代码如下： 复主代码 代码如下: <br>var 공; <br>var mouseX = 100; <br>var mouseY = 100; <br>var 각도 = 0; <br>var 반경 = 50; <br><br>function run(){ <br>if(ball === 정의되지 않음){ <br>ball = document.createElement("span"); <br>ball.style.position = "절대"; <br>ball.style.color = "#FF0000"; <br>ball.style.zIndex = 999999999; <br>ball.innerHTML = "●"; <br>document.body.appendChild(공); <br>} <br><br>ball.style["left"] = mouseX (Math.cos(angle)*radius) "px"; <br>ball.style["top"] = mouseY (Math.sin(angle)*radius) "px"; <br>각도 =0.1; <br>} <br>function MousePos(e) <br>{ <br>e = e || 창.이벤트; <br>var x,y; <br>if(!document.all){ <br>x = e.pageX; <br>y = e.pageY; <br>} <br>else{ <br>x = event.clientX document.documentElement.scrollLeft; <br>y = event.clientY document.documentElement.scrollTop; <br>} <br>return {x:x,y:y}; <br>} <br>함수 setXY(e) <br>{ <br>e = e || 창.이벤트; <br>var pos = MousePos(e); <br>mouseX = pos.x; <br>mouseY = pos.y; <br>} <br>window.onload = function(){ <br>setInterval(run,20); <br><br>document.documentElement.onmousemove = function(e){ <br>e = e || 창.이벤트; <br>setXY(e); <br>}; <br>} <br> 작곡자: cnblogs airy
