Have a look at this... im using lesson 37 but instead of incrementing spost to make it look like its coming towards you im decrementing it. It works sorta... but now its also has like part of the trail misplaced. Im using 50 images... but not all re rendered each frame, just one is. (its a winamp plugin) Take a look if you need some code or somthing lemme know...

Decrementing, eh? Looks like your pixel location value goes negative at some point and the framebuffer is drawing the pixel in the wrong place.

Good luck.

FragLegs

Well... I was doing some experimenting... it turns out, that it happens if i increment it too... I changed everything to work at 1024 * 768 ... but that shouldnt affect it?.... any ideas... i already checked into that... Im going to look more closely at the locations of the pictre after school....

Thanks for the help