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// communication between objects (collison) // distance between centers // is dist < r1+r2 float d = dist(x, y, other.x, other.y); if (d < r + other.r) { return true; } else { return false; } |
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// what's this do? void keyPressed() { if (key=='s' || key=='S') { counter++; saveFrame(counter+".png"); } } |