mirror of
https://github.com/orange-cpp/omath.git
synced 2026-04-18 15:03:27 +00:00
orange
943472cf64
decomposed method added vector2, vector4 refactored tests added opengl engine to lua added other engines added source tests removed tons of lua files
103 lines
2.3 KiB
Lua
103 lines
2.3 KiB
Lua
local function approx(a, b) return math.abs(a - b) < 1e-5 end
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function Vec2_Constructor_default()
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local v = omath.Vec2.new()
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assert(v.x == 0 and v.y == 0)
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end
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function Vec2_Constructor_xy()
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local v = omath.Vec2.new(3, 4)
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assert(v.x == 3 and v.y == 4)
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end
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function Vec2_Field_mutation()
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local v = omath.Vec2.new(1, 2)
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v.x = 9; v.y = 8
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assert(v.x == 9 and v.y == 8)
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end
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function Vec2_Addition()
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local c = omath.Vec2.new(1, 2) + omath.Vec2.new(3, 4)
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assert(c.x == 4 and c.y == 6)
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end
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function Vec2_Subtraction()
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local c = omath.Vec2.new(5, 7) - omath.Vec2.new(2, 3)
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assert(c.x == 3 and c.y == 4)
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end
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function Vec2_UnaryMinus()
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local b = -omath.Vec2.new(1, 2)
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assert(b.x == -1 and b.y == -2)
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end
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function Vec2_Multiplication_scalar()
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local b = omath.Vec2.new(2, 3) * 2.0
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assert(b.x == 4 and b.y == 6)
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end
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function Vec2_Multiplication_scalar_reversed()
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local b = 2.0 * omath.Vec2.new(2, 3)
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assert(b.x == 4 and b.y == 6)
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end
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function Vec2_Division_scalar()
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local b = omath.Vec2.new(4, 6) / 2.0
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assert(b.x == 2 and b.y == 3)
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end
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function Vec2_EqualTo_true()
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assert(omath.Vec2.new(1, 2) == omath.Vec2.new(1, 2))
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end
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function Vec2_EqualTo_false()
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assert(not (omath.Vec2.new(1, 2) == omath.Vec2.new(9, 9)))
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end
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function Vec2_LessThan()
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assert(omath.Vec2.new(1, 0) < omath.Vec2.new(3, 4))
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end
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function Vec2_LessThanOrEqual()
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-- (3,4) and (4,3) both have length 5
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assert(omath.Vec2.new(3, 4) <= omath.Vec2.new(4, 3))
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end
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function Vec2_ToString()
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assert(tostring(omath.Vec2.new(1, 2)) == "Vec2(1, 2)")
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end
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function Vec2_Length()
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assert(approx(omath.Vec2.new(3, 4):length(), 5.0))
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end
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function Vec2_LengthSqr()
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assert(omath.Vec2.new(3, 4):length_sqr() == 25.0)
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end
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function Vec2_Normalized()
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local n = omath.Vec2.new(3, 4):normalized()
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assert(approx(n.x, 0.6) and approx(n.y, 0.8))
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end
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function Vec2_Dot()
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assert(omath.Vec2.new(1, 2):dot(omath.Vec2.new(3, 4)) == 11.0)
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end
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function Vec2_DistanceTo()
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assert(approx(omath.Vec2.new(0, 0):distance_to(omath.Vec2.new(3, 4)), 5.0))
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end
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function Vec2_DistanceToSqr()
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assert(omath.Vec2.new(0, 0):distance_to_sqr(omath.Vec2.new(3, 4)) == 25.0)
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end
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function Vec2_Sum()
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assert(omath.Vec2.new(3, 4):sum() == 7.0)
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end
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function Vec2_Abs()
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local a = omath.Vec2.new(-3, -4):abs()
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assert(a.x == 3 and a.y == 4)
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end
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