Easing equation function for a sinusoidal (sin(t)) easing in: accelerating from zero velocity. - CSharp System

CSharp examples for System:Math Easing Function

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Description

Easing equation function for a sinusoidal (sin(t)) easing in: accelerating from zero velocity.

Demo Code


using System;//from w w w . ja  v a 2 s. c o m

public class Main{
        /// <summary>
   /// Easing equation function for a sinusoidal (sin(t)) easing in: 
   /// accelerating from zero velocity.
   /// </summary>
   /// <param name="t">Current time in seconds.</param>
   /// <param name="b">Starting value.</param>
   /// <param name="c">Change in value.</param>
   /// <param name="d">Duration of animation.</param>
   /// <returns>The correct value.</returns>
   public static double SineEaseIn( double t, double b, double c, double d )
   {
      return -c * Math.Cos( t / d * ( Math.PI / 2 ) ) + c + b;
   }
}

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