Java tutorial
/******************************************************************************* * Copyright 2011 See AUTHORS file. * * 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.wilson.game.Screen; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.ScreenAdapter; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.math.Rectangle; import com.badlogic.gdx.math.Vector3; import com.wilson.game.System.GameView; import com.wilson.game.Utilities.Assets; import com.wilson.game.Utilities.Settings; public class MainMenuScreen extends ScreenAdapter { GameView game; OrthographicCamera guiCam; Rectangle soundBounds; Rectangle playBounds; Rectangle highscoresBounds; Rectangle helpBounds; Vector3 touchPoint; boolean inMenu; public MainMenuScreen(GameView game) { this.game = game; guiCam = new OrthographicCamera(320, 480); guiCam.position.set(320 / 2, 480 / 2, 0); soundBounds = new Rectangle(0, 0, 64, 64); playBounds = new Rectangle(160 - 150, 256 + 18, 300, 36); highscoresBounds = new Rectangle(160 - 150, 256 - 18, 300, 36); helpBounds = new Rectangle(160 - 150, 256 - 18 - 36, 300, 36); touchPoint = new Vector3(); } public void draw() { GL20 gl = Gdx.gl; gl.glClearColor(1, 0, 0, 1); gl.glClear(GL20.GL_COLOR_BUFFER_BIT); guiCam.update(); game.batcher.setProjectionMatrix(guiCam.combined); game.batcher.disableBlending(); game.batcher.begin(); game.batcher.draw(Assets.menuBackground, 0, 0, 320, 480); game.batcher.end(); game.batcher.enableBlending(); game.batcher.begin(); game.batcher.draw(Assets.mainMenu, 67, 230 - 90 / 2, 192, 160); game.batcher.draw(Settings.soundEnabled ? Assets.soundOn : Assets.soundOff, 0, 0, 64, 64); game.batcher.end(); } @Override public void render(float delta) { update(); draw(); } public void update() { if (Gdx.input.justTouched()) { guiCam.unproject(touchPoint.set(Gdx.input.getX(), Gdx.input.getY(), 0)); if (playBounds.contains(touchPoint.x, touchPoint.y)) { Assets.playSound(Assets.clickSound); game.setScreen(new GameScreen(game)); return; } if (highscoresBounds.contains(touchPoint.x, touchPoint.y)) { Assets.playSound(Assets.clickSound); game.setScreen(new HighscoresScreen(game)); return; } if (helpBounds.contains(touchPoint.x, touchPoint.y)) { Assets.playSound(Assets.clickSound); game.setScreen(new HelpScreen(game)); return; } if (soundBounds.contains(touchPoint.x, touchPoint.y)) { Assets.playSound(Assets.clickSound); Settings.soundEnabled = !Settings.soundEnabled; if (Settings.soundEnabled) Assets.music.play(); else Assets.music.pause(); } } } }