private void OnApplicationQuit()
{
ChunkGenerator.DestroyBuffers();
DensityFunction.DestroyBuffer();
}
// Update is called once per frame
void Update()
{
bool valuesChanged = false;
Ray mouseRay = cam.ScreenPointToRay(Input.mousePosition);
ChangeBrushSize();
float distance;
if (bounds.IntersectRay(mouseRay, out distance))
{
if (!brush.activeSelf)
{
brush.SetActive(true);
}
ChangeBrushDistance();
MoveBrush(mouseRay, distance);
if (Input.GetMouseButton(0))
{
Vector3 center = mouseRay.GetPoint(rayDistance);
//left click
for (int i = 0; i < values.Length; i++)
{
Vector3 diff = new Vector3(values[i].x, values[i].y, values[i].z) - center;
if (diff.x * diff.x + diff.y * diff.y + diff.z * diff.z < brushSize * brushSize)
{
values[i].w += 0.01f;
valuesChanged = true;
values[i].w = Utility.Constrain(0, 1, values[i].w);
}
}
}
else if (Input.GetMouseButton(1))
{
Vector3 center = mouseRay.GetPoint(rayDistance);
//right click
for (int i = 0; i < values.Length; i++)
{
Vector3 diff = new Vector3(values[i].x, values[i].y, values[i].z) - center;
if (diff.x * diff.x + diff.y * diff.y + diff.z * diff.z < brushSize * brushSize)
{
values[i].w -= 0.01f;
valuesChanged = true;
values[i].w = Utility.Constrain(0, 1, values[i].w);
}
}
}
}
else
{
if (brush.activeSelf)
{
brush.SetActive(false);
}
}
if (valuesChanged)
{
terrainChunkData = ChunkGenerator.Generate(values, terrainSize, surfaceLevel);
CreateChunks();
}
else if (valuesChangedLastFrame)
{
ChunkGenerator.DestroyBuffers();
}
valuesChangedLastFrame = valuesChanged;
}