how to make a laser maze game

onClipEvent (load) {
moveSpeed = 7;
}
onClipEvent (enterFrame) {
if (Key.isDown(Key.RIGHT)) {
this._x += moveSpeed;
} else if (Key.isDown(Key.UP)) {
this._y -= moveSpeed;
} else if (Key.isDown(Key.DOWN)) {
this._y += moveSpeed;
} else if (Key.isDown(Key.LEFT)) {
this._x -= moveSpeed;
}
}

onClipEvent (enterFrame) {
if (this.hitTest(this._parent.left)) {
_x = _x+10;
}
}
onClipEvent (enterFrame) {
if (this.hitTest(this._parent.up)) {
_y = _y+10;
}
}
onClipEvent (enterFrame) {
if (this.hitTest(this._parent.down)) {
_y = _y-10;
}
}
onClipEvent (enterFrame) {
if (this.hitTest(this._parent.right)) {
_x = _x-10;
}
}