Vector3 viewport = stage.getCamera().position.cpy();
viewport = viewport.add(vector3);
Vector3 zbound =
new Vector3(width / 2, height / 2, 0).add(viewport);
if (zbound.x > maxCamPosition.x || zbound.y > maxCamPosition.y) {
isCameraMove =
false;
}
Vector3 fbound =
new Vector3(-width / 2, -height / 2, 0).add(viewport);
if (fbound.x < 0 || fbound.y < 0) {
isCameraMove =
false;
}
Vector3 v3 =
new Vector3(mainActor.x, mainActor.y, 0);
stage.getCamera().project(v3);
Vector3 a = v3.cpy().add(vector3);
if (a.x > width || a.y > height) {
isActorMove =
false;
}
if (a.x < 0 || a.y < 0) {
isActorMove =
false;
}
if (isCameraMove) {
stage.getCamera().position.add(vector3);
for (Actor actor : stage.getActors()) {
if (!actor.equals(player)) {
actor.x += vector3.x;
actor.y += vector3.y;
}
}
}
if (isActorMove) {
player.x += vector3.x;
player.y += vector3.y;
}
第一个问题基本解决,为什么说是基本解决?因为主角和Camera的位置可能会变动。造成主角在屏幕一角行走的问题。我一般是判断主角位置,当位于中心区域时在让二者联动。
大小还是32*32.
package com.cnblogs.htynkn.game;
import javax.swing.text.ZoneView;
import javax.swing.text.html.MinimalHTMLWriter;
import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.InputMultiplexer;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.graphics.g2d.tiled.TileAtlas;
import com.badlogic.gdx.graphics.g2d.tiled.TileMapRenderer;
import com.badlogic.gdx.graphics.g2d.tiled.TileSet;
import com.badlogic.gdx.graphics.g2d.tiled.TiledLayer;
import com.badlogic.gdx.graphics.g2d.tiled.TiledLoader;
import com.badlogic.gdx.graphics.g2d.tiled.TiledMap;
import com.badlogic.gdx.graphics.g2d.tiled.TiledObject;
import com.badlogic.gdx.graphics.g2d.tiled.TiledObjectGroup;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Image;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.Label.LabelStyle;
public class JavaGame
implements ApplicationListener, InputProcessor {
Stage stage;
float width;
float height;
private TiledMap map;
private TileAtlas atlas;
private TileMapRenderer tileMapRenderer;
Image player;
Vector3 camDirection =
new Vector3(1, 1, 0);
Vector2 maxCamPosition =
new Vector2(0, 0);
Vector3 moveVector =
new Vector3(0, 0, 0);
boolean isPress;
TiledLayer nopassLayer;
// Image image;
@Override
public void create() {
final String path = "map/";
final String mapname = "tilemap";
FileHandle mapHandle = Gdx.files.internal(path + mapname + ".tmx");
map = TiledLoader.createMap(mapHandle);
for (
int i = 0; i < map.layers.size(); i++) {
if ("NoPass".equals(map.layers.get(i).name)) {
nopassLayer = map.layers.get(i);
// map.layers.remove(i);
break;
}
}
atlas =
new TileAtlas(map,
new FileHandle("map/"));
tileMapRenderer =
new TileMapRenderer(map, atlas, 10, 10);
maxCamPosition.set(tileMapRenderer.getMapWidthUnits(), tileMapRenderer
.getMapHeightUnits());
width = Gdx.graphics.getWidth();
height = Gdx.graphics.getHeight();
stage =
new Stage(width, height,
true);
Label label =
new Label("FPS:",
new LabelStyle(
new BitmapFont(Gdx.files
.internal("font/blue.fnt"),
Gdx.files.internal("font/blue.png"),
false), Color.WHITE),
"fpsLabel");
label.y = height - label.getPrefHeight();
label.x = 0;
stage.addActor(label);
for (TiledObjectGroup group : map.objectGroups) {
for (TiledObject object : group.objects) {
if ("play1".equals(object.name)) {
player =
new Image(
new TextureRegion(
new Texture(Gdx.files
.internal("map/player.png")), 0, 0, 27, 40));
player.x = object.x;
player.y = tileMapRenderer.getMapHeightUnits() - object.y;
// map是左上角,Stage是左下角
stage.addActor(player);
}
}
}
InputMultiplexer inputMultiplexer =
new InputMultiplexer();
inputMultiplexer.addProcessor(
this);
inputMultiplexer.addProcessor(stage);
Gdx.input.setInputProcessor(inputMultiplexer);
}
@Override
public void dispose() {
// TODO Auto-generated method stub
}
@Override
public void pause() {
// TODO Auto-generated method stub
}
@Override
public void render() {
Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
OrthographicCamera c = (OrthographicCamera) stage.getCamera();
if (isPress) {
CameraMove(moveVector, player);
}
((Label) stage.findActor("fpsLabel")).setText("FPS: "
+ Gdx.graphics.getFramesPerSecond());
stage.act(Gdx.graphics.getDeltaTime());
tileMapRenderer.render(c);
stage.draw();
}
private void CameraMove(Vector3 vector3, Actor mainActor) {
boolean isCameraMove =
true;
boolean isActorMove =
true;
Vector2 pos =
new Vector2(mainActor.x, mainActor.y);
if (CheckMoveable(map, nopassLayer, vector3, pos)) {
return;
}
if (CheckMoveable(map, nopassLayer, vector3, pos.cpy().add(
mainActor.width, 0))) {
return;
}
if (CheckMoveable(map, nopassLayer, vector3, pos.cpy().add(
mainActor.width, mainActor.height))) {
return;
}
if (CheckMoveable(map, nopassLayer, vector3, pos.cpy().add(0,
mainActor.height))) {
return;
}
Vector3 viewport = stage.getCamera().position.cpy();
viewport = viewport.add(vector3);
Vector3 zbound =
new Vector3(width / 2, height / 2, 0).add(viewport);
if (zbound.x > maxCamPosition.x || zbound.y > maxCamPosition.y) {
isCameraMove =
false;
}
Vector3 fbound =
new Vector3(-width / 2, -height / 2, 0).add(viewport);
if (fbound.x < 0 || fbound.y < 0) {
isCameraMove =
false;
}
Vector3 v3 =
new Vector3(mainActor.x, mainActor.y, 0);
stage.getCamera().project(v3);
Vector3 a = v3.cpy().add(vector3);
if (a.x > width || a.y > height) {
isActorMove =
false;
}
if (a.x < 0 || a.y < 0) {
isActorMove =
false;
}
if (isCameraMove) {
stage.getCamera().position.add(vector3);
for (Actor actor : stage.getActors()) {
if (!actor.equals(player)) {
actor.x += vector3.x;
actor.y += vector3.y;
}
}
}
if (isActorMove) {
player.x += vector3.x;
player.y += vector3.y;
}
}
private boolean CheckMoveable(TiledMap map, TiledLayer layer,
Vector3 vector3, Vector2 playpos) {
Vector3 pos =
new Vector3(playpos.x, playpos.y, 0).add(vector3);
int nopassId = 0;
TileSet set = map.tileSets.get(map.tileSets.size() - 1);
int masSize = set.firstgid + layer.tiles.length;
for (
int i = 0; i < masSize; i++) {
if ("False".equals(map.getTileProperty(i, "Pass"))) {
nopassId = i;
Gdx.app.log("Find!", i + " ");
break;
}
}
int xid = MathUtils.ceilPositive(pos.x / map.tileWidth);
int yid = MathUtils.ceilPositive(pos.y / map.tileWidth);
if (layer.tiles[layer.tiles.length - yid][xid - 1] == nopassId) {
return true;
}
else {
return false;
}
}
@Override
public void resize(
int width,
int height) {
// TODO Auto-generated method stub
}
@Override
public void resume() {
// TODO Auto-generated method stub
}
@Override
public boolean keyDown(
int keycode) {
return false;
}
@Override
public boolean keyTyped(
char character) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean keyUp(
int keycode) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean scrolled(
int amount) {
// TODO Auto-generated method stub
return false;
}
private void ChangeDirect(
int typeId) {
switch (typeId) {
case 1:
moveVector.set(0, 1, 0);
Gdx.app.log("方向变动", "向上");
break;
case 2:
moveVector.set(0, -1, 0);
Gdx.app.log("方向变动", "向下");
break;
case 3:
moveVector.set(-1, 0, 0);
Gdx.app.log("方向变动", "向左");
break;
case 4:
moveVector.set(1, 0, 0);
Gdx.app.log("方向变动", "向右");
break;
}
}
@Override
public boolean touchDown(
int x,
int y,
int pointer,
int button) {
Vector3 tmp =
new Vector3(x, y, 0);
stage.getCamera().unproject(tmp);
float newx = tmp.x - player.x;
float newy = tmp.y - player.y;
if (newx > 0 && newy > 0) {
if (newx > newy) {
ChangeDirect(4);
}
else {
ChangeDirect(1);
}
}
else if (newx > 0 && newy < 0) {
if (newx > -newy) {
ChangeDirect(4);
}
else {
ChangeDirect(2);
}
}
else if (newx < 0 && newy > 0) {
if (-newx > newy) {
ChangeDirect(3);
}
else {
ChangeDirect(1);
}
}
else {
if (-newx > -newy) {
ChangeDirect(3);
}
else {
ChangeDirect(2);
}
}
isPress =
true;
return false;
}
@Override
public boolean touchDragged(
int x,
int y,
int pointer) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean touchMoved(
int x,
int y) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean touchUp(
int x,
int y,
int pointer,
int button) {
isPress =
false;
Gdx.app.log("Info", "touchUp: x:" + x + " y: " + y + " pointer: "
+ pointer + " button: " + button);
return false;
}
}