Android Open Source - snappyfrog Res Helper

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Back to project page snappyfrog.

License

The source code is released under:

Apache License

Java Source Code

package com.masseranolabs.snappyfrog;
/*w w w . jav  a2 s  .  c  o  m*/
// Resolution helper
public class ResHelper {
  public static int LinearWidthValue(int value){ 
    return (int)((float)value/(float)Game.VIRTUAL_WIDTH * (float)Game.getWidth()); 
  }
  public static int LinearHeightValue(int value){ 
    return (int)((float)value/(float)Game.VIRTUAL_HEIGHT * (float)Game.getHeight()); 
  }
  
  public static float LinearWidthValue(float value){
    return (float)value/(float)Game.VIRTUAL_WIDTH * (float)Game.getWidth(); 
  }
  public static float LinearHeightValue(float value){
    return (float)value/(float)Game.VIRTUAL_HEIGHT * (float)Game.getHeight(); 
  }
  
  public static float StretchScaleMultipleOfTwoWidth(float scale, float itemSize){
    int v = (int) Math.ceil(scale * (float)Game.getWidth() / (float)Game.VIRTUAL_WIDTH);
    // http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2
    v--;
    v |= v >> 1;
    v |= v >> 2;
    v |= v >> 4;
    v |= v >> 8;
    v |= v >> 16;
    v++;
    
    while(v * itemSize > Game.getWidth() && v > 1) v--;
    
    return (float)v;
  }
  
}

Java Source Code List

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