File: CastleTerrain.TTerrainImage.html

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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: CastleTerrain: Class TTerrainImage</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="TTerrainImage"></a><h1 class="cio">Class TTerrainImage</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="CastleTerrain.html">CastleTerrain</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TTerrainImage = class(<a class="normal" href="CastleTerrain.TTerrain.html">TTerrain</a>)</code></p>
<h2 class="description">Description</h2>
<p>
Terrain (height for each X, Y) data taken from intensities in an image.

<p>The image covers (<a class="normal" href="CastleTerrain.TTerrainImage.html#ImageX1">ImageX1</a>, <a class="normal" href="CastleTerrain.TTerrainImage.html#ImageY1">ImageY1</a>) ... (<a class="normal" href="CastleTerrain.TTerrainImage.html#ImageX2">ImageX2</a>, <a class="normal" href="CastleTerrain.TTerrainImage.html#ImageY2">ImageY2</a>) area in XY plane. If you ask for Height outside of this range, it is repeated infinitely (if <a class="normal" href="CastleTerrain.TTerrainImage.html#ImageRepeat">ImageRepeat</a>) or clamped (if not <a class="normal" href="CastleTerrain.TTerrainImage.html#ImageRepeat">ImageRepeat</a>). Image color (converted to grayscale) acts as height (scaled by <a class="normal" href="CastleTerrain.TTerrainImage.html#ImageHeightScale">ImageHeightScale</a>).

<p>When image is not loaded, this always returns height = 0.</p>
<a name="PasDoc-Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TObject</li>
<li class="ancestor"><a class="normal" href="CastleTerrain.TTerrain.html">TTerrain</a></li>
<li class="thisitem">TTerrainImage</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="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>constructor <b><a  href="CastleTerrain.TTerrainImage.html#Create">Create</a></b>;</code></td>
</tr>
<tr class="list2">
<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="CastleTerrain.TTerrainImage.html#Destroy">Destroy</a></b>; override;</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>function <b><a  href="CastleTerrain.TTerrainImage.html#Height">Height</a></b>(const X, Y: Single): Single; override;</code></td>
</tr>
<tr class="list2">
<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="CastleTerrain.TTerrainImage.html#LoadImage">LoadImage</a></b>(const AImageURL: string);</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="CastleTerrain.TTerrainImage.html#ClearImage">ClearImage</a></b>;</code></td>
</tr>
</table>
<a name="PasDoc-Properties"></a><h3 class="summary">Properties</h3>
<table class="summary wide_list">
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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>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageURL">ImageURL</a></b>: string read FImageURL;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageHeightScale">ImageHeightScale</a></b>: Single
      read FImageHeightScale write FImageHeightScale default 1.0;</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>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageRepeat">ImageRepeat</a></b>: boolean
      read FImageRepeat write FImageRepeat default false;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageX1">ImageX1</a></b>: Single read FImageX1 write FImageX1 default -1;</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>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageY1">ImageY1</a></b>: Single read FImageY1 write FImageY1 default -1;</code></td>
</tr>
<tr class="list2">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageX2">ImageX2</a></b>: Single read FImageX2 write FImageX2 default 1;</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>property <b><a  href="CastleTerrain.TTerrainImage.html#ImageY2">ImageY2</a></b>: Single read FImageY2 write FImageY2 default 1;</code></td>
</tr>
</table>
<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="Create"></a><code>constructor <b>Create</b>;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="Destroy"></a><code>destructor <b>Destroy</b>; override;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
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<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="Height"></a><code>function <b>Height</b>(const X, Y: Single): Single; override;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="LoadImage"></a><code>procedure <b>LoadImage</b>(const AImageURL: string);</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ClearImage"></a><code>procedure <b>ClearImage</b>;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<h3 class="detail">Properties</h3>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageURL"></a><code>property <b>ImageURL</b>: string read FImageURL;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageHeightScale"></a><code>property <b>ImageHeightScale</b>: Single
      read FImageHeightScale write FImageHeightScale default 1.0;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageRepeat"></a><code>property <b>ImageRepeat</b>: boolean
      read FImageRepeat write FImageRepeat default false;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageX1"></a><code>property <b>ImageX1</b>: Single read FImageX1 write FImageX1 default -1;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageY1"></a><code>property <b>ImageY1</b>: Single read FImageY1 write FImageY1 default -1;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageX2"></a><code>property <b>ImageX2</b>: Single read FImageX2 write FImageX2 default 1;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
<table class="detail wide_list">
<tr class="list">
<td class="visibility"><a  href="legend.html"><img  src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="ImageY2"></a><code>property <b>ImageY2</b>: Single read FImageY2 write FImageY2 default 1;</code></td>
</tr>
<tr><td colspan="2">
&nbsp;</td></tr>
</table>
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