本来是打算独立重写两个项目的，但五子连珠棋盘显然很适合作为太空船的打击对象（
太空船 👾
它是第一个被重构的，细节不多说，方向键移动空格开炮，其它看 www.websiteasteroids.com
还有按 1 增加一盘， 2 增加彩球、B 键刷新（我在干什么我，为什么要用五子棋盘当靶子…… 🤪 ）
手机触屏估计下个版本支持吧
大太空船 👾👾
它是更激进的重构，预期会支持触摸屏，能重显隐藏的元素（不止能用于打掉广告）
Refactor Notes[0]:
- Use physics-style naming
- Remove unnecessary newlines
- Rename Vector to Vec2
- Remove unused Vector methods, Remove class Line
- Resort Vec2 methods and config HTML tagName s
- Move radians, random(range) to object maths
- L510: Replace toggleBlinkStyle() with DOMTokenList.toggle, Remove unused at L150, and updated.blink.isActive
- Replace updated.blink.time with updated.time.blink
- Replace Logic
time += delta * 1000; if(time>tDelay) {op();time=0;}with (the same of firedAt) - Move this.firedAt into updated.time
- Replace (w,h) related double-init with check event-arg in canvasResize
- Extract ALL "ASTEROIDS" const-string prefix
- Remove unused L142 totalEnemies and its update code in updateEnemyIndex()
- Remove buggy mokey-patch case " ": fireAt=1 at L247
- Remove unnecessary if()for() at L556
- Make ALL element tree creation using
el(tagName,confs,childs)at L285