private void CreateChildBranches(BuildBranch buildBranch, Vector2 baseBranchPosition, Size baseBranchSize, Size size, float baseBranchAngle, float childAngle, int iteration)
{
if (iteration == Iterations)
return;
var childCount = ChildBranchCount + (int) (ChildBranchCount * Rand.Float(ChildBranchCountRandomFactor) * Rand.Sign());
var baseBranchVector = VectorKit.AngleToVector(baseBranchAngle) * baseBranchSize.Height;
var startPosition = baseBranchPosition + baseBranchVector * ChildStartPositionRatio;
var endPosition = baseBranchPosition + baseBranchVector * ChildEndPositionRatio;
var p = startPosition;
var positions = new List<Vector2>();
for (var i = 0; i < childCount; i++)
{
p += (endPosition - p) / (childCount - i - 1);
positions.Add(p);
}
var s = size * ChildSizeRatio;
s = s + s * Rand.Float(ChildSizeRandomFactor) * Rand.Sign();
var a = baseBranchAngle + childAngle * (childCount - 1) / 2;
for (var i = 0; i < childCount; i++)
{
var localAngle = a + a * Rand.Float(ChildBranchAngleRandomFactor) * Rand.Sign();
CreateBranch(buildBranch, positions[i], s, localAngle, childAngle * ChildBranchAngleSoftenFactor, iteration + 1);
a -= childAngle;
}
}
private void CreateBranch(BuildBranch buildBranch, Vector2 position, Size size, float angle, float childAngle, int iteration)
{
buildBranch(position, size, angle);
CreateChildBranches(buildBranch, position, size, size, angle, childAngle, iteration);
}
public void Build(BuildBranch buildBranch)
{
buildBranch(TrunkPosition, TrunkSize, TrunkAngle);
CreateChildBranches(buildBranch, TrunkPosition, TrunkSize, BranchStartSize, TrunkAngle, ChildBranchAngle, 0);
}
