Android Open Source - MiP-Android-SDK Joystick Data

• Back to Development/sdk  ↑

From Project

Back to project page MiP-Android-SDK.

License

The source code is released under:

Apache License

Java Source Code

package com.wowwee.mipsample;
//from  w  w  w  . j  a  v a 2s .c  om
import android.graphics.Point;

public class JoystickData {
  public enum TYPE
  {
    LEFT,
    RIGHT
  }
  
  public final static int INVALID_POINTER_ID = -1;
  
  public final TYPE type;
  public int pointerId;
  public Point startPoint;
  public Point dragPoint;
  public float maxJoystickValue;
  
  public JoystickData(TYPE type)
  {
    this.type = type;
    pointerId = INVALID_POINTER_ID;
    
    startPoint = new Point();
    dragPoint = new Point();
  }
  
  public void setStartPoint(int x, int y)
  {
    startPoint.x = x;
    startPoint.y = y;
    
    setDragPoint(x, y);
  }
  
  public void setDragPoint(int x, int y)
  {
    dragPoint.x = x;
    dragPoint.y = y;
  }
  
  public void setMaxJoystickValue(float max) {
    maxJoystickValue = max;
  }
  
  public float[] getMoveVector()
  {
    float dx = (dragPoint.x - startPoint.x) / maxJoystickValue;
    float dy = (dragPoint.y - startPoint.y) / maxJoystickValue;
    
    return new float[] { Math.max(-1, Math.min(1, dx)), Math.max(-1, Math.min(1, dy)) };
  }
  
  public void reset()
  {
    pointerId = INVALID_POINTER_ID;
    dragPoint.x = 0;
    dragPoint.y = 0;
    startPoint.x = 0;
    startPoint.y = 0;
  }
}

Java Source Code List

• Back to Development/sdk  ↑