FAUSSE 3D: TUNNEL AVEC FOG PAR SCRIPT (PARAMETRABLE)

function createTunnel(nPoint, nCircle, space, power, fogDensity, interval) {
	var center = new Object({x:300, y:300});
	var pi = Math.PI;
	var aCircle = new Array();
	var aCoord = new Array();
	var move_var = 0;
	_root.space = space;
	for (var k = 0; k<=nPoint; k++) {
		aCoord.push(new Object({x:Math.cos(2*k*pi/nPoint), y:Math.sin(2*k*pi/nPoint)}));
	}
	setInterval(function () {
		with (_root) {
			move_var++;
			clear();
			for (j=0; j<=nCircle; j++) {
				lineStyle(-1, 0x000000, (100/nCircle*j)-fogDensity);
				moveTo(center.x+Math.cos(((move_var+j)/power))*space+aCoord[0].x*j*space, center.y+Math.sin(((move_var+j)/power))*space+aCoord[0].y*j*space);
				for (var k = 0; k<=nPoint; k++) {
					lineTo(center.x+Math.cos(((move_var+j)/power))*space+aCoord[k].x*j*space, center.y+Math.sin(((move_var+j)/power))*space+aCoord[k].y*j*space);
				}
			}
			for (j=2; j<=nCircle; j++) {
				lineStyle(-1, 0x000000, (100/nCircle*(j-1))-fogDensity);
				for (var l = 1; l<=nPoint; l++) {
					moveTo(center.x+Math.cos(((move_var+j-1)/power))*space+aCoord[l].x*(j-1)*space, center.y+Math.sin(((move_var+j-1)/power))*space+aCoord[l].y*(j-1)*space);
					lineTo(center.x+Math.cos(((move_var+j)/power))*space+aCoord[l].x*j*space, center.y+Math.sin(((move_var+j)/power))*space+aCoord[l].y*j*space);
				}
			}
		}
	}, interval);
}

// application :
createTunnel(24, 12, 25, 3.5, 0, 50);