var chompSpeed = 5; var pacMouth = 1; var pacMouthClose = 0; (mouseX, mouseY); 0; var draw = function() { background(0); fill(25, 55, 90); pacMouthClose = 360 - pacMouth; arc(200, 200, 80, 80, pacMouth, pacMouthClose); if (pacMouth >= 55 || pacMouth <= 0) { chompSpeed*= -1; (mouseX, mouseY); } pacMouth += chompSpeed; };