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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<title>Castle Game Engine: CastlePrecalculatedAnimation: Class TCastlePrecalculatedAnimation</title>
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<h2>Castle Game Engine</h2><p><a href="introduction.html" class="navigation">Introduction</a></p><p><a href="AllUnits.html" class="navigation">Units</a></p><p><a href="ClassHierarchy.html" class="navigation">Class Hierarchy</a></p><p><a href="AllClasses.html" class="navigation">Classes, Interfaces, Objects and Records</a></p><p><a href="AllTypes.html" class="navigation">Types</a></p><p><a href="AllVariables.html" class="navigation">Variables</a></p><p><a href="AllConstants.html" class="navigation">Constants</a></p><p><a href="AllFunctions.html" class="navigation">Functions and Procedures</a></p><p><a href="AllIdentifiers.html" class="navigation">Identifiers</a></p></td><td class="content">
<a name="TCastlePrecalculatedAnimation"></a><h1 class="cio">Class TCastlePrecalculatedAnimation</h1>
<table class="sections wide_list">
<tr>
<td><a class="section" href="#PasDoc-Description">Description</a></td><td><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></td><td>Fields</td><td><a class="section" href="#PasDoc-Methods">Methods</a></td><td><a class="section" href="#PasDoc-Properties">Properties</a></td></tr></table>
<a name="PasDoc-Description"></a><h2 class="unit">Unit</h2>
<p class="unitlink">
<a href="CastlePrecalculatedAnimation.html">CastlePrecalculatedAnimation</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TCastlePrecalculatedAnimation = class(<a class="normal" href="CastlePrecalculatedAnimationCore.TCastlePrecalculatedAnimationCore.html">TCastlePrecalculatedAnimationCore</a>)</code></p>
<h2 class="description">Description</h2>
<p>
A "precalculated" animation done by interpolating between a number of 3D model states.
<p>After constructing an object of this class, you must actually load it's animation by calling Load or <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a> or <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromEvents">LoadFromEvents</a> etc.
<p>When loading you must provide one or more X3D models with their associated times. Animation will show a transition from the first model to the last. If models are "structurally equal" then the transition between two successive models will be smooth, otherwise a sudden change will be shown. "Structurally equal" means the same nodes hierarchy, the same names of nodes, the same values of all fields (with the exception of fields that are floating-point based and so can be interpolated, for example SFFloat, SFVec3f and equivalent MFXxx fields). For multi-valued fields (MFXxx) that can be interpolated: note that values of items may differ, but still the counts of items must be equal.
<p>This creates a list of <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scenes">Scenes</a> such that </p>
<ul class="compact_spacing">
<li><p>the first scene on the list is exactly the 1st object</p></li>
<li><p>the last scene on the list is exactly the last object</p></li>
<li><p>intermediate scenes are accordingly interpolated between the two surrounding "predefined" by you scenes</p></li>
</ul>
<p>
<p>For example, first object may be a small sphere with blue color, the other object may be a larger sphere with <a class="normal" href="CastleColors.html#White">white</a> color, and the simplest times are 0.0 for the 1st scene and 1.0 for the 2nd scene. The animation will show the blue sphere growing larger and fading into the <a class="normal" href="CastleColors.html#White">white</a> color. Of course, any kind of models is allowed — e.g. it can be a walking man at various stages, so in effect you get an animation of walking man.
<p>A special case when you pass only one scene to this class is allowed (it may be handy in some situations). This will obviously produce just a still result, i.e. resulting <code>TCastlePrecalculatedAnimation</code> will be just a wrapper around single <a class="normal" href="CastleScene.TCastleScene.html">TCastleScene</a> instance.
<p>For more information see our engine documentation on [<a href="http://castle-engine.sourceforge.net/engine_doc.php">http://castle-engine.sourceforge.net/engine_doc.php</a>]. Specifically the section "Non-interactive precalculated animation: <code>TCastlePrecalculatedAnimation</code>", [<a href="http://castle-engine.sourceforge.net/vrml_engine_doc/output/xsl/html/section.animation_precalculated.html">http://castle-engine.sourceforge.net/vrml_engine_doc/output/xsl/html/section.animation_precalculated.html</a>].</p>
<a name="PasDoc-Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TComponent</li>
<li class="ancestor"><a class="normal" href="Castle3D.T3D.html">T3D</a></li>
<li class="ancestor"><a class="normal" href="CastlePrecalculatedAnimationCore.TCastlePrecalculatedAnimationCore.html">TCastlePrecalculatedAnimationCore</a></li>
<li class="thisitem">TCastlePrecalculatedAnimation</li></ul><h2 class="overview">Overview</h2>
<a name="PasDoc-Methods"></a><h3 class="summary">Methods</h3>
<table class="summary wide_list">
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadCore">LoadCore</a></b>( GetRootNodeWithTime: <a href="CastlePrecalculatedAnimation.html#TGetRootNodeWithTime">TGetRootNodeWithTime</a>; RootNodesCount: Cardinal; AOwnsFirstRootNode: boolean; ScenesPerTime: Cardinal; const EqualityEpsilon: Single);</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#HeightCollision">HeightCollision</a></b>(const Position, GravityUp: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>; out AboveHeight: Single; out AboveGround: <a href="CastleTriangles.html#P3DTriangle">P3DTriangle</a>): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#MoveCollision">MoveCollision</a></b>( const OldPos, ProposedNewPos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; out NewPos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const IsRadius: boolean; const Radius: Single; const OldBox, NewBox: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#MoveCollision">MoveCollision</a></b>( const OldPos, NewPos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const IsRadius: boolean; const Radius: Single; const OldBox, NewBox: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#SegmentCollision">SegmentCollision</a></b>(const Pos1, Pos2: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>; const ALineOfSight: boolean): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#SphereCollision">SphereCollision</a></b>(const Pos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const Radius: Single; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<tr class="list">
<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#BoxCollision">BoxCollision</a></b>(const Box: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#RayCollision">RayCollision</a></b>(const RayOrigin, RayDirection: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): <a href="Castle3D.TRayCollision.html">TRayCollision</a>; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>constructor <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Create">Create</a></b>(AOwner: TComponent); override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>constructor <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#CreateCustomCache">CreateCustomCache</a></b>(AOwner: TComponent; ACache: <a href="CastleRenderer.TGLRendererContextCache.html">TGLRendererContextCache</a>);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>destructor <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Destroy">Destroy</a></b>; override;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Load">Load</a></b>( RootNodes: <a href="X3DNodes.TX3DNodeList.html">TX3DNodeList</a>; AOwnsFirstRootNode: boolean; ATimes: <a href="CastleUtils.TSingleList.html">TSingleList</a>; ScenesPerTime: Cardinal; const EqualityEpsilon: Single);</code></td>
</tr>
<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromEvents">LoadFromEvents</a></b>( RootNode: <a href="X3DNodes.TX3DRootNode.html">TX3DRootNode</a>; AOwnsRootNode: boolean; const ATimeBegin, ATimeEnd: Single; ScenesPerTime: Cardinal; const EqualityEpsilon: Single; const ProgressTitle: string);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadStatic">LoadStatic</a></b>(RootNode: <a href="X3DNodes.TX3DNode.html">TX3DNode</a>; AOwnsRootNode: boolean);</code></td>
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<tr class="list">
<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a></b>(const URL: string; const AllowStdIn: boolean; const LoadTime: boolean; const Smoothness: <a href="CastleUtils.html#Float">Float</a>);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a></b>(const URL: string; const AllowStdIn: boolean; const LoadTime: boolean);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Close">Close</a></b>;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ScenesCount">ScenesCount</a></b>: Integer;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#FirstScene">FirstScene</a></b>: <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LastScene">LastScene</a></b>: <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#PrepareResources">PrepareResources</a></b>(Options: <a href="CastleScene.html#TPrepareResourcesOptions">TPrepareResourcesOptions</a>; ProgressStep: boolean; BaseLights: <a href="Castle3D.html#TAbstractLightInstancesList">TAbstractLightInstancesList</a>); override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#PrepareResourcesSteps">PrepareResourcesSteps</a></b>: Cardinal; override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#FreeResources">FreeResources</a></b>(Resources: <a href="CastleSceneCore.html#TSceneFreeResources">TSceneFreeResources</a>);</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#GLContextClose">GLContextClose</a></b>; override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a></b>: Single;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDurationWithBack">TimeDurationWithBack</a></b>: Single;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scene">Scene</a></b>(const Time: Single): <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scene">Scene</a></b>(const Time: Single; const Loop: boolean): <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#CurrentScene">CurrentScene</a></b>: <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Attributes">Attributes</a></b>: <a href="CastleScene.TSceneRenderingAttributes.html">TSceneRenderingAttributes</a>;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#BoundingBox">BoundingBox</a></b>: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#BeforeNodesFree">BeforeNodesFree</a></b>;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ChangedAll">ChangedAll</a></b>;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Info">Info</a></b>( ATriangleVerticesCounts, ABoundingBox, AManifoldAndBorderEdges: boolean): string;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Press">Press</a></b>(const Event: <a href="CastleKeysMouse.TInputPressRelease.html">TInputPressRelease</a>): boolean; override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Release">Release</a></b>(const Event: <a href="CastleKeysMouse.TInputPressRelease.html">TInputPressRelease</a>): boolean; override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Update">Update</a></b>(const SecondsPassed: Single; var RemoveMe: <a href="Castle3D.html#TRemoveType">TRemoveType</a>); override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ResetTimeAtLoad">ResetTimeAtLoad</a></b>(const ForceTimeOrigin: boolean = false);</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ResetTime">ResetTime</a></b>(const NewValue: <a href="CastleTimeUtils.html#TFloatTime">TFloatTime</a>);</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Render">Render</a></b>(const Frustum: <a href="CastleFrustum.TFrustum.html">TFrustum</a>; const Params: <a href="Castle3D.TRenderParams.html">TRenderParams</a>); override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#RenderShadowVolume">RenderShadowVolume</a></b>( ShadowVolumeRenderer: <a href="Castle3D.TBaseShadowVolumeRenderer.html">TBaseShadowVolumeRenderer</a>; const ParentTransformIsIdentity: boolean; const ParentTransform: <a href="CastleVectors.html#TMatrix4Single">TMatrix4Single</a>); override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#UpdateGeneratedTextures">UpdateGeneratedTextures</a></b>( const RenderFunc: <a href="Castle3D.html#TRenderFromViewFunction">TRenderFromViewFunction</a>; const ProjectionNear, ProjectionFar: Single; const OriginalViewport: <a href="CastleRectangles.TRectangle.html">TRectangle</a>); override;</code></td>
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<td class="itemcode"><code>procedure <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#VisibleChangeNotification">VisibleChangeNotification</a></b>(const Changes: <a href="Castle3D.html#TVisibleChanges">TVisibleChanges</a>); override;</code></td>
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<td class="itemcode"><code>function <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Dragging">Dragging</a></b>: boolean; override;</code></td>
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<a name="PasDoc-Properties"></a><h3 class="summary">Properties</h3>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Loaded">Loaded</a></b>: boolean read FLoaded;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#OwnsFirstRootNode">OwnsFirstRootNode</a></b>: boolean
read FOwnsFirstRootNode write SetOwnsFirstRootNode;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scenes">Scenes</a></b>[I:Integer]: <a href="CastleScene.TCastleScene.html">TCastleScene</a> read GetScenes;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a></b>: Single read FTimeBegin;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a></b>: Single read FTimeEnd;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeAtLoad">TimeAtLoad</a></b>: <a href="CastleTimeUtils.html#TFloatTime">TFloatTime</a> read FTimeAtLoad;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a></b>: <a href="CastleTimeUtils.html#TFloatTime">TFloatTime</a> read FTime;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Cache">Cache</a></b>: <a href="CastleRenderer.TGLRendererContextCache.html">TGLRendererContextCache</a> read FCache;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TryFirstSceneDynamic">TryFirstSceneDynamic</a></b>: boolean
read FTryFirstSceneDynamic write FTryFirstSceneDynamic default false;</code></td>
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<td class="visibility"><a href="legend.html"><img src="published.gif" alt="Published" title="Published"></a></td>
<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimePlaying">TimePlaying</a></b>: boolean read FTimePlaying write FTimePlaying default true;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimePlayingSpeed">TimePlayingSpeed</a></b>: Single read FTimePlayingSpeed write FTimePlayingSpeed default 1.0;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a></b>: boolean read FTimeLoop write FTimeLoop default true;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a></b>: boolean
read FTimeBackwards write FTimeBackwards default false;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#CollisionUseLastScene">CollisionUseLastScene</a></b>: boolean
read FCollisionUseLastScene
write FCollisionUseLastScene default false;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ShadowMaps">ShadowMaps</a></b>: boolean read FShadowMaps write SetShadowMaps default true;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ShadowMapsDefaultSize">ShadowMapsDefaultSize</a></b>: Cardinal
read FShadowMapsDefaultSize write SetShadowMapsDefaultSize
default <a href="CastleSceneCore.TCastleSceneCore.html#DefaultShadowMapsDefaultSize">TCastleSceneCore.DefaultShadowMapsDefaultSize</a>;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#InitialViewpointIndex">InitialViewpointIndex</a></b>: Cardinal
read FInitialViewpointIndex write FInitialViewpointIndex;</code></td>
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<td class="itemcode"><code>property <b><a href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#InitialViewpointName">InitialViewpointName</a></b>: string
read FInitialViewpointName write FInitialViewpointName;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><a name="LoadCore"></a><code>procedure <b>LoadCore</b>( GetRootNodeWithTime: <a href="CastlePrecalculatedAnimation.html#TGetRootNodeWithTime">TGetRootNodeWithTime</a>; RootNodesCount: Cardinal; AOwnsFirstRootNode: boolean; ScenesPerTime: Cardinal; const EqualityEpsilon: Single);</code></td>
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<p>
Internal version of <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Load">Load</a> routines, feasible to load from both ready RootNodes array and to automatically generate RootNodes on the fly.
<p>GetRootNodeWithTime will be called with indexes from 0 to RootNodesCount - 1. It's guaranteed that it will be called in this order (from 0 upwards to RootNodesCount - 1) and will be called exactly once for each index. So it's safe to e.g. create RootNode with some costly operation there.
<p>Note that RootNode passed to GetRootNodeWithTime becomes owned by this class. Well, you can get control over only the first one, by AOwnsFirstRootNode, but you cannot free it anyway while this is loaded.
<p>See <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Load">Load</a> for more information, including the meaning of EqualityEpsilon.</p>
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<td class="itemcode"><a name="HeightCollision"></a><code>function <b>HeightCollision</b>(const Position, GravityUp: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>; out AboveHeight: Single; out AboveGround: <a href="CastleTriangles.html#P3DTriangle">P3DTriangle</a>): boolean; override;</code></td>
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<td class="itemcode"><a name="MoveCollision"></a><code>function <b>MoveCollision</b>( const OldPos, ProposedNewPos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; out NewPos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const IsRadius: boolean; const Radius: Single; const OldBox, NewBox: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="itemcode"><a name="MoveCollision"></a><code>function <b>MoveCollision</b>( const OldPos, NewPos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const IsRadius: boolean; const Radius: Single; const OldBox, NewBox: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="itemcode"><a name="SegmentCollision"></a><code>function <b>SegmentCollision</b>(const Pos1, Pos2: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>; const ALineOfSight: boolean): boolean; override;</code></td>
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<td class="itemcode"><a name="SphereCollision"></a><code>function <b>SphereCollision</b>(const Pos: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const Radius: Single; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="itemcode"><a name="BoxCollision"></a><code>function <b>BoxCollision</b>(const Box: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): boolean; override;</code></td>
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<td class="itemcode"><a name="RayCollision"></a><code>function <b>RayCollision</b>(const RayOrigin, RayDirection: <a href="CastleVectors.html#TVector3Single">TVector3Single</a>; const TrianglesToIgnoreFunc: <a href="CastleTriangles.html#T3DTriangleIgnoreFunc">T3DTriangleIgnoreFunc</a>): <a href="Castle3D.TRayCollision.html">TRayCollision</a>; override;</code></td>
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<td class="itemcode"><a name="Create"></a><code>constructor <b>Create</b>(AOwner: TComponent); override;</code></td>
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<td class="itemcode"><a name="CreateCustomCache"></a><code>constructor <b>CreateCustomCache</b>(AOwner: TComponent; ACache: <a href="CastleRenderer.TGLRendererContextCache.html">TGLRendererContextCache</a>);</code></td>
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<p>
Constructor that allows you to pass your own Cache instance.</p>
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<td class="itemcode"><a name="Destroy"></a><code>destructor <b>Destroy</b>; override;</code></td>
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<td class="itemcode"><a name="Load"></a><code>procedure <b>Load</b>( RootNodes: <a href="X3DNodes.TX3DNodeList.html">TX3DNodeList</a>; AOwnsFirstRootNode: boolean; ATimes: <a href="CastleUtils.TSingleList.html">TSingleList</a>; ScenesPerTime: Cardinal; const EqualityEpsilon: Single);</code></td>
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<p>
Load the animation scenes. Must be called (this or some other loading routine like <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a>) before you do almost anything with this object. <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Loaded">Loaded</a> changes to <code>True</code> after calling this.
<p>
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<p></p>
<h6 class="description_section">Parameters</h6>
<dl class="parameters">
<dt>RootNodes</dt>
<dd>Models describing the "predefined" frames of animation. They must descend from <a class="normal" href="X3DNodes.TX3DRootNode.html">TX3DRootNode</a>.
<p>For all nodes except the first: They are <i>always</i> owned by this class — that's needed, because actually we may do some operations on these models when building animation (including even freeing some RootNodes, if we will find that they are equivalent to some other RootNodes). They all must point to different objects.
<p>You must supply at least one item here (you cannot make an animation from 0 items).</dd>
<dt>Times</dt>
<dd>Array specifying the point of time for each "predefined" frame. Length of this array must equal to length of RootNodes array.</dd>
<dt>ScenesPerTime</dt>
<dd>This says how many scenes will be used for period of time equal to 1.0. This will determine Scenes.Count. RootNodes[0] always takes Scenes[0] and RootNodes[High(RootNodes)] always takes Scenes[Scenes.High].
<p>Note that if we will find that some nodes along the way are exactly equal, we may drop scenes count between — because if they are both equal, we can simply render the same scene for some period of time. This is an optimization, and you shouldn't notice it at all, since rendeting will be the same (but less memory-consuming).
<p>Special value ScenesPerTime = 0 means that you want to have only the RootNodes you explicitly passed in the scene, not more. No more intermediate scenes will ever be created. This creates a trivial animation that suddenly jumps from one RootNode to the next at specified times. It may be useful if you already have generated a lot of RootNodes, densely distributed over time, and you don't need <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a> to insert any more scenes.</dd>
<dt>EqualityEpsilon</dt>
<dd>This will be used for comparing fields, to decide if two fields (and, consequently, nodes) are equal. It will be simply passed to <a class="normal" href="X3DFields.TX3DField.html#Equals">TX3DField.Equals</a>.
<p>You can pass here 0 to use exact comparison, but it's advised to use here something > 0. Otherwise we could waste display list memory (and loading time) for many frames of the same node that are in fact equal.</dd>
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<td class="itemcode"><a name="LoadFromEvents"></a><code>procedure <b>LoadFromEvents</b>( RootNode: <a href="X3DNodes.TX3DRootNode.html">TX3DRootNode</a>; AOwnsRootNode: boolean; const ATimeBegin, ATimeEnd: Single; ScenesPerTime: Cardinal; const EqualityEpsilon: Single; const ProgressTitle: string);</code></td>
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<p>
Load precalculated animation by playing a single VRML/X3D file with events (interpolators, TimeSensor and such working). Conceptually, this "records" interactive animation stored in VRML/X3D file into <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a> precalculated animation.
<p>ATimeBegin, ATimeEnd tell what time slice should be recorded. They will also set <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> properties.
<p>
<p></p>
<h6 class="description_section">Parameters</h6>
<dl class="parameters">
<dt>ScenesPerTime</dt>
<dd>tells with what density should the animation be recorded. See <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Load">Load</a> for ScenesPerTime, EqualityEpsilon precise documentation. Note that special value ScenesPerTime = 0 is interpreted here as "record only one, initial frame".</dd>
<dt>ProgressTitle</dt>
<dd>When <> '' we will use Progress.Init, Step, Fini to display nice progress of operation.</dd>
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<td class="itemcode"><a name="LoadStatic"></a><code>procedure <b>LoadStatic</b>(RootNode: <a href="X3DNodes.TX3DNode.html">TX3DNode</a>; AOwnsRootNode: boolean);</code></td>
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<p>
Load a dumb animation that consists of only one frame (so actually there's no animation, everything is static).
<p>This just calls <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Load">Load</a> with parameters such that </p>
<ol class="paragraph_spacing">
<li value="1"><p>RootNodes list contains one specified node</p></li>
<li value="2"><p>Times contain only one item 0.0</p></li>
<li value="3"><p>ScenesPerTime and EqualityEpsilon have some unimportant values — they are not meaningfull when you have only one scene</p></li>
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<p>This is usefull when you know that you have a static scene, but still you want to treat it as <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a>.</p>
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<td class="itemcode"><a name="LoadFromFile"></a><code>procedure <b>LoadFromFile</b>(const URL: string; const AllowStdIn: boolean; const LoadTime: boolean; const Smoothness: <a href="CastleUtils.html#Float">Float</a>);</code></td>
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<p>
Load animation parameters (models to use, times to use and such) from given file.
<p>Various file formats are possible, everything that can be handled by <a class="normal" href="X3DLoad.html#Load3DSequence">Load3DSequence</a>, in particular simple 3D model files, MD3, kanim (described on [<a href="http://castle-engine.sourceforge.net/kanim_format.php">http://castle-engine.sourceforge.net/kanim_format.php</a>]).
<p>If you need more control over loading, for example you want to change some parameters at loading (for example, ScenesPerTime and EqualityEpsilon of kanim files), you should use more flexible (and less comfortable to use) <a class="normal" href="CastlePrecalculatedAnimationCore.TCastlePrecalculatedAnimationCore.html#LoadFromFileToVars">LoadFromFileToVars</a> class procedure (specialized for kanim files) or <a class="normal" href="X3DLoad.html#Load3DSequence">Load3DSequence</a> (if you want to handle any files).
<p><a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Loaded">Loaded</a> property changes to <code>True</code> after calling this.
<p>
<p>
<p>
<p></p>
<h6 class="description_section">Parameters</h6>
<dl class="parameters">
<dt>AllowStdIn</dt>
<dd>If <code>True</code>, then URL = '-' is understood as "standard input".</dd>
<dt>LoadTime</dt>
<dd>If <code>True</code> then loading changes current <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a> properties. Sometimes this is sensible (you want to allow control over them from the file), sometimes not (e.g. you set suitable values for them by code).
<p>Note that, independent of this, you can always change <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a> properties later, since these properties are writeable at any time.</dd>
<dt>Smoothness</dt>
<dd>Scales the number of scenes created per second. Values > 1 make better quality but also use more memory. If this parameter isn't given, we use global <a class="normal" href="CastlePrecalculatedAnimation.html#AnimationSmoothness">AnimationSmoothness</a> (which is by default 1, but may be globally changed).</dd>
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<td class="itemcode"><a name="LoadFromFile"></a><code>procedure <b>LoadFromFile</b>(const URL: string; const AllowStdIn: boolean; const LoadTime: boolean);</code></td>
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<td class="itemcode"><a name="Close"></a><code>procedure <b>Close</b>;</code></td>
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<p>
This releases all resources allocared by Load (or <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a>). <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Loaded">Loaded</a> property changes to <code>False</code> after calling this.
<p>It's safe to call this even if <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Loaded">Loaded</a> is already <code>False</code> — then this will do nothing.</p>
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<td class="itemcode"><a name="ScenesCount"></a><code>function <b>ScenesCount</b>: Integer;</code></td>
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<td class="itemcode"><a name="FirstScene"></a><code>function <b>FirstScene</b>: <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<p>
Just a shortcut for Scenes[0].</p>
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<td class="itemcode"><a name="LastScene"></a><code>function <b>LastScene</b>: <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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Just a shortcut for Scenes[<a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ScenesCount">ScenesCount</a> - 1].</p>
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<td class="itemcode"><a name="PrepareResources"></a><code>procedure <b>PrepareResources</b>(Options: <a href="CastleScene.html#TPrepareResourcesOptions">TPrepareResourcesOptions</a>; ProgressStep: boolean; BaseLights: <a href="Castle3D.html#TAbstractLightInstancesList">TAbstractLightInstancesList</a>); override;</code></td>
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<p>
Prepare all scenes for rendering. Basically, this calls <code>PrepareResources</code>(...) for all Scenes.
<p>There's also a special memory (and prepare time) optimization used for <a class="normal" href="CastleScene.html#prManifoldAndBorderEdges">prManifoldAndBorderEdges</a>: we use the fact that animation scenes are "structurally equal", and so prepare and share one manifold edges information for all scenes.
<p>ProgressStep = <code>True</code> is especially useful with this: we'll call Progress.Step then after preparing each scene. For portability, always check <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#PrepareResourcesSteps">PrepareResourcesSteps</a>, but for now this is just always equal <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ScenesCount">ScenesCount</a>.</p>
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<td class="itemcode"><a name="PrepareResourcesSteps"></a><code>function <b>PrepareResourcesSteps</b>: Cardinal; override;</code></td>
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<td class="itemcode"><a name="FreeResources"></a><code>procedure <b>FreeResources</b>(Resources: <a href="CastleSceneCore.html#TSceneFreeResources">TSceneFreeResources</a>);</code></td>
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<p>
Free resources for all scenes, it's useful if you know that you will not need some allocated resources anymore and you want to conserve memory use.
<p>See TCastleSceneCore.FreeResource documentation for a description of what are possible resources to free.</p>
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<td class="itemcode"><a name="GLContextClose"></a><code>procedure <b>GLContextClose</b>; override;</code></td>
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Close anything associated with current OpenGL context in this class. This calls <code>GLContextClose</code> on every Scenes[], and additionally may close some other internal things here.</p>
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<td class="itemcode"><a name="TimeDuration"></a><code>function <b>TimeDuration</b>: Single;</code></td>
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Just a shortcut for <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> - <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a>.</p>
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<td class="itemcode"><a name="TimeDurationWithBack"></a><code>function <b>TimeDurationWithBack</b>: Single;</code></td>
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This is <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> * 2 if <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a>, otherwise it's just <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a>. In other words, this is the time of the one "full" (forward + backward) animation.</p>
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<td class="itemcode"><a name="Scene"></a><code>function <b>Scene</b>(const Time: Single): <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<p>
Appropriate scene from <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scenes">Scenes</a> based on given Time. If Time is between given <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a>, then this will be appropriate scene in the middle.
<p>For Time outside the range <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> .. <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> behavior depends on <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a> properties:
<p></p>
<ul class="paragraph_spacing">
<li><p>When not <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and not <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a> then:
<p>If Time is < <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a>, always the first scene will be returned. If Time is > <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a>, always the last scene will be returned.
<p>So there will no real animation outside <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> .. <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> timeline.</p></li>
<li><p>When not <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a> then:
<p>If Time is < <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a>, always the first scene will be returned. If Time is between <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a>, then the animation will be played backwards. When Time is > <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a>, again always the first scene will be returned.
<p>So between <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> animation will be played backwards, and there will no real animation outside <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> .. <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> timeline.</p></li>
<li><p>When <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and not <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBackwards">TimeBackwards</a> then:
<p>Outside <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> .. <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a>, animation will cycle. This means that e.g. between <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> animation will be played just like between <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a>.</p></li>
<li><p>When <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> and TimeBackwardsm then:
<p>Outside <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> .. <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a>, animation will cycle. Cycle between <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> will go backwards. Cycle between <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> and <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeEnd">TimeEnd</a> + <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeDuration">TimeDuration</a> * 2 will again go forward. And so on.</p></li>
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<p>
<p>Overloaded version with explicit Loop parameter ignores the <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> property. This way you can force looping (or force not looping), regardless of the <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeLoop">TimeLoop</a> property, so also regardless of loop setting in kanim file.
<p></p>
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<td class="itemcode"><a name="Scene"></a><code>function <b>Scene</b>(const Time: Single; const Loop: boolean): <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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<td class="itemcode"><a name="CurrentScene"></a><code>function <b>CurrentScene</b>: <a href="CastleScene.TCastleScene.html">TCastleScene</a>;</code></td>
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Appropriate scene from <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scenes">Scenes</a> based on current <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a>. This is just a shortcut for Scene(<a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a>), useful if you track animation time in our <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a> property.</p>
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<td class="itemcode"><a name="Attributes"></a><code>function <b>Attributes</b>: <a href="CastleScene.TSceneRenderingAttributes.html">TSceneRenderingAttributes</a>;</code></td>
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Attributes controlling rendering. See <a class="normal" href="CastleScene.TSceneRenderingAttributes.html">TSceneRenderingAttributes</a> and <a class="normal" href="CastleRenderer.TRenderingAttributes.html">TRenderingAttributes</a> for documentation of properties.
<p>You can change properties of this object at any time, but beware that some changes may force time-consuming regeneration of some things (like OpenGL display lists) in the nearest Render of the scenes. So explicitly calling <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#PrepareResources">PrepareResources</a> may be useful after changing these Attributes.
<p>Note that Attributes may be accessed and even changed when the scene is not loaded (e.g. before calling Load / <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a>). Also, Attributes are preserved between various animations loaded.</p>
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<td class="itemcode"><a name="BoundingBox"></a><code>function <b>BoundingBox</b>: <a href="CastleBoxes.TBox3D.html">TBox3D</a>; override;</code></td>
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The sum of bounding boxes of all animation frames.
<p>Result of this function is cached, which means that it usually returns very fast. But you have to call <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ChangedAll">ChangedAll</a> when you changed something inside Scenes[] using some direct Scenes[].RootNode operations, to force recalculation of this box.</p>
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<td class="itemcode"><a name="BeforeNodesFree"></a><code>procedure <b>BeforeNodesFree</b>;</code></td>
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<p>
Call this before directly freeing some VRML nodes in animation scenes.</p>
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<td class="itemcode"><a name="ChangedAll"></a><code>procedure <b>ChangedAll</b>;</code></td>
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<p>
Call this when you changed something inside Scenes[] using some direct Scenes[].RootNode operations. This calls TCastleScene.ChangedAll on all Scenes[] and invalidates some cached things inside this class.</p>
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<td class="itemcode"><a name="Info"></a><code>function <b>Info</b>( ATriangleVerticesCounts, ABoundingBox, AManifoldAndBorderEdges: boolean): string;</code></td>
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<p>
Returns some textual info about this animation. Similar to TCastleScene.Info.</p>
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<td class="itemcode"><a name="Press"></a><code>function <b>Press</b>(const Event: <a href="CastleKeysMouse.TInputPressRelease.html">TInputPressRelease</a>): boolean; override;</code></td>
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Handling key and mouse events.
<p>We pass key and mouse events only if there's exactly one scene (<a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ScenesCount">ScenesCount</a> = 1), as there's no sensible way of activating VRML/X3D events when <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a> contains more than one scene. (Precalculated animation of this class, and interactive animation by <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#ProcessEvents">TCastleSceneCore.ProcessEvents</a> do not mix sensibly.)
<p>So when <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ScenesCount">ScenesCount</a> = 1, we simply pass key and mouse events to the only Scene[0]. Be sure to turn on <code>Scene[0].ProcessEvents := true</code> if you want to make actual use of it.
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<td class="itemcode"><a name="Release"></a><code>function <b>Release</b>(const Event: <a href="CastleKeysMouse.TInputPressRelease.html">TInputPressRelease</a>): boolean; override;</code></td>
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<td class="itemcode"><a name="Update"></a><code>procedure <b>Update</b>(const SecondsPassed: Single; var RemoveMe: <a href="Castle3D.html#TRemoveType">TRemoveType</a>); override;</code></td>
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<td class="itemcode"><a name="ResetTimeAtLoad"></a><code>procedure <b>ResetTimeAtLoad</b>(const ForceTimeOrigin: boolean = false);</code></td>
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<p>
Set <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a> to initial value after loading a world.</p>
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<td class="itemcode"><a name="ResetTime"></a><code>procedure <b>ResetTime</b>(const NewValue: <a href="CastleTimeUtils.html#TFloatTime">TFloatTime</a>);</code></td>
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Set <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a> to arbitrary value.</p>
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<td class="itemcode"><a name="Render"></a><code>procedure <b>Render</b>(const Frustum: <a href="CastleFrustum.TFrustum.html">TFrustum</a>; const Params: <a href="Castle3D.TRenderParams.html">TRenderParams</a>); override;</code></td>
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<td class="itemcode"><a name="RenderShadowVolume"></a><code>procedure <b>RenderShadowVolume</b>( ShadowVolumeRenderer: <a href="Castle3D.TBaseShadowVolumeRenderer.html">TBaseShadowVolumeRenderer</a>; const ParentTransformIsIdentity: boolean; const ParentTransform: <a href="CastleVectors.html#TMatrix4Single">TMatrix4Single</a>); override;</code></td>
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<td class="itemcode"><a name="UpdateGeneratedTextures"></a><code>procedure <b>UpdateGeneratedTextures</b>( const RenderFunc: <a href="Castle3D.html#TRenderFromViewFunction">TRenderFromViewFunction</a>; const ProjectionNear, ProjectionFar: Single; const OriginalViewport: <a href="CastleRectangles.TRectangle.html">TRectangle</a>); override;</code></td>
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<td class="itemcode"><a name="VisibleChangeNotification"></a><code>procedure <b>VisibleChangeNotification</b>(const Changes: <a href="Castle3D.html#TVisibleChanges">TVisibleChanges</a>); override;</code></td>
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<td class="itemcode"><a name="Dragging"></a><code>function <b>Dragging</b>: boolean; override;</code></td>
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<h3 class="detail">Properties</h3>
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<td class="itemcode"><a name="Loaded"></a><code>property <b>Loaded</b>: boolean read FLoaded;</code></td>
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<td class="itemcode"><a name="OwnsFirstRootNode"></a><code>property <b>OwnsFirstRootNode</b>: boolean
read FOwnsFirstRootNode write SetOwnsFirstRootNode;</code></td>
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Is the RootNode in first scene owned by this <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a> instance? If yes, it will be freed at closing the animation. Otherwise, you are responsible for freeing it yourself (but you cannot do this while animation is loaded, anyway).</p>
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<td class="itemcode"><a name="Scenes"></a><code>property <b>Scenes</b>[I:Integer]: <a href="CastleScene.TCastleScene.html">TCastleScene</a> read GetScenes;</code></td>
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You can read anything from Scenes below. But you cannot set some things: don't set their scenes Attributes properties. Use only our <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Attributes">Attributes</a>.
<p>The scenes here have <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#Static">TCastleSceneCore.Static</a> set to <code>True</code>, which means we assume you will not modify their VRML nodes graph (by <a class="normal" href="X3DFields.TX3DField.html#Send">TX3DField.Send</a> and such). Note that this doesn't prevent you from enabling <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#ProcessEvents">TCastleSceneCore.ProcessEvents</a> on the first scene (<a class="normal" href="CastleSceneCore.TCastleSceneCore.html#ProcessEvents">TCastleSceneCore.ProcessEvents</a> will be property handled regardless of <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#Static">TCastleSceneCore.Static</a> value).</p>
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<td class="itemcode"><a name="TimeBegin"></a><code>property <b>TimeBegin</b>: Single read FTimeBegin;</code></td>
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First and last time that you passed to Load (or that were read from file by <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#LoadFromFile">LoadFromFile</a>). In other words, Times[0] and Times[High(Times)]. </p>
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<td class="itemcode"><a name="TimeEnd"></a><code>property <b>TimeEnd</b>: Single read FTimeEnd;</code></td>
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<td class="itemcode"><a name="TimeAtLoad"></a><code>property <b>TimeAtLoad</b>: <a href="CastleTimeUtils.html#TFloatTime">TFloatTime</a> read FTimeAtLoad;</code></td>
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<p>
Initial world time, set by the <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ResetTimeAtLoad">ResetTimeAtLoad</a> call. This can be useful for showing user time like <code>"Animation Time: LoadTime + %f"</code> on status bar.
<p>0 means that starting <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a> was <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> of the animation (0.0 in case of normal VRML files, usually 0.0 in case of Kanim). Note that even when <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimeBegin">TimeBegin</a> <> 0 (for Kanim), we still set <code>TimeAtLoad</code> to 0, this is nicer to show to user.
<p>Other value means that we used current real time as time origin, following VRML/X3D specification. See also [<a href="http://castle-engine.sourceforge.net/x3d_time_origin_considered_uncomfortable.php">http://castle-engine.sourceforge.net/x3d_time_origin_considered_uncomfortable.php</a>]</p>
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<td class="itemcode"><a name="Time"></a><code>property <b>Time</b>: <a href="CastleTimeUtils.html#TFloatTime">TFloatTime</a> read FTime;</code></td>
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<p>
Current time of the animation. Although you do not have to use it: you can always acccess any point in time of the animation by <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scene">Scene</a>. But sometimes tracking the current time here is most natural and comfortable.
<p>When we have exactly one scene in Scenes, our methods (<a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ResetTime">ResetTime</a>, <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ResetTimeAtLoad">ResetTimeAtLoad</a> and Update) will synchronize Scenes[0].Time always to the same value as our own <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a>. This makes time-dependent nodes (like TimeSensor, MovieTexture etc.) inside this scene work Ok.</p>
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<td class="itemcode"><a name="Cache"></a><code>property <b>Cache</b>: <a href="CastleRenderer.TGLRendererContextCache.html">TGLRendererContextCache</a> read FCache;</code></td>
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<td class="itemcode"><a name="TryFirstSceneDynamic"></a><code>property <b>TryFirstSceneDynamic</b>: boolean
read FTryFirstSceneDynamic write FTryFirstSceneDynamic default false;</code></td>
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<p>
Turn this on to treat specially the case when a single scene (Scenes.Count = 1) is loaded: we will set this scene's Static = <code>False</code>. This allows you to enable VRML/X3D events and dynamically change the scene in this very special case. The normal behavior, when we load many scenes (or when this property is <code>False</code>), is to set all children scenes Static = <code>True</code>.
<p>Practically, this is useful only for tools like view3dscene, that want to have full VRML/X3D events when possible, and at the same time they want to load everything as <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a>, for ease of coding.
<p>To put it simply, just don't use this in normal programs – it's a hack.
<p>Although Static can be later changed, but changing it (after loading) to <code>False</code> is expensive (needs <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#ChangedAll">ChangedAll</a>, that also recalculates shape tree, forces shape octree and other recalculations). That's why this property is needed, it sets Static correctly before loading the contents.</p>
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<td class="itemcode"><a name="TimePlaying"></a><code>property <b>TimePlaying</b>: boolean read FTimePlaying write FTimePlaying default true;</code></td>
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Is the animation time playing, and how fast.
<p>For exact meaning of our <code>TimePlaying</code>, <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#TimePlayingSpeed">TimePlayingSpeed</a>, see <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#TimePlaying">TCastleSceneCore.TimePlaying</a>, <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#TimePlayingSpeed">TCastleSceneCore.TimePlayingSpeed</a>. Like in <a class="normal" href="CastleSceneCore.TCastleSceneCore.html">TCastleSceneCore</a>, these are realized by our <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Update">Update</a> method, so Time is automatically increased in <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Update">Update</a> which is called automatically if you added this to some <a class="normal" href="CastleWindow.TCastleWindowCustom.html#Controls">TCastleWindowCustom.Controls</a> or <a class="normal" href="CastleControl.TCastleControlCustom.html#Controls">TCastleControlCustom.Controls</a>.
<p>Note that Scenes[0].TimePlaying, Scenes[0].TimePlayingSpeed do not matter when you're operating on the <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html">TCastlePrecalculatedAnimation</a> level. They will not affect our <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a>, or even Scenes[0].Time, and they will not be synchronized with our values.
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<td class="itemcode"><a name="TimePlayingSpeed"></a><code>property <b>TimePlayingSpeed</b>: Single read FTimePlayingSpeed write FTimePlayingSpeed default 1.0;</code></td>
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<td class="itemcode"><a name="TimeLoop"></a><code>property <b>TimeLoop</b>: boolean read FTimeLoop write FTimeLoop default true;</code></td>
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See <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scene">Scene</a> for precise description what this property does.</p>
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<td class="itemcode"><a name="TimeBackwards"></a><code>property <b>TimeBackwards</b>: boolean
read FTimeBackwards write FTimeBackwards default false;</code></td>
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<p>
See <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Scene">Scene</a> for precise description what this property does.</p>
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<td class="itemcode"><a name="CollisionUseLastScene"></a><code>property <b>CollisionUseLastScene</b>: boolean
read FCollisionUseLastScene
write FCollisionUseLastScene default false;</code></td>
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Should collision checking check also last animation frame.
<p>Regardless of this value, we always check collision with the first animation frame (<a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#FirstScene">FirstScene</a>), of course only when FirstScene.OctreeCollisions is initialized, and only if <a class="normal" href="Castle3D.T3D.html#GetCollides">GetCollides</a> (which includes <a class="normal" href="Castle3D.T3D.html#GetExists">GetExists</a>).
<p>When <code>CollisionUseLastScene</code> is <code>True</code>, we will also check collision with the last animation frame's octree, i.e. LastScene.OctreeCollisions. (Of course, only if it's initialized, e.g. by adding ssDynamicCollisions to the LastScene.Spatial property.) So when <code>CollisionUseLastScene</code>, collision checking sees the animation as a sum of first and last frames geometry. <code>CollisionUseLastScene</code> is useful if the object is moving, but the move is very slight, so that the sum of first and last scenes geometry is good enough approximation of the whole geometry at any point of the animation.
<p>Although it seems like a totally dumb way to check for collisions, it's suitable for many purposes (see e.g. uses on "castle hall" level), it's simple and not memory-consuming, and you don't have to take any action when animation frame changes (because <a class="normal" href="CastlePrecalculatedAnimation.TCastlePrecalculatedAnimation.html#Time">Time</a> changes don't change the colliding geometry, so the animation is static from the point of view of collision checking routines).
<p>TODO: In the future other collision methods may be available. First of all, checking with sum of all bounding boxes, or with particular scene time box, should be available.</p>
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<td class="itemcode"><a name="ShadowMaps"></a><code>property <b>ShadowMaps</b>: boolean read FShadowMaps write SetShadowMaps default true;</code></td>
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At loading, process the animation to support shadow maps. See <a class="normal" href="CastleSceneCore.TCastleSceneCore.html#ShadowMaps">TCastleSceneCore.ShadowMaps</a> and related properties for documentation. </p>
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<td class="itemcode"><a name="ShadowMapsDefaultSize"></a><code>property <b>ShadowMapsDefaultSize</b>: Cardinal
read FShadowMapsDefaultSize write SetShadowMapsDefaultSize
default <a href="CastleSceneCore.TCastleSceneCore.html#DefaultShadowMapsDefaultSize">TCastleSceneCore.DefaultShadowMapsDefaultSize</a>;</code></td>
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<td class="itemcode"><a name="InitialViewpointIndex"></a><code>property <b>InitialViewpointIndex</b>: Cardinal
read FInitialViewpointIndex write FInitialViewpointIndex;</code></td>
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<td class="itemcode"><a name="InitialViewpointName"></a><code>property <b>InitialViewpointName</b>: string
read FInitialViewpointName write FInitialViewpointName;</code></td>
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