com.mygdx.game.LoadingGameScreen.java Source code

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Here is the source code for com.mygdx.game.LoadingGameScreen.java

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/*******************************************************************************
 * Copyright 2015 See AUTHORS file.
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.mygdx.game;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Camera;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.utils.viewport.FitViewport;
import com.badlogic.gdx.utils.viewport.Viewport;
import com.mygdx.game.gdxkit.LoadableGdxScreen;
import com.mygdx.game.gdxkit.LoadingGdxScreen;

/** @author davebaol */
public class LoadingGameScreen extends LoadingGdxScreen<GdxDemo3D> {

    private static final float PROGRESS_BAR_WIDTH = GdxDemo3D.WIDTH / 3f;
    private static final float PROGRESS_BAR_HEIGHT = GdxDemo3D.HEIGHT / 20f;

    private ShapeRenderer shapeRenderer;
    private Viewport viewport;
    private Camera camera;

    public LoadingGameScreen(GdxDemo3D game, LoadableGdxScreen<GdxDemo3D> nextScreen) {
        super(game, nextScreen);
    }

    @Override
    public void resize(int width, int height) {
        viewport.update(width, height);
    }

    @Override
    public void show() {
        camera = new OrthographicCamera();
        camera.position.set(GdxDemo3D.WIDTH * .5f, GdxDemo3D.HEIGHT * .5f, 0);
        camera.update();
        viewport = new FitViewport(GdxDemo3D.WIDTH, GdxDemo3D.HEIGHT, camera);
        shapeRenderer = new ShapeRenderer();
    }

    @Override
    public void renderProgress(float delta, float progress) {
        Gdx.gl.glClearColor(Color.BLACK.r, Color.BLACK.g, Color.BLACK.b, Color.BLACK.a);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        shapeRenderer.setProjectionMatrix(camera.projection);
        shapeRenderer.setTransformMatrix(camera.view);
        shapeRenderer.begin(ShapeRenderer.ShapeType.Filled);
        float x = (GdxDemo3D.WIDTH - PROGRESS_BAR_WIDTH) / 2;
        float y = (GdxDemo3D.HEIGHT - PROGRESS_BAR_HEIGHT) / 2;
        float k = 4;
        shapeRenderer.setColor(Color.WHITE);
        shapeRenderer.rect(x - k, y - k, PROGRESS_BAR_WIDTH + k * 2, PROGRESS_BAR_HEIGHT + k * 2);
        shapeRenderer.setColor(Color.BLUE);
        shapeRenderer.rect(x, y, PROGRESS_BAR_WIDTH * progress, PROGRESS_BAR_HEIGHT);
        shapeRenderer.end();
    }

    @Override
    public void dispose() {
        shapeRenderer.dispose();
    }

}