view webGL/dandy/resources/sankaku.c~ @ 11:680b5b0cd1e4

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author NOBUYASU Oshiro
date Mon, 12 Jul 2010 08:01:12 +0900
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mycos = [];
mysin = [];

function Mycos(c)
{
    c %= 360;
    if(c < 0)
	c += 360;
    if((c <= 180))
	return (mycos[c]);
    if(c > 180)
	return (mycos[180 - (c - 180)]);
    return 0;
}

function Mysin(c)
{
    c %= 360;
    if( c < 0)
	c += 360;
    if(c <= 180)
	return (mysin[c]);
    if(c > 180)
	return (mysin[180 - (c - 180)] * -1);
    return 0;
}