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use Syoyo Fujita's Wavefront obj loader. made some performance improvements in debug mode for Visual Studio

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use Maya style controls under Windows (need to fix Linux/OSX) use ALT+mouse to rotate, and mouse pick to pick objects
This commit is contained in:
erwincoumans
2013-07-18 15:55:38 -07:00
parent 733f9027fb
commit a5b73e7c76
25 changed files with 496 additions and 1640 deletions
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125
Demos3/GpuDemos/rigidbody/BulletDataExtractor.cpp
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@@ -23,7 +23,7 @@ extern bool enableExperimentalCpuConcaveCollision;
#include "Bullet3Common/b3Matrix3x3.h"
#include "Bullet3OpenCL/NarrowphaseCollision/b3ConvexUtility.h"
#include "OpenGLWindow/ShapeData.h"
#include "../../Wavefront/objLoader.h"
#include "Bullet3OpenCL/RigidBody/b3GpuRigidBodyPipeline.h"
#include "Bullet3OpenCL/RigidBody/b3GpuNarrowPhase.h"
@@ -575,129 +575,6 @@ int b3BulletDataExtractor::createPlaneShape( const Bullet3SerializeBullet2::b3Ve
GraphicsShape* b3BulletDataExtractor::createGraphicsShapeFromWavefrontObj(objLoader* obj)
{
b3AlignedObjectArray<GraphicsVertex>* vertices = new b3AlignedObjectArray<GraphicsVertex>;
{
// int numVertices = obj->vertexCount;
// int numIndices = 0;
b3AlignedObjectArray<int>* indicesPtr = new b3AlignedObjectArray<int>;
/*
for (int v=0;v<obj->vertexCount;v++)
{
vtx.xyzw[0] = obj->vertexList[v]->e[0];
vtx.xyzw[1] = obj->vertexList[v]->e[1];
vtx.xyzw[2] = obj->vertexList[v]->e[2];
b3Vector3 n(vtx.xyzw[0],vtx.xyzw[1],vtx.xyzw[2]);
if (n.length2()>B3_EPSILON)
{
n.normalize();
vtx.normal[0] = n[0];
vtx.normal[1] = n[1];
vtx.normal[2] = n[2];
} else
{
vtx.normal[0] = 0; //todo
vtx.normal[1] = 1;
vtx.normal[2] = 0;
}
vtx.uv[0] = 0.5f;vtx.uv[1] = 0.5f; //todo
vertices->push_back(vtx);
}
*/
for (int f=0;f<obj->faceCount;f++)
{
obj_face* face = obj->faceList[f];
//b3Vector3 normal(face.m_plane[0],face.m_plane[1],face.m_plane[2]);
if (face->vertex_count>=3)
{
b3Vector3 normal(0,1,0);
int vtxBaseIndex = vertices->size();
if (face->vertex_count<=4)
{
indicesPtr->push_back(vtxBaseIndex);
indicesPtr->push_back(vtxBaseIndex+1);
indicesPtr->push_back(vtxBaseIndex+2);
GraphicsVertex vtx0;
vtx0.xyzw[0] = obj->vertexList[face->vertex_index[0]]->e[0];
vtx0.xyzw[1] = obj->vertexList[face->vertex_index[0]]->e[1];
vtx0.xyzw[2] = obj->vertexList[face->vertex_index[0]]->e[2];
vtx0.uv[0] = 0.5;
vtx0.uv[1] = 0.5;
GraphicsVertex vtx1;
vtx1.xyzw[0] = obj->vertexList[face->vertex_index[1]]->e[0];
vtx1.xyzw[1] = obj->vertexList[face->vertex_index[1]]->e[1];
vtx1.xyzw[2] = obj->vertexList[face->vertex_index[1]]->e[2];
vtx1.uv[0] = 0.5;
vtx1.uv[1] = 0.5;
GraphicsVertex vtx2;
vtx2.xyzw[0] = obj->vertexList[face->vertex_index[2]]->e[0];
vtx2.xyzw[1] = obj->vertexList[face->vertex_index[2]]->e[1];
vtx2.xyzw[2] = obj->vertexList[face->vertex_index[2]]->e[2];
vtx2.uv[0] = 0.5;
vtx2.uv[1] = 0.5;
b3Vector3 v0(vtx0.xyzw[0],vtx0.xyzw[1],vtx0.xyzw[2]);
b3Vector3 v1(vtx1.xyzw[0],vtx1.xyzw[1],vtx1.xyzw[2]);
b3Vector3 v2(vtx2.xyzw[0],vtx2.xyzw[1],vtx2.xyzw[2]);
normal = (v1-v0).cross(v2-v0);
normal.normalize();
vtx0.normal[0] = normal[0];
vtx0.normal[1] = normal[1];
vtx0.normal[2] = normal[2];
vtx1.normal[0] = normal[0];
vtx1.normal[1] = normal[1];
vtx1.normal[2] = normal[2];
vtx2.normal[0] = normal[0];
vtx2.normal[1] = normal[1];
vtx2.normal[2] = normal[2];
vertices->push_back(vtx0);
vertices->push_back(vtx1);
vertices->push_back(vtx2);
}
if (face->vertex_count==4)
{
indicesPtr->push_back(vtxBaseIndex);
indicesPtr->push_back(vtxBaseIndex+1);
indicesPtr->push_back(vtxBaseIndex+2);
indicesPtr->push_back(vtxBaseIndex+3);
//
GraphicsVertex vtx3;
vtx3.xyzw[0] = obj->vertexList[face->vertex_index[3]]->e[0];
vtx3.xyzw[1] = obj->vertexList[face->vertex_index[3]]->e[1];
vtx3.xyzw[2] = obj->vertexList[face->vertex_index[3]]->e[2];
vtx3.uv[0] = 0.5;
vtx3.uv[1] = 0.5;
vtx3.normal[0] = normal[0];
vtx3.normal[1] = normal[1];
vtx3.normal[2] = normal[2];
vertices->push_back(vtx3);
}
}
}
GraphicsShape* gfxShape = new GraphicsShape;
gfxShape->m_vertices = &vertices->at(0).xyzw[0];
gfxShape->m_numvertices = vertices->size();
gfxShape->m_indices = &indicesPtr->at(0);
gfxShape->m_numIndices = indicesPtr->size();
for (int i=0;i<4;i++)
gfxShape->m_scaling[i] = 1;//bake the scaling into the vertices
return gfxShape;
}
}
GraphicsShape* b3BulletDataExtractor::createGraphicsShapeFromConvexHull(const b3Vector3* tmpPoints, int numPoints)