[PD] render method

ray Y raybuay at hotmail.com
Sat Oct 20 02:33:51 CEST 2018

Hello all:
Does anybody know if there is a method in gems to render things without erasing the previous frame?

for example lets say i want to have rectangles draw in gemwin, each render erases the previous draw,

how can i keep each instance on screen? i'm trying to make kind of like a feedback effect!


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