int resolution;
Texture2D<float> rtDepth;
RWStructuredBuffer<float> heightBuffer;
float distance;
float captureHeight;
int direction;

[numthreads(8,8,1)] 
#pragma kernel CSMain
void CSMain (uint2 id : SV_DispatchThreadID)
{
	heightBuffer[id.x + (id.y * resolution)] = captureHeight + (((1 - rtDepth[id]) * distance) * direction); 
}