package {
    public class Point3D {
        public var fl:Number=250;
        private var vpX:Number=0;
        private var vpY:Number=0;
        private var cX:Number=0;
        private var cY:Number=0;
        private var cZ:Number=0;
        public var x:Number=0;
        public var y:Number=0;
        public var z:Number=0;      
 
        public function Point3D(x:Number=0, y:Number=0, z:Number=0) {
            this.x=x;
            this.y=y;
            this.z=z;
        }
        public function setVanishingPoint(vpX:Number, vpY:Number):void {
            this.vpX=vpX;
            this.vpY=vpY;
        }
        public function setCenter(cX:Number,cY:Number,cZ:Number=0):void {
            this.cX=cX;
            this.cY=cY;
            this.cZ=cZ;
        }
        public function get screenX():Number {
            var scale:Number = fl / (fl + z + cZ);
            return vpX + cX + x * scale;
        }
        public function get screenY():Number {
            var scale:Number = fl / (fl + z + cZ);
            return vpY + cY + y * scale;
        }
        public function rotateX(angleX:Number):void {
            var cosX:Number=Math.cos(angleX);
            var sinX:Number=Math.sin(angleX);
            var y1:Number=y*cosX-z*sinX;
            var z1:Number=z*cosX+y*sinX;
            y=y1;
            z=z1;
        }
        public function rotateY(angleY:Number):void {
            var cosY:Number=Math.cos(angleY);
            var sinY:Number=Math.sin(angleY);
            var x1:Number=x*cosY-z*sinY;
            var z1:Number=z*cosY+x*sinY;
            x=x1;
            z=z1;
        }
        public function rotateZ(angleZ:Number):void {
            var cosZ:Number=Math.cos(angleZ);
            var sinZ:Number=Math.sin(angleZ);
            var x1:Number=x*cosZ-y*sinZ;
            var y1:Number=y*cosZ+x*sinZ;
            x=x1;
            y=y1;
        }
    }
}