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void setup()
{
size(500,500);
background(255);
translate(490,5);
}
void draw ()
{
if (keyPressed)
if (key == 'r' || key == 'R') {
rotate(1.0);
translate(180,-380);
}
else
rotate(0);
translate(0,0);
line(mouseX,mouseY,mouseX+30,mouseY);
fill(50);
}