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float x=0;
float y=0;
void setup(){
size (800,600);
colorMode(HSB); // hue saturation brightness
}
void draw(){
background(0);
float co = 255 * noise(x/500);
y=20;
x=20;
while(x<width){
stroke(#E03434);
line(x,0,x*2,height);
stroke(co,co,co);
line(x,0,x*0.5,height);
noFill();
arc(x, 500, 10, 10, PI, TWO_PI);
arc(x, 510, 10, 10, PI, TWO_PI);
x=x+10;
y=y+10;
}
}