public unsafe Sphere GetTranformed(Matrix matrix)
{
Sphere sphere = new Sphere();
Vector3 center = Center;
Vector3.TransformCoordinates(ref center, ref matrix, out sphere.Center);
if (Radius > 0)
{
sphere.Radius = Math.Max(new Vector3(Radius * matrix.M11, Radius * matrix.M12, Radius * matrix.M13).Length(),
Math.Max(new Vector3(Radius * matrix.M21, Radius * matrix.M22, Radius * matrix.M23).Length(),
new Vector3(Radius * matrix.M31, Radius * matrix.M32, Radius * matrix.M33).Length()));
}
return(sphere);
}
public void Transform(Matrix invViewProj)
{
unsafe
{
for (int i = 0; i < 8; i++)
{
Vector3.TransformCoordinates(ref HsBox[i], ref invViewProj, out CornersWorld[i]);
}
planes[0] = new Plane(CornersWorld[7], CornersWorld[3], CornersWorld[5]); // Right
planes[1] = new Plane(CornersWorld[2], CornersWorld[6], CornersWorld[4]); // Left
planes[2] = new Plane(CornersWorld[6], CornersWorld[7], CornersWorld[5]); // Far
planes[3] = new Plane(CornersWorld[0], CornersWorld[1], CornersWorld[2]); // Near
planes[4] = new Plane(CornersWorld[2], CornersWorld[3], CornersWorld[6]); // Top
planes[5] = new Plane(CornersWorld[1], CornersWorld[0], CornersWorld[4]); // Bottom
}
}
