hexyz is tower defense game, and a lua library for dealing with hexagonal grids
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  1. function rhue(a)
  2. local R = math.random(35, 75) / 100
  3. local G = math.random(35, 75) / 100
  4. local B = math.random(35, 75) / 100
  5. local A = a or math.random()
  6. return vec4(R, G, B, A)
  7. end
  8. function rmono()
  9. return vec4(1, 1, 1, math.random())
  10. end