private void Start()
{
//define the particle radius here in order to create fluid body particles
particleRadius = 0.1f;
float density = 1000.0f;
blastPoint = new Vector3(0, 10000, 0);
//containerScale = new Vector3(1, 1, 1);
containerPos = containerTransform.position;
containerScale = containerTransform.localScale;
Vector3 fluidBodyPos = FluidChunkTransform.position;
Vector3 fluidBodyScale = FluidChunkTransform.localScale;
//NOTE1: the particle amount may raise issues in Bitonic Sorting
//NOTE2: A smaller radius may also requre more solver steps
switch (particleAmount)
{
case PARTICLE_AMOUNT.LOW:
particleRadius = 0.1f;
break;
case PARTICLE_AMOUNT.MEDIUM:
particleRadius = 0.08f;
break;
case PARTICLE_AMOUNT.HIGH:
particleRadius = 0.06f;
break;
}
try
{
CreateBoundary(particleRadius, density, containerPos, containerScale);
CreateFluid(particleRadius, density, containerPos, containerScale, fluidBodyPos, fluidBodyScale);
fusion_FluidBody.Bounds = fusion_FluidBoundary.Bounds;
fusion_FluidSolver = new FluidSolver(fusion_FluidBody, fusion_FluidBoundary, DensityComputeIterations, ConstraintComputeIterations);
//fusion_volume = new RenderVolume(fusion_FluidBoundary.Bounds, radius);
//fusion_volume.CreateMesh(fusion_volumeMat);
}
catch
{
wasError = true;
throw;
}
FluidChunkRenderer.enabled = false;
}
private void SystemStateOnKeyPresses()
{
//press the Space key, system got paused
//At paused state, the fusion_run variable should be set to false
//until the Enter key is pressed, then fusion_run variable get back to true
//then the fluid boundary is reconstructed and simulation resumes
if (Input.GetKeyDown(KeyCode.Space) && SystemRun == true)
{
SystemRun = false;
Debug.Log("space pressed");
}
//if the system is paused and you press Space
//the fluidboundary object need to be reconstructed
//then system resumes
if (Input.GetKeyDown(KeyCode.B) && SystemRun == false)
{
float density = 1000.0f;
try
{
CreateBoundary(particleRadius, density, containerPos, containerScale);
fusion_FluidBody.Bounds = fusion_FluidBoundary.Bounds;
fusion_FluidSolver = new FluidSolver(fusion_FluidBody, fusion_FluidBoundary, DensityComputeIterations, ConstraintComputeIterations);
}
catch
{
wasError = true;
throw;
}
if (wasError)
{
return;
}
//fusion_FluidSolver.UpdateBoundary(fusion_FluidBoundary);
SystemRun = true;
}
if (SystemRun == false) //when system paused, move the wall of the cube
{
if (Input.GetKey(KeyCode.L))
{
containerScale[0] += 0.05f;
}
if (Input.GetKey(KeyCode.J))
{
containerScale[0] -= 0.05f;
}
if (Input.GetKey(KeyCode.I))
{
containerScale[1] -= 0.05f;
}
if (Input.GetKey(KeyCode.K))
{
containerScale[1] += 0.05f;
}
if (Input.GetKey(KeyCode.U))
{
containerScale[2] -= 0.05f;
}
if (Input.GetKey(KeyCode.O))
{
containerScale[2] += 0.05f;
}
containerTransform.localScale = containerScale;
}
}