28 lines
503 B
Lua
28 lines
503 B
Lua
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function math.sign(x)
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if x<0 then
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return -1
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elseif x>0 then
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return 1
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else
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return 0
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end
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end
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function Vector(init_x, init_y, final_x, final_y)
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local distance_x = final_x - init_x
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local distance_y = final_y - init_y
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return {distance_x, distance_y}
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end
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function GetVectorValue(vector)
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return math.sqrt(vector[1] ^ 2 + vector[2] ^ 2)
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end
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function GetAngleFromVector(x,y)
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local reduce = 0
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if x < 0 then
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reduce = math.rad(180)
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end
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return math.atan(y/x) - reduce
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end
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