Extras/PhysicsEffects/src/base_level/collision/pfx_shape.cpp

   1 /*\r
   2 Physics Effects Copyright(C) 2010 Sony Computer Entertainment Inc.\r
   3 All rights reserved.\r
   4 \r
   5 Physics Effects is open software; you can redistribute it and/or\r
   6 modify it under the terms of the BSD License.\r
   7 \r
   8 Physics Effects is distributed in the hope that it will be useful,\r
   9 but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\r
  11 See the BSD License for more details.\r
  12 \r
  13 A copy of the BSD License is distributed with\r
  14 Physics Effects under the filename: physics_effects_license.txt\r
  15 */\r
  16 \r
  17 #include "../../../include/physics_effects/base_level/collision/pfx_shape.h"\r
  18 \r
  19 namespace sce {\r
  20 namespace PhysicsEffects {\r
  21 void pfxGetShapeAabbDummy(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  22 {\r
  23         (void)shape,(void)aabbMin,(void)aabbMax;\r
  24 }\r
  25 \r
  26 void pfxGetShapeAabbSphere(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  27 {\r
  28         aabbMin = shape.getOffsetPosition() - PfxVector3(shape.getSphere().m_radius);\r
  29         aabbMax = shape.getOffsetPosition() + PfxVector3(shape.getSphere().m_radius);\r
  30 }\r
  31 \r
  32 void pfxGetShapeAabbBox(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  33 {\r
  34         PfxVector3 boxSize = absPerElem(PfxMatrix3(shape.getOffsetOrientation())) * shape.getBox().m_half;\r
  35         aabbMin = shape.getOffsetPosition() - boxSize;\r
  36         aabbMax = shape.getOffsetPosition() + boxSize;\r
  37 }\r
  38 \r
  39 void pfxGetShapeAabbCapsule(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  40 {\r
  41         PfxVector3 dir = rotate(shape.getOffsetOrientation(),PfxVector3(1.0f,0.0f,0.0f));\r
  42         PfxVector3 capSize = absPerElem(dir) * shape.getCapsule().m_halfLen + \r
  43                 PfxVector3(shape.getCapsule().m_radius);\r
  44         aabbMin = shape.getOffsetPosition() - capSize;\r
  45         aabbMax = shape.getOffsetPosition() + capSize;\r
  46 }\r
  47 \r
  48 void pfxGetShapeAabbCylinder(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  49 {\r
  50         PfxVector3 capSize = absPerElem(PfxMatrix3(shape.getOffsetOrientation())) * \r
  51                 PfxVector3(shape.getCylinder().m_halfLen,shape.getCylinder().m_radius,shape.getCylinder().m_radius);\r
  52         aabbMin = shape.getOffsetPosition() - capSize;\r
  53         aabbMax = shape.getOffsetPosition() + capSize;\r
  54 }\r
  55 \r
  56 void pfxGetShapeAabbConvexMesh(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  57 {\r
  58         const PfxConvexMesh *convex = shape.getConvexMesh();\r
  59         PfxVector3 half = absPerElem(PfxMatrix3(shape.getOffsetOrientation())) * convex->m_half;\r
  60         aabbMin = shape.getOffsetPosition() - half;\r
  61         aabbMax = shape.getOffsetPosition() + half;\r
  62 }\r
  63 \r
  64 void pfxGetShapeAabbLargeTriMesh(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax)\r
  65 {\r
  66         const PfxLargeTriMesh *largemesh = shape.getLargeTriMesh();\r
  67         PfxVector3 half = absPerElem(PfxMatrix3(shape.getOffsetOrientation())) *  largemesh->m_half;\r
  68         aabbMin = shape.getOffsetPosition() - half;\r
  69         aabbMax = shape.getOffsetPosition() + half;\r
  70 }\r
  71 \r
  72 typedef void (*PfxFuncGetShapeAabb)(const PfxShape &shape,PfxVector3 &aabbMin,PfxVector3 &aabbMax);\r
  73 \r
  74 PfxFuncGetShapeAabb pfxFuncGetShapeAabb[kPfxShapeCount] = {\r
  75         pfxGetShapeAabbSphere,\r
  76         pfxGetShapeAabbBox,\r
  77         pfxGetShapeAabbCapsule,\r
  78         pfxGetShapeAabbCylinder,\r
  79         pfxGetShapeAabbConvexMesh,\r
  80         pfxGetShapeAabbLargeTriMesh,\r
  81         pfxGetShapeAabbDummy,\r
  82         pfxGetShapeAabbDummy,\r
  83         pfxGetShapeAabbDummy,\r
  84         pfxGetShapeAabbDummy,\r
  85         pfxGetShapeAabbDummy,\r
  86         pfxGetShapeAabbDummy,\r
  87 };\r
  88 \r
  89 void PfxShape::getAabb(PfxVector3 &aabbMin,PfxVector3 &aabbMax) const\r
  90 {\r
  91         return pfxFuncGetShapeAabb[m_type](*this,aabbMin,aabbMax);\r
  92 }\r
  93 \r
  94 } //namespace PhysicsEffects\r
  95 } //namespace sce\r