Esempio n. 1
0
 qreal value(qreal t)
 {
     qreal a = (_a < 0) ? 1.0f : _a;
     switch(_t) {
     case In:
         return easeInBounce(t, a);
     case Out:
         return easeOutBounce(t, a);
     case InOut:
         return easeInOutBounce(t, a);
     case OutIn:
         return easeOutInBounce(t, a);
     default:
         return t;
     }
 }
Esempio n. 2
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 double valueForProgress ( double a_fProgress ) const
 {
     double fAmplitude = (m_fAmplitude < 0.0) ? 1.0 : m_fAmplitude;
     switch ( m_eType ) 
     {
     case In:
         return easeInBounce ( a_fProgress, fAmplitude );
     case Out:
         return easeOutBounce ( a_fProgress, fAmplitude );
     case InOut:
         return easeInOutBounce ( a_fProgress, fAmplitude );
     case OutIn:
         return easeOutInBounce ( a_fProgress, fAmplitude );
     default:
         return a_fProgress;
     }
 }
Esempio n. 3
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static qreal easeInBounce(qreal t)
{
	const qreal a = 1;
	return easeInBounce(t, a);
}
Esempio n. 4
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/**
 * Easing equation function for a bounce (exponentially decaying parabolic bounce) easing in/out: acceleration until halfway, then deceleration.
 *
 * @param t		Current time (in frames or seconds).
 * @param a		Amplitude.
 * @return		The correct value.
 */
static qreal easeInOutBounce(qreal t, qreal a)
{
    if (t < 0.5) return easeInBounce (2*t, a)/2;
    else return (t == 1.0) ? 1.0 : easeOutBounce (2*t - 1, a)/2 + 0.5;
}
Esempio n. 5
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  double easeInOutBounce(double t, double b, double c, double d)
  {
    if (t < d/2) return easeInBounce (t*2, 0, c, d) * .5 + b;
		else return easeOutBounce (t*2-d, 0, c, d) * .5 + c*.5 + b;
  }