Android Open Source - Stickman Friendly

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Back to project page Stickman.

License

The source code is released under:

Apache License

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Java Source Code

package com.wireframe.stickman;
// w  w w.j a  v a  2 s . c o m
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;

public class Friendly extends AICharacter{
  private Player player = null;

  public Friendly(float x, float y, float z, float x2, float y2) {
    this(new Vector3(x,y,z), new Vector2(x2,y2));
  }

  public Friendly(Vector3 position, Vector2 size) {
    super("friendly", position, size);
  }

  public void update(){
    
    // Move Character
    super.update();
    
    // Make sure we are alive
    if( !isAlive() ) return;
    
    // Only follow player if we don't have a target
    if( target != null ){
      return;
    }
    
    
    // Move towards player?
    if( player != null ){
      if( canSee(player) ){
        if( !playerIsNear(player) ) {
          followPlayer();
          return;
        }
        else if( moving() ) {
          stopMoving();
          return;
        }
      }
      else{
        player = null;
      }
    }
    else{
      // Where is the player?
      lookForPlayer();
      return;
    }
  }  

  private void lookForPlayer() {
    Player worldPlayer = World.getPlayer();
    
    // Check if the player is on the same Y
    if( (int)worldPlayer.getPosition().y != (int)getPosition().y ){
      return;
    }
    
    // Check if he's within 200 pixels on X
    if((int) worldPlayer.getPosition().x < (int)getPosition().x-200 &&
        (int)worldPlayer.getPosition().x > (int)getPosition().x+200){
      return;
    }
    
    
    // Can see the player
    player = worldPlayer;
  }

  private void followPlayer(){
    if( playerIsToTheLeft(player) ){
      if( movingRight() ) stopMoveingRight();
      if( !movingLeft() ) moveLeft();
    }
    else if( playerIsToTheRight(player) ){
      if( !movingRight() ) moveRight();
      if( movingLeft() ) stopMoveingLeft();
    }
  }

  private boolean playerIsNear(Player player){
    return getPosition().x + getWidth() >= player.getPosition().x &&
        getPosition().x <= player.getPosition().x + player.getWidth();
  }
  
  private boolean playerIsToTheRight(Player player){
    return player.getPosition().x > this.getPosition().x;
  }
  
  private boolean playerIsToTheLeft(Player player){
    return player.getPosition().x < this.getPosition().x;
  }
}

Java Source Code List