2005/07/15 | “波的叠加”组件用到的2.0版本的AS
类别(Flash) | 评论(0) | 阅读(189) | 发表于 17:25
class wave_add extends MovieClip {
    public var n:Number;
    public var Left_start:Number;
    public var Right_start:Number;
    public var Length_left:Number;
    public var Length_right:Number;
    public var tmp_Length_left:Number;
    public var tmp_Length_right:Number;
    public var Height_left:Number;
    public var Height_right:Number;
    public var Wave_left:Number;
    public var Wave_right:Number;
    public var i:Number;
    public var ratio:Number;
    public var t:Number;
    public var dot:MovieClip;
    public var Dot_visible:Boolean;
    public var Line_visible:Boolean;
    [Inspectable(defaultvalue=100)]
    public function set 质点个数(num:Number):Void {
        n = num;
    }
    public function get 质点个数():Number {
        return n;
    }
    [Inspectable(defaultvalue=30)]
    public function set 左波长(num:Number):Void {
        Length_left = num;
    }
    public function get 左波长():Number {
        return Length_left;
    }
    [Inspectable(defaultvalue=30)]
    public function set 右波长(num:Number):Void {
        Length_right = num;
    }
    public function get 右波长():Number {
        return Length_right;
    }
    [Inspectable(defaultvalue=30)]
    public function set 左振幅(num:Number):Void {
        Height_left = num;
    }
    public function get 左振幅():Number {
        return Height_left;
    }
    [Inspectable(defaultvalue=30)]
    public function set 右振幅(num:Number):Void {
        Height_right = num;
    }
    public function get 右振幅():Number {
        return Height_right;
    }
    [Inspectable(defaultvalue=1)]
    public function set 左频率(num:Number):Void {
        Wave_left = num*Math.PI/Length_left;
    }
    public function get 左频率():Number {
        return Wave_left;
    }
    [Inspectable(defaultvalue=1)]
    public function set 右频率(num:Number):Void {
        Wave_right = num*Math.PI/Length_right;
    }
    public function get 右频率():Number {
        return Wave_right;
    }
    [Inspectable(enumeration="1,0"defaultvalue=1)]
    public function set 质点可见(num:Boolean):Void {
        Dot_visible = num;
    }
    public function get 质点可见():Boolean {
        return Dot_visible;
    }
    [Inspectable(enumeration="1,0"defaultvalue=1)]
    public function set 连线可见(num:Boolean):Void {
        Line_visible = num;
    }
    public function get 连线可见():Boolean {
        return Line_visible;
    }
    function wave_add() {
        tmp_Length_left = Length_left;
        tmp_Length_right = Length_right;
        init();
    }
    function init() {
        this.clear();
        Left_start = 0;
        //左起点
        Right_start = n-1;
        //右起点
        for (var i = 0; i<201; i++) {
            eval("this.mc"+i).removeMovieClip();
        }
        for (var i = 0; i<n; i++) {
            this.attachMovie("mc", "mc"+i, i);
            eval("this.mc"+i)._x = i*eval("this.mc"+i)._width;
            eval("this.mc"+i)._y = 0;
            eval("this.mc"+i)._visible = Dot_visible;
        }
        //判断左波长是否改变
        onEnterFrame = function () {
            trace("ok");
            // 当左右波长改变时，相应的频率也要改变
            if (tmp_Length_left<>Length_left) {
                Wave_left = (Wave_left*tmp_Length_left)/Length_left;
                tmp_Length_left = Length_left;
            }
            if (tmp_Length_right<>Length_right) {
                Wave_right = (Wave_right*tmp_Length_right)/Length_right;
                tmp_Length_right = Length_right;
            }
        };
    }
    function startMove() {
        this.onEnterFrame = function() {
            if (Line_visible == 1) {
                this.createEmptyMovieClip("dot", 1000);
                clear();
                with (this.dot) {
                    moveTo(this.mc0._x, this.mc0._y);
                    for (var i = 0; i<this.n; i++) {
                        lineStyle(1, 0xff0000, 100);
                        lineTo(eval("this.mc"+i)._x, eval("this.mc"+i)._y);
                    }
                }
            }
            t = 0;
            for (i=Left_start-Length_left+1; i<=Left_start; i++) {
                eval("this.mc"+i)._y += Height_left*(Math.sin(Wave_left*(t+1))-Math.sin(Wave_left*t));
                t++;
            }
            Left_start++;
            t = 0;
            for (i=Right_start+Length_right-1; i>=Right_start; i--) {
                eval("this.mc"+i)._y += Height_right*(Math.sin(Wave_right*(t+1))-Math.sin(Wave_right*t));
                t++;
            }
            Right_start--;
        };
    }
}
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