Panda3D
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00001 // Filename: bulletConvexHullShape.cxx 00002 // Created by: enn0x (26Jan10) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #include "bulletConvexHullShape.h" 00016 00017 #include "nodePathCollection.h" 00018 #include "geomNode.h" 00019 #include "geomVertexReader.h" 00020 00021 TypeHandle BulletConvexHullShape::_type_handle; 00022 00023 //////////////////////////////////////////////////////////////////// 00024 // Function: BulletConvexHullShape::Constructor 00025 // Access: Published 00026 // Description: 00027 //////////////////////////////////////////////////////////////////// 00028 BulletConvexHullShape:: 00029 BulletConvexHullShape() { 00030 00031 _shape = new btConvexHullShape(NULL, 0); 00032 _shape->setUserPointer(this); 00033 } 00034 00035 //////////////////////////////////////////////////////////////////// 00036 // Function: BulletConvexHullShape::ptr 00037 // Access: Public 00038 // Description: 00039 //////////////////////////////////////////////////////////////////// 00040 btCollisionShape *BulletConvexHullShape:: 00041 ptr() const { 00042 00043 return _shape; 00044 } 00045 00046 //////////////////////////////////////////////////////////////////// 00047 // Function: BulletConvexHullShape::add_point 00048 // Access: Published 00049 // Description: 00050 //////////////////////////////////////////////////////////////////// 00051 void BulletConvexHullShape:: 00052 add_point(const LPoint3 &p) { 00053 00054 _shape->addPoint(LVecBase3_to_btVector3(p)); 00055 } 00056 00057 //////////////////////////////////////////////////////////////////// 00058 // Function: BulletConvexHullShape::Constructor 00059 // Access: Published 00060 // Description: 00061 //////////////////////////////////////////////////////////////////// 00062 void BulletConvexHullShape:: 00063 add_array(const PTA_LVecBase3 &points) { 00064 00065 _shape = new btConvexHullShape(NULL, 0); 00066 _shape->setUserPointer(this); 00067 00068 PTA_LVecBase3::const_iterator it; 00069 for (it=points.begin(); it!=points.end(); it++) { 00070 LVecBase3 v = *it; 00071 _shape->addPoint(LVecBase3_to_btVector3(v)); 00072 } 00073 } 00074 00075 //////////////////////////////////////////////////////////////////// 00076 // Function: BulletConvexHullShape::Constructor 00077 // Access: Published 00078 // Description: 00079 //////////////////////////////////////////////////////////////////// 00080 void BulletConvexHullShape:: 00081 add_geom(const Geom *geom) { 00082 00083 // Collect points 00084 pvector<LPoint3> points; 00085 00086 CPT(GeomVertexData) vdata = geom->get_vertex_data(); 00087 GeomVertexReader reader = GeomVertexReader(vdata, InternalName::get_vertex()); 00088 00089 while (!reader.is_at_end()) { 00090 points.push_back(reader.get_data3()); 00091 } 00092 00093 // Create shape 00094 _shape = new btConvexHullShape(NULL, 0); 00095 _shape->setUserPointer(this); 00096 00097 pvector<LPoint3>::const_iterator it; 00098 for (it=points.begin(); it!=points.end(); it++) { 00099 _shape->addPoint(LVecBase3_to_btVector3(*it)); 00100 } 00101 } 00102