BOOM, I mean, BLOOM! Thanks to Latch and his mirror demo, I was able to put together a set of functions that control light bloom effects in DarkBASIC Classic. This should probably work in DarkBASIC Pro as well.
Here is a demo that implements those functions to make a spinning cube glow:
Sorry, I can't give away all my tricks!
The resolution and blur level are adjustable, so the performance should hold up in any game. Need to add that extra bit of flare to your game? Just add a little light bloom! The functions also support something I call "dark bloom", or bloom that actually makes the world darker.
Technical note: Because of time limitations, I wasn't able to implement blend-bloom, but if you can figure out how to control the alpha of dynamic textures, you can lock another plane to the camera and texture it with the image specified in the "image2" parameter.