public static GsVector ComputeProjectileDirection(float angle)
{
GsVector v = new GsVector(1, 0);
GsMatrix rotMatrix = GsMatrix.CreateRotationZ(angle);
return(GsVector.Transform(v, rotMatrix));
}
/// <summary></summary>
protected virtual GsMatrix CreateTransform(ImageParams data)
{
// create the matrix for transforming the center
GsMatrix transform =
GsMatrix.CreateTranslation(-data.Origin.X, -data.Origin.Y, 0) *
GsMatrix.CreateRotationZ(Orientation) *
GsMatrix.CreateScale(data.Scale.X, data.Scale.Y, 1f) *
GsMatrix.CreateTranslation(data.Position.X, data.Position.Y, 0);
// return the transform
return(transform);
}