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<a href="#pub-methods">Public Member Functions</a> |
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<h1>ChipmunkSpace Class Reference</h1> </div>
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<!-- doxytag: class="ChipmunkSpace" -->
<p>Chipmunk spaces are simulation containers.
<a href="#_details">More...</a></p>
<p><code>#import <<a class="el" href="_chipmunk_space_8h_source.html">ChipmunkSpace.h</a>></code></p>
<p><a href="class_chipmunk_space-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#accf5543d3c96d7bd7d8b48694ea6a28b">setDefaultCollisionHandler:begin:preSolve:postSolve:separate:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the default collision handler. <a href="#accf5543d3c96d7bd7d8b48694ea6a28b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a9780fa28138893f83464f025d0d8a167">addCollisionHandler:typeA:typeB:begin:preSolve:postSolve:separate:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set a collision handler to handle specific collision types. <a href="#a9780fa28138893f83464f025d0d8a167"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a3eea3d382fdae0ac1d061416b0c4beaa">addShapeAHandler:typeA:typeB:begin:preSolve:postSolve:separate:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deprecated in 5.3.0. <a href="#a3eea3d382fdae0ac1d061416b0c4beaa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#aab00351f11a8faa5ead747d4ac7390bc">addShapeBHandler:typeA:typeB:begin:preSolve:postSolve:separate:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deprecated in 5.3.0. <a href="#aab00351f11a8faa5ead747d4ac7390bc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a244d818d3bb52b81f3004d5ba470844c"></a><!-- doxytag: member="ChipmunkSpace::removeCollisionHandlerForTypeA:andB:" ref="a244d818d3bb52b81f3004d5ba470844c" args="(id a,[andB] id b)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a244d818d3bb52b81f3004d5ba470844c">removeCollisionHandlerForTypeA:andB:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a collision handler. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(id) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a3c7c9546e958d23fac51a740ddfbfecd">add:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add an object to the space. <a href="#a3c7c9546e958d23fac51a740ddfbfecd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ab5a858ce3414e5efb2fecf982761b175">addBaseObjects:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a collection of <a class="el" href="protocol_chipmunk_base_object-p.html" title="This protocol is implemented by objects that know how to add themselves to a space.">ChipmunkBaseObject</a> objects to the space. <a href="#ab5a858ce3414e5efb2fecf982761b175"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(id) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a59ea2ee0045c5301ecd0f3c5353b372f">remove:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove an object from the space. <a href="#a59ea2ee0045c5301ecd0f3c5353b372f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#abed9b7e56ea1d27de7fac3cca1a2fc0a">removeBaseObjects:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a collection of <a class="el" href="protocol_chipmunk_base_object-p.html" title="This protocol is implemented by objects that know how to add themselves to a space.">ChipmunkBaseObject</a> objects from the space. <a href="#abed9b7e56ea1d27de7fac3cca1a2fc0a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a872d5e8b5336025a069ccd06295b6eda"></a><!-- doxytag: member="ChipmunkSpace::addPostStepCallback:selector:context:" ref="a872d5e8b5336025a069ccd06295b6eda" args="(id target,[selector] SEL selector,[context](deprecated __attribute__)" -->
(void) </td><td class="memItemRight" valign="bottom">- <b>addPostStepCallback:selector:context:</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a2c830350cabce22db65905bfa4337057">addPostStepCallback:selector:key:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Define a callback to be run just before [<a class="el" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a> step:] finishes. <a href="#a2c830350cabce22db65905bfa4337057"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeb8bb804046389c71cdf8532e27ea1d1"></a><!-- doxytag: member="ChipmunkSpace::addPostStepRemoval:" ref="aeb8bb804046389c71cdf8532e27ea1d1" args="(id< ChipmunkObject > obj)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#aeb8bb804046389c71cdf8532e27ea1d1">addPostStepRemoval:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove the Chipmunk Object from the space at the end of the step: <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af41855579653620ce5310f9ce8887bef"></a><!-- doxytag: member="ChipmunkSpace::pointQueryAll:layers:group:" ref="af41855579653620ce5310f9ce8887bef" args="(cpVect point,[layers] cpLayers layers,[group] id group)" -->
(NSArray *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#af41855579653620ce5310f9ce8887bef">pointQueryAll:layers:group:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a NSArray of all shapes that overlap the given point. The point is treated as having the given group and layers. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a93db71199d83f36b3011d9e9df2b2ce0"></a><!-- doxytag: member="ChipmunkSpace::pointQueryFirst:layers:group:" ref="a93db71199d83f36b3011d9e9df2b2ce0" args="(cpVect point,[layers] cpLayers layers,[group] id group)" -->
(<a class="el" href="interface_chipmunk_shape.html">ChipmunkShape</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a93db71199d83f36b3011d9e9df2b2ce0">pointQueryFirst:layers:group:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the first shape that overlaps the given point. The point is treated as having the given group and layers. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a717a70d5a0437bec43bd41f6d35c9d37"></a><!-- doxytag: member="ChipmunkSpace::segmentQueryAllFrom:to:layers:group:" ref="a717a70d5a0437bec43bd41f6d35c9d37" args="(cpVect start,[to] cpVect end,[layers] cpLayers layers,[group] id group)" -->
(NSArray *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a717a70d5a0437bec43bd41f6d35c9d37">segmentQueryAllFrom:to:layers:group:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a NSArray of <a class="el" href="interface_chipmunk_segment_query_info.html" title="Holds collision information from segment queries. You should never need to create one...">ChipmunkSegmentQueryInfo</a> objects for all the shapes that overlap the segment. The objects are unsorted. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a068267fad09180f4bd0d484401ebad41"></a><!-- doxytag: member="ChipmunkSpace::segmentQueryFirstFrom:to:layers:group:" ref="a068267fad09180f4bd0d484401ebad41" args="(cpVect start,[to] cpVect end,[layers] cpLayers layers,[group] id group)" -->
(<a class="el" href="interface_chipmunk_segment_query_info.html">ChipmunkSegmentQueryInfo</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a068267fad09180f4bd0d484401ebad41">segmentQueryFirstFrom:to:layers:group:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the first shape that overlaps the given segment. The segment is treated as having the given group and layers. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9a013766876dc74cb58b4cbb2b42b01a"></a><!-- doxytag: member="ChipmunkSpace::bbQueryAll:layers:group:" ref="a9a013766876dc74cb58b4cbb2b42b01a" args="(cpBB bb,[layers] cpLayers layers,[group] id group)" -->
(NSArray *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a9a013766876dc74cb58b4cbb2b42b01a">bbQueryAll:layers:group:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a NSArray of all shapes whose bounding boxes overlap the given bounding box. The box is treated as having the given group and layers. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad38f1e3da89b9a3eb3e9dc73df977954"></a><!-- doxytag: member="ChipmunkSpace::shapeQueryAll:" ref="ad38f1e3da89b9a3eb3e9dc73df977954" args="(ChipmunkShape *shape)" -->
(NSArray *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ad38f1e3da89b9a3eb3e9dc73df977954">shapeQueryAll:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a NSArray of <a class="el" href="interface_chipmunk_shape_query_info.html" title="Holds collision information from segment queries. You should never need to create one...">ChipmunkShapeQueryInfo</a> objects for all the shapes that overlap <code>shape</code>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aba56451094ddc4286d74a08261bb2948"></a><!-- doxytag: member="ChipmunkSpace::shapeTest:" ref="aba56451094ddc4286d74a08261bb2948" args="(id shape)" -->
(BOOL) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#aba56451094ddc4286d74a08261bb2948">shapeTest:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the shape overlaps anything in the space. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a26033bbc72a2e2092487d5da1d18d2c7"></a><!-- doxytag: member="ChipmunkSpace::activateShapesTouchingShape:" ref="a26033bbc72a2e2092487d5da1d18d2c7" args="(ChipmunkShape *shape)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a26033bbc72a2e2092487d5da1d18d2c7">activateShapesTouchingShape:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Perform a shape query for shape and call cpBodyActivate() for everythnig it touches. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2f278949798d2944a7465d0beaaa9921"></a><!-- doxytag: member="ChipmunkSpace::resizeStaticHashWithDim:andCount:" ref="a2f278949798d2944a7465d0beaaa9921" args="(cpFloat dim,[andCount] int count)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a2f278949798d2944a7465d0beaaa9921">resizeStaticHashWithDim:andCount:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retune the performance of the static shapes hash. See the C API documentation for a detailed description. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a03c6fe4c1640fe4b9023f90d56ad05ab"></a><!-- doxytag: member="ChipmunkSpace::resizeActiveHashWithDim:andCount:" ref="a03c6fe4c1640fe4b9023f90d56ad05ab" args="(cpFloat dim,[andCount] int count)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a03c6fe4c1640fe4b9023f90d56ad05ab">resizeActiveHashWithDim:andCount:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retune the performance of the active shapes hash. See the C API documentation for a detailed description. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7b6994b8a25e813cc349400d0d990779"></a><!-- doxytag: member="ChipmunkSpace::rehashStatic" ref="a7b6994b8a25e813cc349400d0d990779" args="()" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a7b6994b8a25e813cc349400d0d990779">rehashStatic</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Update all the static shapes. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ababf6296d0413cdb9b97e877e5f1130e">rehashShape:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Update the collision info for a single shape. <a href="#ababf6296d0413cdb9b97e877e5f1130e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7ca0baa1f9f99376e474f7e9b3bb1309"></a><!-- doxytag: member="ChipmunkSpace::step:" ref="a7ca0baa1f9f99376e474f7e9b3bb1309" args="(cpFloat dt)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a7ca0baa1f9f99376e474f7e9b3bb1309">step:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Step time forward. While variable timesteps may be used, a constant timestep will allow you to reduce CPU usage by using fewer iterations. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a66fe23054085f9d0d2adfe156c43e711"></a><!-- doxytag: member="ChipmunkSpace::addBounds:thickness:elasticity:friction:layers:group:collisionType:" ref="a66fe23054085f9d0d2adfe156c43e711" args="(CGRect bounds,[thickness] cpFloat radius,[elasticity] cpFloat elasticity,[friction] cpFloat friction,[layers] cpLayers layers,[group] id group,[collisionType] id collisionType)" -->
(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a66fe23054085f9d0d2adfe156c43e711">addBounds:thickness:elasticity:friction:layers:group:collisionType:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a border of collision segments around a box. See <a class="el" href="interface_chipmunk_shape.html" title="Abstract base class for collsion shape types.">ChipmunkShape</a> for more information on the other parameters. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a05a254efc2324a71981e2c047009989e"></a><!-- doxytag: member="ChipmunkSpace::addBody:" ref="a05a254efc2324a71981e2c047009989e" args="(ChipmunkBody *obj)" -->
(<a class="el" href="interface_chipmunk_body.html">ChipmunkBody</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a05a254efc2324a71981e2c047009989e">addBody:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a body to the space. Normally you would simply use <a class="el" href="interface_chipmunk_space.html#a3c7c9546e958d23fac51a740ddfbfecd" title="Add an object to the space.">add:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab4ab8547f563a688f812e9700ee32478"></a><!-- doxytag: member="ChipmunkSpace::removeBody:" ref="ab4ab8547f563a688f812e9700ee32478" args="(ChipmunkBody *obj)" -->
(<a class="el" href="interface_chipmunk_body.html">ChipmunkBody</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ab4ab8547f563a688f812e9700ee32478">removeBody:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a body to the space. Normally you would simply use <a class="el" href="interface_chipmunk_space.html#a59ea2ee0045c5301ecd0f3c5353b372f" title="Remove an object from the space.">remove:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa847faa0fe7676b1bc8bd40ed043f5cd"></a><!-- doxytag: member="ChipmunkSpace::addShape:" ref="aa847faa0fe7676b1bc8bd40ed043f5cd" args="(ChipmunkShape *obj)" -->
(<a class="el" href="interface_chipmunk_shape.html">ChipmunkShape</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#aa847faa0fe7676b1bc8bd40ed043f5cd">addShape:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a shape to the space. Normally you would simply use <a class="el" href="interface_chipmunk_space.html#a3c7c9546e958d23fac51a740ddfbfecd" title="Add an object to the space.">add:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a68957396f56b85eacf0be4b5fdef30f7"></a><!-- doxytag: member="ChipmunkSpace::removeShape:" ref="a68957396f56b85eacf0be4b5fdef30f7" args="(ChipmunkShape *obj)" -->
(<a class="el" href="interface_chipmunk_shape.html">ChipmunkShape</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a68957396f56b85eacf0be4b5fdef30f7">removeShape:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a shape to the space. Normally you would simply use <a class="el" href="interface_chipmunk_space.html#a59ea2ee0045c5301ecd0f3c5353b372f" title="Remove an object from the space.">remove:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1cbd7b480fd84d4dd3765e2c162baced"></a><!-- doxytag: member="ChipmunkSpace::addStaticShape:" ref="a1cbd7b480fd84d4dd3765e2c162baced" args="(ChipmunkShape *obj)" -->
(<a class="el" href="interface_chipmunk_shape.html">ChipmunkShape</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#a1cbd7b480fd84d4dd3765e2c162baced">addStaticShape:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a static shape to the space. Normally you would simply create a static shape use <a class="el" href="interface_chipmunk_space.html#a3c7c9546e958d23fac51a740ddfbfecd" title="Add an object to the space.">add:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad6293583f76342660a6b148c590cd588"></a><!-- doxytag: member="ChipmunkSpace::removeStaticShape:" ref="ad6293583f76342660a6b148c590cd588" args="(ChipmunkShape *obj)" -->
(<a class="el" href="interface_chipmunk_shape.html">ChipmunkShape</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ad6293583f76342660a6b148c590cd588">removeStaticShape:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a static shape to the space. Normally you would simply create a static shape use <a class="el" href="interface_chipmunk_space.html#a59ea2ee0045c5301ecd0f3c5353b372f" title="Remove an object from the space.">remove:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad50a687208dd1149fc83313a51f42348"></a><!-- doxytag: member="ChipmunkSpace::addConstraint:" ref="ad50a687208dd1149fc83313a51f42348" args="(ChipmunkConstraint *obj)" -->
(<a class="el" href="interface_chipmunk_constraint.html">ChipmunkConstraint</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ad50a687208dd1149fc83313a51f42348">addConstraint:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a constraint to the space. Normally you would simply use <a class="el" href="interface_chipmunk_space.html#a3c7c9546e958d23fac51a740ddfbfecd" title="Add an object to the space.">add:</a>. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae63ba01f99d88bff473db9b3156e2e94"></a><!-- doxytag: member="ChipmunkSpace::removeConstraint:" ref="ae63ba01f99d88bff473db9b3156e2e94" args="(ChipmunkConstraint *obj)" -->
(<a class="el" href="interface_chipmunk_constraint.html">ChipmunkConstraint</a> *) </td><td class="memItemRight" valign="bottom">- <a class="el" href="interface_chipmunk_space.html#ae63ba01f99d88bff473db9b3156e2e94">removeConstraint:</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a constraint to the space. Normally you would simply use <a class="el" href="interface_chipmunk_space.html#a59ea2ee0045c5301ecd0f3c5353b372f" title="Remove an object from the space.">remove:</a>. <br/></td></tr>
<tr><td colspan="2"><h2><a name="properties"></a>
Properties</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#a14ae29e48719422333bc51ebfc292553">iterations</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The iteration count is how many solver passes the space should use when solving collisions and joints (default is 10). <a href="#a14ae29e48719422333bc51ebfc292553"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#a8c54f83ace39cb9a65ea1f150c32ba1d">elasticIterations</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deprecated in 5.3.0, should not be needed. <a href="#a8c54f83ace39cb9a65ea1f150c32ba1d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afb02e25c8c4f20a9598b2602c0e6f2e6"></a><!-- doxytag: member="ChipmunkSpace::gravity" ref="afb02e25c8c4f20a9598b2602c0e6f2e6" args="" -->
cpVect </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#afb02e25c8c4f20a9598b2602c0e6f2e6">gravity</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Global gravity value to use for all rigid bodies in this space (default value is <code>cpvzero</code>). <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">cpFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#a591e8e360264f67fc7f6f4494dde10b7">damping</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Global viscous damping value to use for all rigid bodies in this space (default value is 1.0 which disables damping). <a href="#a591e8e360264f67fc7f6f4494dde10b7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad79276e72714d0e3d8025fb51efca906"></a><!-- doxytag: member="ChipmunkSpace::idleSpeedThreshold" ref="ad79276e72714d0e3d8025fb51efca906" args="" -->
cpFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#ad79276e72714d0e3d8025fb51efca906">idleSpeedThreshold</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If a body is moving slower than this speed, it is considered idle. The default value is 0, which signals that the space should guess a good value based on the current gravity. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">cpFloat </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#a8137619872454fb466471ac5af743347">sleepTimeThreshold</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Elapsed time before a group of idle bodies is put to sleep (defaults to infinity which disables sleeping). <a href="#a8137619872454fb466471ac5af743347"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abea8947ecd2c50ed272d91ae051ceb43"></a><!-- doxytag: member="ChipmunkSpace::space" ref="abea8947ecd2c50ed272d91ae051ceb43" args="" -->
cpSpace * </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43">space</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a pointer to the underlying cpSpace C struct. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="interface_chipmunk_body.html">ChipmunkBody</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="interface_chipmunk_space.html#a858a6a13360cc3bbbb79339b76af1554">staticBody</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The space's designated static body. <a href="#a858a6a13360cc3bbbb79339b76af1554"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Chipmunk spaces are simulation containers. </p>
<p>You add a bunch of physics objects to a space (rigid bodies, collision shapes, and joints) and step the entire space forward through time as a whole. </p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a3c7c9546e958d23fac51a740ddfbfecd"></a><!-- doxytag: member="ChipmunkSpace::add:" ref="a3c7c9546e958d23fac51a740ddfbfecd" args="(NSObject< ChipmunkObject > *obj)" -->
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<td class="memname">- (id) add: </td>
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<td class="paramtype">(NSObject< <a class="el" href="protocol_chipmunk_object-p.html">ChipmunkObject</a> > *) </td>
<td class="paramname"> <em>obj</em></td>
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<p>Add an object to the space. </p>
<p>This can be any object that implements the <a class="el" href="protocol_chipmunk_object-p.html" title="Allows you to add composite objects to a space in a single method call.">ChipmunkObject</a> protocol. This includes all the basic types such as <a class="el" href="interface_chipmunk_body.html" title="Rigid bodies are the basic unit of simulation in Chipmunk.">ChipmunkBody</a>, <a class="el" href="interface_chipmunk_shape.html" title="Abstract base class for collsion shape types.">ChipmunkShape</a> and <a class="el" href="interface_chipmunk_constraint.html" title="Constraints connect two ChipmunkBody objects together.">ChipmunkConstraint</a> as well as any composite game objects you may define that implement the protocol. </p>
<dl class="warning"><dt><b>Warning:</b></dt><dd>This method may not be called from a collision handler callback. See ChipmunkSpace.addPostStepCallback:selector:context: for information on how to do that. </dd></dl>
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<a class="anchor" id="ab5a858ce3414e5efb2fecf982761b175"></a><!-- doxytag: member="ChipmunkSpace::addBaseObjects:" ref="ab5a858ce3414e5efb2fecf982761b175" args="(id< NSFastEnumeration > objects)" -->
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<td class="memname">- (void) addBaseObjects: </td>
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<td class="paramtype">(id< NSFastEnumeration >) </td>
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<p>Add a collection of <a class="el" href="protocol_chipmunk_base_object-p.html" title="This protocol is implemented by objects that know how to add themselves to a space.">ChipmunkBaseObject</a> objects to the space. </p>
<p>The objects must implement the <a class="el" href="protocol_chipmunk_base_object-p.html" title="This protocol is implemented by objects that know how to add themselves to a space.">ChipmunkBaseObject</a> protocol. These include <a class="el" href="interface_chipmunk_body.html" title="Rigid bodies are the basic unit of simulation in Chipmunk.">ChipmunkBody</a>, <a class="el" href="interface_chipmunk_shape.html" title="Abstract base class for collsion shape types.">ChipmunkShape</a> and <a class="el" href="interface_chipmunk_constraint.html" title="Constraints connect two ChipmunkBody objects together.">ChipmunkConstraint</a> objects. </p>
<dl class="warning"><dt><b>Warning:</b></dt><dd>This method may not be called from a collision handler callback. See ChipmunkSpace.addPostStepCallback:selector:context: for information on how to do that. </dd></dl>
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<a class="anchor" id="a9780fa28138893f83464f025d0d8a167"></a><!-- doxytag: member="ChipmunkSpace::addCollisionHandler:typeA:typeB:begin:preSolve:postSolve:separate:" ref="a9780fa28138893f83464f025d0d8a167" args="(id target,[typeA] id a,[typeB] id b,[begin] SEL begin,[preSolve] SEL preSolve,[postSolve] SEL postSolve,[separate] SEL separate)" -->
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<td class="paramtype">(id) </td>
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<td class="paramkey">typeA:</td>
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<td class="paramtype">(id) </td>
<td class="paramname"> <em>a</em></td>
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<td class="paramkey">typeB:</td>
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<td class="paramtype">(id) </td>
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<td class="paramtype">(SEL) </td>
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<td class="paramtype">(SEL) </td>
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<td class="paramtype">(SEL) </td>
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<td class="paramkey">separate:</td>
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<p>Set a collision handler to handle specific collision types. </p>
<p>The methods are called only when shapes with the specified collisionTypes collide.</p>
<p><code>typeA</code> and <code>typeB</code> should be the same object references set to <a class="el" href="interface_chipmunk_shape.html#a8dc205ce246e673d60cc40d2bbd8a693" title="An object reference used as a collision type identifier.">ChipmunkShape.collisionType</a>. They can be any uniquely identifying object. Class and global NSString objects work well as collision types as they are easy to get a reference to and do not require you to allocate any objects.</p>
<p>The expected method selectors are as follows: </p>
<div class="fragment"><pre class="fragment">- (bool)begin:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
- (<span class="keywordtype">bool</span>)preSolve:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
- (void)postSolve:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
- (<span class="keywordtype">void</span>)separate:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
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<a class="anchor" id="a2c830350cabce22db65905bfa4337057"></a><!-- doxytag: member="ChipmunkSpace::addPostStepCallback:selector:key:" ref="a2c830350cabce22db65905bfa4337057" args="(id target,[selector] SEL selector,[key] id key)" -->
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<p>Define a callback to be run just before [<a class="el" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a> step:] finishes. </p>
<p>The main reason you want to define post-step callbacks is to get around the restriction that you cannot call the add/remove methods from a collision handler callback. Post-step callbacks run right before the next (or current) call to <a class="el" href="interface_chipmunk_space.html#a7ca0baa1f9f99376e474f7e9b3bb1309" title="Step time forward. While variable timesteps may be used, a constant timestep will allow you to reduce...">step:</a> returns when it is safe to add and remove objects. You can only schedule one post-step callback per context value, this prevents you from accidentally removing an object twice. Registering a second callback for the same object will replace the first.</p>
<p>The method signature of the method should be: </p>
<div class="fragment"><pre class="fragment">- (void)postStepCallback:(<span class="keywordtype">id</span>)key</code></pre>
</pre></div><p>This makes it easy to call a removal method on your game controller to remove a game object that died or was destroyed as the result of a collision: </p>
<div class="fragment"><pre class="fragment">[<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a> addPostStepCallback:gameController selector:<span class="keyword">@selector</span>(<span class="keyword">remove</span>:) key:gameObject];
</pre></div><dl class="attention"><dt><b>Attention:</b></dt><dd>Not to be confused with post-solve collision handler callbacks. </dd></dl>
<dl class="warning"><dt><b>Warning:</b></dt><dd><code>target</code> and <code>object</code> cannot be retained by the <a class="el" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>. If you need to release either after registering the callback, use autorelease to ensure that they won't be deallocated until after [<a class="el" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a> step:] returns. </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="interface_chipmunk_space.html#aeb8bb804046389c71cdf8532e27ea1d1" title="Remove the Chipmunk Object from the space at the end of the step:">- addPostStepRemoval:</a> </dd></dl>
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<a class="anchor" id="a3eea3d382fdae0ac1d061416b0c4beaa"></a><!-- doxytag: member="ChipmunkSpace::addShapeAHandler:typeA:typeB:begin:preSolve:postSolve:separate:" ref="a3eea3d382fdae0ac1d061416b0c4beaa" args="(Class klass,[typeA] id a,[typeB] id b,[begin] SEL begin,[preSolve] SEL preSolve,[postSolve] SEL postSolve,[separate](deprecated __attribute__)" -->
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<td class="memname">- (void) addShapeAHandler: </td>
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<td class="paramtype">(Class) </td>
<td class="paramname"> <em>klass</em></td>
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<td class="paramkey">typeA:</td>
<td></td>
<td class="paramtype">(id) </td>
<td class="paramname"> <em>a</em></td>
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<td class="paramkey">typeB:</td>
<td></td>
<td class="paramtype">(id) </td>
<td class="paramname"> <em>b</em></td>
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<td class="paramkey">begin:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>begin</em></td>
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<td class="paramkey">preSolve:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>preSolve</em></td>
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<td class="paramkey">postSolve:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>postSolve</em></td><td> </td>
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<p>Deprecated in 5.3.0. </p>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000002">Deprecated:</a></b></dt><dd>since 5.3.0 </dd></dl>
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<a class="anchor" id="aab00351f11a8faa5ead747d4ac7390bc"></a><!-- doxytag: member="ChipmunkSpace::addShapeBHandler:typeA:typeB:begin:preSolve:postSolve:separate:" ref="aab00351f11a8faa5ead747d4ac7390bc" args="(Class klass,[typeA] id a,[typeB] id b,[begin] SEL begin,[preSolve] SEL preSolve,[postSolve] SEL postSolve,[separate](deprecated __attribute__)" -->
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<td class="memname">- (void) addShapeBHandler: </td>
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<td class="paramtype">(Class) </td>
<td class="paramname"> <em>klass</em></td>
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<td class="paramkey">typeA:</td>
<td></td>
<td class="paramtype">(id) </td>
<td class="paramname"> <em>a</em></td>
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<td class="paramkey">typeB:</td>
<td></td>
<td class="paramtype">(id) </td>
<td class="paramname"> <em>b</em></td>
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<td class="paramkey">begin:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>begin</em></td>
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<td class="paramkey">preSolve:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>preSolve</em></td>
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<td class="paramkey">postSolve:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>postSolve</em></td><td> </td>
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<p>Deprecated in 5.3.0. </p>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000003">Deprecated:</a></b></dt><dd>since 5.3.0 </dd></dl>
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<a class="anchor" id="ababf6296d0413cdb9b97e877e5f1130e"></a><!-- doxytag: member="ChipmunkSpace::rehashShape:" ref="ababf6296d0413cdb9b97e877e5f1130e" args="(ChipmunkShape *shape)" -->
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<td class="memname">- (void) rehashShape: </td>
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<td class="paramtype">(<a class="el" href="interface_chipmunk_shape.html">ChipmunkShape</a> *) </td>
<td class="paramname"> <em>shape</em></td>
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<p>Update the collision info for a single shape. </p>
<p>Can be used to update individual static shapes that were moved or active shapes that were moved that you want to query against. </p>
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<a class="anchor" id="a59ea2ee0045c5301ecd0f3c5353b372f"></a><!-- doxytag: member="ChipmunkSpace::remove:" ref="a59ea2ee0045c5301ecd0f3c5353b372f" args="(NSObject< ChipmunkObject > *obj)" -->
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<td class="memname">- (id) remove: </td>
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<td class="paramtype">(NSObject< <a class="el" href="protocol_chipmunk_object-p.html">ChipmunkObject</a> > *) </td>
<td class="paramname"> <em>obj</em></td>
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<p>Remove an object from the space. </p>
<p>This can be any object that implements the <a class="el" href="protocol_chipmunk_object-p.html" title="Allows you to add composite objects to a space in a single method call.">ChipmunkObject</a> protocol. This includes all the basic types such as <a class="el" href="interface_chipmunk_body.html" title="Rigid bodies are the basic unit of simulation in Chipmunk.">ChipmunkBody</a>, <a class="el" href="interface_chipmunk_shape.html" title="Abstract base class for collsion shape types.">ChipmunkShape</a> and <a class="el" href="interface_chipmunk_constraint.html" title="Constraints connect two ChipmunkBody objects together.">ChipmunkConstraint</a> as well as any composite game objects you may define that implement the protocol. </p>
<dl class="warning"><dt><b>Warning:</b></dt><dd>This method may not be called from a collision handler callback. See ChipmunkSpace.addPostStepCallback:selector:context: for information on how to do that. </dd></dl>
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<a class="anchor" id="abed9b7e56ea1d27de7fac3cca1a2fc0a"></a><!-- doxytag: member="ChipmunkSpace::removeBaseObjects:" ref="abed9b7e56ea1d27de7fac3cca1a2fc0a" args="(id< NSFastEnumeration > objects)" -->
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<td class="memname">- (void) removeBaseObjects: </td>
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<td class="paramtype">(id< NSFastEnumeration >) </td>
<td class="paramname"> <em>objects</em></td>
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<p>Remove a collection of <a class="el" href="protocol_chipmunk_base_object-p.html" title="This protocol is implemented by objects that know how to add themselves to a space.">ChipmunkBaseObject</a> objects from the space. </p>
<p>The objects must implement the <a class="el" href="protocol_chipmunk_base_object-p.html" title="This protocol is implemented by objects that know how to add themselves to a space.">ChipmunkBaseObject</a> protocol. These include <a class="el" href="interface_chipmunk_body.html" title="Rigid bodies are the basic unit of simulation in Chipmunk.">ChipmunkBody</a>, <a class="el" href="interface_chipmunk_shape.html" title="Abstract base class for collsion shape types.">ChipmunkShape</a> and <a class="el" href="interface_chipmunk_constraint.html" title="Constraints connect two ChipmunkBody objects together.">ChipmunkConstraint</a> objects. </p>
<dl class="warning"><dt><b>Warning:</b></dt><dd>This method may not be called from a collision handler callback. See ChipmunkSpace.addPostStepCallback:selector:context: for information on how to do that. </dd></dl>
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<a class="anchor" id="accf5543d3c96d7bd7d8b48694ea6a28b"></a><!-- doxytag: member="ChipmunkSpace::setDefaultCollisionHandler:begin:preSolve:postSolve:separate:" ref="accf5543d3c96d7bd7d8b48694ea6a28b" args="(id target,[begin] SEL begin,[preSolve] SEL preSolve,[postSolve] SEL postSolve,[separate] SEL separate)" -->
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<td class="memname">- (void) setDefaultCollisionHandler: </td>
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<td class="paramtype">(id) </td>
<td class="paramname"> <em>target</em></td>
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<td class="paramkey">begin:</td>
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<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>begin</em></td>
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<td class="paramkey">preSolve:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>preSolve</em></td>
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<td class="paramkey">postSolve:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>postSolve</em></td>
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<td class="paramkey">separate:</td>
<td></td>
<td class="paramtype">(SEL) </td>
<td class="paramname"> <em>separate</em></td><td> </td>
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<p>Set the default collision handler. </p>
<p>The default handler is used for all collisions when a specific collision handler cannot be found.</p>
<p>The expected method selectors are as follows: </p>
<div class="fragment"><pre class="fragment">- (bool)begin:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
- (<span class="keywordtype">bool</span>)preSolve:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
- (void)postSolve:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
- (<span class="keywordtype">void</span>)separate:(cpArbiter *)arbiter <a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>:(<a class="code" href="interface_chipmunk_space.html" title="Chipmunk spaces are simulation containers.">ChipmunkSpace</a>*)<a class="code" href="interface_chipmunk_space.html#abea8947ecd2c50ed272d91ae051ceb43" title="Returns a pointer to the underlying cpSpace C struct.">space</a>
</pre></div>
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</div>
<hr/><h2>Property Documentation</h2>
<a class="anchor" id="a591e8e360264f67fc7f6f4494dde10b7"></a><!-- doxytag: member="ChipmunkSpace::damping" ref="a591e8e360264f67fc7f6f4494dde10b7" args="" -->
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<td class="memname">- (cpFloat) damping<code> [read, write, assign]</code></td>
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<p>Global viscous damping value to use for all rigid bodies in this space (default value is 1.0 which disables damping). </p>
<p>This value is the fraction of velocity a body should have after 1 second. A value of 0.9 would mean that each second, a body would have 80% of the velocity it had the previous second. </p>
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<a class="anchor" id="a8c54f83ace39cb9a65ea1f150c32ba1d"></a><!-- doxytag: member="ChipmunkSpace::elasticIterations" ref="a8c54f83ace39cb9a65ea1f150c32ba1d" args="" -->
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<td class="memname">- (int) elasticIterations<code> [read, write, assign]</code></td>
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<p>Deprecated in 5.3.0, should not be needed. </p>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated:</a></b></dt><dd>since 5.3.0 </dd></dl>
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<a class="anchor" id="a14ae29e48719422333bc51ebfc292553"></a><!-- doxytag: member="ChipmunkSpace::iterations" ref="a14ae29e48719422333bc51ebfc292553" args="" -->
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<td class="memname">- (int) iterations<code> [read, write, assign]</code></td>
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<p>The iteration count is how many solver passes the space should use when solving collisions and joints (default is 10). </p>
<p>Fewer iterations mean less CPU usage, but lower quality (mushy looking) physics. </p>
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<a class="anchor" id="a8137619872454fb466471ac5af743347"></a><!-- doxytag: member="ChipmunkSpace::sleepTimeThreshold" ref="a8137619872454fb466471ac5af743347" args="" -->
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<td class="memname">- (cpFloat) sleepTimeThreshold<code> [read, write, assign]</code></td>
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<p>Elapsed time before a group of idle bodies is put to sleep (defaults to infinity which disables sleeping). </p>
<p>If an entire group of touching or jointed bodies has been idle for at least this long, the space will put all of the bodies into a sleeping state where they consume very little CPU. </p>
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<a class="anchor" id="a858a6a13360cc3bbbb79339b76af1554"></a><!-- doxytag: member="ChipmunkSpace::staticBody" ref="a858a6a13360cc3bbbb79339b76af1554" args="" -->
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<td class="memname">- (<a class="el" href="interface_chipmunk_body.html">ChipmunkBody</a>*) staticBody<code> [read, assign]</code></td>
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<p>The space's designated static body. </p>
<p>Collision shapes added to the body will automatically be marked as static shapes, and rigid bodies that come to rest while touching or jointed to this body will fall asleep. </p>
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</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="_chipmunk_space_8h_source.html">ChipmunkSpace.h</a></li>
</ul>
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