/// <summary>
/// Transformを計算します。
/// </summary>
/// <param name="position">座標</param>
/// <param name="centerPosition">中心座標</param>
/// <param name="angle">角度（弧度法）</param>
/// <param name="scale">拡大率</param>
/// <returns></returns>
internal static Matrix44F CalcTransform(Vector2F position, Vector2F centerPosition, float angle, Vector2F scale)
{
var matPosition = Matrix44F.GetTranslation2D(position);
var matCenterPosition = Matrix44F.GetTranslation2D(-centerPosition);
var matRotate = Matrix44F.GetRotationZ(angle);
var matScale = Matrix44F.GetScale2D(scale);
return(matPosition * matScale * matRotate * matCenterPosition);
// NOTE: 一気に計算したほうがよさそう
}