Android Open Source - Avoidance Jump






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Back to project page Avoidance.

License

The source code is released under:

GNU General Public License

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Java Source Code

/* 
 * Copyright (c) 2012 Markus Ekstr?m//  w w w.  j ava2  s  .c  om
 * 
 * This file is part of Avoidance.
 * 
 * Avoidance is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Avoidance is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Avoidance.  If not, see <http://www.gnu.org/licenses/>. 
 *  
 */
package se.chalmers.avoidance.core.components;

import com.artemis.Component;

/**
 * Contains information about the status of an entity.
 * 
 * E.g. whether or not the entity is in the air.
 * 
 * @author Markus Ekstr?m
 */
public class Jump extends Component {
  private boolean inTheAir = false;
  public static final float IN_THE_AIR_MAX_DURATION = 2;
  private float inTheAirDurationLeft;
  public static final float JUMP_COOLDOWN = 5;
  private float jumpCooldownLeft = 0;

  /**
   * Sets if the entity is in the air.
   * 
   * @param inTheAir
   *            Decides if the entity is in the air.
   */
  public void setInTheAir(boolean inTheAir) {
    this.inTheAir = inTheAir;
    if (inTheAir) {
      inTheAirDurationLeft = IN_THE_AIR_MAX_DURATION;
      jumpCooldownLeft = JUMP_COOLDOWN;
    }
  }

  /**
   * Queries if the entity is in the air.
   * 
   * @return True if it is, false if it isn't.
   */
  public boolean isInTheAir() {
    return inTheAir;
  }

  /**
   * Subtracts from the duration left before the entity touches the ground. If
   * the passed variable will set the duration left to less than zero, the
   * duration left will be set to zero.
   * 
   * @param subtractionAmount
   *            The amount to subtract from the duration left.
   */
  public void subtractInTheAirDurationLeft(float subtractionAmount) {
    if (inTheAir) {
      inTheAirDurationLeft = Math.max(0,
          (inTheAirDurationLeft - subtractionAmount));
    }
  }

  /**
   * Returns how much air time the entity has left.
   * 
   * @return The amount of air time the entity has left.
   */
  public float getInTheAirDurationLeft() {
    return inTheAirDurationLeft;
  }

  /**
   * Sets how much is left of the jump cooldown.
   * 
   * @param cooldownLeft
   *            How long is left of the cooldown.
   */
  public void setJumpCooldownLeft(float cooldownLeft) {
    this.jumpCooldownLeft = cooldownLeft;
  }

  /**
   * Subtracts from the duration left before the entity is able to jump again.
   * 
   * @param subtractionAmount
   *            The amount to subtract from the duration left.
   */
  public void subtractJumpCooldownLeft(float subtractionAmount) {
    jumpCooldownLeft = Math.max(0, (jumpCooldownLeft - subtractionAmount));
  }

  /**
   * Returns the cooldown left on jump.
   * 
   * @return The cooldown left.
   */
  public float getJumpCooldownLeft() {
    return jumpCooldownLeft;
  }
}




Java Source Code List

se.chalmers.avoidance.MainActivity.java
se.chalmers.avoidance.constants.EventMessageConstants.java
se.chalmers.avoidance.constants.FileConstants.java
se.chalmers.avoidance.constants.FontConstants.java
se.chalmers.avoidance.constants.GameConstants.java
se.chalmers.avoidance.core.EntityFactory.java
se.chalmers.avoidance.core.collisionhandlers.CollisionHandler.java
se.chalmers.avoidance.core.collisionhandlers.EnemyCollisionHandler.java
se.chalmers.avoidance.core.collisionhandlers.GameOverNotifier.java
se.chalmers.avoidance.core.collisionhandlers.KillplayerobstacleCollisionHandler.java
se.chalmers.avoidance.core.collisionhandlers.PitobstacleCollisionHandler.java
se.chalmers.avoidance.core.collisionhandlers.PowerUpCollisionHandler.java
se.chalmers.avoidance.core.collisionhandlers.WallCollisionHandler.java
se.chalmers.avoidance.core.components.Acceleration.java
se.chalmers.avoidance.core.components.Buff.java
se.chalmers.avoidance.core.components.Friction.java
se.chalmers.avoidance.core.components.Immortal.java
se.chalmers.avoidance.core.components.Jump.java
se.chalmers.avoidance.core.components.Score.java
se.chalmers.avoidance.core.components.Size.java
se.chalmers.avoidance.core.components.Sound.java
se.chalmers.avoidance.core.components.Spatial.java
se.chalmers.avoidance.core.components.Time.java
se.chalmers.avoidance.core.components.Transform.java
se.chalmers.avoidance.core.components.Velocity.java
se.chalmers.avoidance.core.states.GameOverScene.java
se.chalmers.avoidance.core.states.GameState.java
se.chalmers.avoidance.core.states.HighScoreState.java
se.chalmers.avoidance.core.states.IState.java
se.chalmers.avoidance.core.states.MenuState.java
se.chalmers.avoidance.core.states.StateID.java
se.chalmers.avoidance.core.states.StateManager.java
se.chalmers.avoidance.core.systems.CollisionSystem.java
se.chalmers.avoidance.core.systems.EnemyControlSystem.java
se.chalmers.avoidance.core.systems.HudRenderSystem.java
se.chalmers.avoidance.core.systems.PlayerControlSystem.java
se.chalmers.avoidance.core.systems.SoundSystem.java
se.chalmers.avoidance.core.systems.SpatialRenderSystem.java
se.chalmers.avoidance.core.systems.SpawnSystem.java
se.chalmers.avoidance.input.AccelerometerListener.java
se.chalmers.avoidance.input.TouchListener.java
se.chalmers.avoidance.util.AudioManager.java
se.chalmers.avoidance.util.FileUtils.java
se.chalmers.avoidance.util.ScreenResolution.java
se.chalmers.avoidance.util.Utils.java