Files
bullet3/Demos3/ImportObjDemo/ImportObjSetup.cpp

124 lines
3.3 KiB
C++

#include "ImportObjSetup.h"
#include <vector>
#include "OpenGLWindow/GLInstancingRenderer.h"
#include"../Wavefront/tiny_obj_loader.h"
#include "OpenGLWindow/GLInstanceGraphicsShape.h"
#include "btBulletDynamicsCommon.h"
#include "OpenGLWindow/SimpleOpenGL3App.h"
#include "Wavefront2GLInstanceGraphicsShape.h"
ImportObjDemo::ImportObjDemo(CommonGraphicsApp* app)
:m_app(app)
{
}
ImportObjDemo::~ImportObjDemo()
{
}
void ImportObjDemo::initPhysics(GraphicsPhysicsBridge& gfxBridge)
{
gfxBridge.setUpAxis(2);
this->createEmptyDynamicsWorld();
gfxBridge.createPhysicsDebugDrawer(m_dynamicsWorld);
m_dynamicsWorld->getDebugDrawer()->setDebugMode(btIDebugDraw::DBG_DrawWireframe);
const char* fileName = "samurai_monastry.obj";
char relativeFileName[1024];
const char* prefix[]={"./data/","../data/","../../data/","../../../data/","../../../../data/"};
int prefixIndex=-1;
{
int numPrefixes = sizeof(prefix)/sizeof(char*);
for (int i=0;i<numPrefixes;i++)
{
FILE* f = 0;
sprintf(relativeFileName,"%s%s",prefix[i],fileName);
f = fopen(relativeFileName,"r");
if (f)
{
fclose(f);
prefixIndex = i;
break;
}
}
}
if (prefixIndex<0)
return;
btVector3 shift(0,0,0);
btVector3 scaling(10,10,10);
// int index=10;
{
std::vector<tinyobj::shape_t> shapes;
std::string err = tinyobj::LoadObj(shapes, relativeFileName, prefix[prefixIndex]);
GLInstanceGraphicsShape* gfxShape = btgCreateGraphicsShapeFromWavefrontObj(shapes);
btTransform trans;
trans.setIdentity();
trans.setRotation(btQuaternion(btVector3(1,0,0),SIMD_HALF_PI));
btVector3 position = trans.getOrigin();
btQuaternion orn = trans.getRotation();
btVector3 color(0,0,1);
int shapeId = m_app->m_renderer->registerShape(&gfxShape->m_vertices->at(0).xyzw[0], gfxShape->m_numvertices, &gfxShape->m_indices->at(0), gfxShape->m_numIndices);
//int id =
m_app->m_renderer->registerGraphicsInstance(shapeId,position,orn,color,scaling);
/*
btTriangleMesh* trimeshData = new btTriangleMesh();
for (int i=0;i<gfxShape->m_numvertices;i++)
{
for (int j=0;j<3;j++)
gfxShape->m_vertices->at(i).xyzw[j] += shift[j];
}
for (int i=0;i<gfxShape->m_numIndices;i+=3)
{
int index0 = gfxShape->m_indices->at(i);
int index1 = gfxShape->m_indices->at(i+1);
int index2 = gfxShape->m_indices->at(i+2);
btVector3 v0(gfxShape->m_vertices->at(index0).xyzw[0],
gfxShape->m_vertices->at(index0).xyzw[1],
gfxShape->m_vertices->at(index0).xyzw[2]);
btVector3 v1(gfxShape->m_vertices->at(index1).xyzw[0],
gfxShape->m_vertices->at(index1).xyzw[1],
gfxShape->m_vertices->at(index1).xyzw[2]);
btVector3 v2(gfxShape->m_vertices->at(index2).xyzw[0],
gfxShape->m_vertices->at(index2).xyzw[1],
gfxShape->m_vertices->at(index2).xyzw[2]);
trimeshData->addTriangle(v0,v1,v2);
}
//btConvexHullShape* convexShape = new btConvexHullShape(&verts[0].x(),verts.size(),sizeof(btVector3));
btBvhTriangleMeshShape* shape = new btBvhTriangleMeshShape(trimeshData,true);//meshInterface);
btTransform startTrans;startTrans.setIdentity();
btRigidBody* body = this->createRigidBody(0,startTrans,shape);
//gfxBridge.createCollisionShapeGraphicsObject(shape);
btVector3 color(0,0,1);
*/
//gfxBridge.createRigidBodyGraphicsObject(body,color);
}
}