var dy:Number;//两者Y轴之间的距离var dx:Number;var dxspeed:Number;var dyspeed:Number;var r:Number;var du:Number;ship.addEventListener(Event.ENTER_FRAME,runing);
function runing(event:Event):void{ dy=Math.round(mouseY-ship.y); dyspeed=Math.round(dy/5); ship.y+=dyspeed; dx=Math.round(mouseX-ship.x); dxspeed=Math.round(dx/5); ship.x+=dxspeed; r=Math.atan2(mouseY-ship.y,mouseX-ship.x)//计算出鼠标与物体的角度 du=Math.round(r*180/Math.PI); ship.rotation=du; } lan1.addEventListener(Event.ENTER_FRAME,top_hitting);function top_hitting(event:Event):void{
while(lan1.hitTestObject(ship)) { ship.y=ship.y+50; } } lan2.addEventListener(Event.ENTER_FRAME,bottom_hitting);function bottom_hitting(event:Event):void{
while(lan2.hitTestObject(ship)) { ship.y=ship.y-50; } } lan3.addEventListener(Event.ENTER_FRAME,left_hitting);function left_hitting(event:Event):void{
while(lan3.hitTestObject(ship)) { ship.x=ship.x+50; } } lan4.addEventListener(Event.ENTER_FRAME,right_hitting);function right_hitting(event:Event):void{
while(lan4.hitTestObject(ship)) { ship.x=ship.x-50; } }