我写一些JavaScript从阵列创建X和Y座标,所以我有这样的代码:为什么忽略这两个位置?
var map1 = [
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,gg,
];
for (var i=0; i<map1.length; i++) {
if (i > 16) {
dy = Math.floor(i/15) * 16;
}
dx = i * 16
while (dx >= 240) {
dx = dx - 240;
}
}
和代码作品非常好,除了坐标0,1和1,1的arent工作?这些坐标正在使用此页面上的主体here构建一个具有16px块的画布。并dx
和dy
适合这个等式,ctx.drawImage(tileset, sx, sy, sWidth, sHeight, dx, dy, dWidth, dHeight);
谢谢!
我假设dx和dy是坐标吗? 0,1和1,1的当前值是什么,你期望它们是什么? – Jonah 2013-05-06 00:57:48
'dy'只在一个条件下定义。它在第一次循环运行时说什么它的价值?它是一个很大的混乱代码,缺少逗号,并且有一个疯狂的废话“while”。 – Havenard 2013-05-06 01:02:40
但它是在一个for循环的条件下,同时是带来礼服过去16 – 2013-05-06 01:22:54