public override List <CornerCoords> getObstacleCorners(GPUFluid.GridDimensions dimensions, Vector3 _scale)
{
gridPosition = new Vector3(-(1.0f / dimensions.x), -(1.0f / dimensions.y), -(1.0f / dimensions.z));
cellSize = new Vector3(_scale.x / (dimensions.x * 16.0f), _scale.y / (dimensions.y * 16.0f), _scale.z / (dimensions.z * 16.0f));
foreach (Transform child in obstacles)
{
if (child.gameObject.activeSelf)
{
Vector3 scale = child.localScale;
Vector3 position = child.position;
position -= gridPosition;
CornerCoords coords = getCornerCoords(position, scale, dimensions);
cornerCoordList.Add(coords);
//snaps Obstacle position and scale to grid
child.position = Vector3.Scale(new Vector3((coords.xStart + coords.xEnd) / 2f,
(coords.yStart + coords.yEnd) / 2f,
(coords.zStart + coords.zEnd) / 2f), cellSize) + gridPosition;
child.localScale = Vector3.Scale(new Vector3(coords.xEnd - coords.xStart,
coords.yEnd - coords.yStart,
coords.zEnd - coords.zStart), cellSize);
}
}
return(cornerCoordList);
}
private CornerCoords getCornerCoords(Vector3 position, Vector3 scale, GPUFluid.GridDimensions dimensions)
{
CornerCoords coords = new CornerCoords();
float corner = position.x - scale.x / 2f;
coords.xStart = Mathf.RoundToInt(Mathf.Clamp(corner / cellSize.x, 0, dimensions.x * 16));
corner = position.x + scale.x / 2f;
coords.xEnd = Mathf.RoundToInt(Mathf.Clamp(corner / cellSize.x, 0, dimensions.x * 16));
corner = position.y - scale.y / 2f;
coords.yStart = Mathf.RoundToInt(Mathf.Clamp(corner / cellSize.y, 0, dimensions.y * 16));
corner = position.y + scale.y / 2f;
coords.yEnd = Mathf.RoundToInt(Mathf.Clamp(corner / cellSize.y, 0, dimensions.y * 16));
corner = position.z - scale.z / 2f;
coords.zStart = Mathf.RoundToInt(Mathf.Clamp(corner / cellSize.z, 0, dimensions.z * 16));
corner = position.z + scale.z / 2f;
coords.zEnd = Mathf.RoundToInt(Mathf.Clamp(corner / cellSize.z, 0, dimensions.z * 16));
return(coords);
}
public void Initialize(GridDimensions dimensions)
{
this.dimensions = dimensions;
InitializeComputeBuffer();
InitializeComputeShader();
InitializeTexture3D();
InitializeMaterial();
material.SetVector("offset", new Vector4(offset.x, offset.y, offset.z, 1));
material.SetVector("scale", new Vector4(scale.x, scale.y, scale.z, 1));
material.SetVector("dimensions", new Vector4(1.0f / (dimensions.x * 32), 1.0f / (dimensions.y * 32), 1.0f / (dimensions.z * 32), 1));
material.SetTexture("_MainTex", texture3D);
material.SetBuffer("mesh", mesh);
}
public virtual List <CornerCoords> getObstacleCorners(GPUFluid.GridDimensions dimensions, Vector3 _scale)
{
return(cornerCoordList);
}