public Common.Bounding.Frustum FrustumFromRectangle(SlimDX.Direct3D9.Viewport viewport, Vector2 topLeft, Vector2 bottomRight)
{
Common.Bounding.Frustum f = new Common.Bounding.Frustum();
f.planes = new Plane[6];
Vector3 ntl = Vector3.Unproject(new Vector3(topLeft.X, topLeft.Y, ZNear), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 ntr = Vector3.Unproject(new Vector3(bottomRight.X, topLeft.Y, ZNear), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 nbl = Vector3.Unproject(new Vector3(topLeft.X, bottomRight.Y, ZNear), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 nbr = Vector3.Unproject(new Vector3(bottomRight.X, bottomRight.Y, ZNear), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 ftl = Vector3.Unproject(new Vector3(topLeft.X, topLeft.Y, ZFar), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 ftr = Vector3.Unproject(new Vector3(bottomRight.X, topLeft.Y, ZFar), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 fbl = Vector3.Unproject(new Vector3(topLeft.X, bottomRight.Y, ZFar), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
Vector3 fbr = Vector3.Unproject(new Vector3(bottomRight.X, bottomRight.Y, ZFar), viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinZ, viewport.MaxZ, View * Projection);
f.planes[(int)Common.Bounding.FrustumPlanes.Left] = new Plane(ntl, nbl, ftl);
f.planes[(int)Common.Bounding.FrustumPlanes.Top] = new Plane(ntl, ftl, ntr);
f.planes[(int)Common.Bounding.FrustumPlanes.Right] = new Plane(ntr, ftr, nbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Bottom] = new Plane(nbl, nbr, fbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Near] = new Plane(ntl, ntr, nbl);
f.planes[(int)Common.Bounding.FrustumPlanes.Far] = new Plane(ftr, ftl, fbl);
return f;
}
public static Common.Bounding.Frustum Frustum(Matrix viewProjection)
{
Common.Bounding.Frustum f = new Common.Bounding.Frustum();
f.planes = new Plane[6];
Vector3[] corners = GetCornersFromRectangle(viewProjection);
Vector3 ntl = corners[0];
Vector3 ntr = corners[1];
Vector3 nbl = corners[2];
Vector3 nbr = corners[3];
Vector3 ftl = corners[4];
Vector3 ftr = corners[5];
Vector3 fbl = corners[6];
Vector3 fbr = corners[7];
f.planes[(int)Common.Bounding.FrustumPlanes.Left] = new Plane(ntl, nbl, ftl);
f.planes[(int)Common.Bounding.FrustumPlanes.Top] = new Plane(ntl, ftl, ntr);
f.planes[(int)Common.Bounding.FrustumPlanes.Right] = new Plane(ntr, ftr, nbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Bottom] = new Plane(nbl, nbr, fbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Near] = new Plane(ntl, ntr, nbl);
f.planes[(int)Common.Bounding.FrustumPlanes.Far] = new Plane(ftr, ftl, fbl);
return(f);
}
public Common.Bounding.Frustum FrustumFromRectangle(Viewport viewport, System.Drawing.Point topLeft, System.Drawing.Point bottomRight)
{
Common.Bounding.Frustum f = new Common.Bounding.Frustum();
f.planes = new Plane[6];
Vector3[] corners = GetCornersFromRectangle(viewport, topLeft, bottomRight);
Vector3 ntl = corners[0];
Vector3 ntr = corners[1];
Vector3 nbl = corners[2];
Vector3 nbr = corners[3];
Vector3 ftl = corners[4];
Vector3 ftr = corners[5];
Vector3 fbl = corners[6];
Vector3 fbr = corners[7];
f.planes[(int)Common.Bounding.FrustumPlanes.Left] = new Plane(ntl, nbl, ftl);
f.planes[(int)Common.Bounding.FrustumPlanes.Top] = new Plane(ntl, ftl, ntr);
f.planes[(int)Common.Bounding.FrustumPlanes.Right] = new Plane(ntr, ftr, nbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Bottom] = new Plane(nbl, nbr, fbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Near] = new Plane(ntl, ntr, nbl);
f.planes[(int)Common.Bounding.FrustumPlanes.Far] = new Plane(ftr, ftl, fbl);
return(f);
}
public static Common.Bounding.Frustum Frustum(Matrix viewProjection)
{
Common.Bounding.Frustum f = new Common.Bounding.Frustum();
f.planes = new Plane[6];
Vector3[] corners = GetCornersFromRectangle(viewProjection);
Vector3 ntl = corners[0];
Vector3 ntr = corners[1];
Vector3 nbl = corners[2];
Vector3 nbr = corners[3];
Vector3 ftl = corners[4];
Vector3 ftr = corners[5];
Vector3 fbl = corners[6];
Vector3 fbr = corners[7];
f.planes[(int)Common.Bounding.FrustumPlanes.Left] = new Plane(ntl, nbl, ftl);
f.planes[(int)Common.Bounding.FrustumPlanes.Top] = new Plane(ntl, ftl, ntr);
f.planes[(int)Common.Bounding.FrustumPlanes.Right] = new Plane(ntr, ftr, nbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Bottom] = new Plane(nbl, nbr, fbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Near] = new Plane(ntl, ntr, nbl);
f.planes[(int)Common.Bounding.FrustumPlanes.Far] = new Plane(ftr, ftl, fbl);
return f;
}
public static bool Intersect(Common.Bounding.Frustum a, MetaBoundingBox b, out object intersection)
{
return(Common.Intersection.Intersect(a, b.GetBoundingBox(content).Value, out intersection));
}
public static bool Intersect(Common.Bounding.Frustum a, BoundingMetaMesh b, out object intersection)
{
intersection = null;
// Hack! Never actually compares against bounding meta meshes.
return(true);
}
public Common.Bounding.Frustum FrustumFromRectangle(Viewport viewport, System.Drawing.Point topLeft, System.Drawing.Point bottomRight)
{
Common.Bounding.Frustum f = new Common.Bounding.Frustum();
f.planes = new Plane[6];
Vector3[] corners = GetCornersFromRectangle(viewport, topLeft, bottomRight);
Vector3 ntl = corners[0];
Vector3 ntr = corners[1];
Vector3 nbl = corners[2];
Vector3 nbr = corners[3];
Vector3 ftl = corners[4];
Vector3 ftr = corners[5];
Vector3 fbl = corners[6];
Vector3 fbr = corners[7];
f.planes[(int)Common.Bounding.FrustumPlanes.Left] = new Plane(ntl, nbl, ftl);
f.planes[(int)Common.Bounding.FrustumPlanes.Top] = new Plane(ntl, ftl, ntr);
f.planes[(int)Common.Bounding.FrustumPlanes.Right] = new Plane(ntr, ftr, nbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Bottom] = new Plane(nbl, nbr, fbr);
f.planes[(int)Common.Bounding.FrustumPlanes.Near] = new Plane(ntl, ntr, nbl);
f.planes[(int)Common.Bounding.FrustumPlanes.Far] = new Plane(ftr, ftl, fbl);
return f;
}