REPRESENTATION ANIMÉ DE LA FONCTION COSINUS()

function createCosGraphic(nPoint, space, amplitude, interval) {
	centre = new Object({x:200, y:200});
	setInterval(function () {
		with (_root) {
			j++;
			clear();
			lineStyle(-1, 0x000000, 100);
			moveTo(centre.x+0, centre.y+Math.cos(j/amplitude)*amplitude);
			for (i=0; i<=nPoint; i++) {
				lineTo(centre.x+i*space, centre.y+Math.cos(i+j/amplitude)*amplitude);
			}
		}
	}, interval);
}
createCosGraphic(64, 2, 10, 20);