| 1 | /* |
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| 2 | Bullet Continuous Collision Detection and Physics Library |
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| 3 | Copyright (c) 2003-2008 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 | |
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| 16 | #ifndef SOFT_BODY_HELPERS_H |
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| 17 | #define SOFT_BODY_HELPERS_H |
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| 18 | |
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| 19 | #include "btSoftBody.h" |
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| 20 | |
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| 21 | // |
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| 22 | // Helpers |
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| 23 | // |
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| 24 | |
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| 25 | /* fDrawFlags */ |
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| 26 | struct fDrawFlags { enum _ { |
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| 27 | Nodes = 0x0001, |
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| 28 | Links = 0x0002, |
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| 29 | Faces = 0x0004, |
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| 30 | Tetras = 0x0008, |
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| 31 | Normals = 0x0010, |
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| 32 | Contacts = 0x0020, |
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| 33 | Anchors = 0x0040, |
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| 34 | Notes = 0x0080, |
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| 35 | Clusters = 0x0100, |
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| 36 | NodeTree = 0x0200, |
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| 37 | FaceTree = 0x0400, |
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| 38 | ClusterTree = 0x0800, |
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| 39 | Joints = 0x1000, |
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| 40 | /* presets */ |
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| 41 | Std = Links+Faces+Tetras+Anchors+Notes+Joints, |
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| 42 | StdTetra = Std-Faces+Tetras, |
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| 43 | };}; |
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| 44 | |
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| 45 | struct btSoftBodyHelpers |
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| 46 | { |
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| 47 | /* Draw body */ |
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| 48 | static void Draw( btSoftBody* psb, |
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| 49 | btIDebugDraw* idraw, |
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| 50 | int drawflags=fDrawFlags::Std); |
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| 51 | /* Draw body infos */ |
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| 52 | static void DrawInfos( btSoftBody* psb, |
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| 53 | btIDebugDraw* idraw, |
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| 54 | bool masses, |
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| 55 | bool areas, |
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| 56 | bool stress); |
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| 57 | /* Draw node tree */ |
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| 58 | static void DrawNodeTree( btSoftBody* psb, |
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| 59 | btIDebugDraw* idraw, |
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| 60 | int mindepth=0, |
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| 61 | int maxdepth=-1); |
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| 62 | /* Draw face tree */ |
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| 63 | static void DrawFaceTree( btSoftBody* psb, |
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| 64 | btIDebugDraw* idraw, |
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| 65 | int mindepth=0, |
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| 66 | int maxdepth=-1); |
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| 67 | /* Draw cluster tree */ |
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| 68 | static void DrawClusterTree(btSoftBody* psb, |
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| 69 | btIDebugDraw* idraw, |
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| 70 | int mindepth=0, |
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| 71 | int maxdepth=-1); |
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| 72 | /* Draw rigid frame */ |
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| 73 | static void DrawFrame( btSoftBody* psb, |
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| 74 | btIDebugDraw* idraw); |
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| 75 | /* Create a rope */ |
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| 76 | static btSoftBody* CreateRope( btSoftBodyWorldInfo& worldInfo, |
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| 77 | const btVector3& from, |
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| 78 | const btVector3& to, |
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| 79 | int res, |
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| 80 | int fixeds); |
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| 81 | /* Create a patch */ |
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| 82 | static btSoftBody* CreatePatch(btSoftBodyWorldInfo& worldInfo, |
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| 83 | const btVector3& corner00, |
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| 84 | const btVector3& corner10, |
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| 85 | const btVector3& corner01, |
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| 86 | const btVector3& corner11, |
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| 87 | int resx, |
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| 88 | int resy, |
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| 89 | int fixeds, |
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| 90 | bool gendiags); |
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| 91 | /* Create an ellipsoid */ |
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| 92 | static btSoftBody* CreateEllipsoid(btSoftBodyWorldInfo& worldInfo, |
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| 93 | const btVector3& center, |
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| 94 | const btVector3& radius, |
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| 95 | int res); |
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| 96 | /* Create from trimesh */ |
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| 97 | static btSoftBody* CreateFromTriMesh( btSoftBodyWorldInfo& worldInfo, |
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| 98 | const btScalar* vertices, |
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| 99 | const int* triangles, |
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| 100 | int ntriangles); |
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| 101 | /* Create from convex-hull */ |
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| 102 | static btSoftBody* CreateFromConvexHull( btSoftBodyWorldInfo& worldInfo, |
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| 103 | const btVector3* vertices, |
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| 104 | int nvertices); |
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| 105 | }; |
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| 106 | |
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| 107 | #endif //SOFT_BODY_HELPERS_H |
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