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OpenGL avoid flickering (c++/opengl/sdl)

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HI

my rain effect is ok but wildly flickering for drops that run down. How to avoid that? I guess I need to draw in the background? Currently I only do a simple c++ function to draw

with Opengl and load the images with sdl.

Also I would want to create some kind of rain streaks running down.

Thanks

 

PS: it's a X-Plane plugin...

Edited by FGFS

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Are you using bouble-buffering with OpenGL? If now: you should. You can check this in your SDL-configuration for your OpenGL-Context: just check the SDL-doc for this feature.

 

With best regards,

Kimmi

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