我这个Flash烟花粒子特效的制作其实很简单。 第一步:在Flash中建立画布550*400(宽度随便设的,高度应在200以上,因为烟花显示的高度是200,这个也可以在代码里修改,代码第六行 var rect:Rectangle = new Rectangle(0, 0, Stage.width, 200); 这个200就是高度) 第二步:在空白帧上点右键-动作 输入以下Action Script代码。 Stage.scaleMode = "noScale"; import flash.display.BitmapData; import flash.filters.ConvolutionFilter; import flash.geom.Rectangle; var con = new ConvolutionFilter(3, 3, [1, 1, 1, 1, 30, 1, 1, 1, 1], 38); var rect:Rectangle = new Rectangle(0, 0, Stage.width, 200); var bitmap1 = new BitmapData(rect.width, rect.height, false,0x00000000); var bitmap2 = new BitmapData(rect.width, rect.height, true,0x00000000); var bitmapShow1 = createEmptyMovieClip("bitmapShow1", 1).attachBitmap(bitmap1, 1); //粒子的显示画布 var bitmapShow2 = createEmptyMovieClip("bitmapShow2", 2).attachBitmap(bitmap2, 2); //白色闪光点的显示画布 var m_mouseX;//鼠标x坐标 var m_mouseY;//鼠标y坐标 var sound1 = new Sound(); //上升过程的声音 var sound2 = new Sound();//爆炸声音 var bit_px = new Array(bits);//爆炸过程的x坐标 var bit_py = new Array(bits);//爆炸过程的y坐标 var bit_vx = new Array(bits);//爆炸过程的x速度 var bit_vy = new Array(bits);//爆炸过程的y速度 var bit_sx = new Array(bits);//上升过程的x坐标 var bit_sy = new Array(bits);//上升过程的y坐标 var bit_l = new Array(bits);//粒子的生命时间 var bit_f = new Array(bits);//是上升还是爆炸的标志 var bit_p = new Array(bits);//随机出现白色闪光点的标志 var bit_c = new Array(bits);//粒子颜色 init(); function init() { sound1.attachSound("sound1"); sound2.attachSound("sound2"); bits = 500;//总的最大粒子数 bit_max = 50;//一次出现的粒子数 bit_sound = 2; for (var j = 0; j<bits; j++) { bit_f[j] = 0; } } onEnterFrame = function () { bitmap2.fillRect(new Rectangle(0, 0, rect.width, rect.height), 0x00000000); //白色闪光点清除 //bitmap2.applyFilter(bitmap, bitmap.rectangle, new Point(0, 0), con); rend(); bitmap1.applyFilter(bitmap1, bitmap1.rectangle, new Point(0, 0), con); //模糊滤镜 }; onMouseDown = function () { m_mouseX = _root._xmouse; m_mouseY = _root._ymouse; if (rect.contains(m_mouseX, m_mouseY)) { var k = int(Math.random()*256); var l = int(Math.random()*256); var i1 = int(Math.random()*256); var j1 = k << 16 | l << 8 | i1; var k1 = 0; for (var l1 = 0; l1<bits; l1++) { if (bit_f[l1] != 0) { continue; } bit_px[l1] = m_mouseX; bit_py[l1] = m_mouseY; var d = Math.random()*6.28; var d1 = Math.random(); bit_vx[l1] = Math.sin(d)*d1/2; bit_vy[l1] = Math.cos(d)*d1/2; bit_l[l1] = int(Math.random()*100)+100; bit_p[l1] = int(Math.random()*3); if (random(4) == 0) { bit_c[l1] = 0xFFFFFF; } else { bit_c[l1] = j1; } bit_sx[l1] = m_mouseX; bit_sy[l1] = rect.height-5; bit_f[l1] = 2; if (++k1 == bit_max) { break; } } sound1.start(0); } }; function rend() { var flag:Boolean = false; var flag1:Boolean = false; var flag2:Boolean = false; for (var k = 0; k<bits; k++) { |