我有一个scene2d舞台，它应该显示按钮和触摸板，但它没有。它只是显示黑屏。这就是我正在做的事情：
的 skins.json 的
{
"com.badlogic.gdx.scenes.scene2d.ui.ImageButton$ImageButtonStyle": {
"buttonA": { "down": "buttonA", "up": "buttonA" },
"buttonB": { "down": "buttonB", "up": "buttonB" },
"buttonX": { "down": "buttonX", "up": "buttonX" },
"buttonY": { "down": "buttonY", "up": "buttonY" },
},
"com.badlogic.gdx.scenes.scene2d.ui.Touchpad$TouchpadStyle": {
"touchpad": {"background": "touchpadBG", "knob": "touchpadKnob"}
}
}
的 controller.java 的
package com.letigames.ananse.ui;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.InputListener;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.ImageButton;
import com.badlogic.gdx.scenes.scene2d.ui.ImageButton.ImageButtonStyle;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Touchpad;
import com.badlogic.gdx.scenes.scene2d.ui.Touchpad.TouchpadStyle;
import com.letigames.ananse.entity.Player;
import com.letigames.ananse.entity.util.Position;
import com.letigames.ananse.entity.util.Size;
import com.letigames.ananse.entity.util.TouchpadDirectional;
import com.letigames.ananse.weaponsSystem.util.Direction;
public class Controller {
public Controller(Stage stage, Player player,Size size){
this.stage = stage;
this.playerDirectional = new TouchpadDirectional(false, false, false, false);
this.screenSize = size;
this.MapButtons();
this.GenerateAtlas();
this.StyleButtons();
this.PlaceButtons();
this.AddButtonsToStage();
this.AssignActions(player);
System.out.println("* controller setup *");
}
private void MapButtons(){
this.buttonBStagePosition = new Position(this.screenSize.GetWidth() - (Controller.separator + (Controller.separator/4)),
this.screenSize.GetHeight() - (this.screenSize.GetHeight() - (Controller.separator/4)));
this.buttonYStagePosition = new Position(this.screenSize.GetWidth() - ((Controller.separator/4) + Controller.separator),
this.screenSize.GetHeight() - (this.screenSize.GetHeight() - ((Controller.separator/4) + Controller.separator + (Controller.separator/2))));
this.buttonAStagePosition = new Position(this.screenSize.GetWidth() - (((Controller.separator * 2)+ (Controller.separator/4) + (Controller.separator/2))),
this.screenSize.GetHeight() - (this.screenSize.GetHeight() - (Controller.separator/4)));
this.buttonXStagePosition = new Position(this.screenSize.GetWidth() - (((Controller.separator * 2)+ (Controller.separator/4) + (Controller.separator/2))),
this.screenSize.GetHeight() - (this.screenSize.GetHeight() - ((Controller.separator/4) + Controller.separator + (Controller.separator/2))));
this.touchpadStagePosition = new Position((Controller.separator/4), (Controller.separator/4));
this.buttonXRegionPosition = new Position(90, 100);
this.buttonYRegionPosition = new Position(90, 100);
this.buttonARegionPosition= new Position(90, 100);
this.buttonBRegionPosition = new Position(90, 100);
this.touchpadRegionPosition = new Position(90, 50);
System.out.println("* mapped buttons to their positions *");
}
private void GenerateAtlas(){
this.controllerAtlas = new TextureAtlas();
this.controllerTexture = new Texture(Gdx.files.internal("data/fishes.jpeg"));
this.controllerAtlas.addRegion("buttonA", new TextureRegion(this.controllerTexture, this.buttonARegionPosition.GetX(),
this.buttonARegionPosition.GetY(), Controller.size.GetWidth(), Controller.size.GetHeight()));
this.controllerAtlas.addRegion("buttonB", new TextureRegion(this.controllerTexture, this.buttonBRegionPosition.GetX(),
this.buttonBRegionPosition.GetY(), Controller.size.GetWidth(), Controller.size.GetHeight()));
this.controllerAtlas.addRegion("buttonX", new TextureRegion(this.controllerTexture, this.buttonXRegionPosition.GetX(),
this.buttonXRegionPosition.GetY(), Controller.size.GetWidth(), Controller.size.GetHeight()));
this.controllerAtlas.addRegion("buttonY", new TextureRegion(this.controllerTexture, this.buttonYRegionPosition.GetX(),
this.buttonYRegionPosition.GetY(), Controller.size.GetWidth(), Controller.size.GetHeight()));
this.controllerAtlas.addRegion("touchpadBG", new TextureRegion(this.controllerTexture, this.touchpadRegionPosition.GetX(),
this.touchpadRegionPosition.GetY(), (Controller.size.GetWidth() * 2), (Controller.size.GetHeight() * 2)));
this.controllerAtlas.addRegion("touchpadKnob", new TextureRegion(this.controllerTexture, this.touchpadRegionPosition.GetX(),
this.touchpadRegionPosition.GetY(), (Controller.size.GetWidth()/2), (Controller.size.GetHeight()/2)));
System.out.println("* generated texture atlas*");
}
private void StyleButtons(){
this.skin = new Skin(Gdx.files.internal("data/skins.json"), this.controllerAtlas);
ImageButtonStyle buttonAStyle = this.skin.get("buttonA", ImageButtonStyle.class);
ImageButtonStyle buttonBStyle = this.skin.get("buttonB", ImageButtonStyle.class);
ImageButtonStyle buttonXStyle = this.skin.get("buttonX", ImageButtonStyle.class);
ImageButtonStyle buttonYStyle = this.skin.get("buttonY", ImageButtonStyle.class);
this.buttonA = new ImageButton(buttonAStyle);
this.buttonB = new ImageButton(buttonBStyle);
this.buttonX = new ImageButton(buttonXStyle);
this.buttonY = new ImageButton(buttonYStyle);
TouchpadStyle touchpadStyle = this.skin.get("touchpad", TouchpadStyle.class);
this.touchPad = new Touchpad(10f, touchpadStyle);
System.out.println("* styled buttons *");
}
private void PlaceButtons(){
this.buttonA.setX(this.buttonAStagePosition.GetX());
this.buttonB.setX(this.buttonBStagePosition.GetX());
this.buttonX.setX(this.buttonXStagePosition.GetX());
this.buttonY.setX(this.buttonYStagePosition.GetX());
this.touchPad.setX(this.touchpadStagePosition.GetX());
this.buttonA.setY(this.buttonAStagePosition.GetY());
this.buttonB.setY(this.buttonBStagePosition.GetY());
this.buttonX.setY(this.buttonXStagePosition.GetY());
this.buttonY.setY(this.buttonYStagePosition.GetY());
this.touchPad.setY(this.touchpadStagePosition.GetY());
System.out.println("* placed buttons on the stage *");
}
private void AddButtonsToStage(){
this.stage.addActor(this.buttonA);
this.stage.addActor(this.buttonB);
this.stage.addActor(this.buttonX);
this.stage.addActor(this.buttonY);
this.stage.addActor(this.touchPad);
System.out.println("* added buttons to the stage *");
}
private void AssignActions(final Player player){
this.buttonA.addListener(new InputListener(){
public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) { return true;}});
this.buttonB.addListener(new InputListener(){
public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) { return true; }});
this.buttonX.addListener(new InputListener(){
public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) { return true; }});
this.buttonY.addListener(new InputListener(){
public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) { return true; }});
System.out.println("* assigned actions *");
}
public void DetermineDirection(){
if(this.touchPad.isTouched()){
boolean moveLeft = false;
boolean moveRight = false;
boolean moveUp = false;
boolean moveDown = false;
float xPercent = this.touchPad.getKnobPercentX();
float yPercent = this.touchPad.getKnobPercentY();
if((xPercent > 0) && (yPercent > 0) && (xPercent > yPercent)){ moveRight = true; }
if((xPercent > 0) && (yPercent < 0) && (xPercent > Math.abs(yPercent))){ moveRight = true; }
if((yPercent > 0) && (xPercent > 0) && (yPercent > xPercent)){ moveUp = true; }
if((yPercent > 0) && (xPercent < 0) && (yPercent > Math.abs(xPercent))){ moveUp = true; }
if((xPercent < 0) && (yPercent > 0) && (Math.abs(xPercent) > yPercent)){ moveLeft = true; }
if((xPercent < 0) && (yPercent < 0) && (Math.abs(xPercent) > Math.abs(yPercent))){ moveLeft = true; }
if((yPercent < 0) && (xPercent > 0) && (Math.abs(yPercent) > xPercent)){ moveDown = true; }
if((yPercent < 0) && (xPercent < 0) && (Math.abs(yPercent) > Math.abs(xPercent))){ moveDown = true; }
this.playerDirectional.SetDirections(moveLeft, moveRight, moveUp, moveDown);
}
else{ this.playerDirectional.SetDirections(Controller.defaultDirectional.moveLeft, Controller.defaultDirectional.moveRight,
Controller.defaultDirectional.moveUp, Controller.defaultDirectional.moveDown); }
}
public void UpdateMove(Player player){
/* D-Pad */
//System.out.println("move left ->" + this.playerDirectional.moveLeft);
//System.out.println("move right ->" + this.playerDirectional.moveRight);
//System.out.println("move up ->" + this.playerDirectional.moveUp);
//System.out.println("move down ->" + this.playerDirectional.moveDown);
if(this.playerDirectional.moveLeft){
if(player.GetCanWalk()) {
if(!player.GetJumped()){ player.Walk(Direction.LEFT); }
if(player.GetJumped() && player.GetWebStringReady()){ player.MoveInAir(Direction.LEFT); }
player.SetIsFacingLeft(true);
}
if(!player.GetWebStringReady() && player.GetJumped()){ player.Swing(Direction.LEFT); player.SetIsFacingLeft(true); }
}
if(this.playerDirectional.moveRight){
if(player.GetCanWalk()) {
if(!player.GetJumped()) { player.Walk(Direction.RIGHT); }
if(player.GetJumped() && player.GetWebStringReady()){ player.MoveInAir(Direction.RIGHT); }
player.SetIsFacingLeft(false);
}
if(!player.GetWebStringReady() && player.GetJumped()){ player.Swing(Direction.RIGHT); player.SetIsFacingLeft(false); }
}
if(this.playerDirectional.moveUp){
if(player.GetStickToWallState()){
player.GetBody().applyLinearImpulse(player.GetCrawlImpulse(),
player.GetBody().getWorldCenter());
player.SetIsFacingDown(false);
}
if(this.buttonA.isPressed() && player.GetWebStringReady() && (!player.GetCanJump())){ player.TryAttachString(true); }
if(!player.GetWebStringReady()){ player.UpdateAttachedString(true); }
}
if(this.playerDirectional.moveDown){
if(player.GetStickToWallState()){
player.GetBody().applyLinearImpulse(player.GetCrawlImpulse().cpy().mul(-1), player.GetBody().getWorldCenter());
player.SetIsFacingDown(true);
}
if(!player.GetWebStringReady()){ player.UpdateAttachedString(false); }
}
/* four buttons */
if(this.buttonB.isPressed()){
if(this.playerDirectional.moveLeft || this.playerDirectional.moveRight){
if(this.playerDirectional.moveLeft){ player.Throw(Direction.LEFT); }
else if(this.playerDirectional.moveLeft){ player.Throw(Direction.RIGHT); }
}
else { player.Throw(Direction.NONE); }
}
if(this.buttonA.isPressed()){
if(player.GetCanJump()){
player.Jump();
player.SetCanJump(false);
}
}
if(this.buttonX.isPressed()){
if(!player.GetWebStringReady()){ player.TryDetachString(true); }
if(player.GetStickToWallState()){ player.DetachFromWall(); }
}
if(this.buttonY.isPressed()){ player.Punch(); }
}
private Touchpad touchPad;
public ImageButton buttonA;
public ImageButton buttonB;
public ImageButton buttonX;
public ImageButton buttonY;
public ImageButton dPadLeft;
public ImageButton dPadRight;
public ImageButton dPadUp;
public ImageButton dPadDown;
private TextureAtlas controllerAtlas;
private Texture controllerTexture;
private Skin skin;
private Size screenSize;
private Stage stage;
private Position buttonARegionPosition;
private Position buttonBRegionPosition;
private Position buttonXRegionPosition;
private Position buttonYRegionPosition;
private Position touchpadRegionPosition;
private Position touchpadStagePosition;
private Position buttonAStagePosition;
private Position buttonBStagePosition;
private Position buttonXStagePosition;
private Position buttonYStagePosition;
public TouchpadDirectional playerDirectional;
private static final int separator = 100;
private static final TouchpadDirectional defaultDirectional = new TouchpadDirectional(false, false, false, false);
private static final Size size = new Size(100, 100); /* set the default size here for all the buttons */
}
应用程序监听器类
package com.letigames.ananse;
import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.Box2DDebugRenderer;
import com.badlogic.gdx.physics.box2d.World;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.letigames.ananse.entity.util.Size;
import com.letigames.ananse.ui.Controller;
public class Ananse implements ApplicationListener {
@Override
public void create() {
this.screenWidth = Gdx.graphics.getWidth();
this.screenHeight = Gdx.graphics.getHeight();
this.doSleep = true;
this.gravity = new Vector2(0f, -10f);
this.UIStage = new Stage();
//Gdx.input.setInputProcessor(this.UIStage);
this.world = new World(this.gravity, this.doSleep);
this.camera = new OrthographicCamera(this.screenWidth, this.screenHeight);
this.debugRenderer = new Box2DDebugRenderer();
this.level = new Level(this.world);
this.controller = new Controller(this.UIStage, this.level.GetPlayer(), new Size((int)this.screenWidth, (int)this.screenHeight));
this.world.setContactListener(level.GetEntityContactListener());
//batch = new SpriteBatch();
//texture = new Texture(Gdx.files.internal("data/libgdx.png"));
//texture.setFilter(TextureFilter.Linear, TextureFilter.Linear);
//TextureRegion region = new TextureRegion(texture, 0, 0, 512, 275);
//sprite = new Sprite(region);
//sprite.setSize(0.9f, 0.9f * sprite.getHeight() / sprite.getWidth());
//sprite.setOrigin(sprite.getWidth()/2, sprite.getHeight()/2);
//sprite.setPosition(-sprite.getWidth()/2, -sprite.getHeight()/2);
}
@Override
public void dispose() {
level.DestroyLevel(false);
this.UIStage.dispose();
//batch.dispose();
//texture.dispose();
}
@Override
public void render() {
Gdx.gl.glClearColor(1, 1, 1, 1);
Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
debugRenderer.render(world, camera.combined);
//batch.setProjectionMatrix(camera.combined);
//batch.begin();
//sprite.draw(batch);
//batch.end();
level.UpdateLevel();
world.step(1/20f, 6, 2);
this.controller.DetermineDirection();
this.controller.UpdateMove(this.level.player);
this.camera.position.set(level.GetPlayer().GetBody().getWorldCenter().x, level.GetPlayer().GetBody().getWorldCenter().y, 0);
this.camera.zoom = 0.1f;
this.camera.update();
this.UIStage.act(Gdx.graphics.getDeltaTime());
this.UIStage.draw();
}
@Override
public void resize(int width, int height) { this.UIStage.setViewport(width, height, true); }
@Override
public void pause() {
}
@Override
public void resume() {
}
private OrthographicCamera camera;
private World world;
private Stage UIStage;
private Controller controller;
private Vector2 gravity;
private boolean doSleep;
private float screenWidth;
private float screenHeight;
Box2DDebugRenderer debugRenderer;
//private SpriteBatch batch;
//private Texture texture;
//private Sprite sprite;
private Level level;
}
我正在使用LibGDX v 0.9.7。这段代码在几天前工作得很好，它不再出于某种原因而且不会生成错误消息。代码中引用的文件都存在：LibGDX assets文件夹中的data文件夹中。想法？