private void UpdateFunctionOnGPU()
{
float step = 2f / resolution;
computeShader.SetInt(resolutionID, resolution);
computeShader.SetFloat(stepID, step);
computeShader.SetFloat(timeID, Time.time);
if (transitioning)
{
computeShader.SetFloat(
transitionProgressiD,
Mathf.SmoothStep(0f, 1f, duration / transitionDuration));
}
int kernelIndex = function.indexNumber + (int)(transitioning ?
previousFunction.indexNumber : currentFunction.indexNumber) * function.GetFunctionCount();
computeShader.SetBuffer(kernelIndex, positionsID, positionsBuffer);
int groups = Mathf.CeilToInt(resolution / 8f);
computeShader.Dispatch(kernelIndex, groups, groups, 1);
material.SetBuffer(positionsID, positionsBuffer);
material.SetFloat(stepID, step);
var bounds = new Bounds(Vector3.zero, Vector3.one * (2f + 2f / resolution));
Graphics.DrawMeshInstancedProcedural(mesh, 0, material, bounds, resolution * resolution);
}