bool CalcMouseWorldPos(Point mouse, Camera camera, out Vector3 mouseWorldPos)
{
Ray ray = camera.Unproject(new Vector2(mouse.X, mouse.Y), Device.Viewport);
float d;
if (Ray.Intersects(ray, new Plane(new Vector4(0, 0, 1, 0)), out d))
{
mouseWorldPos = ray.Position + ray.Direction * d;
return true;
}
mouseWorldPos = Vector3.Zero;
return false;
}
bool CalcMouseWorldPosHeightmaped(Point mouse, Camera camera, out Vector3 mouseWorldPos)
{
mouseWorldPos = Vector3.Zero;
if (mouse.X < 0 || mouse.Y < 0)
return false;
Ray ray = camera.Unproject(new Vector2(mouse.X, mouse.Y), Device.Viewport);
float d;
if (terrainGrid.Intersects(ray, out d))
{
mouseWorldPos = ray.Position + ray.Direction * d;
return true;
}
return false;
/*DataRectangle r = depthData.LockRectangle(new Rectangle(mouse, new Size(1, 1)), LockFlags.None);
float depth = r.Data.Read<float>();
depthData.UnlockRectangle();
if (depth == 0) return CalcMouseWorldPos(mouse, camera, out mouseWorldPos);
mouseWorldPos = Vector3.Unproject(new Vector3(mouse.X, mouse.Y, depth), Device.Viewport.X, Device.Viewport.Y, Device.Viewport.Width, Device.Viewport.Height, Device.Viewport.MinZ, Device.Viewport.MaxZ, Scene.Camera.View * Scene.Camera.Projection);
return true;*/
/*Ray ray = camera.Unproject(new Vector2(mouse.X, mouse.Y), Device.Viewport);
mouseWorldPos = ray.Position + ray.Direction * depth;
return true;*/
}