1 | /* |
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2 | Bullet Continuous Collision Detection and Physics Library |
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3 | Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ |
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4 | |
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5 | This software is provided 'as-is', without any express or implied warranty. |
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6 | In no event will the authors be held liable for any damages arising from the use of this software. |
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7 | Permission is granted to anyone to use this software for any purpose, |
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8 | including commercial applications, and to alter it and redistribute it freely, |
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9 | subject to the following restrictions: |
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10 | |
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11 | 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. |
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12 | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. |
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13 | 3. This notice may not be removed or altered from any source distribution. |
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14 | */ |
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15 | #ifndef GL_SHAPE_DRAWER_H |
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16 | #define GL_SHAPE_DRAWER_H |
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17 | |
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18 | class btCollisionShape; |
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19 | class btShapeHull; |
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20 | #include "LinearMath/btAlignedObjectArray.h" |
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21 | #include "LinearMath/btVector3.h" |
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22 | |
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23 | #include "BulletCollision/CollisionShapes/btShapeHull.h" |
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24 | |
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25 | /// OpenGL shape drawing |
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26 | class GL_ShapeDrawer |
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27 | { |
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28 | protected: |
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29 | struct ShapeCache |
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30 | { |
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31 | struct Edge { btVector3 n[2];int v[2]; }; |
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32 | ShapeCache(btConvexShape* s) : m_shapehull(s) {} |
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33 | btShapeHull m_shapehull; |
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34 | btAlignedObjectArray<Edge> m_edges; |
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35 | }; |
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36 | //clean-up memory of dynamically created shape hulls |
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37 | btAlignedObjectArray<ShapeCache*> m_shapecaches; |
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38 | unsigned int m_texturehandle; |
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39 | bool m_textureenabled; |
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40 | bool m_textureinitialized; |
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41 | |
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42 | |
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43 | ShapeCache* cache(btConvexShape*); |
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44 | |
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45 | public: |
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46 | GL_ShapeDrawer(); |
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47 | |
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48 | virtual ~GL_ShapeDrawer(); |
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49 | |
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50 | ///drawOpenGL might allocate temporary memoty, stores pointer in shape userpointer |
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51 | virtual void drawOpenGL(btScalar* m, const btCollisionShape* shape, const btVector3& color,int debugMode,const btVector3& worldBoundsMin,const btVector3& worldBoundsMax); |
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52 | virtual void drawShadow(btScalar* m, const btVector3& extrusion,const btCollisionShape* shape,const btVector3& worldBoundsMin,const btVector3& worldBoundsMax); |
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53 | |
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54 | bool enableTexture(bool enable) { bool p=m_textureenabled;m_textureenabled=enable;return(p); } |
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55 | bool hasTextureEnabled() const |
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56 | { |
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57 | return m_textureenabled; |
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58 | } |
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59 | |
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60 | static void drawCylinder(float radius,float halfHeight, int upAxis); |
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61 | void drawSphere(btScalar r, int lats, int longs); |
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62 | static void drawCoordSystem(); |
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63 | |
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64 | }; |
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65 | |
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66 | void OGL_displaylist_register_shape(btCollisionShape * shape); |
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67 | void OGL_displaylist_clean(); |
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68 | |
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69 | #endif //GL_SHAPE_DRAWER_H |
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70 | |
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