Ram Prakash Ayyam Perumal imnuvi
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/ 2d_vector.js
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December 3, 2020 10:29
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| // this is a side helper class to perform vector calculations, that are useful for certain movement and calculations | |
| function Vector2(x,y){ | |
| this.x = (x === undefined) ? 0 : x; | |
| this.y = (y === undefined) ? 0 : y; | |
| } | |
| Vector2.prototype = { | |
| unit: function(){ |
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| # code to sort a list based on second index | |
| lst = [[1,"e"],[2,"t"],[9,"a"][5,"r"][4,"b"]] | |
| ans = sorted(lst,key=lambda x: (x[1], x[0])) |