REPRESENTATION ANIMÉ 3D DE LA FONCTION COSINUS()

function createWave3D(nPoint, width, amplitude, interval) {
	centre = new Object({x:20, y:200});
	space = width/nPoint;
	w = 20;
	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);
			}
			moveTo(centre.x+w, centre.y-w+Math.cos(j/amplitude)*amplitude);
			for (i=0; i<=nPoint; i++) {
				lineTo(centre.x+w+i*space, centre.y-w+Math.cos(i+j/amplitude)*amplitude);
			}
			for (i=0; i<=nPoint; i++) {
				moveTo(centre.x+w+i*space, centre.y-w+Math.cos(i+j/amplitude)*amplitude);
				lineTo(centre.x+i*space, centre.y+Math.cos(i+j/amplitude)*amplitude);
			}
		}
	}, interval);
}
createWave3D(64, 500, 5, 50);