Android Open Source - Coloring-book Animated Particle

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Back to project page Coloring-book.

License

The source code is released under:

Apache License

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Java Source Code

package com.plattysoft.leonids;
//from  w w  w  .  ja  va 2 s  . co  m
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.BitmapDrawable;

public class AnimatedParticle extends Particle {

  private AnimationDrawable mAnimationDrawable;
  private int mTotalTime;

  public AnimatedParticle(AnimationDrawable animationDrawable) {
    mAnimationDrawable = animationDrawable;
    mImage = ((BitmapDrawable) mAnimationDrawable.getFrame(0)).getBitmap();
    // If it is a repeating animation, calculate the time
    mTotalTime = 0;
    for (int i=0; i<mAnimationDrawable.getNumberOfFrames(); i++) {
      mTotalTime += mAnimationDrawable.getDuration(i);
    }
  }

  @Override
  public boolean update(long miliseconds) {
    boolean active = super.update(miliseconds);
    if (active) {
      long animationElapsedTime = 0;
      long realMiliseconds = miliseconds - mStartingMilisecond;
      if (realMiliseconds > mTotalTime) {
        if (mAnimationDrawable.isOneShot()) {
          return false;
        }
        else {
          realMiliseconds = realMiliseconds % mTotalTime;
        }
      }
      for (int i=0; i<mAnimationDrawable.getNumberOfFrames(); i++) {
        animationElapsedTime += mAnimationDrawable.getDuration(i);
        if (animationElapsedTime > realMiliseconds) {
          mImage = ((BitmapDrawable) mAnimationDrawable.getFrame(i)).getBitmap();
          break;
        }
      }
    }
    return active;
  }
}

Java Source Code List