Hi there, Sounds like you want to use Render Targets. Cheers, Rod

Hi there, Random works just fine and has no reliability issues that I know of. I notice that Y is sometimes positive and sometimes negative but X is always negative - is that right?  From your algorithm it should always be positive. Also, how long before you notice that the X value is starting to tend towards zero? Some ...

Cast it to an int to remove the decimal places: ((int)count).ToString()

Check out the Chase & Evade sample.

Just had an afterthought... Have you tried moving your effect.Begin() and effect.End() calls to before and after your nested for loops?  Not sure if that would work/help (I only do 2D stuff at the moment with SpriteBatch) but worth a try... Cheers, Rod

Hi there, You are also creating a new instance of BasicEffect every frame which is wasteful - just create one at class level and reuse. Cheers, Rod

Hi, If you have a large number of checks then using a brute force (checking everything with everything else) method is costly and it will probably be worth using "broad-phase" collision detection first to weed out the collisions you don't need to do e.g. bullet and enemy on other side of the screen.  There is a reasonable ...

Hi there, This is definitely a situation where you would use an enum. To use the enum you defined above, it is declared just like any other type: private AnimState animationState = AnimState.Idle; Then you can use it in a switch statement like so: switch (animationState) { case AnimState.Idle: // Set animation based on idle state break; case ...

Hi again, All you should need to do is something like: if (pGamepad.IsButtonDown(Buttons.LeftThumbstickUp)) { ... } This will be true if the left thumbstick is being pushed up. Cheers, Rod

Hi there, Check the MSDN page for GamePadState - it should have all the info you need to get you going :) Cheers, Rod