public static void FromNormalVectors(Vector2[] vectors, ref Matrix4 matrix, out BoundingRectangle result)
{
Vector2 current;
Vector2Helper.TransformNormal(ref vectors[0], ref matrix, out current);
result.Max = current;
result.Min = current;
for (var index = 1; index < vectors.Length; ++index)
{
Vector2Helper.TransformNormal(ref vectors[index], ref matrix, out current);
if (current.X > result.Max.X)
{
result.Max.X = current.X;
}
else if (current.X < result.Min.X)
{
result.Min.X = current.X;
}
if (current.Y > result.Max.Y)
{
result.Max.Y = current.Y;
}
else if (current.Y < result.Min.Y)
{
result.Min.Y = current.Y;
}
}
result.Max.X += matrix.M13;
result.Max.Y += matrix.M23;
result.Min.X += matrix.M13;
result.Min.Y += matrix.M23;
}