public Physics() { CLStuff.InitCL(); cloths = new Cloth[numFlags]; for (int flagIndex = 0; flagIndex < numFlags; ++flagIndex) { cloths[flagIndex] = new Cloth(); cloths[flagIndex].CreateBuffers(clothWidth, clothHeight); } gSolver = new OpenCLSoftBodySolver(CLStuff.commandQueue, CLStuff.cxMainContext); softBodyOutput = new SoftBodySolverOutputCLToCpu(); // collision configuration contains default setup for memory, collision setup CollisionConf = new SoftBodyRigidBodyCollisionConfiguration(); Dispatcher = new CollisionDispatcher(CollisionConf); Broadphase = new DbvtBroadphase(); Solver = new SequentialImpulseConstraintSolver(); World = new SoftRigidDynamicsWorld(Dispatcher, Broadphase, Solver, CollisionConf, gSolver); World.Gravity = new Vector3(0, -10, 0); // create the ground CollisionShape groundShape = new BoxShape(50, 50, 50); CollisionShapes.Add(groundShape); CollisionObject ground = LocalCreateRigidBody(0, Matrix.Translation(0, -60, 0), groundShape); ground.UserObject = "Ground"; SoftWorld.WorldInfo.AirDensity = 1.2f; SoftWorld.WorldInfo.WaterDensity = 0; SoftWorld.WorldInfo.WaterOffset = 0; SoftWorld.WorldInfo.WaterNormal = Vector3.Zero; SoftWorld.WorldInfo.Gravity = new Vector3(0, -10, 0); CreateFlag(clothWidth, clothHeight, out flags); // Create output buffer descriptions for ecah flag // These describe where the simulation should send output data to for (int flagIndex = 0; flagIndex < flags.Count; ++flagIndex) { // flags[flagIndex].WindVelocity = new Vector3(0, 0, 15.0f); // In this case we have a DX11 output buffer with a vertex at index 0, 8, 16 and so on as well as a normal at 3, 11, 19 etc. // Copies will be performed GPU-side directly into the output buffer CpuVertexBufferDescriptor vertexBufferDescriptor = new CpuVertexBufferDescriptor(cloths[flagIndex].CpuBuffer, 0, 8, 3, 8); cloths[flagIndex].VertexBufferDescriptor = vertexBufferDescriptor; } gSolver.Optimize(SoftWorld.SoftBodyArray); World.StepSimulation(1.0f / 60.0f, 0); }