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   alpha 0 still visible
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   Author  Topic: alpha 0 still visible  (Read 537 times)
frank gruber
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alpha 0 still visible
« on: Jan 5th, 2004, 8:06pm »

alpha 67
win xp pro
-----------------------------------
void setup() {
size(600, 600);
noStroke();
}
 
void loop() {
fill(color(255,0,0),0);
rect(mouseX,mouseY,100,100);
}
-----------------------------------
 
as you can see the alpha for fill is set to "0".
moving around the mouse still creates rects in light grey.
why?
please help.
 
frank
 
fry


WWW
Re: alpha 0 still visible
« Reply #1 on: Jan 8th, 2004, 6:17pm »

the "why" is rounding error in the graphics engine.  
 
other folks have run into this, i'll see what i can do about cleaning it up.
 
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