// Update is called once per frame void Update() { // Map buffers for reading / writing. particles = Flex.Map(_particleBuffer); velocities = Flex.Map(_velocityBuffer); phases = Flex.Map(_phaseBuffer); // Spawn particles. //spawnParticles(particles, velocities, phases); // Render particles. RenderParticles(particles, velocities, phases); // Unmap buffers. Flex.Unmap(_particleBuffer); Flex.Unmap(_velocityBuffer); Flex.Unmap(_phaseBuffer); // Write to device (async). Flex.SetParticles(_solver, _particleBuffer); Flex.SetVelocities(_solver, _velocityBuffer); Flex.SetPhases(_solver, _phaseBuffer); // Tick. Flex.UpdateSolver(_solver, Time.deltaTime, 1); // Read back (async). Flex.GetParticles(_solver, _particleBuffer); Flex.GetVelocities(_solver, _velocityBuffer); Flex.GetPhases(_solver, _phaseBuffer); }
private void PushParticlesToGPU(IntPtr solverPtr, FlexContainer cnt, Flex.Memory memory) { Flex.SetActive(solverPtr, cnt.m_activeSetHndl.AddrOfPinnedObject(), cnt.m_activeParticlesCount, memory); Flex.SetParticles(solverPtr, cnt.m_particlesHndl.AddrOfPinnedObject(), cnt.m_particlesCount, memory); Flex.SetRestParticles(solverPtr, cnt.m_restParticlesHndl.AddrOfPinnedObject(), cnt.m_particlesCount, memory); Flex.SetVelocities(solverPtr, cnt.m_velocitiesHndl.AddrOfPinnedObject(), cnt.m_particlesCount, memory); Flex.SetNormals(solverPtr, cnt.m_normalsHndl.AddrOfPinnedObject(), cnt.m_particlesCount, memory); Flex.SetPhases(solverPtr, cnt.m_phases, cnt.m_particlesCount, memory); }
public void TestSetParticlesPhases() { float DELTA_T = 0.016f; float INTERACTION_DISTANCE = 0.5f; float SOLID_REST_DISTANCE = 0.2f; Flex.Library lib = Flex.Init(Flex.FLEX_VERSION, ErrorCallback); Flex.SolverDesc desc = default(Flex.SolverDesc); Flex.SetSolverDescDefaults(ref desc); desc.maxParticles = 1000; desc.maxDiffuseParticles = 1000; Flex.Solver solver = Flex.CreateSolver(lib, ref desc); Flex.Params prms = new Flex.Params(); Flex.GetParams(solver, ref prms); prms.radius = INTERACTION_DISTANCE; prms.solidRestDistance = SOLID_REST_DISTANCE; Flex.SetParams(solver, ref prms); Flex.Buffer particles = CreateBuffer(lib, 2, 4, new float[] { -0.001f, 0.0f, 0.0f, 1.0f, 0.001f, 0.0f, 0.0f, 1.0f, }); Flex.SetParticles(solver, particles); Flex.Buffer phases = CreateBuffer(lib, 2, 1, new int[] { Flex.MakePhase(1, Flex.Phase.SelfCollide), Flex.MakePhase(1, Flex.Phase.SelfCollide), }); Flex.SetPhases(solver, phases); Flex.SetActiveCount(solver, 2); Flex.Buffer active = CreateBuffer(lib, 2, 1, new int[] { 0, 1, }); Flex.SetActive(solver, active); Flex.UpdateSolver(solver, DELTA_T, 1); Flex.GetParticles(solver, particles); float[] values; ReadBuffer(lib, particles, 2, 4, out values); Assert.AreEqual(SOLID_REST_DISTANCE, Vector3.Distance(new Vector3(values[0], values[1], values[2]), new Vector3(values[4], values[5], values[6]))); Flex.FreeBuffer(particles); Flex.FreeBuffer(phases); Flex.FreeBuffer(active); Flex.DestroySolver(solver); Flex.Shutdown(lib); }