Exemplo n.º 1
0
bool Cloud2CloudDist::Compute(const Cloth& cloth,
	const wl::PointCloud& pc,
	double class_threshold,
	std::vector<int>& groundIndexes,
	std::vector<int>& offGroundIndexes,
	unsigned N/*=3*/)
{

	try
	{
		//ÕÒµ½Ã¿¸ö¼¤¹âÀ×´ïµãµ½²¼ÁÏÖ±½ÓµÄ¾àÀ룬ÓøþàÀëãÐÖµÀ´¶ÔµãÔƽøÐзÖÀà
		//Ë«ÏßÐÔ²åÖµ
		// for each lidar point, find the projection in the cloth grid, and the sub grid which contains it.
		//use the four corner of the subgrid to do bilinear interpolation;
		for (int i = 0; i < pc.size(); i++)
		{
			double pc_x = pc[i].x;
			double pc_z = pc[i].z;
			//½«¸Ã×ø±êÓë²¼ÁϵÄ×óÉϽÇ×ø±êÏà¼õ
			double deltaX = pc_x - cloth.origin_pos.x;
			double deltaZ = pc_z - cloth.origin_pos.z;
			//µÃµ½¼¤¹âµãËùÔÚ²¼ÁÏСÍø¸ñ×óÉϽǵÄ×ø±ê ¼ÙÉèËĸö½Çµã·Ö±ðΪ0 1 2 3 ˳ʱÕë±àºÅ
			int col0 = int(deltaX / cloth.step_x);
			int row0 = int(deltaZ / cloth.step_y);
			int col1 = col0 + 1;
			int row1 = row0;
			int col2 = col0 + 1;
			int row2 = row0 + 1;
			int col3 = col0;
			int row3 = row0 + 1;
			//ÒÔ×ÓÍø¸ñ×óÉϽǽ¨Á¢×ø±êϵ£¬²¢½«Æä¹éÒ»»¯µ½[0,1]
			double subdeltaX = (deltaX - col0*cloth.step_x) / cloth.step_x;
			double subdeltaZ = (deltaZ - row0*cloth.step_y) / cloth.step_y;
			//cout << subdeltaX << " " << subdeltaZ << endl;
			//Ë«ÏßÐÔ²åÖµ bilinear interpolation;
			//f(x,y)=f(0,0)(1-x)(1-y)+f(0,1)(1-x)y+f(1,1)xy+f(1,0)x(1-y)
			double fxy = cloth.getParticle(col0, row0).pos.y * (1 - subdeltaX)*(1 - subdeltaZ)
				+ cloth.getParticle(col3, row3).pos.y * (1 - subdeltaX)*subdeltaZ
				+ cloth.getParticle(col2, row2).pos.y * subdeltaX*subdeltaZ
				+ cloth.getParticle(col1, row1).pos.y * subdeltaX*(1 - subdeltaZ);
			double height_var = fxy - pc[i].y;
			if (std::fabs(height_var) < class_threshold)
			{
				groundIndexes.push_back(i);
			}
			else
			{
				offGroundIndexes.push_back(i);
			}

		}
	}
	catch (const std::bad_alloc&)
	{
		//not enough memory
		return false;
	}

	return true;
}
Exemplo n.º 2
0
bool Cloud2CloudDist::Compute(const Cloth& cloth,
	const wl::PointCloud& pc,
	double class_threshold,
	std::vector<int>& groundIndexes,
	std::vector<int>& offGroundIndexes,
	unsigned N/*=3*/)
{
	try
	{
		std::list<Point_d> points_2d;
		std::map<std::string, double >mapstring;

		// maping coordinates xy->z  to query the height value of each point
		for (int i = 0; i < cloth.getSize(); i++)
		{
			const Particle& particle = cloth.getParticleByIndex(i);
			std::ostringstream ostrx, ostrz;
			ostrx << particle.pos.x;
			ostrz << particle.pos.z;
			mapstring.insert(std::pair<std::string, double>(ostrx.str() + ostrz.str(), particle.pos.y));
			points_2d.push_back(Point_d(particle.pos.x, particle.pos.z));
		}

		Tree tree(points_2d.begin(), points_2d.end());
		// step two  query the nearest point of cloth for each terrain point
		for (int i = 0; i < pc.size(); i++)
		{
			Point_d query(pc[i].x, pc[i].z);
			Neighbor_search search(tree, query, N);
			double search_min = 0;
			for (Neighbor_search::iterator it = search.begin(); it != search.end(); it++)
			{
				std::ostringstream ostrx, ostrz;
				ostrx << it->first.x();
				ostrz << it->first.y();
				double y = mapstring[ostrx.str() + ostrz.str()];
				search_min = search_min + y / N;
				//if (y > search_min)
				//{
				//	search_min = y;
				//}
			}
			if (std::fabs(search_min - pc[i].y) < class_threshold)
			{
				groundIndexes.push_back(i);
			}
			else
			{
				offGroundIndexes.push_back(i);
			}
		}
	}
	catch (const std::bad_alloc&)
	{
		//not enough memory
		return false;
	}

	return true;
}
Exemplo n.º 3
0
void display(void)
{
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glLoadIdentity();
	glClearColor(1, 1, 1, 0); //white background
	glEnable(GL_LIGHTING);

	Vector ballLocation(10, -5, 5); 
	float timeStep = .5;
	float radius = 3;
	//cloth
	cloth.clothCalculations(); 
	cloth.gravity(Vector(0, 0, 0.2)*timeStep);
	cloth.ballCollision(ballLocation, radius); 

	glTranslatef(-5, 5, -10);
	glRotatef(120, 1, 0, 0); 
	cloth.draw(); 
	//ball
	glPushMatrix();
		glColor3f(0.0f, 0.0f, 1.0f);  //blue
		glTranslatef(ballLocation.v[0], ballLocation.v[1], ballLocation.v[2]); 
		glutSolidSphere(radius-.1, 20, 20); 
	glPopMatrix();

	glutSwapBuffers();
	glutPostRedisplay();
}
Exemplo n.º 4
0
Cloth *ClothCreate(int w,int h,float size)
{
       // simple cloth generation routine that creates a typical square cloth.
       // better to use a real pipeline to generate these, this is just for testing.
       int i,j;
       Cloth *cloth = new Cloth("cloth",w*h);
       cloth->w=w;
       cloth->h=h; // later for rendering.
       for(i=0;i<h;i++)
        for(j=0;j<w;j++)
       {
               cloth->X[i*w+j] = (float3(-0.5f,-0.5f,0)+float3((float)j/(w-1.0f),1.0f-(float)i/(h-1.0f),0)) * size;
       }
       for(i=0;i<h;i++)
        for(j=0;j<w;j++)
       {
               if(i<h-1)        cloth->CreateSpring(SPRING_STRUCT,i*w+j,(i+1)*w+j);     // structural
               if(j<w-1)        cloth->CreateSpring(SPRING_STRUCT,i*w+j,i*w+(j+1));     // structural
               if(j<w-1&&i<h-1) cloth->CreateSpring(SPRING_SHEAR ,i*w+j,(i+1)*w+(j+1)); // shear
               if(j>0  &&i<h-1) cloth->CreateSpring(SPRING_SHEAR ,i*w+j,(i+1)*w+(j-1)); // shear
               if(i<h-2)        cloth->CreateSpring(SPRING_BEND  ,i*w+j,(i+2)*w+j);     // benders
               if(j<w-2)        cloth->CreateSpring(SPRING_BEND  ,i*w+j,i*w+(j+2));     // benders
       }
       cloth->UpdateLimits();
       return cloth;
}
Exemplo n.º 5
0
void ClothDemo::Update(float duration)
{
	if (duration <= 0.0f)
		return;

	cloth.addForce(Vector3(0.0, -0.02, 0.0));
	cloth.addWindForce(Vector3(0.5, 0, 0.2));
	cloth.timeStep(duration);
	cloth.ballCollision(sphere);
}
Exemplo n.º 6
0
VerletTest1::VerletTest1(Screen *s): VerletLevel(s){
    //Player starting position
    _startPos = Vector3(-1,3,1.5);
    _player->setPos(_startPos);

    //MANAGERS
    CollectibleManager* cm = new CollectibleManager(this,_player);
    this->addManager(cm);

    //VERLETS
    int angle = 270;
    float size = .3;
    Cloth* start = new Cloth(Vector2(12,12), size, Vector3(0,0,0), Y, _vManager, angle);
    start->pinCorners();
    Cloth* end = new Cloth(Vector2(12,12), size, Vector3(-26,4,0), Y, _vManager, angle);
    end->pinCorners();
    _vManager->addVerlet(end);
    _vManager->addVerlet(start);

    Cloth* c1 = new Cloth(Vector2(12,90), size, Vector3(-3.5,0,0), Y, _vManager, angle);
    //Offset further two corners, to give cloth some slack
    Vector3 test1 = c1->getPoint(c1->getCorner(2));
    Vector3 test2 = c1->getPoint(c1->getCorner(3));
    c1->setPos(c1->getCorner(2),Vector3(-25,test1.y,test1.z));
    c1->setPos(c1->getCorner(3),Vector3(-25,test2.y,test2.z));
    _vManager->addVerlet(c1);

    //CONSTRAINTS
    //Constrain corners to translation on y-axis
    _cManager->addConstraint(new TranslationConstraint(c1->getCorner(0), Y, 5, c1));
    _cManager->addConstraint(new TranslationConstraint(c1->getCorner(1), Y, 5, c1));
    _cManager->addConstraint(new TranslationConstraint(c1->getCorner(2), Y, 5, c1));
    _cManager->addConstraint(new TranslationConstraint(c1->getCorner(3), Y, 5, c1));
    //Create player-controlled constraint
    _cManager->addConstraint(new TranslationConstraint(6, Y, 7, c1,true));

    //COLLECTIBLES
    float offsetZ = 1.5;
    cm->addCollectible(new Token(Vector3(-4,-1,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-7,-2,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-10,-1,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-13,0,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-16,1,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-19,2,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-22,1,offsetZ),_player));
    //Randomly distributed
    cm->addCollectible(new Token(Vector3(-2,-1.2,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-4,-0.3,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-11,.3,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-14,0.1,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-16,-.2,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-18,.14,offsetZ),_player));
    cm->addCollectible(new Token(Vector3(-21,1,offsetZ),_player));
}
Exemplo n.º 7
0
Cloth* createFreeCloth(NxScene* scene, osg::Vec3f origin)
{
	Cloth *regularCloth = new Cloth(scene, origin, 8.0f, 8.0f, 0.2f, 0);
	if (!regularCloth->getNxCloth())
	{
		printf("Error: Unable to create the cloth for the current scene.\n");
		delete regularCloth;
	} else
	{		
		//regularCloth->getNxCloth()->attachToShape(*capsule->getShapes(), 0);
	}
	return regularCloth;
}
Exemplo n.º 8
0
Cloth* createAttachedCloth(NxScene* scene, osg::Vec3f origin)
{
	float w = 8.0f;
	float h = 8.0f;
	float d = 0.2f;
	Cloth *regularCloth = new Cloth(scene, origin, w, h, d, 0);
	if (!regularCloth->getNxCloth())
	{
		printf("Error: Unable to create the cloth for the current scene.\n");
		delete regularCloth;
	} else
	{	
		int numX = (int)(w/d)+1;
		int numY = (int)(h/d)+1;
		int i1 = 0;
		NxVec3 p1 = regularCloth->getNxCloth()->getPosition(i1);
		int i2 = numX;
		NxVec3 p2 = regularCloth->getNxCloth()->getPosition(i2);
		int i3 = numX*(numY+1);
		NxVec3 p3 = regularCloth->getNxCloth()->getPosition(i3);
		int i4 = (numX+1)*(numY+1)-1;
		NxVec3 p4 = regularCloth->getNxCloth()->getPosition(i4);

		regularCloth->getNxCloth()->attachVertexToGlobalPosition(i1,p1);
		regularCloth->getNxCloth()->attachVertexToGlobalPosition(i2,p2);
		regularCloth->getNxCloth()->attachVertexToGlobalPosition(i3,p3);
		regularCloth->getNxCloth()->attachVertexToGlobalPosition(i4,p4);
	}
	return regularCloth;
}
Exemplo n.º 9
0
void Draw(const TimeStep &ts) {	

	Vector2 m = ScreenToWorld(Vector2(mouse.posX,mouse.posY), camera, window);
//	jworld.Step(ts.dt, m);
	cloth.Step(m, ts.dt);

	if(!editor.editMode) {
		camera.position = world->dude->body.GetPosition();
	}

	renderer.ClearScreen();
	renderer.SetWorldViewMatrix(camera);

//	for(size_t i = 0; i < world->entities.size(); i++)	{	
//		world->entities[i]->render->Update(ts.dt);
//		world->entities[i]->render->Draw(&renderer);
//	}

//	for(size_t i = 0; i < numParticles; i++)	{	
//		renderer.DrawCircle(jworld.particles[i].x, 0.2, Color4f(1.0f, 0.0f, 0.0f, 1.0f));
//	}

	for(size_t i = 0; i < cloth.joint; i++)	{	
		renderer.DrawCapsule(cloth.joints[i].p0->x, cloth.joints[i].p1->x,  0.1f, Color4f(1.0f, 0.0f, 0.0f, 1.0f));
	}

//	editor.Draw(renderer);
	
	renderer.SwapBuffers();
}
Exemplo n.º 10
0
void ClothDemo::Render()
{
	DrawGrid(Vector3(20, 0, 20));

	glTranslatef(-2, 8, -2);
	glRotatef(45, 0, 1, 0);

	cloth.draw();

	const static GLfloat lightPosition[] = { 0, 3, 8, 0 };

	glEnable(GL_DEPTH_TEST);
	glEnable(GL_LIGHTING);
	glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
	glEnable(GL_LIGHT0);
	glEnable(GL_COLOR_MATERIAL);
	glPushMatrix();
	glTranslatef(sphere.pos.x, sphere.pos.y, sphere.pos.z);
	glColor3f(0.9f, 1.0f, 0.0f);
	glutSolidSphere(sphere.radius - 0.1, 50, 50);
	glPopMatrix();
	glDisable(GL_COLOR_MATERIAL);
	glDisable(GL_LIGHTING);
	glDisable(GL_LIGHT0);
}
Exemplo n.º 11
0
void cloth::SwFactory::extractCollisionData(const Cloth& cloth, Range<PxVec4> spheres, Range<uint32_t> capsules,
                                            Range<PxVec4> planes, Range<uint32_t> convexes, Range<PxVec3> triangles) const
{
	PX_ASSERT(&cloth.getFactory() == this);

	const SwCloth& swCloth = static_cast<const SwClothImpl&>(cloth).mCloth;

	PX_ASSERT(spheres.empty() || spheres.size() == swCloth.mStartCollisionSpheres.size());
	PX_ASSERT(capsules.empty() || capsules.size() == swCloth.mCapsuleIndices.size() * 2);
	PX_ASSERT(planes.empty() || planes.size() == swCloth.mStartCollisionPlanes.size());
	PX_ASSERT(convexes.empty() || convexes.size() == swCloth.mConvexMasks.size());
	PX_ASSERT(triangles.empty() || triangles.size() == swCloth.mStartCollisionTriangles.size());

	if(!swCloth.mStartCollisionSpheres.empty() && !spheres.empty())
		memcpy(spheres.begin(), &swCloth.mStartCollisionSpheres.front(),
		       swCloth.mStartCollisionSpheres.size() * sizeof(PxVec4));

	if(!swCloth.mCapsuleIndices.empty() && !capsules.empty())
		memcpy(capsules.begin(), &swCloth.mCapsuleIndices.front(), swCloth.mCapsuleIndices.size() * sizeof(IndexPair));

	if(!swCloth.mStartCollisionPlanes.empty() && !planes.empty())
		memcpy(planes.begin(), &swCloth.mStartCollisionPlanes.front(),
		       swCloth.mStartCollisionPlanes.size() * sizeof(PxVec4));

	if(!swCloth.mConvexMasks.empty() && !convexes.empty())
		memcpy(convexes.begin(), &swCloth.mConvexMasks.front(), swCloth.mConvexMasks.size() * sizeof(uint32_t));

	if(!swCloth.mStartCollisionTriangles.empty() && !triangles.empty())
		memcpy(triangles.begin(), &swCloth.mStartCollisionTriangles.front(),
		       swCloth.mStartCollisionTriangles.size() * sizeof(PxVec3));
}
Exemplo n.º 12
0
/* display method called each frame*/
void display(void)
{
	// calculating positions
    
	ball_time++;
	ball_pos.f[2] = cos(ball_time/50.0)*7;
    
	cloth1.addForce(Vec3(0,-0.2,0)*TIME_STEPSIZE2); // add gravity each frame, pointing down
	cloth1.windForce(Vec3(0.5,0,0.2)*TIME_STEPSIZE2); // generate some wind each frame
	cloth1.timeStep(); // calculate the particle positions of the next frame
	cloth1.ballCollision(ball_pos,ball_radius); // resolve collision with the ball
    
    
	// drawing
    
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glLoadIdentity();
    
	glDisable(GL_LIGHTING); // drawing some smooth shaded background - because I like it ;)
	glBegin(GL_POLYGON);
	glColor3f(0.8f,0.8f,1.0f);
	glVertex3f(-200.0f,-100.0f,-100.0f);
	glVertex3f(200.0f,-100.0f,-100.0f);
	glColor3f(0.4f,0.4f,0.8f);
	glVertex3f(200.0f,100.0f,-100.0f);
	glVertex3f(-200.0f,100.0f,-100.0f);
	glEnd();
	glEnable(GL_LIGHTING);
    
    glTranslatef(0.0f, 0.25f, z);
    glRotatef(xRot, 1.0f, 0.0f, 0.0f);
    glRotatef(yRot, 0.0f, 1.0f, 0.0f);
    
	//glTranslatef(-6.5,6,-9.0f); // move camera out and center on the cloth
	//glRotatef(25,0,1,0); // rotate a bit to see the cloth from the side
	cloth1.drawShaded(myImage); // finally draw the cloth with smooth shading
	
	glPushMatrix(); // to draw the ball we use glutSolidSphere, and need to draw the sphere at the position of the ball
	glTranslatef(ball_pos.f[0],ball_pos.f[1],ball_pos.f[2]); // hence the translation of the sphere onto the ball position
	glColor3f(0.4f,0.8f,0.5f);
	glutSolidSphere(ball_radius-0.1,50,50); // draw the ball, but with a slightly lower radius, otherwise we could get ugly visual artifacts of cloth penetrating the ball slightly
	glPopMatrix();
    
	glutSwapBuffers();
	glutPostRedisplay();
}
Exemplo n.º 13
0
void cloth::SwFactory::extractVirtualParticles(const Cloth& cloth, 
	Range<uint32_t[4]> indices, Range<PxVec3> weights) const
{
	PX_ASSERT(this == &cloth.getFactory());

	const SwCloth& swCloth = static_cast<const SwClothImpl&>(cloth).mCloth;

	uint32_t numIndices = cloth.getNumVirtualParticles();
	uint32_t numWeights = cloth.getNumVirtualParticleWeights();

	PX_ASSERT(indices.size() == numIndices || indices.empty());	
	PX_ASSERT(weights.size() == numWeights || weights.empty());

	if ( weights.size() == numWeights )
	{
		PxVec3* wDestIt = reinterpret_cast<PxVec3*>(weights.begin());

		// convert weights from vec4 to vec3
		cloth::Vec4fAlignedVector::ConstIterator wIt = swCloth.mVirtualParticleWeights.begin();
		cloth::Vec4fAlignedVector::ConstIterator wEnd= wIt + numWeights;

		for (; wIt != wEnd; ++wIt, ++wDestIt)
			*wDestIt = PxVec3(wIt->x, wIt->y, wIt->z);

		PX_ASSERT(wDestIt == weights.end());
	}
	if ( indices.size() == numIndices )
	{
		// convert indices
		Vec4u* iDestIt = reinterpret_cast<Vec4u*>(indices.begin());	
		Vector<Vec4us>::Type::ConstIterator iIt = swCloth.mVirtualParticleIndices.begin();
		Vector<Vec4us>::Type::ConstIterator iEnd = swCloth.mVirtualParticleIndices.end();

		uint32_t numParticles = uint32_t(swCloth.mCurParticles.size());

		for (; iIt != iEnd; ++iIt)
		{
			// skip dummy indices
			if (iIt->x < numParticles)
				// byte offset to element index
				*iDestIt++ = Vec4u(*iIt);
		}

		PX_ASSERT(&array(*iDestIt) == indices.end());
	}
}
Exemplo n.º 14
0
void cloth::SwFactory::extractParticleAccelerations(const Cloth& cloth, Range<PxVec4> destAccelerations) const
{
	PX_ASSERT(&cloth.getFactory() == this);

	const SwCloth& swCloth = static_cast<const SwClothImpl&>(cloth).mCloth;

	if(!swCloth.mParticleAccelerations.empty())
	{
		// make sure dest array is big enough
		PX_ASSERT(destAccelerations.size() == swCloth.mParticleAccelerations.size());

		memcpy(destAccelerations.begin(), &swCloth.mParticleAccelerations.front(),
		       swCloth.mParticleAccelerations.size() * sizeof(PxVec4));
	}
}
Exemplo n.º 15
0
void	ImplicitClothExample::stepSimulation(float deltaTime)
{
    m_cloth->Simulate(deltaTime);
    m_cloth->cloth_gravity.y = -9.8;//-9.8;//-9.8;//-9.8;//0;//-9.8;//0;//-9.8;//0;//-9.8;
    m_cloth->cloth_gravity.z =-9.8;//0;//-9.8;//0;//-9.8;

    m_cloth->spring_struct=10000000.0f;
    m_cloth->spring_shear=10000000.0f;

    //m_cloth->spring_struct=1000000.0f;
    //m_cloth->spring_shear=1000000.0f;

    m_cloth->spring_damp = 0;//100;


}
Exemplo n.º 16
0
void main(int argc, char **argv) {

	glutInit(&argc, argv);
	window.width = 1024;
	window.height = 1024;
	glutInitWindowSize(window.width, window.height);
	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);


	window.id = glutCreateWindow("LOL BRO");
	world = new World;

	glutDisplayFunc(MainLoop);
	//glutIdleFunc(MainLoop);
	glutMotionFunc(MouseActiveMotion);
	glutPassiveMotionFunc(MousePassiveMotion);


	//glfwEnable(GLFW_STICKY_KEYS);
	//glfwEnable(GLFW_STICKY_MOUSE_BUTTONS);
	editor.glui = GLUI_Master.create_glui_subwindow(window.id, GLUI_SUBWINDOW_RIGHT );
	


	GLUI_Master.set_glutIdleFunc(MainLoop);
	GLUI_Master.set_glutKeyboardFunc(Keyboard);
	GLUI_Master.set_glutSpecialFunc(SpecialKey);
	GLUI_Master.set_glutMouseFunc(MouseButton);
	GLUI_Master.set_glutReshapeFunc(Resize);
	 
	glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
	
	int seed = 0x18a8c1db;  // LOL BRO
	srand(seed);

	editor.CreateControls();
	renderer.Init();
	Init();
	jworld.Init();
	cloth.Init();

	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();


	glutMainLoop();
}
Exemplo n.º 17
0
void cloth::SwFactory::extractSeparationConstraints(const Cloth& cloth, Range<PxVec4> destConstraints) const
{
	PX_ASSERT(&cloth.getFactory() == this);

	const SwCloth& swCloth = static_cast<const SwClothImpl&>(cloth).mCloth;

	Vec4fAlignedVector const& srcConstraints = !swCloth.mSeparationConstraints.mTarget.empty()
	                                               ? swCloth.mSeparationConstraints.mTarget
	                                               : swCloth.mSeparationConstraints.mStart;

	if(!srcConstraints.empty())
	{
		// make sure dest array is big enough
		PX_ASSERT(destConstraints.size() == srcConstraints.size());

		memcpy(destConstraints.begin(), &srcConstraints.front(), srcConstraints.size() * sizeof(PxVec4));
	}
}
Exemplo n.º 18
0
/**读取衣片  目前是直接写入 loc当前衣服种类*/
bool Garment::readCloth(char * loc){
	//自己写入   allCloth  PXWIDTH
	
	Cloth *tmp = new Cloth();
	if(!tmp->readClothFile(1)){
		perror("Cloth readClothFile 错误\n");
	}
	allCloth.push_back(*tmp);

	tmp = new Cloth();
	if(!tmp->readClothFile(2)){
		perror("Cloth readClothFile 错误\n");	
	}
	allCloth.push_back(*tmp);


	tmp = new Cloth();
	if(!tmp->readClothFile(3)){
		perror("Cloth readClothFile 错误\n");	
	}
	allCloth.push_back(*tmp);


	tmp = new Cloth();
	if(!tmp->readClothFile(4)){
		perror("Cloth readClothFile 错误\n");	
	}
	allCloth.push_back(*tmp);
	
	tmp = new Cloth();
	if(!tmp->readClothFile(5)){
		perror("Cloth readClothFile 错误\n");	
	}
	allCloth.push_back(*tmp);
	
	tmp = new Cloth();
	if(!tmp->readClothFile(6)){
		perror("Cloth readClothFile 错误\n");	
	}
	allCloth.push_back(*tmp);

	return true;
}
Exemplo n.º 19
0
bool Cloud2CloudDist::Compute(	const Cloth& cloth,
								const wl::PointCloud& pc,
								double class_threshold,
								std::vector<int>& groundIndexes,
								std::vector<int>& offGroundIndexes,
								unsigned N/*=3*/)
{
	CCLib::SimpleCloud particlePoints;
	if (!particlePoints.reserve(static_cast<unsigned>(cloth.getSize())))
	{
		//not enough memory
		return false;
	}
	for (int i = 0; i < cloth.getSize(); i++)
	{
		const Particle& particle = cloth.getParticleByIndex(i);
		particlePoints.addPoint(CCVector3(static_cast<PointCoordinateType>(particle.pos.x), 0, static_cast<PointCoordinateType>(particle.pos.z)));
	}

	CCLib::SimpleCloud pcPoints;
	if (	!pcPoints.reserve(static_cast<unsigned>(pc.size()))
		||	!pcPoints.enableScalarField())
	{
		//not enough memory
		return false;
	}
	for (size_t i = 0; i < pc.size(); i++)
	{
		const wl::Point& P = pc[i];
		pcPoints.addPoint(CCVector3(P.x, 0, P.z));
	}

	try
	{
		//we spatially 'synchronize' the cloud and particles octrees
		CCLib::DgmOctree *cloudOctree = 0, *particleOctree = 0;
		CCLib::DistanceComputationTools::SOReturnCode soCode =
			CCLib::DistanceComputationTools::synchronizeOctrees
			(
			&particlePoints,
			&pcPoints,
			particleOctree,
			cloudOctree,
			0,
			0
			);

		if (soCode != CCLib::DistanceComputationTools::SYNCHRONIZED && soCode != CCLib::DistanceComputationTools::DISJOINT)
		{
			//not enough memory (or invalid input)
			return false;
		}

		//additional parameters
		void* additionalParameters[] = {(void*)(&cloth),
										(void*)(particleOctree),
										(void*)(&N)
		};

		int octreeLevel = particleOctree->findBestLevelForAGivenPopulationPerCell(std::max<unsigned>(2, N));

		int result = cloudOctree->executeFunctionForAllCellsAtLevel(
			octreeLevel,
			ComputeMeanNeighborAltitude,
			additionalParameters,
			true,
			0,
			"Rasterization",
			QThread::idealThreadCount());

		delete cloudOctree;
		cloudOctree = 0;

		delete particleOctree;
		particleOctree = 0;

		if (result == 0)
		{
			//something went wrong
			return false;
		}

		//now classify the points
		for (unsigned i = 0; i < pcPoints.size(); ++i)
		{
			if (std::fabs(pcPoints.getPointScalarValue(i) - pc[i].y) < class_threshold)
			{
				groundIndexes.push_back(i);
			}
			else
			{
				offGroundIndexes.push_back(i);
			}
		}

	}
	catch (const std::bad_alloc&)
	{
		//not enough memory
		return false;
	}

	return true;
}
Exemplo n.º 20
0
void ClothDemo::DebugRender()
{
	cloth.debugDraw();
}