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Lua学习�?-util.lua

晨风 — Fri, 04 Jul 2008 07:32:00 GMT

-- util.lua
-- Common Lua Function
-- Author: Liu Denghong
-- Date: 20080702

require "liu"

liu.util = liu.util or {version = 0.1;};
liu.util.Print=function(msg)
print(msg);
end;

-- Min
liu.util.Min = function(a,b)
return (aend;

-- Max
liu.util.Max = function(a,b)
return (a>b and a) or b;
end;

-- IsTrue
liu.util.IsTrue = function(a)
return (a~=false and a~=nil);
end;

-- 只适用于表: a={"liu","deng","hong"};
-- 不适用于记录型�? b={name="liu", name1="deng", name2="hong"}
-- �{��h于ipairs(t)
liu.util.TableIter = function(t)
local i = 0
local n = table.getn(t)

return function ()
i = i + 1
if i <= n then return t[i] end
end
end

晨风 2008-07-04 15:32 发表评论

lua学习�?-liu.lua

晨风 — Wed, 02 Jul 2008 03:03:00 GMT

-- liu.lua
-- Common Lua Function
-- Author: Liu Denghong
-- Date: 20080630

liu = liu or {version='0.1';};

-- Examp: liu.Apply(liu, {a=1,b=2});
liu.Apply = function(o, c, defaults)
if defaults then
    liu.Apply(o, defaults);
end
if (o and c and type(c)=="table") then
    for p,v in pairs(c) do
      o[p] = v;
    end
end
end

liu.Apply(liu, {
EmptyFn = function() end;

Num = function(v, defaultValue)
    if(type(v) ~= "number") then
      return defaultValue;
    end
    return v;
end;

});

晨风 2008-07-02 11:03 发表评论

晨风 — Tue, 18 Mar 2008 05:36:00 GMT
     摘要: 藕看�?lt;<3D场景中的圆�Ş天空��?gt;>一�?照上面写了下面的directX 9 代码�Q?�q�里只有一个空的线框模型�? // SkyBody.hpp #include #define PI 3.1415926535897f #define DTOR (PI/180.0f...  阅读全文

晨风 2008-03-18 13:36 发表评论