| public static floatEquals ( float a, float b ) : bool | ||
| a | float | |
| b | float | |
| return | bool | |
private static float easeInOutElastic(float t, float b, float c, float d)
{
float s;
float p;
float a = c;
if (MathUtils.floatEquals(t, 0))
{
return(b);
}
if (MathUtils.floatEquals(t /= d / 2, 2))
{
return(b + c);
}
p = d * (.3f * 1.5f);
if (a < Math.Abs(c))
{
a = c;
s = p / 4;
}
else
{
s = (float)(p / (2 * Math.PI) * Math.Asin(c / a));
}
if (t < 1)
{
return((float)(-.5f * (a * Math.Pow(2, 10 * (t -= 1)) * Math.Sin((t * d - s) * (2 * Math.PI) / p)) + b));
}
return((float)(a * Math.Pow(2, -10 * (t -= 1)) * Math.Sin((t * d - s) * (2 * Math.PI) / p) * .5f + c + b));
}
private static float easeOutElastic(float t, float b, float c, float d)
{
float s;
float p;
float a = c;
if (MathUtils.floatEquals(t, 0))
{
return(b);
}
if (MathUtils.floatEquals(t /= d, 1))
{
return(b + c);
}
p = d * .3f;
if (a < Math.Abs(c))
{
a = c;
s = p / 4;
}
else
{
s = (float)(p / (2 * Math.PI) * Math.Asin(c / a));
}
return((float)(a * Math.Pow(2, -10 * t) * Math.Sin((t * d - s) * (2 * Math.PI) / p) + c + b));
}
private static float easeInOutExpo(float t, float b, float c, float d)
{
if (MathUtils.floatEquals(t, 0))
{
return(b);
}
if (MathUtils.floatEquals(t, d))
{
return(b + c);
}
if ((t /= d / 2) < 1)
{
return((float)(c / 2 * Math.Pow(2, 10 * (t - 1)) + b));
}
return((float)(c / 2 * (-Math.Pow(2, -10 * --t) + 2) + b));
}
private static float easeOutExpo(float t, float b, float c, float d)
{
return(MathUtils.floatEquals(t, d) ? b + c : (float)(c * (-Math.Pow(2, -10 * t / d) + 1) + b));
}
private static float easeInExpo(float t, float b, float c, float d)
{
return(MathUtils.floatEquals(t, 0) ? b : (float)(c * Math.Pow(2, 10 * (t / d - 1)) + b));
}