Android Games: Village
De Aulas
Links relacionados: Jogos Digitais
Recursos
- villagemap.png
- villagemask.png
- kaneda.png
- yuki.png
- misato.png
- s13forest.mp3
- step0.wav
- step1.wav
- step2.wav
- step3.wav
Actor.java
1package com.mygdx.game;
2
3import com.badlogic.gdx.graphics.Texture;
4import com.badlogic.gdx.graphics.g2d.Sprite;
5import com.badlogic.gdx.graphics.g2d.TextureRegion;
6
7import java.util.Random;
8
9class Actor {
10 static final int DOWN = 0;
11 static final int LEFT = 1;
12 static final int UP = 2;
13 static final int RIGHT = 3;
14 private static final int SPEED = 2;
15 private static final int animationMax = 4;
16 float x, y;
17 int w, h;
18 private MyGdxGame game;
19 private Texture texture;
20 private Sprite sprite;
21 private int direction = DOWN;
22 private int animation;
23 private int step = 0;
24 private int count;
25 private int max;
26 private Random rand = new Random();
27
28 Actor(float x, float y, Texture texture, MyGdxGame game) {
29 this.game = game;
30 this.texture = texture;
31 this.x = x;
32 this.y = y;
33 w = 224 / 7;
34 h = 256 / 4;
35 max = rand.nextInt(20) + 1;
36 sprite = new Sprite(new TextureRegion(texture, 0, 0, w, h));
37 }
38
39 void run() {
40 count++;
41 if (count > max) {
42 count = 0;
43 max = rand.nextInt(20) + 1;
44 move(rand.nextInt(4));
45 } else {
46 move(direction);
47 }
48 }
49
50 void move(int dir) {
51 direction = dir;
52 switch (dir) {
53 case DOWN:
54 if (game.isFree((int) x + (w / 2), (int) y - SPEED)) {
55 y -= SPEED;
56 updateAnimation();
57 }
58 break;
59 case UP:
60 if (game.isFree((int) x + (w / 2), (int) y + 20)) {
61 y += SPEED;
62 updateAnimation();
63 }
64 break;
65 case LEFT:
66 if (game.isFree((int) x - SPEED, (int) y)) {
67 x -= SPEED;
68 updateAnimation();
69 }
70 break;
71 case RIGHT:
72 if (game.isFree((int) x + w + SPEED, (int) y)) {
73 x += SPEED;
74 updateAnimation();
75 }
76 break;
77 }
78 }
79
80 private void updateAnimation() {
81 animation++;
82 if (animation > animationMax) {
83 animation = 0;
84 step++;
85 if (step >= 7) step = 0;
86 if (!outOfScreen()) {
87 if ((step == 1) || (step == 4)) {
88 game.step[rand.nextInt(4)].play();
89 }
90 }
91 }
92 }
93
94 private boolean outOfScreen() {
95 float px = x - game.x;
96 float py = y - game.y;
97 return (px > game.w) || (px + w < 0) || (py > game.h) || (py + h < 0);
98 }
99
100 void draw() {
101 if (outOfScreen()) return;
102 sprite.setRegion(new TextureRegion(texture, step * w, direction * h, w, h));
103 sprite.setPosition(x - game.x, y - game.y);
104 sprite.draw(game.batch);
105 }
106}
Avatar.java
1package com.mygdx.game;
2
3import com.badlogic.gdx.Gdx;
4import com.badlogic.gdx.Input;
5import com.badlogic.gdx.graphics.Texture;
6
7class Avatar extends Actor {
8 Avatar(float x, float y, Texture texture, MyGdxGame game) {
9 super(x, y, texture, game);
10 }
11
12 @Override
13 void run() {
14 if (Gdx.input.isKeyPressed(Input.Keys.UP)) {
15 move(UP);
16 } else if (Gdx.input.isKeyPressed(Input.Keys.LEFT)) {
17 move(LEFT);
18 } else if (Gdx.input.isKeyPressed(Input.Keys.DOWN)) {
19 move(DOWN);
20 } else if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)) {
21 move(RIGHT);
22 }
23 }
24}
MyGdxGame.java
1package com.mygdx.game;
2
3import com.badlogic.gdx.ApplicationAdapter;
4import com.badlogic.gdx.Gdx;
5import com.badlogic.gdx.Input;
6import com.badlogic.gdx.audio.Music;
7import com.badlogic.gdx.audio.Sound;
8import com.badlogic.gdx.graphics.Color;
9import com.badlogic.gdx.graphics.GL20;
10import com.badlogic.gdx.graphics.Pixmap;
11import com.badlogic.gdx.graphics.Texture;
12import com.badlogic.gdx.graphics.g2d.SpriteBatch;
13
14import java.util.ArrayList;
15import java.util.HashMap;
16import java.util.List;
17import java.util.Map;
18
19public class MyGdxGame extends ApplicationAdapter {
20 SpriteBatch batch;
21 Sound[] step = new Sound[4];
22 float x, y;
23 int w, h;
24 private Music music;
25 private Pixmap mask;
26 private Texture map;
27 private Actor avatar;
28 private Map<String, Texture> textures = new HashMap<String, Texture>();
29 private List<Actor> actors = new ArrayList<Actor>();
30
31 @Override
32 public void create() {
33 batch = new SpriteBatch();
34 w = Gdx.graphics.getWidth();
35 h = Gdx.graphics.getHeight();
36 mask = new Pixmap(Gdx.files.internal("villagemask.png"));
37 map = new Texture("villagemap.png");
38 textures.put("kaneda", new Texture("kaneda.png"));
39 textures.put("yuki", new Texture("yuki.png"));
40 textures.put("misato", new Texture("misato.png"));
41 for (int i = 0; i < 4; i++) {
42 step[i] = Gdx.audio.newSound(Gdx.files.internal("step" + i + ".wav"));
43 }
44 avatar = new Avatar(710, 64, textures.get("kaneda"), this);
45 actors.add(avatar);
46 actors.add(new Actor(380, 410, textures.get("yuki"), this));
47 actors.add(new Actor(710, 600, textures.get("misato"), this));
48 music = Gdx.audio.newMusic(Gdx.files.internal("s13forest.mp3"));
49 music.play();
50 }
51
52 private void execute() {
53 // Deixamos para tratar os inputs gerais da UI aqui. Dentro do avatar ficam
54 // apenas os tratamentos dos inputs referente ao comportamento do player
55 if (Gdx.input.isKeyJustPressed(Input.Keys.M)) {
56 if (music.isPlaying()) music.stop();
57 else music.play();
58 }
59 if (Gdx.input.isKeyPressed(Input.Keys.ESCAPE)) {
60 Gdx.app.exit();
61 }
62 for (Actor a : actors) a.run();
63 moveCamera();
64 }
65
66 @Override
67 public void render() {
68 execute();
69 Gdx.gl.glClearColor(0, 0, 0, 1);
70 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
71 batch.begin();
72 batch.draw(map, -x, -y);
73 for (Actor a : actors) a.draw();
74 batch.end();
75 }
76
77 private void moveCamera() {
78 x = avatar.x - (w / 2) + (avatar.w / 2);
79 y = avatar.y - (h / 2) + (avatar.h / 2);
80 }
81
82 boolean isFree(int px, int py) {
83 Color color = new Color();
84 Color.rgb888ToColor(color, mask.getPixel(px, mask.getHeight() - py));
85 return ((color.r > 0.1) && (color.g > 0.1) && (color.b > 0.1));
86 }
87
88 @Override
89 public void dispose() {
90 batch.dispose();
91 mask.dispose();
92 map.dispose();
93 for (Map.Entry<String, Texture> entry : textures.entrySet()) {
94 entry.getValue().dispose();
95 }
96 for (int i = 0; i < 4; i++) step[i].dispose();
97 music.dispose();
98 }
99}
