有点像“水果忍者”划过屏幕时的动画，在每次按住鼠标左键不放然后拖动鼠标并释放，会出现动画。动画我参考别人的代码，然后在显示特效的时候使用了不同的颜色。
package
2: {
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.GlowFilter;
/**
* ...
* @author Meteoric_cry
*/
extends Sprite
12: {
private var _scene:Sprite;
14:
int;
int;
17:
private var _isDown:Boolean;
19:
int = 20;
21:
public function MouseEffectDemo()
23: {
24: initView();
25: }
26:
void
28: {
new Sprite();
30:
31: addChild(_scene);
32:
33: _scene.filters = [getGlowFilter(0x00CCFF)];
34:
35: stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDownHandler);
36: stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUpHandler);
37: }
38:
void
40: {
41: unlistenerEnterFrameHandler();
42:
43: stage.addEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
44: }
45:
void
47: {
48: stage.removeEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
49: }
50:
void
52: {
//LineArr的长度可能会动态变化，详情参见它的update方法
for each (var line:Line in Line.lineArr)
55: {
56: line.update();
57: }
58:
59: update();
60: }
61:
void
63: {
if (_isDown == false)
65: {
if (Line.lineArr.length === 0)
67: {
68: unlistenerEnterFrameHandler();
69: }
70:
return ;
72: }
73:
int = mouseX;
int = mouseY;
76:
if (Math.abs(_startX - endX) < MIN_POINT_DISTANCE || Math.abs(_startY - endY) < MIN_POINT_DISTANCE)
78: {
return ;
80: }
81:
new Line(_startX, _startY, endX, endY);
83:
84: _scene.addChild(line);
85:
86: _startX = endX;
87: _startY = endY;
88: }
89:
void
91: {
92: _isDown = false;
93: }
94:
void
96: {
97: _isDown = true;
98:
99: changeColorHandler();
100:
101: _startX = mouseX;
102: _startY = mouseY;
103:
104: listenerEnterFrameHandler();
105: }
106:
private function getGlowFilter(color:Number):GlowFilter
108: {
new GlowFilter(color, 1, 10, 10, 2, 1, false, false)
110: }
111:
void
113: {
114: var colorArr:Array = [0x00CCFF, 0xF5001D, 0xBC0093, 0x00CE00, 0xFF7400];
115: var color:Number = colorArr[Math.floor(Math.random() * colorArr.length)];
116:
117: _scene.filters = [getGlowFilter(color)];
118: }
119:
120: }
121:
122: }