ConvexPolyhedron GetConvexPolyhedronFromFrustum( ref Frustum frustum )
{
Vec3[] frustumPoints = null;
frustum.ToPoints( ref frustumPoints );
Vec3[] points = new Vec3[ 5 ];
points[ 0 ] = frustum.Origin;
points[ 1 ] = frustumPoints[ 4 ];
points[ 2 ] = frustumPoints[ 5 ];
points[ 3 ] = frustumPoints[ 6 ];
points[ 4 ] = frustumPoints[ 7 ];
ConvexPolyhedron.Face[] faces = new ConvexPolyhedron.Face[ 6 ];
faces[ 0 ] = new ConvexPolyhedron.Face( 0, 1, 2 );
faces[ 1 ] = new ConvexPolyhedron.Face( 0, 2, 3 );
faces[ 2 ] = new ConvexPolyhedron.Face( 0, 3, 4 );
faces[ 3 ] = new ConvexPolyhedron.Face( 0, 4, 1 );
faces[ 4 ] = new ConvexPolyhedron.Face( 1, 3, 2 );
faces[ 5 ] = new ConvexPolyhedron.Face( 3, 1, 4 );
return new ConvexPolyhedron( points, faces, .0001f );
}
ConvexPolyhedron GetConvexPolyhedronFromFrustum( ref Frustum frustum )
{
Vec3[] points = null;
frustum.ToPoints( ref points );
ConvexPolyhedron.Face[] faces = new ConvexPolyhedron.Face[ 12 ];
faces[ 0 ] = new ConvexPolyhedron.Face( 5, 4, 7 );
faces[ 1 ] = new ConvexPolyhedron.Face( 7, 6, 5 );
faces[ 2 ] = new ConvexPolyhedron.Face( 0, 1, 2 );
faces[ 3 ] = new ConvexPolyhedron.Face( 2, 3, 0 );
faces[ 4 ] = new ConvexPolyhedron.Face( 4, 0, 3 );
faces[ 5 ] = new ConvexPolyhedron.Face( 3, 7, 4 );
faces[ 6 ] = new ConvexPolyhedron.Face( 1, 5, 6 );
faces[ 7 ] = new ConvexPolyhedron.Face( 6, 2, 1 );
faces[ 8 ] = new ConvexPolyhedron.Face( 6, 7, 3 );
faces[ 9 ] = new ConvexPolyhedron.Face( 3, 2, 6 );
faces[ 10 ] = new ConvexPolyhedron.Face( 4, 5, 1 );
faces[ 11 ] = new ConvexPolyhedron.Face( 1, 0, 4 );
return new ConvexPolyhedron( points, faces, .0001f );
}