/// <summary>
/// Transforms the center of a rectangle
/// </summary>
/// <param name="rectangle">The rectangle to transform.</param>
/// <param name="transformation">Transformation to apply.</param>
public static void TransformCenter(this Box2D rectangle, Transformation transformation)
{
var newCenter = transformation.Transform(rectangle.GetCenter());
rectangle.CenterX = newCenter.X;
rectangle.CenterY = newCenter.Y;
}
/// <summary>
/// Transforms the mesh by the specified transform.
/// </summary>
/// <param name="mesh">The mesh to transform.</param>
/// <param name="transformation">The transformation.</param>
/// <returns></returns>
public static DefaultMesh Transform(this DefaultMesh mesh, Transformation transformation)
{
var newMesh = new DefaultMesh();
newMesh.TexCoord.AddRange(mesh.TexCoord);
newMesh.IDs.AddRange(mesh.IDs);
foreach (var pos in mesh.Position)
{
var newPos = transformation.Transform(pos);
newMesh.Position.Add(newPos);
}
foreach (var n in mesh.Normal)
{
var newN = Vector3.Normalize(Vector3.TransformNormal(n, transformation.Matrix));
newMesh.Normal.Add(newN);
}
return(newMesh);
}
