Elimination of unnecessary implementation.

projects/hanappe/src/hp/lang/class.lua

@@ -56,103 +56,4 @@ function M:new(...)
     return obj
 end
 
-
-
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--- modules that extend functionality of the math.
--- @class table
--- @name math
---------------------------------------------------------------------------------
-local math = setmetatable({}, {__index = _G.math})
-
---------------------------------------------------------------------------------
--- Calculate the average of the values of the argument.
--- @param ... The number of variable-length argument
--- @return average
---------------------------------------------------------------------------------
-function math.average(...)
-    local total = 0
-    local array = {...}
-    for i, v in ipairs(array) do
-        total = total + v
-    end
-    return total / #array
-end
-
---------------------------------------------------------------------------------
--- Calculate the total values of the argument
--- @param ... The number of variable-length argument
--- @return total
---------------------------------------------------------------------------------
-function math.sum(...)
-    local total = 0
-    local array = {...}
-    for i, v in ipairs(array) do
-        total = total + v
-    end
-    return total
-end
-
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--- TODO
---------------------------------------------------------------------------------
-function math.distance( x0, y0, x1, y1 )
-    if not x1 then x1 = 0 end
-    if not y1 then y1 = 0 end
-
-    local dX = x1 - x0
-    local dY = y1 - y0
-    local dist = math.sqrt((dX * dX) + (dY * dY))
-    return dist
-end
-
---------------------------------------------------------------------------------
--- TODO
---------------------------------------------------------------------------------
-function math.normalize( x, y )
-    local d = math.distance( x, y )
-    return x/d, y/d
-end
-
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--- TODO
---------------------------------------------------------------------------------
-function math.getAngle( a, b, c )
-    local result
-    if c then
-        local ab, bc = { }, { }
-
-        ab.x = b.x - a.x;
-        ab.y = b.y - a.y;
-
-        bc.x = b.x - c.x;
-        bc.y = b.y - c.y;
-
-        local angleAB   = math.atan2( ab.y, ab.x )
-        local angleBC   = math.atan2( bc.y, bc.x )
-        result = angleAB - angleBC
-    else
-        local ab = { }
-
-        ab.x = b.x - a.x;
-        ab.y = b.y - a.y;
-        result = math.deg( math.atan2( ab.y, ab.x ) )
-
-    end
-    return  result
-end
-
---------------------------------------------------------------------------------
--- TODO
---------------------------------------------------------------------------------
-function math.clamp( v, min, max )
-    if v < min then
-        v = min
-    elseif v > max then
-        v = max
-    end
-    return v
-end
-
-
 return M