Android Open Source - DolphinOES Hoverable

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License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2014 See AUTHORS file.//from  ww w  .  j a  v a  2s.  c  o m
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.sidereal.dolphinoes.behaviors.triggers;

import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.math.Rectangle;
import com.sidereal.dolphinoes.architecture.AbstractEvent;
import com.sidereal.dolphinoes.architecture.DolphinOES;
import com.sidereal.dolphinoes.architecture.GameBehavior;
import com.sidereal.dolphinoes.architecture.GameObject;

/** Behavior that handles hovering over an area. Can handle being inside as well
 * as outside of the designated area.
 * 
 * @author Claudiu Bele */
public class Hoverable extends GameBehavior
{
  // region fields

  private Rectangle area;
  private AbstractEvent insideEvent;
  private AbstractEvent outsideEvent;

  private float offsetX, offsetY;
  private Sprite debugSprite;
  private static Sprite debugSpriteSource;

  // endregion fields

  // region constructors

  public Hoverable(GameObject obj)
  {

    super(obj);

    if (DolphinOES.debug.isEnabled())
      this.debugSprite = new Sprite(debugSpriteSource);
    GameBehavior.setDebugKeys(getClass(), new Integer[] { Keys.SHIFT_LEFT,
        Keys.X });
  }

  @Override
  protected void initialiseClass()
  {

    if (!DolphinOES.debug.isEnabled())
      return;

    debugSpriteSource = new Sprite(
        DolphinOES.assets.get(
            DolphinOES.assets.frameworkAssetsFolder + "White.png",
            Texture.class));
    debugSpriteSource.setColor(new Color(0.7f, 0, 1, 0.5f));
  }

  // endregion constructors

  // region methods

  @Override
  public void updateDebug()
  {

    debugSprite.setBounds(area.x, area.y, area.width, area.height);
    debugSprite.draw(object.gameBatch.spriteBatch);
  }

  @Override
  public void update()
  {

    // adapt the area based on the position of the object
    // so the position of the object is in the middle of the area
    area.x = object.pos.getX() + offsetX;
    area.y = object.pos.getY() + offsetY;

    // mouse click is inside the area of the object
    if (area.contains(object.gameBatch.mousePosition))
    {
      if (insideEvent != null)
        insideEvent.run();
    } else if (outsideEvent != null)
      outsideEvent.run();

  }

  public Rectangle getArea()
  {

    return area;
  }

  public void setAreaSize(float width, float height)
  {

    offsetX = -width / 2;
    offsetY = -height / 2;
    this.area = new Rectangle(object.pos.getX() - width / 2,
        object.pos.getY() - height / 2, width, height);
  }

  public void setAreaSize(float width, float height, float offsetX,
      float offsetY)
  {

    this.offsetX = offsetX;
    this.offsetY = offsetY;
    this.area = new Rectangle(object.pos.getX() + offsetX,
        object.pos.getY() + offsetY, width, height);
  }

  public void setArea(Rectangle area)
  {

    this.area = area;
  }

  public AbstractEvent getEvent()
  {

    return insideEvent;
  }

  public void setEventOnInside(AbstractEvent event)
  {

    this.insideEvent = event;
  }

  public void setEventOnOutside(AbstractEvent event)
  {

    this.outsideEvent = event;
  }

  // endregion methods
}

Java Source Code List

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