/// <summary>
/// Scale mesh vertices to fit within a bounds size.
/// </summary>
/// <param name="mesh">The mesh to apply scaling to.</param>
/// <param name="currentSize">The bounding size of the original shape we want to fit.</param>
/// <param name="sizeToFit">The size to fit mesh contents within.</param>
public static void FitToSize(ProBuilderMesh mesh, Bounds currentSize, Vector3 sizeToFit)
{
if (mesh.vertexCount < 1)
{
return;
}
var scale = Math.Abs(sizeToFit).DivideBy(currentSize.size);
if (scale == Vector3.one || scale == Vector3.zero)
{
return;
}
var positions = mesh.positionsInternal;
if (System.Math.Abs(currentSize.size.x) < 0.001f)
{
scale.x = 0;
}
if (System.Math.Abs(currentSize.size.y) < 0.001f)
{
scale.y = 0;
}
if (System.Math.Abs(currentSize.size.z) < 0.001f)
{
scale.z = 0;
}
for (int i = 0, c = mesh.vertexCount; i < c; i++)
{
positions[i] -= currentSize.center;
positions[i].Scale(scale);
positions[i] += currentSize.center;
}
mesh.Rebuild();
}
