// substitute mouseX, mouseY with the x, y point to rotate to

dx = mouseX - sprite.x;

dy = mouseY - sprite.y;

sprite.rotation = Math.atan2(dy, dx) * 180 / M

 

创建波形：

// assign value to x, y or other property of srite or movie clip,

// use as drawing coordinates, etc.

public function onEnterFrame(event:Event){

value = center + Math.sin(angle) * range;

angle += speed;

}

 

创建圆形：

// assign position to x and y of sprite or movie clip,

// use as drawing coordinates, etc.

public function onEnterFrame(event:Event){

xposition = centerX + Math.cos(angle) * radius

yposition = centerY + Math.sin(angle) * radius

angle += speed;

}