class_constraint_manager.html 44 KB

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  107. <a href="#pub-methods">Public Member Functions</a> &#124;
  108. <a href="#pub-static-methods">Static Public Member Functions</a> &#124;
  109. <a href="class_constraint_manager-members.html">List of all members</a> </div>
  110. <div class="headertitle"><div class="title">ConstraintManager Class Reference</div></div>
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  113. <p><code>#include &lt;<a class="el" href="_constraint_manager_8h_source.html">ConstraintManager.h</a>&gt;</code></p>
  114. <div class="dynheader">
  115. Inheritance diagram for ConstraintManager:</div>
  116. <div class="dyncontent">
  117. <div class="center">
  118. <img src="class_constraint_manager.png" usemap="#ConstraintManager_map" alt=""/>
  119. <map id="ConstraintManager_map" name="ConstraintManager_map">
  120. <area href="class_non_copyable.html" title="Class that makes another class non-copyable. Usage: Inherit from NonCopyable." alt="NonCopyable" shape="rect" coords="0,0,120,24"/>
  121. </map>
  122. </div></div>
  123. <table class="memberdecls">
  124. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
  125. Public Member Functions</h2></td></tr>
  126. <tr class="memitem:ae323401f2d9039dd330b070808c494f7" id="r_ae323401f2d9039dd330b070808c494f7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_memory_8h.html#a91074fb218fe28954a0938c099ddd9e0">JPH_OVERRIDE_NEW_DELETE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae323401f2d9039dd330b070808c494f7">Add</a> (<a class="el" href="class_constraint.html">Constraint</a> **inConstraints, int inNumber)</td></tr>
  127. <tr class="memdesc:ae323401f2d9039dd330b070808c494f7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Add a new constraint. This is thread safe. <br /></td></tr>
  128. <tr class="separator:ae323401f2d9039dd330b070808c494f7"><td class="memSeparator" colspan="2">&#160;</td></tr>
  129. <tr class="memitem:acb16102f8700cbe29811d38abf913d0a" id="r_acb16102f8700cbe29811d38abf913d0a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#acb16102f8700cbe29811d38abf913d0a">Remove</a> (<a class="el" href="class_constraint.html">Constraint</a> **inConstraint, int inNumber)</td></tr>
  130. <tr class="memdesc:acb16102f8700cbe29811d38abf913d0a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Remove a constraint. This is thread safe. <br /></td></tr>
  131. <tr class="separator:acb16102f8700cbe29811d38abf913d0a"><td class="memSeparator" colspan="2">&#160;</td></tr>
  132. <tr class="memitem:a28696554e9f5f7b0b2169fa523e80440" id="r_a28696554e9f5f7b0b2169fa523e80440"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_constraint_manager_8h.html#aee2917a71c172c61d1e2d77c1fad813b">Constraints</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a28696554e9f5f7b0b2169fa523e80440">GetConstraints</a> () const</td></tr>
  133. <tr class="memdesc:a28696554e9f5f7b0b2169fa523e80440"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get a list of all constraints. <br /></td></tr>
  134. <tr class="separator:a28696554e9f5f7b0b2169fa523e80440"><td class="memSeparator" colspan="2">&#160;</td></tr>
  135. <tr class="memitem:acd910b293c763c5c5a6f7c29a37721fb" id="r_acd910b293c763c5c5a6f7c29a37721fb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#acd910b293c763c5c5a6f7c29a37721fb">GetNumConstraints</a> () const</td></tr>
  136. <tr class="memdesc:acd910b293c763c5c5a6f7c29a37721fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get total number of constraints. <br /></td></tr>
  137. <tr class="separator:acd910b293c763c5c5a6f7c29a37721fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
  138. <tr class="memitem:a6620266366dc35c2bf3877530a0d0c2a" id="r_a6620266366dc35c2bf3877530a0d0c2a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a6620266366dc35c2bf3877530a0d0c2a">GetActiveConstraints</a> (<a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inStartConstraintIdx, <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inEndConstraintIdx, <a class="el" href="class_constraint.html">Constraint</a> **outActiveConstraints, <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> &amp;outNumActiveConstraints) const</td></tr>
  139. <tr class="memdesc:a6620266366dc35c2bf3877530a0d0c2a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Determine the active constraints of a subset of the constraints. <br /></td></tr>
  140. <tr class="separator:a6620266366dc35c2bf3877530a0d0c2a"><td class="memSeparator" colspan="2">&#160;</td></tr>
  141. <tr class="memitem:acbfe993a9253a89c1a75f1fa8318a706" id="r_acbfe993a9253a89c1a75f1fa8318a706"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#acbfe993a9253a89c1a75f1fa8318a706">DrawConstraints</a> (<a class="el" href="class_debug_renderer.html">DebugRenderer</a> *inRenderer) const</td></tr>
  142. <tr class="memdesc:acbfe993a9253a89c1a75f1fa8318a706"><td class="mdescLeft">&#160;</td><td class="mdescRight">Draw all constraints. <br /></td></tr>
  143. <tr class="separator:acbfe993a9253a89c1a75f1fa8318a706"><td class="memSeparator" colspan="2">&#160;</td></tr>
  144. <tr class="memitem:ada42a650942ca12b4ffef3bc772ccaed" id="r_ada42a650942ca12b4ffef3bc772ccaed"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ada42a650942ca12b4ffef3bc772ccaed">DrawConstraintLimits</a> (<a class="el" href="class_debug_renderer.html">DebugRenderer</a> *inRenderer) const</td></tr>
  145. <tr class="memdesc:ada42a650942ca12b4ffef3bc772ccaed"><td class="mdescLeft">&#160;</td><td class="mdescRight">Draw all constraint limits. <br /></td></tr>
  146. <tr class="separator:ada42a650942ca12b4ffef3bc772ccaed"><td class="memSeparator" colspan="2">&#160;</td></tr>
  147. <tr class="memitem:a8e8f3c781d808b7676cb6a7e8e377a3b" id="r_a8e8f3c781d808b7676cb6a7e8e377a3b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8e8f3c781d808b7676cb6a7e8e377a3b">DrawConstraintReferenceFrame</a> (<a class="el" href="class_debug_renderer.html">DebugRenderer</a> *inRenderer) const</td></tr>
  148. <tr class="memdesc:a8e8f3c781d808b7676cb6a7e8e377a3b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Draw all constraint reference frames. <br /></td></tr>
  149. <tr class="separator:a8e8f3c781d808b7676cb6a7e8e377a3b"><td class="memSeparator" colspan="2">&#160;</td></tr>
  150. <tr class="memitem:a77ead63fb9a81614e3a9bede90fbe730" id="r_a77ead63fb9a81614e3a9bede90fbe730"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a77ead63fb9a81614e3a9bede90fbe730">SaveState</a> (<a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;inStream, const <a class="el" href="class_state_recorder_filter.html">StateRecorderFilter</a> *inFilter) const</td></tr>
  151. <tr class="memdesc:a77ead63fb9a81614e3a9bede90fbe730"><td class="mdescLeft">&#160;</td><td class="mdescRight">Save state of constraints. <br /></td></tr>
  152. <tr class="separator:a77ead63fb9a81614e3a9bede90fbe730"><td class="memSeparator" colspan="2">&#160;</td></tr>
  153. <tr class="memitem:aa6041abc2a70cc411e4d814c9dbf43f2" id="r_aa6041abc2a70cc411e4d814c9dbf43f2"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa6041abc2a70cc411e4d814c9dbf43f2">RestoreState</a> (<a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;inStream)</td></tr>
  154. <tr class="memdesc:aa6041abc2a70cc411e4d814c9dbf43f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Restore the state of constraints. Returns false if failed. <br /></td></tr>
  155. <tr class="separator:aa6041abc2a70cc411e4d814c9dbf43f2"><td class="memSeparator" colspan="2">&#160;</td></tr>
  156. <tr class="memitem:ae8d4baabaedc6f26b774d40b71b6bf85" id="r_ae8d4baabaedc6f26b774d40b71b6bf85"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae8d4baabaedc6f26b774d40b71b6bf85">LockAllConstraints</a> ()</td></tr>
  157. <tr class="memdesc:ae8d4baabaedc6f26b774d40b71b6bf85"><td class="mdescLeft">&#160;</td><td class="mdescRight">Lock all constraints. This should only be done during <a class="el" href="class_physics_system.html#a4cdc76b2486dfaecfc9319d040e5e5f3">PhysicsSystem::Update()</a>. <br /></td></tr>
  158. <tr class="separator:ae8d4baabaedc6f26b774d40b71b6bf85"><td class="memSeparator" colspan="2">&#160;</td></tr>
  159. <tr class="memitem:aef2a29f192caeb1209dfc1a6db0afb96" id="r_aef2a29f192caeb1209dfc1a6db0afb96"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aef2a29f192caeb1209dfc1a6db0afb96">UnlockAllConstraints</a> ()</td></tr>
  160. <tr class="separator:aef2a29f192caeb1209dfc1a6db0afb96"><td class="memSeparator" colspan="2">&#160;</td></tr>
  161. <tr class="inherit_header pub_methods_class_non_copyable"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_class_non_copyable')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_non_copyable.html">NonCopyable</a></td></tr>
  162. <tr class="memitem:a809b6e4ade7ae32f6d248f2a3b783d45 inherit pub_methods_class_non_copyable" id="r_a809b6e4ade7ae32f6d248f2a3b783d45"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#a809b6e4ade7ae32f6d248f2a3b783d45">NonCopyable</a> ()=default</td></tr>
  163. <tr class="separator:a809b6e4ade7ae32f6d248f2a3b783d45 inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
  164. <tr class="memitem:a501d34ffcc34b30de6d541887a901057 inherit pub_methods_class_non_copyable" id="r_a501d34ffcc34b30de6d541887a901057"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#a501d34ffcc34b30de6d541887a901057">NonCopyable</a> (const <a class="el" href="class_non_copyable.html">NonCopyable</a> &amp;)=delete</td></tr>
  165. <tr class="separator:a501d34ffcc34b30de6d541887a901057 inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
  166. <tr class="memitem:aaf9b12dcaae80c9d304df7a941d4e21f inherit pub_methods_class_non_copyable" id="r_aaf9b12dcaae80c9d304df7a941d4e21f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_non_copyable.html#aaf9b12dcaae80c9d304df7a941d4e21f">operator=</a> (const <a class="el" href="class_non_copyable.html">NonCopyable</a> &amp;)=delete</td></tr>
  167. <tr class="separator:aaf9b12dcaae80c9d304df7a941d4e21f inherit pub_methods_class_non_copyable"><td class="memSeparator" colspan="2">&#160;</td></tr>
  168. </table><table class="memberdecls">
  169. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-static-methods" name="pub-static-methods"></a>
  170. Static Public Member Functions</h2></td></tr>
  171. <tr class="memitem:a8d25eeed84ba6551c00751925af42d78" id="r_a8d25eeed84ba6551c00751925af42d78"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8d25eeed84ba6551c00751925af42d78">sBuildIslands</a> (<a class="el" href="class_constraint.html">Constraint</a> **inActiveConstraints, <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumActiveConstraints, <a class="el" href="class_island_builder.html">IslandBuilder</a> &amp;ioBuilder, <a class="el" href="class_body_manager.html">BodyManager</a> &amp;inBodyManager)</td></tr>
  172. <tr class="memdesc:a8d25eeed84ba6551c00751925af42d78"><td class="mdescLeft">&#160;</td><td class="mdescRight">Link bodies to form islands. <br /></td></tr>
  173. <tr class="separator:a8d25eeed84ba6551c00751925af42d78"><td class="memSeparator" colspan="2">&#160;</td></tr>
  174. <tr class="memitem:a2757e3b3d0529dc17e18f973962189a0" id="r_a2757e3b3d0529dc17e18f973962189a0"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a2757e3b3d0529dc17e18f973962189a0">sSortConstraints</a> (<a class="el" href="class_constraint.html">Constraint</a> **inActiveConstraints, <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxBegin, <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxEnd)</td></tr>
  175. <tr class="memdesc:a2757e3b3d0529dc17e18f973962189a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">In order to have a deterministic simulation, we need to sort the constraints of an island before solving them. <br /></td></tr>
  176. <tr class="separator:a2757e3b3d0529dc17e18f973962189a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
  177. <tr class="memitem:afe238a7b8236da9b32ab8f5d2805a9b0" id="r_afe238a7b8236da9b32ab8f5d2805a9b0"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#afe238a7b8236da9b32ab8f5d2805a9b0">sSetupVelocityConstraints</a> (<a class="el" href="class_constraint.html">Constraint</a> **inActiveConstraints, <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> inNumActiveConstraints, float inDeltaTime)</td></tr>
  178. <tr class="memdesc:afe238a7b8236da9b32ab8f5d2805a9b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prior to solving the velocity constraints, you must call SetupVelocityConstraints once to precalculate values that are independent of velocity. <br /></td></tr>
  179. <tr class="separator:afe238a7b8236da9b32ab8f5d2805a9b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
  180. <tr class="memitem:ae6bcface0a71b17d95c48e2dddac5741" id="r_ae6bcface0a71b17d95c48e2dddac5741"><td class="memTemplParams" colspan="2">template&lt;class ConstraintCallback &gt; </td></tr>
  181. <tr class="memitem:ae6bcface0a71b17d95c48e2dddac5741"><td class="memTemplItemLeft" align="right" valign="top">static void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="#ae6bcface0a71b17d95c48e2dddac5741">sWarmStartVelocityConstraints</a> (<a class="el" href="class_constraint.html">Constraint</a> **inActiveConstraints, const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxBegin, const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxEnd, float inWarmStartImpulseRatio, ConstraintCallback &amp;ioCallback)</td></tr>
  182. <tr class="memdesc:ae6bcface0a71b17d95c48e2dddac5741"><td class="mdescLeft">&#160;</td><td class="mdescRight">Apply last frame's impulses, must be called prior to SolveVelocityConstraints. <br /></td></tr>
  183. <tr class="separator:ae6bcface0a71b17d95c48e2dddac5741"><td class="memSeparator" colspan="2">&#160;</td></tr>
  184. <tr class="memitem:ac5b062e8c716c39c1ab6a9596cf38e27" id="r_ac5b062e8c716c39c1ab6a9596cf38e27"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ac5b062e8c716c39c1ab6a9596cf38e27">sSolveVelocityConstraints</a> (<a class="el" href="class_constraint.html">Constraint</a> **inActiveConstraints, const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxBegin, const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxEnd, float inDeltaTime)</td></tr>
  185. <tr class="memdesc:ac5b062e8c716c39c1ab6a9596cf38e27"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function is called multiple times to iteratively come to a solution that meets all velocity constraints. <br /></td></tr>
  186. <tr class="separator:ac5b062e8c716c39c1ab6a9596cf38e27"><td class="memSeparator" colspan="2">&#160;</td></tr>
  187. <tr class="memitem:a4229723017436afa53da329e916f35be" id="r_a4229723017436afa53da329e916f35be"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a4229723017436afa53da329e916f35be">sSolvePositionConstraints</a> (<a class="el" href="class_constraint.html">Constraint</a> **inActiveConstraints, const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxBegin, const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *inConstraintIdxEnd, float inDeltaTime, float inBaumgarte)</td></tr>
  188. <tr class="memdesc:a4229723017436afa53da329e916f35be"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function is called multiple times to iteratively come to a solution that meets all position constraints. <br /></td></tr>
  189. <tr class="separator:a4229723017436afa53da329e916f35be"><td class="memSeparator" colspan="2">&#160;</td></tr>
  190. </table>
  191. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  192. <div class="textblock"><p>A constraint manager manages all constraints of the same type</p>
  193. <p>WARNING: This class is an internal part of <a class="el" href="class_physics_system.html">PhysicsSystem</a>, it has no functions that can be called by users of the library. Its functionality is exposed through <a class="el" href="class_physics_system.html">PhysicsSystem</a> and <a class="el" href="class_body_interface.html">BodyInterface</a>. </p>
  194. </div><h2 class="groupheader">Member Function Documentation</h2>
  195. <a id="ae323401f2d9039dd330b070808c494f7" name="ae323401f2d9039dd330b070808c494f7"></a>
  196. <h2 class="memtitle"><span class="permalink"><a href="#ae323401f2d9039dd330b070808c494f7">&#9670;&#160;</a></span>Add()</h2>
  197. <div class="memitem">
  198. <div class="memproto">
  199. <table class="memname">
  200. <tr>
  201. <td class="memname"><a class="el" href="_core_8h.html#ad14098b68b8c44ea6112601031268405">JPH_NAMESPACE_BEGIN</a> void ConstraintManager::Add </td>
  202. <td>(</td>
  203. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inConstraints</em></span>, </td>
  204. </tr>
  205. <tr>
  206. <td class="paramkey"></td>
  207. <td></td>
  208. <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>inNumber</em></span>&#160;)</td>
  209. </tr>
  210. </table>
  211. </div><div class="memdoc">
  212. <p>Add a new constraint. This is thread safe. </p>
  213. </div>
  214. </div>
  215. <a id="ada42a650942ca12b4ffef3bc772ccaed" name="ada42a650942ca12b4ffef3bc772ccaed"></a>
  216. <h2 class="memtitle"><span class="permalink"><a href="#ada42a650942ca12b4ffef3bc772ccaed">&#9670;&#160;</a></span>DrawConstraintLimits()</h2>
  217. <div class="memitem">
  218. <div class="memproto">
  219. <table class="memname">
  220. <tr>
  221. <td class="memname">void ConstraintManager::DrawConstraintLimits </td>
  222. <td>(</td>
  223. <td class="paramtype"><a class="el" href="class_debug_renderer.html">DebugRenderer</a> *</td> <td class="paramname"><span class="paramname"><em>inRenderer</em></span></td><td>)</td>
  224. <td> const</td>
  225. </tr>
  226. </table>
  227. </div><div class="memdoc">
  228. <p>Draw all constraint limits. </p>
  229. </div>
  230. </div>
  231. <a id="a8e8f3c781d808b7676cb6a7e8e377a3b" name="a8e8f3c781d808b7676cb6a7e8e377a3b"></a>
  232. <h2 class="memtitle"><span class="permalink"><a href="#a8e8f3c781d808b7676cb6a7e8e377a3b">&#9670;&#160;</a></span>DrawConstraintReferenceFrame()</h2>
  233. <div class="memitem">
  234. <div class="memproto">
  235. <table class="memname">
  236. <tr>
  237. <td class="memname">void ConstraintManager::DrawConstraintReferenceFrame </td>
  238. <td>(</td>
  239. <td class="paramtype"><a class="el" href="class_debug_renderer.html">DebugRenderer</a> *</td> <td class="paramname"><span class="paramname"><em>inRenderer</em></span></td><td>)</td>
  240. <td> const</td>
  241. </tr>
  242. </table>
  243. </div><div class="memdoc">
  244. <p>Draw all constraint reference frames. </p>
  245. </div>
  246. </div>
  247. <a id="acbfe993a9253a89c1a75f1fa8318a706" name="acbfe993a9253a89c1a75f1fa8318a706"></a>
  248. <h2 class="memtitle"><span class="permalink"><a href="#acbfe993a9253a89c1a75f1fa8318a706">&#9670;&#160;</a></span>DrawConstraints()</h2>
  249. <div class="memitem">
  250. <div class="memproto">
  251. <table class="memname">
  252. <tr>
  253. <td class="memname">void ConstraintManager::DrawConstraints </td>
  254. <td>(</td>
  255. <td class="paramtype"><a class="el" href="class_debug_renderer.html">DebugRenderer</a> *</td> <td class="paramname"><span class="paramname"><em>inRenderer</em></span></td><td>)</td>
  256. <td> const</td>
  257. </tr>
  258. </table>
  259. </div><div class="memdoc">
  260. <p>Draw all constraints. </p>
  261. </div>
  262. </div>
  263. <a id="a6620266366dc35c2bf3877530a0d0c2a" name="a6620266366dc35c2bf3877530a0d0c2a"></a>
  264. <h2 class="memtitle"><span class="permalink"><a href="#a6620266366dc35c2bf3877530a0d0c2a">&#9670;&#160;</a></span>GetActiveConstraints()</h2>
  265. <div class="memitem">
  266. <div class="memproto">
  267. <table class="memname">
  268. <tr>
  269. <td class="memname">void ConstraintManager::GetActiveConstraints </td>
  270. <td>(</td>
  271. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a></td> <td class="paramname"><span class="paramname"><em>inStartConstraintIdx</em></span>, </td>
  272. </tr>
  273. <tr>
  274. <td class="paramkey"></td>
  275. <td></td>
  276. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a></td> <td class="paramname"><span class="paramname"><em>inEndConstraintIdx</em></span>, </td>
  277. </tr>
  278. <tr>
  279. <td class="paramkey"></td>
  280. <td></td>
  281. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>outActiveConstraints</em></span>, </td>
  282. </tr>
  283. <tr>
  284. <td class="paramkey"></td>
  285. <td></td>
  286. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> &amp;</td> <td class="paramname"><span class="paramname"><em>outNumActiveConstraints</em></span>&#160;) const</td>
  287. </tr>
  288. </table>
  289. </div><div class="memdoc">
  290. <p>Determine the active constraints of a subset of the constraints. </p>
  291. </div>
  292. </div>
  293. <a id="a28696554e9f5f7b0b2169fa523e80440" name="a28696554e9f5f7b0b2169fa523e80440"></a>
  294. <h2 class="memtitle"><span class="permalink"><a href="#a28696554e9f5f7b0b2169fa523e80440">&#9670;&#160;</a></span>GetConstraints()</h2>
  295. <div class="memitem">
  296. <div class="memproto">
  297. <table class="memname">
  298. <tr>
  299. <td class="memname"><a class="el" href="_constraint_manager_8h.html#aee2917a71c172c61d1e2d77c1fad813b">Constraints</a> ConstraintManager::GetConstraints </td>
  300. <td>(</td>
  301. <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
  302. <td> const</td>
  303. </tr>
  304. </table>
  305. </div><div class="memdoc">
  306. <p>Get a list of all constraints. </p>
  307. </div>
  308. </div>
  309. <a id="acd910b293c763c5c5a6f7c29a37721fb" name="acd910b293c763c5c5a6f7c29a37721fb"></a>
  310. <h2 class="memtitle"><span class="permalink"><a href="#acd910b293c763c5c5a6f7c29a37721fb">&#9670;&#160;</a></span>GetNumConstraints()</h2>
  311. <div class="memitem">
  312. <div class="memproto">
  313. <table class="mlabels">
  314. <tr>
  315. <td class="mlabels-left">
  316. <table class="memname">
  317. <tr>
  318. <td class="memname"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> ConstraintManager::GetNumConstraints </td>
  319. <td>(</td>
  320. <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
  321. <td> const</td>
  322. </tr>
  323. </table>
  324. </td>
  325. <td class="mlabels-right">
  326. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  327. </tr>
  328. </table>
  329. </div><div class="memdoc">
  330. <p>Get total number of constraints. </p>
  331. </div>
  332. </div>
  333. <a id="ae8d4baabaedc6f26b774d40b71b6bf85" name="ae8d4baabaedc6f26b774d40b71b6bf85"></a>
  334. <h2 class="memtitle"><span class="permalink"><a href="#ae8d4baabaedc6f26b774d40b71b6bf85">&#9670;&#160;</a></span>LockAllConstraints()</h2>
  335. <div class="memitem">
  336. <div class="memproto">
  337. <table class="mlabels">
  338. <tr>
  339. <td class="mlabels-left">
  340. <table class="memname">
  341. <tr>
  342. <td class="memname">void ConstraintManager::LockAllConstraints </td>
  343. <td>(</td>
  344. <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
  345. <td></td>
  346. </tr>
  347. </table>
  348. </td>
  349. <td class="mlabels-right">
  350. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  351. </tr>
  352. </table>
  353. </div><div class="memdoc">
  354. <p>Lock all constraints. This should only be done during <a class="el" href="class_physics_system.html#a4cdc76b2486dfaecfc9319d040e5e5f3">PhysicsSystem::Update()</a>. </p>
  355. </div>
  356. </div>
  357. <a id="acb16102f8700cbe29811d38abf913d0a" name="acb16102f8700cbe29811d38abf913d0a"></a>
  358. <h2 class="memtitle"><span class="permalink"><a href="#acb16102f8700cbe29811d38abf913d0a">&#9670;&#160;</a></span>Remove()</h2>
  359. <div class="memitem">
  360. <div class="memproto">
  361. <table class="memname">
  362. <tr>
  363. <td class="memname">void ConstraintManager::Remove </td>
  364. <td>(</td>
  365. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inConstraint</em></span>, </td>
  366. </tr>
  367. <tr>
  368. <td class="paramkey"></td>
  369. <td></td>
  370. <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>inNumber</em></span>&#160;)</td>
  371. </tr>
  372. </table>
  373. </div><div class="memdoc">
  374. <p>Remove a constraint. This is thread safe. </p>
  375. </div>
  376. </div>
  377. <a id="aa6041abc2a70cc411e4d814c9dbf43f2" name="aa6041abc2a70cc411e4d814c9dbf43f2"></a>
  378. <h2 class="memtitle"><span class="permalink"><a href="#aa6041abc2a70cc411e4d814c9dbf43f2">&#9670;&#160;</a></span>RestoreState()</h2>
  379. <div class="memitem">
  380. <div class="memproto">
  381. <table class="memname">
  382. <tr>
  383. <td class="memname">bool ConstraintManager::RestoreState </td>
  384. <td>(</td>
  385. <td class="paramtype"><a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;</td> <td class="paramname"><span class="paramname"><em>inStream</em></span></td><td>)</td>
  386. <td></td>
  387. </tr>
  388. </table>
  389. </div><div class="memdoc">
  390. <p>Restore the state of constraints. Returns false if failed. </p>
  391. </div>
  392. </div>
  393. <a id="a77ead63fb9a81614e3a9bede90fbe730" name="a77ead63fb9a81614e3a9bede90fbe730"></a>
  394. <h2 class="memtitle"><span class="permalink"><a href="#a77ead63fb9a81614e3a9bede90fbe730">&#9670;&#160;</a></span>SaveState()</h2>
  395. <div class="memitem">
  396. <div class="memproto">
  397. <table class="memname">
  398. <tr>
  399. <td class="memname">void ConstraintManager::SaveState </td>
  400. <td>(</td>
  401. <td class="paramtype"><a class="el" href="class_state_recorder.html">StateRecorder</a> &amp;</td> <td class="paramname"><span class="paramname"><em>inStream</em></span>, </td>
  402. </tr>
  403. <tr>
  404. <td class="paramkey"></td>
  405. <td></td>
  406. <td class="paramtype">const <a class="el" href="class_state_recorder_filter.html">StateRecorderFilter</a> *</td> <td class="paramname"><span class="paramname"><em>inFilter</em></span>&#160;) const</td>
  407. </tr>
  408. </table>
  409. </div><div class="memdoc">
  410. <p>Save state of constraints. </p>
  411. </div>
  412. </div>
  413. <a id="a8d25eeed84ba6551c00751925af42d78" name="a8d25eeed84ba6551c00751925af42d78"></a>
  414. <h2 class="memtitle"><span class="permalink"><a href="#a8d25eeed84ba6551c00751925af42d78">&#9670;&#160;</a></span>sBuildIslands()</h2>
  415. <div class="memitem">
  416. <div class="memproto">
  417. <table class="mlabels">
  418. <tr>
  419. <td class="mlabels-left">
  420. <table class="memname">
  421. <tr>
  422. <td class="memname">void ConstraintManager::sBuildIslands </td>
  423. <td>(</td>
  424. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inActiveConstraints</em></span>, </td>
  425. </tr>
  426. <tr>
  427. <td class="paramkey"></td>
  428. <td></td>
  429. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a></td> <td class="paramname"><span class="paramname"><em>inNumActiveConstraints</em></span>, </td>
  430. </tr>
  431. <tr>
  432. <td class="paramkey"></td>
  433. <td></td>
  434. <td class="paramtype"><a class="el" href="class_island_builder.html">IslandBuilder</a> &amp;</td> <td class="paramname"><span class="paramname"><em>ioBuilder</em></span>, </td>
  435. </tr>
  436. <tr>
  437. <td class="paramkey"></td>
  438. <td></td>
  439. <td class="paramtype"><a class="el" href="class_body_manager.html">BodyManager</a> &amp;</td> <td class="paramname"><span class="paramname"><em>inBodyManager</em></span>&#160;)</td>
  440. </tr>
  441. </table>
  442. </td>
  443. <td class="mlabels-right">
  444. <span class="mlabels"><span class="mlabel">static</span></span> </td>
  445. </tr>
  446. </table>
  447. </div><div class="memdoc">
  448. <p>Link bodies to form islands. </p>
  449. </div>
  450. </div>
  451. <a id="afe238a7b8236da9b32ab8f5d2805a9b0" name="afe238a7b8236da9b32ab8f5d2805a9b0"></a>
  452. <h2 class="memtitle"><span class="permalink"><a href="#afe238a7b8236da9b32ab8f5d2805a9b0">&#9670;&#160;</a></span>sSetupVelocityConstraints()</h2>
  453. <div class="memitem">
  454. <div class="memproto">
  455. <table class="mlabels">
  456. <tr>
  457. <td class="mlabels-left">
  458. <table class="memname">
  459. <tr>
  460. <td class="memname">void ConstraintManager::sSetupVelocityConstraints </td>
  461. <td>(</td>
  462. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inActiveConstraints</em></span>, </td>
  463. </tr>
  464. <tr>
  465. <td class="paramkey"></td>
  466. <td></td>
  467. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a></td> <td class="paramname"><span class="paramname"><em>inNumActiveConstraints</em></span>, </td>
  468. </tr>
  469. <tr>
  470. <td class="paramkey"></td>
  471. <td></td>
  472. <td class="paramtype">float</td> <td class="paramname"><span class="paramname"><em>inDeltaTime</em></span>&#160;)</td>
  473. </tr>
  474. </table>
  475. </td>
  476. <td class="mlabels-right">
  477. <span class="mlabels"><span class="mlabel">static</span></span> </td>
  478. </tr>
  479. </table>
  480. </div><div class="memdoc">
  481. <p>Prior to solving the velocity constraints, you must call SetupVelocityConstraints once to precalculate values that are independent of velocity. </p>
  482. </div>
  483. </div>
  484. <a id="a4229723017436afa53da329e916f35be" name="a4229723017436afa53da329e916f35be"></a>
  485. <h2 class="memtitle"><span class="permalink"><a href="#a4229723017436afa53da329e916f35be">&#9670;&#160;</a></span>sSolvePositionConstraints()</h2>
  486. <div class="memitem">
  487. <div class="memproto">
  488. <table class="mlabels">
  489. <tr>
  490. <td class="mlabels-left">
  491. <table class="memname">
  492. <tr>
  493. <td class="memname">bool ConstraintManager::sSolvePositionConstraints </td>
  494. <td>(</td>
  495. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inActiveConstraints</em></span>, </td>
  496. </tr>
  497. <tr>
  498. <td class="paramkey"></td>
  499. <td></td>
  500. <td class="paramtype">const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxBegin</em></span>, </td>
  501. </tr>
  502. <tr>
  503. <td class="paramkey"></td>
  504. <td></td>
  505. <td class="paramtype">const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxEnd</em></span>, </td>
  506. </tr>
  507. <tr>
  508. <td class="paramkey"></td>
  509. <td></td>
  510. <td class="paramtype">float</td> <td class="paramname"><span class="paramname"><em>inDeltaTime</em></span>, </td>
  511. </tr>
  512. <tr>
  513. <td class="paramkey"></td>
  514. <td></td>
  515. <td class="paramtype">float</td> <td class="paramname"><span class="paramname"><em>inBaumgarte</em></span>&#160;)</td>
  516. </tr>
  517. </table>
  518. </td>
  519. <td class="mlabels-right">
  520. <span class="mlabels"><span class="mlabel">static</span></span> </td>
  521. </tr>
  522. </table>
  523. </div><div class="memdoc">
  524. <p>This function is called multiple times to iteratively come to a solution that meets all position constraints. </p>
  525. </div>
  526. </div>
  527. <a id="ac5b062e8c716c39c1ab6a9596cf38e27" name="ac5b062e8c716c39c1ab6a9596cf38e27"></a>
  528. <h2 class="memtitle"><span class="permalink"><a href="#ac5b062e8c716c39c1ab6a9596cf38e27">&#9670;&#160;</a></span>sSolveVelocityConstraints()</h2>
  529. <div class="memitem">
  530. <div class="memproto">
  531. <table class="mlabels">
  532. <tr>
  533. <td class="mlabels-left">
  534. <table class="memname">
  535. <tr>
  536. <td class="memname">bool ConstraintManager::sSolveVelocityConstraints </td>
  537. <td>(</td>
  538. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inActiveConstraints</em></span>, </td>
  539. </tr>
  540. <tr>
  541. <td class="paramkey"></td>
  542. <td></td>
  543. <td class="paramtype">const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxBegin</em></span>, </td>
  544. </tr>
  545. <tr>
  546. <td class="paramkey"></td>
  547. <td></td>
  548. <td class="paramtype">const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxEnd</em></span>, </td>
  549. </tr>
  550. <tr>
  551. <td class="paramkey"></td>
  552. <td></td>
  553. <td class="paramtype">float</td> <td class="paramname"><span class="paramname"><em>inDeltaTime</em></span>&#160;)</td>
  554. </tr>
  555. </table>
  556. </td>
  557. <td class="mlabels-right">
  558. <span class="mlabels"><span class="mlabel">static</span></span> </td>
  559. </tr>
  560. </table>
  561. </div><div class="memdoc">
  562. <p>This function is called multiple times to iteratively come to a solution that meets all velocity constraints. </p>
  563. </div>
  564. </div>
  565. <a id="a2757e3b3d0529dc17e18f973962189a0" name="a2757e3b3d0529dc17e18f973962189a0"></a>
  566. <h2 class="memtitle"><span class="permalink"><a href="#a2757e3b3d0529dc17e18f973962189a0">&#9670;&#160;</a></span>sSortConstraints()</h2>
  567. <div class="memitem">
  568. <div class="memproto">
  569. <table class="mlabels">
  570. <tr>
  571. <td class="mlabels-left">
  572. <table class="memname">
  573. <tr>
  574. <td class="memname">void ConstraintManager::sSortConstraints </td>
  575. <td>(</td>
  576. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inActiveConstraints</em></span>, </td>
  577. </tr>
  578. <tr>
  579. <td class="paramkey"></td>
  580. <td></td>
  581. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxBegin</em></span>, </td>
  582. </tr>
  583. <tr>
  584. <td class="paramkey"></td>
  585. <td></td>
  586. <td class="paramtype"><a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxEnd</em></span>&#160;)</td>
  587. </tr>
  588. </table>
  589. </td>
  590. <td class="mlabels-right">
  591. <span class="mlabels"><span class="mlabel">static</span></span> </td>
  592. </tr>
  593. </table>
  594. </div><div class="memdoc">
  595. <p>In order to have a deterministic simulation, we need to sort the constraints of an island before solving them. </p>
  596. </div>
  597. </div>
  598. <a id="ae6bcface0a71b17d95c48e2dddac5741" name="ae6bcface0a71b17d95c48e2dddac5741"></a>
  599. <h2 class="memtitle"><span class="permalink"><a href="#ae6bcface0a71b17d95c48e2dddac5741">&#9670;&#160;</a></span>sWarmStartVelocityConstraints()</h2>
  600. <div class="memitem">
  601. <div class="memproto">
  602. <div class="memtemplate">
  603. template&lt;class ConstraintCallback &gt; </div>
  604. <table class="mlabels">
  605. <tr>
  606. <td class="mlabels-left">
  607. <table class="memname">
  608. <tr>
  609. <td class="memname">template void ConstraintManager::sWarmStartVelocityConstraints&lt; DummyCalculateSolverSteps &gt; </td>
  610. <td>(</td>
  611. <td class="paramtype"><a class="el" href="class_constraint.html">Constraint</a> **</td> <td class="paramname"><span class="paramname"><em>inActiveConstraints</em></span>, </td>
  612. </tr>
  613. <tr>
  614. <td class="paramkey"></td>
  615. <td></td>
  616. <td class="paramtype">const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxBegin</em></span>, </td>
  617. </tr>
  618. <tr>
  619. <td class="paramkey"></td>
  620. <td></td>
  621. <td class="paramtype">const <a class="el" href="_core_8h.html#a8f95e75e58492e87412191fabadd8ca8">uint32</a> *</td> <td class="paramname"><span class="paramname"><em>inConstraintIdxEnd</em></span>, </td>
  622. </tr>
  623. <tr>
  624. <td class="paramkey"></td>
  625. <td></td>
  626. <td class="paramtype">float</td> <td class="paramname"><span class="paramname"><em>inWarmStartImpulseRatio</em></span>, </td>
  627. </tr>
  628. <tr>
  629. <td class="paramkey"></td>
  630. <td></td>
  631. <td class="paramtype">ConstraintCallback &amp;</td> <td class="paramname"><span class="paramname"><em>ioCallback</em></span>&#160;)</td>
  632. </tr>
  633. </table>
  634. </td>
  635. <td class="mlabels-right">
  636. <span class="mlabels"><span class="mlabel">static</span></span> </td>
  637. </tr>
  638. </table>
  639. </div><div class="memdoc">
  640. <p>Apply last frame's impulses, must be called prior to SolveVelocityConstraints. </p>
  641. </div>
  642. </div>
  643. <a id="aef2a29f192caeb1209dfc1a6db0afb96" name="aef2a29f192caeb1209dfc1a6db0afb96"></a>
  644. <h2 class="memtitle"><span class="permalink"><a href="#aef2a29f192caeb1209dfc1a6db0afb96">&#9670;&#160;</a></span>UnlockAllConstraints()</h2>
  645. <div class="memitem">
  646. <div class="memproto">
  647. <table class="mlabels">
  648. <tr>
  649. <td class="mlabels-left">
  650. <table class="memname">
  651. <tr>
  652. <td class="memname">void ConstraintManager::UnlockAllConstraints </td>
  653. <td>(</td>
  654. <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
  655. <td></td>
  656. </tr>
  657. </table>
  658. </td>
  659. <td class="mlabels-right">
  660. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  661. </tr>
  662. </table>
  663. </div><div class="memdoc">
  664. </div>
  665. </div>
  666. <hr/>The documentation for this class was generated from the following files:<ul>
  667. <li>Jolt/Physics/Constraints/<a class="el" href="_constraint_manager_8h_source.html">ConstraintManager.h</a></li>
  668. <li>Jolt/Physics/Constraints/<a class="el" href="_constraint_manager_8cpp.html">ConstraintManager.cpp</a></li>
  669. </ul>
  670. </div><!-- contents -->
  671. </div><!-- doc-content -->
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  674. <ul>
  675. <li class="navelem"><a class="el" href="class_constraint_manager.html">ConstraintManager</a></li>
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