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easing
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Cubic.as
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Text File
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2009-11-16
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588b
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28 lines
class com.robertpenner.easing.Cubic
{
function Cubic()
{
}
static function easeIn(t, b, c, d)
{
return c * (t /= d) * t * t + b;
}
static function easeOut(t, b, c, d)
{
return c * ((t = t / d - 1) * t * t + 1) + b;
}
static function easeInOut(t, b, c, d)
{
if((t /= d / 2) < 1)
{
return c / 2 * t * t * t + b;
}
return c / 2 * ((t -= 2) * t * t + 2) + b;
}
static function easeOutIn(t, b, c, d)
{
t /= d / 2;
return c / 2 * ((t = t - 1) * t * t + 1) + b;
}
}