各位H5大神，请问一下 就以 密室逃脱 这个游戏来说，他的关卡和最高关卡都是用canvas把一张0到9的图片来绘制的 。我就想问下我该如何获得这个值？例如我想让玩家在玩到第20关时alert一下，我现在不知道如何判断玩家是否达到20关？我是新手，不懂怎么算图片的X，Y。。。
部分JS：
(t.canvas.drawImage("score", n + 30, r + 200).drawNumber(v.mission, "numberimg", 8, 15, n + 84, r + 202, !1), t.canvas.drawImage("Hscore", n + 30, r + 170).drawNumber(H, "numberimg", 8, 15, n + 124, r + 172, !1), c.draw("retry", 0, c.isPressed ? 1 : 0, c.w, c.h, c.x, c.y, c.w, c.h), h.draw("back", 0, h.isPressed ? 1 : 0, h.w, h.h, h.x, h.y, h.w, h.h))
回复讨论(解决方案)
你不用管它是怎么显示的，这个关卡数的值是肯定存放于js的某一变量中的，你直接用这个变量判断就可以了
你不用管它是怎么显示的，这个关卡数的值是肯定存放于js的某一变量中的，你直接用这个变量判断就可以了
真的也。。好神奇，居然存有数字的值。。。大神就是大神。。。能告诉我是怎么把画图变成数字来存的吗。。。
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