基于libgdx ,java游戏引擎开发.zip

/** * */ package com.xingyuan.mariobros.screens; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Input; import com.badlogic.gdx.Screen; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.graphics.g2d.TextureAtlas; import com.badlogic.gdx.maps.MapObject; import com.badlogic.gdx.maps.objects.RectangleMapObject; import com.badlogic.gdx.maps.tiled.TiledMap; import com.badlogic.gdx.maps.tiled.TmxMapLoader; import com.badlogic.gdx.maps.tiled.renderers.OrthogonalTiledMapRenderer; import com.badlogic.gdx.math.Rectangle; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.physics.box2d.Body; import com.badlogic.gdx.physics.box2d.BodyDef; import com.badlogic.gdx.physics.box2d.Box2DDebugRenderer; import com.badlogic.gdx.physics.box2d.FixtureDef; import com.badlogic.gdx.physics.box2d.PolygonShape; import com.badlogic.gdx.physics.box2d.World; import com.badlogic.gdx.utils.viewport.FitViewport; import com.badlogic.gdx.utils.viewport.Viewport; import com.xingyuan.mariobros.scenes.Hud; import com.xingyuan.mariobros.sprites.Mario; import com.xingyuan.mariobros.tools.B2WorldCreator; import com.xingyuan.mariobros.MarioBros; /** * @author 星缘 * * 2018年5月9日 */ public class PlayScreen implements Screen { private MarioBros game; //怪物 玩家资源图片 private TextureAtlas atlas; private OrthographicCamera gameCamera; private Viewport gamePort; private Hud hud; // map private TmxMapLoader mapLoader; private TiledMap map; private OrthogonalTiledMapRenderer renderer; // box2d private World world; private Box2DDebugRenderer box2dDebugRenderer; private Mario mario; public PlayScreen(MarioBros game) { atlas = new TextureAtlas("Mario_and_Enemies.pack"); this.game = game; gameCamera = new OrthographicCamera(); gamePort = new FitViewport(MarioBros.V_WIDTH/MarioBros.PPM, MarioBros.V_HEIGHT/MarioBros.PPM, gameCamera); hud = new Hud(game.batch); mapLoader = new TmxMapLoader(); map = mapLoader.load("level1.tmx"); renderer = new OrthogonalTiledMapRenderer(map,1/MarioBros.PPM); gameCamera.position.set(gamePort.getWorldWidth() / 2, gamePort.getWorldHeight() / 2, 0); // box2d world = new World(new Vector2(0, -10), true); box2dDebugRenderer = new Box2DDebugRenderer(); new B2WorldCreator(world, map); //游戏角色 mario = new Mario(world,this); } public TextureAtlas getAtlas() { return atlas; } @Override public void show() { // TODO Auto-generated method stub } public void handleInput(float dt) { //方向键上 if(Gdx.input.isKeyJustPressed(Input.Keys.UP)) { mario.b2body.applyLinearImpulse(new Vector2(0,4f), mario.b2body.getWorldCenter(), true); } //方向右键 if(Gdx.input.isKeyJustPressed(Input.Keys.RIGHT) && mario.b2body.getLinearVelocity().x <= 2) { mario.b2body.applyLinearImpulse(new Vector2(1f,0), mario.b2body.getWorldCenter(), true); } //方向左键 if(Gdx.input.isKeyJustPressed(Input.Keys.LEFT) && mario.b2body.getLinearVelocity().x >= -2) { mario.b2body.applyLinearImpulse(new Vector2(-1f,0), mario.b2body.getWorldCenter(), true); } } public void update(float dt) { handleInput(dt); world.step(1/60f, 6, 2); mario.update(dt); gameCamera.position.x = mario.b2body.getPosition().x; gameCamera.update(); renderer.setView(gameCamera); } @Override public void render(float delta) { update(delta); Gdx.gl.glClearColor(0, 0, 0, 1); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); renderer.render(); //box2d box2dDebugRenderer.render(world, gameCamera.combined); game.batch.setProjectionMatrix(gameCamera.combined); game.batch.begin(); mario.draw(game.batch); game.batch.end(); game.batch.setProjectionMatrix(hud.stage.getCamera().combined); hud.stage.draw(); } @Override public void resize(int width, int height) { gamePort.update(width, height); } @Override public void pause() { // TODO Auto-generated method stub } @Override public void resume() { // TODO Auto-generated method stub } @Override public void hide() { // TODO Auto-generated method stub } @Override public void dispose() { map.dispose(); renderer.dispose(); world.dispose(); box2dDebugRenderer.dispose(); hud.dispose(); // TODO Auto-generated method stub } }