Пример #1
0
        void UpdateBoundingFrustum()
        {
            //  Update frustum
            BoundingFrustum.Matrix    = ViewProjectionMatrix;
            BoundingFrustumFar.Matrix = ViewProjectionMatrixFar;

            //  Update bounding box
            BoundingBox = BoundingBoxD.CreateInvalid();
            BoundingBox.Include(ref BoundingFrustum);

            //  Update bounding sphere
            BoundingSphere = MyUtils.GetBoundingSphereFromBoundingBox(ref BoundingBox);
        }
        public BoundingBoxD GetAABB()
        {
            if (m_cornersTmp == null)
            {
                m_cornersTmp = new Vector3D[8];
            }
            this.GetCorners(m_cornersTmp, 0);
            BoundingBoxD xd = BoundingBoxD.CreateInvalid();

            for (int i = 0; i < 8; i++)
            {
                xd.Include(m_cornersTmp[i]);
            }
            return(xd);
        }
Пример #3
0
        public unsafe BoundingBoxD Transform(ref MatrixD worldMatrix)
        {
            BoundingBoxD oobb = BoundingBoxD.CreateInvalid();

            Vector3 *temporaryCorners = stackalloc Vector3[8];

            GetCornersUnsafe((Vector3 *)temporaryCorners);

            for (int i = 0; i < 8; i++)
            {
                Vector3D vctTransformed = Vector3.Transform(temporaryCorners[i], worldMatrix);
                oobb = oobb.Include(ref vctTransformed);
            }

            return(oobb);
        }
Пример #4
0
        void UpdateBoundingFrustum()
        {
            //  Update frustum
            BoundingFrustum.Matrix = ViewProjectionMatrix;
            BoundingFrustumFar.Matrix = ViewProjectionMatrixFar;

            //  Update bounding box
            BoundingBox = BoundingBoxD.CreateInvalid();
            BoundingBox.Include(ref BoundingFrustum);

            //  Update bounding sphere
            BoundingSphere = MyUtils.GetBoundingSphereFromBoundingBox(ref BoundingBox);
        }