abg

Animated background for X11
git clone git://git.laack.co/abg.git
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utils.cpp (312B)

      1 #include "../include/utils.hpp"
      2 
      3 #include <cassert>
      4 
      5 float square(float x) { return x * x; }
      6 
      7 double distanceSquared(Vector2 v1, Vector2 v2) {
      8     double xSquare = square(v1.x - v2.x);
      9     double ySquare = square(v1.y - v2.y);
     10     double result = xSquare + ySquare;
     11     assert(result >= 0);
     12     return result;
     13 }