public override Texture2D DidRequestTextureUpdate(int size, float spread)
{
Texture2D tex = new Texture2D(size, size);
ConstraintNode cons = ConstraintValue;
//Fill texture with black
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
tex.SetPixel(x, y, Color.black);
}
}
AbsGeneratorNode maskNode = null;
Generator gen = null;
if (cons != null)
{
maskNode = cons.GetMaskValue();
}
if (maskNode != null)
{
gen = maskNode.GetGenerator();
}
Vector2[] samples = SamplePositions(new System.Random());
for (var i = 0; i < samples.Length; i++)
{
Vector2 sample = samples[i];
if (gen != null)
{
Vector2 world = MathUtil.NormalToWorld(GridPosition.Zero, sample);
if (gen.GetValue(world.x, world.y, 0) < cons.Tolerance)
{
continue;
}
}
int x = Mathf.Clamp((int)(sample.x * size), 0, size);
int y = Mathf.Clamp((int)(sample.y * size), 0, size);
tex.SetPixel(x, y, Color.white);
if (i >= MaxObjects)
{
break;
}
}
tex.Apply();
return(tex);
}
private void SetHeightmapSampler()
{
if (!UseHeightmap)
{
return;
}
AbsGeneratorNode gen = GetInputValue <AbsGeneratorNode>("HeightmapGenerator");
_heightmapSampler = gen == null ? null : new GeneratorSampler(gen.GetGenerator());
}
private void SetMoistureSampler()
{
if (!UseMoisture)
{
return;
}
AbsGeneratorNode gen = GetInputValue <AbsGeneratorNode>("MoistureGenerator");
_moistureSampler = gen == null ? null : new GeneratorSampler(gen.GetGenerator());
}
/// <summary>
/// Decides whether or not this object should be placed at
/// the specified height and angle. Does not check for intersections.
/// </summary>
/// <param name="height">Height to evaluate at</param>
/// <param name="angle">Angle to evaluate at (0 to 180 degrees)</param>
/// <returns></returns>
public bool ShouldPlaceAt(float x, float y, float height, float angle)
{
if (ConstrainHeight && !HeightConstraint.Fits(height))
{
return(false);
}
if (ConstrainAngle && !AngleConstraint.Fits(angle))
{
return(false);
}
//Fails constrained height or constrained angle check
if (!EvaluateHeight(height) || !EvaluateAngle(angle))
{
return(false);
}
//Place probability check
if (Math.Abs(PlacementProbability - 100f) > 0.01f)
{
int result = UnityEngine.Random.Range(0, 101);
if (result < 100 - PlacementProbability)
{
return(false);
}
}
//Mask check
if (_cachedGeneratorNode == null)
{
_cachedGeneratorNode = GetMaskValue();
}
if (_cachedGeneratorNode != null)
{
if (_cachedGenerator == null)
{
_cachedGenerator = _cachedGeneratorNode.GetGenerator();
}
if (_cachedGenerator != null)
{
return(_cachedGenerator.GetValue(x, y, 0) < Tolerance);
}
}
return(true);
}
private Generator GetGeneratorFromNode(string name)
{
AbsGeneratorNode iv = GetInputValue <AbsGeneratorNode>(name);
return(iv == null ? null : iv.GetGenerator());
}