bullet3/examples/Importers/ImportSTLDemo/ImportSTLSetup.cpp

104 lines
2.4 KiB
C++

#include "ImportSTLSetup.h"
#include <vector>
#include "../OpenGLWindow/GLInstancingRenderer.h"
#include "../OpenGLWindow/GLInstanceGraphicsShape.h"
#include "btBulletDynamicsCommon.h"
#include "../OpenGLWindow/SimpleOpenGL3App.h"
#include "LoadMeshFromSTL.h"
#include "../CommonInterfaces/CommonRigidBodyBase.h"
#include "../../Utils/b3ResourcePath.h"
class ImportSTLSetup : public CommonRigidBodyBase
{
const char* m_fileName;
btVector3 m_scaling;
public:
ImportSTLSetup(struct GUIHelperInterface* helper, const char* fileName);
virtual ~ImportSTLSetup();
virtual void initPhysics();
virtual void resetCamera()
{
float dist = 3.5;
float pitch = -28;
float yaw = -136;
float targetPos[3]={0.47,0,-0.64};
m_guiHelper->resetCamera(dist,yaw,pitch,targetPos[0],targetPos[1],targetPos[2]);
}
};
ImportSTLSetup::ImportSTLSetup(struct GUIHelperInterface* helper, const char* fileName)
:CommonRigidBodyBase(helper),
m_scaling(btVector3(10,10,10))
{
if (fileName)
{
m_fileName = fileName;
m_scaling = btVector3(0.01,0.01,0.01);
} else
{
m_fileName = "l_finger_tip.stl";
}
}
ImportSTLSetup::~ImportSTLSetup()
{
}
void ImportSTLSetup::initPhysics()
{
m_guiHelper->setUpAxis(2);
this->createEmptyDynamicsWorld();
m_guiHelper->createPhysicsDebugDrawer(m_dynamicsWorld);
m_dynamicsWorld->getDebugDrawer()->setDebugMode(btIDebugDraw::DBG_DrawWireframe);
char relativeFileName[1024];
if (!b3ResourcePath::findResourcePath(m_fileName, relativeFileName, 1024))
{
b3Warning("Cannot find file %s\n", m_fileName);
return;
}
btVector3 shift(0,0,0);
// int index=10;
{
GLInstanceGraphicsShape* gfxShape = LoadMeshFromSTL(relativeFileName);
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_guiHelper->getRenderInterface()->registerShape(&gfxShape->m_vertices->at(0).xyzw[0], gfxShape->m_numvertices, &gfxShape->m_indices->at(0), gfxShape->m_numIndices);
m_guiHelper->getRenderInterface()->registerGraphicsInstance(shapeId,position,orn,color,m_scaling);
}
}
class CommonExampleInterface* ImportSTLCreateFunc(struct CommonExampleOptions& options)
{
return new ImportSTLSetup(options.m_guiHelper, options.m_fileName);
}