com.luongbui.gdx.libpd.pianotest.character.PianoKey.java Source code

Introduction

Here is the source code for com.luongbui.gdx.libpd.pianotest.character.PianoKey.java

Source

/*******************************************************************************
 * Copyright 2014 Manh Luong   Bui
 * 
 * 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.luongbui.gdx.libpd.pianotest.character;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.InputListener;
import com.luongbui.gdx.libpd.pianotest.PianoTest;

public class PianoKey extends Actor {

    private final PianoTest game;

    private ShapeRenderer renderer;

    private boolean isPressed;

    private boolean isLight;

    private float hertz;

    public PianoKey(float x, float y, float width, float height, float hertz, final PianoTest game) {

        renderer = new ShapeRenderer();
        isPressed = false;
        isLight = true;
        this.hertz = hertz;
        this.game = game;

        final PianoKey thisPtr = this;

        setBounds(x, y, width, height);
        addListener(new InputListener() {
            @Override
            public void enter(InputEvent event, float x, float y, int pointer, Actor fromActor) {
                isPressed = true;
                game.getAudioEngine().sendBang("stop");
                game.getAudioEngine().sendFloat("freq", thisPtr.getHertz());
                game.getAudioEngine().sendBang("trig");
            }

            @Override
            public void exit(InputEvent event, float x, float y, int pointer, Actor fromActor) {
                isPressed = false;
            }
        });

    }

    @Override
    public void act(float delta) {

    }

    @Override
    public void draw(Batch batch, float delta) {

        batch.end();

        renderer.setProjectionMatrix(batch.getProjectionMatrix());
        renderer.setTransformMatrix(batch.getTransformMatrix());
        renderer.translate(getX(), getY(), 0);

        if (isLight) {
            if (!isPressed)
                renderer.begin(ShapeType.Line);
            else
                renderer.begin(ShapeType.Filled);
        } else {
            if (isPressed)
                renderer.begin(ShapeType.Line);
            else
                renderer.begin(ShapeType.Filled);
        }

        renderer.setColor(Color.BLACK);
        renderer.rect(0, 0, getWidth(), getHeight());
        renderer.end();

        batch.begin();

    }

    public float getHertz() {
        return hertz;
    }

    public void switchTheme() {
        isLight = !isLight;
    }
}