public static bool IsBoundsInCameraEx(this Bounds bounds, Camera camera, float leftex, float rightex, float downex,
float upex)
{
Matrix4x4 matrix = camera.projectionMatrix * camera.worldToCameraMatrix;
int code =
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y + bounds.size.y / 2,
bounds.center.z + bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y + bounds.size.y / 2,
bounds.center.z + bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y - bounds.size.y / 2,
bounds.center.z + bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y - bounds.size.y / 2,
bounds.center.z + bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y + bounds.size.y / 2,
bounds.center.z - bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y + bounds.size.y / 2,
bounds.center.z - bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y - bounds.size.y / 2,
bounds.center.z - bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
code &=
MatrixEx.ComputeOutCodeEx(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y - bounds.size.y / 2,
bounds.center.z - bounds.size.z / 2, 1), matrix, leftex, rightex, downex, upex);
if (code != 0)
{
return(false);
}
return(true);
}
protected override int CalculateCullCode(Vector4 position, Matrix4x4 matrix)
{
return(MatrixEx.ComputeOutCodeEx(position, matrix, m_LeftEx, m_RightEx, m_DownEx, m_UpEx));
}