王cl
2016-06-16 12:52
老师海葵没出来,为什么你的海葵就出来了呢?
var aneObj = function(){ this.x = []; this.h = []; } aneObj.prototype.num = 50; aneObj.prototype.init = function(){ for (var i = 0; i < this.num; i++) { this.x[i] = i * 16 + Math.random(); this.h[i] = 200 + Math.random() * 50; }; } aneObj.prototype.draw = function(){ ctx2.save(); ctx2.globalAlpha = 0.6; ctx2.lineWidth = 20; ctx2.lineCap = 'round'; ctx2.strokeStyle = '#3b154e'; for (var i = 0; i < this.num; i++) { // beginPath,moveTo,lineTo,stroke,strokeStyle,lineWidth,lineCap,globalAlpha ctx2.beginPath(); ctx2.moveTo(this.x[i], canHeight); ctx2.lineTo(this.x[i], canHeight - this.h[i]); ctx2.stroke(); }; ctx2.restore(); }
HTML5小游戏---爱心鱼(上)
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