Flash实例:80行AS代码打造奇幻光影
今天我们用纯Action Script代码来制作一个随机的奇幻光影flas易做图。
完成效果如下:
Flash AS代码如下:
import flash.display.BitmapData; import flash.filters.*; import flash.geom.*; _quality = "LOW"; _root.createTextField("logo", 10, 10, 10, 220, 18); logo.html = true; logo.htmlText = "<FONT FACE=’Arial’ SIZE=’14’ COLOR=’#FF9900’><A HREF=http://www.zzzyk.com/html/soft/’http://cgs.flash8.net’ TARGET=’_blank’>Core Graph Studio</A> </FONT><FONT FACE=’Arial’ SIZE=’12’ COLOR=’#999999’>click to redraw</FONT>"; _root.createTextField("para", 9, Stage.width-150, Stage.height-30, 150, 18); para.html = true; var bmp:BitmapData = new BitmapData(Stage.width, Stage.height, false, 0x0); _root.attachBitmap(bmp, 0); _root.createEmptyMovieClip("world", 2); world.createEmptyMovieClip("_mc", 0); world._mc._x = Stage.width/2; world._mc._y = Stage.height/2; var rad_speed:Number = 2; var blurFilter:BlurFilter = new BlurFilter(2, 2, 1); var f:Number = -.01; var colorFilter:ColorMatrixFilter = new ColorMatrixFilter([.9, -.1, 0, 0, f, 0, .8, -.2, 0, f, .1, 0, .9, 0, f, 1, 0, 0, 1, 0]); var total_nums:Number = 10; onMouseDown = function () { for (var i in world._mc) { world._mc[i].removeMovieClip(); } var a = Math.random()*.2; t = (Math.random()-.5)*a; z = (Math.random()-.5)*a; para.htmlText = "<FONT SIZE=’12’ COLOR=’#999999’>z="+Math.round(z*10000)/10000+" t="+Math.round(t*10000)/10000+"</FONT>"; rad_speed = (Math.random()-.5)*3.8; line_bool = random(5); swirl_bool = random(3); rnd_xy_bool = random(4); var i = 0; for (k=0; k<total_nums; k++) { for (m=0; m<360; m += 5) { var line:MovieClip = world._mc.createEmptyMovieClip("line"+i, i); if (rnd_xy_bool) { line.ox = line.__x=line._x=k*Math.sin(m/180*Math.PI)*8+Math.random()*20; line.oy = line.__y=line._y=k*Math.cos(m/180*Math.PI)*6+Math.random()*20; } else { line.ox = line.__x=line._x=k*Math.sin(m/180*Math.PI)*8; line.oy = line.__y=line._y=k*Math.cos(m/180*Math.PI)*6; } line.lx = line._x*.3; line.ly = line._y*.3; if (random(3)) { (new Color(line)).setTransform({rb:i*512/k/m-256, gb:i*255/k/m, bb:random(512)-256}); } else { (new Color(line)).setTransform({rb:255, gb:255, bb:255}); } line.onEnterFrame = function() { if (swirl_bool) { var x = this.__x; this.__x += 10*Math.cos(this.__y*z)*Math.sin(this.__y*t); this.__y += 10*Math.sin(x*z)*Math.cos(x*t); } else { this.__x += 10*Math.cos(this.__y*z)*Math.sin(this.__y*t); this.__y += 10*Math.sin(this.__x*z)*Math.cos(this.__x*t); } this.clear(); this.lineStyle(1, 0x66EE66); if (line_bool>1) { this.moveTo(this.ox-this._x, this.oy-this._y); this.lineTo(this.__x-this._x, this.__y-this._y); } else if (line_bool == 1) { this.moveTo(this.ox, this.oy); this.lineTo(this.__x+this.lx, this.__y+this.ly); } else { this.moveTo(this.ox-this.lx, this.oy-this.ly); this.lineTo(this.__x-this.lx, this.__y-this.ly); } this.ox = this.__x; this.oy = this.__y; }; i++; } } clearInterval(val); val = setInterval(onMouseDown, 20000); }; onEnterFrame = function () { world._mc._rotation += rad_speed; bmp.draw(world); bmp.applyFilter(bmp, bmp.rectangle, new Point(0, 0), blurFilter); bmp.applyFilter(bmp, bmp.rectangle, new Point(0, 0), colorFilter); }; world._visible = false; world._y = 100000; onMouseDown(); |