the basic idea behind nearly every full screen effect involves copying the back buffer, using copy rect command, onto a texture. this texture is applied to a sprite that overlays the screen. by doing this you now blend this sprite via entity blend command, to create a glow. you would use multiple sprites for blurs.
Learning Visual Tricks
Blitz3D Forums/Blitz3D Beginners Area/Learning Visual TricksThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.