Panda3D
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00001 // Filename: bulletConvexPointCloudShape.cxx 00002 // Created by: enn0x (30Jan10) 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 "bulletConvexPointCloudShape.h" 00016 00017 #include "geomVertexReader.h" 00018 00019 TypeHandle BulletConvexPointCloudShape::_type_handle; 00020 00021 //////////////////////////////////////////////////////////////////// 00022 // Function: BulletConvexPointCloudShape::Constructor 00023 // Access: Published 00024 // Description: 00025 //////////////////////////////////////////////////////////////////// 00026 BulletConvexPointCloudShape:: 00027 BulletConvexPointCloudShape(const PTA_LVecBase3 &points, LVecBase3 scale) { 00028 00029 btVector3 btScale = LVecBase3_to_btVector3(scale); 00030 00031 // Convert points 00032 btVector3 *btPoints = new btVector3[points.size()]; 00033 00034 int i = 0; 00035 PTA_LVecBase3::const_iterator it; 00036 for (it=points.begin(); it!=points.end(); it++) { 00037 btPoints[i] = LVecBase3_to_btVector3(*it); 00038 i++; 00039 } 00040 00041 // Create shape 00042 _shape = new btConvexPointCloudShape(btPoints, points.size(), btScale); 00043 _shape->setUserPointer(this); 00044 } 00045 00046 //////////////////////////////////////////////////////////////////// 00047 // Function: BulletConvexPointCloudShape::ptr 00048 // Access: Public 00049 // Description: 00050 //////////////////////////////////////////////////////////////////// 00051 btCollisionShape *BulletConvexPointCloudShape:: 00052 ptr() const { 00053 00054 return _shape; 00055 } 00056 00057 //////////////////////////////////////////////////////////////////// 00058 // Function: BulletConvexPointCloudShape::Constructor 00059 // Access: Published 00060 // Description: 00061 //////////////////////////////////////////////////////////////////// 00062 BulletConvexPointCloudShape:: 00063 BulletConvexPointCloudShape(const Geom *geom, LVecBase3 scale) { 00064 00065 btVector3 btScale = LVecBase3_to_btVector3(scale); 00066 00067 // Collect points 00068 pvector<LPoint3> points; 00069 00070 CPT(GeomVertexData) vdata = geom->get_vertex_data(); 00071 GeomVertexReader reader = GeomVertexReader(vdata, InternalName::get_vertex()); 00072 00073 while (!reader.is_at_end()) { 00074 points.push_back(reader.get_data3()); 00075 } 00076 00077 // Convert points 00078 btVector3 *btPoints = new btVector3[points.size()]; 00079 00080 int i = 0; 00081 pvector<LPoint3>::const_iterator it; 00082 for (it=points.begin(); it!=points.end(); it++) { 00083 btPoints[i] = LVecBase3_to_btVector3(*it); 00084 i++; 00085 } 00086 00087 // Create 00088 _shape = new btConvexPointCloudShape(btPoints, points.size(), btScale); 00089 _shape->setUserPointer(this); 00090 } 00091