Java tutorial
/******************************************************************************** * * Copyright 2014 Theodor Angergard * * 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 se.theodor.quiz; import java.lang.reflect.Field; import java.nio.charset.Charset; import se.theodor.quiz.screen.SplashScreen; import se.theodor.quiz.tween.AlphaTween; import se.theodor.quiz.tween.FloatTween; import se.theodor.quiz.tween.VectorTween; import se.theodor.quiz.util.Objects; import aurelienribon.tweenengine.Tween; import com.badlogic.gdx.Game; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Input.Keys; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.g2d.Sprite; import com.badlogic.gdx.math.Vector2; public class Quiz extends Game { @Override public void create() { Tween.registerAccessor(Sprite.class, new AlphaTween()); Tween.registerAccessor(Vector2.class, new VectorTween()); Tween.registerAccessor(FloatValue.class, new FloatTween()); System.setProperty("file.encoding", "UTF-8"); Field charset; try { charset = Charset.class.getDeclaredField("defaultCharset"); charset.setAccessible(true); charset.set(null, null); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (SecurityException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } Gdx.gl.glClearColor(43f / 255f, 65f / 255f, 129f / 255f, 1); setScreen(new SplashScreen(this)); } @Override public void dispose() { super.dispose(); } @Override public void render() { if (Gdx.input.isKeyPressed(Keys.ESCAPE)) { Gdx.app.exit(); } else if (Gdx.input.isKeyJustPressed(Keys.BACK)) { //TODO: GO BACK A SCREEN } Objects.CAMERA.update(); Objects.STAGE.getViewport().update(Gdx.graphics.getWidth(), Gdx.graphics.getHeight()); Objects.BATCH.setProjectionMatrix(Objects.CAMERA.combined); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); super.render(); } @Override public void resize(int width, int height) { super.resize(width, height); } @Override public void pause() { super.pause(); } @Override public void resume() { super.resume(); } public static float getWidth() { return Objects.CAMERA.viewportWidth; } public static float getHeight() { return Objects.CAMERA.viewportHeight; } }