MMGames/BrickBuster
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Refactored to use states

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Various other refactoring, no functional differences
This commit is contained in:
Matt Low 2018-11-13 11:51:00 +04:00
parent 3fad2085b6
commit 7588a0986b
13 changed files with 279 additions and 254 deletions
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191
core/src/com/me/brickbuster/BrickBuster.java
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@ -1,207 +1,38 @@
package com.me.brickbuster;
import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Game;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.entity.*;
import com.me.brickbuster.entity.powerup.*;
import com.me.brickbuster.state.PlayState;
import java.util.*;
public class BrickBuster extends ApplicationAdapter {
public class BrickBuster extends Game {
public static final int WIDTH = 800;
public static final int HEIGHT = 600;
public static final String TITLE = "Brick Buster";
public static final Vector2 HORIZONTAL_EDGE = new Vector2(1, 0);
public static final Vector2 VERTICAL_EDGE = new Vector2(0, 1);
public static final int SHIELD_HEIGHT = 5;
public static final float POWERUP_CHANCE = 0.15f;
private static final Map<Class<? extends PowerUp>, Integer> powerUpWeights;
private static final int weightSum;
private BitmapFont font;
private SpriteBatch batch;
private ShapeRenderer sr;
private Paddle paddle;
private ArrayList<Ball> balls;
private ArrayList<Brick> bricks;
private ArrayList<PowerUp> powerUps;
private int shieldCount = 0;
public BitmapFont font;
public SpriteBatch sb;
public ShapeRenderer sr;
@Override
public void create () {
font = new BitmapFont();
batch = new SpriteBatch();
sb = new SpriteBatch();
sr = new ShapeRenderer();
paddle = new Paddle(this);
powerUps = new ArrayList<PowerUp>();
bricks = new ArrayList<Brick>();
for (int col = 0; col < 13; col++) {
for (int row = 0; row < 7; row++) {
int x = 15 + (col * (Brick.BLOCK_WIDTH + 10));
int y = 15 + Brick.BLOCK_HEIGHT + (row * (Brick.BLOCK_HEIGHT + 10));
Class<? extends PowerUp> powerUpType = null;
if (MathUtils.randomBoolean(POWERUP_CHANCE)) {
powerUpType = getWeightedPowerUp();
}
bricks.add(new Brick(this, powerUpType, x, HEIGHT - y));
}
}
balls = new ArrayList<Ball>();
balls.add(new Ball(this));
setScreen(new PlayState(this));
}
@Override
public void render () {
Gdx.gl.glClearColor(0.5f,1,1,1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
long start_update = System.nanoTime();
update(Gdx.graphics.getDeltaTime());
long finish_update = System.nanoTime() - start_update;
long start_render = System.nanoTime();
for (Brick block : bricks) {
block.render(sr);
}
for (PowerUp powerUp : powerUps) {
powerUp.render(sr);
}
for (Ball ball : balls) {
ball.render(sr);
}
paddle.render(sr);
if (getShieldCount() > 0) {
sr.begin(ShapeRenderer.ShapeType.Filled);
sr.setColor(Color.SALMON);
sr.rect(0, 0, WIDTH, getShieldCount() * SHIELD_HEIGHT);
sr.end();
}
long finish_render = System.nanoTime() - start_render;
batch.begin();
//batch.setColor(Color.BLACK);
font.draw(batch, String.format("FPS: %d Update: %.2f ms Render: %.2f ms",
Gdx.graphics.getFramesPerSecond(), finish_update/1000000f, finish_render/1000000f), 0, 13);
batch.end();
// Render the current Screen (State)
super.render();
}
public void update(float dt) {
for (Iterator<Ball> it = balls.iterator(); it.hasNext();) {
Ball ball = it.next();
ball.update(dt);
if (ball.isDead()) {
it.remove();
}
}
if (balls.isEmpty()) {
reset();
}
paddle.update(dt);
for (Iterator<PowerUp> it = powerUps.iterator(); it.hasNext();) {
PowerUp powerUp = it.next();
powerUp.update(dt);
if(powerUp.isCaught()) {
it.remove();
}
}
if (getBricks().isEmpty()) {
create();
}
}
public void reset() {
Paddle paddle = getPaddle();
Ball ball = new Ball(this);
ball.setX(paddle.getX());
ball.setY(Paddle.PADDLE_Y + Paddle.PADDLE_HEIGHT + Ball.RADIUS);
balls.add(ball);
paddle.setSticky(false);
paddle.setWidth(Paddle.DEFAULT_WIDTH);
}
@Override
public void dispose () {
}
private static final Class<? extends PowerUp> getWeightedPowerUp() {
int remaining = MathUtils.random(weightSum);
for (Map.Entry<Class<? extends PowerUp>, Integer> entry : powerUpWeights.entrySet()) {
remaining -= entry.getValue();
if (remaining < 0) {
return entry.getKey();
}
}
return null;
}
public int getShieldCount() {
return shieldCount;
}
public void addShield() {
shieldCount++;
paddle.setY(paddle.getY() + SHIELD_HEIGHT);
}
public void removeShield() {
shieldCount--;
paddle.setY(paddle.getY() - SHIELD_HEIGHT);
}
public ArrayList<Ball> getBalls() {
return balls;
}
public Paddle getPaddle() {
return paddle;
}
public ArrayList<Brick> getBricks() {
return bricks;
}
public void addPowerUp(PowerUp powerUp) {
this.powerUps.add(powerUp);
}
static {
Map<Class<? extends PowerUp>, Integer> tmp = new HashMap<Class<? extends PowerUp>, Integer>();
// Assign PowerUp weights here
tmp.put(GluePowerUp.class, 30);
tmp.put(LongerPaddlePowerUp.class, 40);
tmp.put(MultiBallPowerUp.class, 20);
tmp.put(ShieldPowerUp.class, 40);
powerUpWeights = Collections.unmodifiableMap(tmp);
int sum = 0;
for (int x : powerUpWeights.values()) {
sum += x;
}
weightSum = sum;
}
}
}

3
core/src/com/me/brickbuster/Utils.java
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@ -5,6 +5,9 @@ import com.badlogic.gdx.math.Vector2;
public class Utils {
public static final Vector2 HORIZONTAL_EDGE = new Vector2(1, 0);
public static final Vector2 VERTICAL_EDGE = new Vector2(0, 1);
public static Vector2 reflect(Vector2 incoming, Vector2 surface) {
Vector2 normal = new Vector2(-surface.y, surface.x);
return incoming.sub(normal.scl(normal.dot(incoming) * 2));

47
core/src/com/me/brickbuster/entity/Ball.java
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@ -8,6 +8,7 @@ import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.Utils;
import com.me.brickbuster.state.PlayState;
import net.dermetfan.utils.Pair;
import java.util.Iterator;
@ -25,16 +26,16 @@ public class Ball extends Entity {
private boolean isStuck = true;
private boolean isDead = false;
public Ball(BrickBuster brickBuster) {
super(brickBuster,BrickBuster.WIDTH/2, brickBuster.getPaddle().getY() + Paddle.PADDLE_HEIGHT + RADIUS);
this.speed = getBrickBuster().getBricks().size() > BLOCKS_FOR_BOOST? DEFAULT_SPEED : BOOST_SPEED;
public Ball(PlayState state) {
super(state,BrickBuster.WIDTH/2, state.paddle.getY() + Paddle.PADDLE_HEIGHT + RADIUS);
this.speed = state.bricks.size() > BLOCKS_FOR_BOOST? DEFAULT_SPEED : BOOST_SPEED;
}
@Override
public void render(ShapeRenderer sr) {
sr.begin(ShapeType.Filled);
sr.setColor(BALL_COLOR);
sr.circle(getPos().x, getPos().y, RADIUS);
sr.circle(pos.x, pos.y, RADIUS);
sr.end();
}
@ -48,12 +49,10 @@ public class Ball extends Entity {
}
}
BrickBuster game = getBrickBuster();
Vector2 new_pos = getPos().cpy().add(direction.cpy().scl(speed * dt));
Vector2 new_pos = pos.cpy().add(direction.cpy().scl(speed * dt));
boolean brickCollision = false;
Iterator<Brick> brickIterator = game.getBricks().iterator();
Iterator<Brick> brickIterator = state.bricks.iterator();
while (!brickCollision && brickIterator.hasNext()) {
Brick brick = brickIterator.next();
Vector2[] vertices = brick.getVertices();
@ -75,41 +74,40 @@ public class Ball extends Entity {
}
if (new_pos.x + RADIUS > BrickBuster.WIDTH || new_pos.x - RADIUS < 0) {
Utils.reflect(direction, BrickBuster.VERTICAL_EDGE);
Utils.reflect(direction, Utils.VERTICAL_EDGE);
} else if (new_pos.y + RADIUS > BrickBuster.HEIGHT) {
Utils.reflect(direction, BrickBuster.HORIZONTAL_EDGE);
} else if (game.getShieldCount() > 0
&& new_pos.y - RADIUS < BrickBuster.SHIELD_HEIGHT * game.getShieldCount()) {
Utils.reflect(direction, BrickBuster.HORIZONTAL_EDGE);
game.removeShield();
Utils.reflect(direction, Utils.HORIZONTAL_EDGE);
} else if (state.getShieldCount() > 0
&& new_pos.y - RADIUS < PlayState.SHIELD_HEIGHT * state.getShieldCount()) {
Utils.reflect(direction, Utils.HORIZONTAL_EDGE);
state.removeShield();
} else if (new_pos.y + RADIUS < 0) {
isDead = true;
return;
} else if (direction.y < 0 && new_pos.y <= game.getPaddle().getY() + Paddle.PADDLE_HEIGHT + RADIUS) {
Pair<Vector2, Vector2> paddle = game.getPaddle().getTopEdge();
} else if (direction.y < 0 && new_pos.y <= state.paddle.getY() + Paddle.PADDLE_HEIGHT + RADIUS) {
Pair<Vector2, Vector2> paddle = state.paddle.getTopEdge();
Vector2 lineDir = paddle.getValue().sub(paddle.getKey());
Vector2 nearest = Utils.nearestPoint(paddle.getKey().cpy(), lineDir, new_pos.cpy());
if (nearest.dst(new_pos.x, new_pos.y) <= RADIUS) {
paddleCollision();
if (game.getPaddle().isSticky()) {
if (state.paddle.isSticky()) {
return;
}
}
}
getPos().add(direction.cpy().scl(speed * dt));
pos.add(direction.cpy().scl(speed * dt));
}
public Vector2 paddleReflectAngle() {
Paddle paddle = getBrickBuster().getPaddle();
float rel = MathUtils.clamp((getX() - paddle.getX()) + (paddle.getWidth()/2), 5, paddle.getWidth()-5);
float newAngle = MathUtils.PI - (MathUtils.PI * (rel / paddle.getWidth()));
float rel = MathUtils.clamp((pos.x - state.paddle.getX()) + (state.paddle.getWidth()/2), 5, state.paddle.getWidth()-5);
float newAngle = MathUtils.PI - (MathUtils.PI * (rel / state.paddle.getWidth()));
return new Vector2(MathUtils.cos(newAngle), MathUtils.sin(newAngle));
}
public void launch() {
if (getBrickBuster().getPaddle().isSticky()) {
if (state.paddle.isSticky()) {
direction = paddleReflectAngle();
} else {
// launch at random angle between 135 and 45 degrees
@ -120,10 +118,9 @@ public class Ball extends Entity {
}
public void paddleCollision() {
Paddle paddle = getBrickBuster().getPaddle();
if (paddle.isSticky()) {
if (state.paddle.isSticky()) {
isStuck = true;
setY(paddle.getY() + Paddle.PADDLE_HEIGHT + RADIUS);
pos.y = state.paddle.getY() + Paddle.PADDLE_HEIGHT + RADIUS;
return;
}
direction = paddleReflectAngle();

17
core/src/com/me/brickbuster/entity/Brick.java
View File

@ -4,10 +4,11 @@ import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.entity.powerup.PowerUp;
import com.me.brickbuster.state.PlayState;
public class Brick extends Entity {
public static final Color BLOCK_COLOR = Color.FOREST;
public static final int BLOCK_WIDTH = 50;
public static final int BLOCK_HEIGHT = 20;
@ -16,8 +17,8 @@ public class Brick extends Entity {
private Vector2[] vertices;
public Brick(BrickBuster brickBuster, Class<? extends PowerUp> powerUpType, int x, int y) {
super(brickBuster, x, y);
public Brick(PlayState state, Class<? extends PowerUp> powerUpType, int x, int y) {
super(state, x, y);
this.powerUpType = powerUpType;
this.vertices = new Vector2[] {
@ -41,18 +42,18 @@ public class Brick extends Entity {
}
public boolean hit() {
if (getBrickBuster().getBricks().size()-1 <= Ball.BLOCKS_FOR_BOOST) {
for (Ball ball : getBrickBuster().getBalls()) {
if (state.bricks.size()-1 <= Ball.BLOCKS_FOR_BOOST) {
for (Ball ball : state.balls) {
ball.setSpeed(Ball.BOOST_SPEED);
}
}
if (powerUpType != null) {
try {
PowerUp powerUp = powerUpType.getConstructor(BrickBuster.class, Brick.class).newInstance(getBrickBuster(), this);
getBrickBuster().addPowerUp(powerUp);
PowerUp powerUp = powerUpType.getConstructor(PlayState.class, Brick.class).newInstance(state, this);
state.powerUps.add(powerUp);
} catch(Exception e) {
System.out.println("Error spawning powerup: " + e.getMessage());
}
}
return true;

14
core/src/com/me/brickbuster/entity/Entity.java
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@ -2,15 +2,15 @@ package com.me.brickbuster.entity;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.state.PlayState;
public abstract class Entity {
private BrickBuster brickBuster;
private Vector2 pos;
protected PlayState state;
protected Vector2 pos;
public Entity(BrickBuster brickBuster, float x, float y) {
this.brickBuster = brickBuster;
public Entity(PlayState state, float x, float y) {
this.state = state;
this.pos = new Vector2(x, y);
}
@ -18,10 +18,6 @@ public abstract class Entity {
public abstract void update(float dt);
public BrickBuster getBrickBuster() {
return brickBuster;
}
public Vector2 getPos() {
return pos;
}

19
core/src/com/me/brickbuster/entity/Paddle.java
View File

@ -7,6 +7,7 @@ import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.state.PlayState;
import net.dermetfan.utils.Pair;
public class Paddle extends Entity {
@ -20,7 +21,7 @@ public class Paddle extends Entity {
private int width = DEFAULT_WIDTH;
private boolean sticky = false;
public Paddle(BrickBuster brickBuster) {
public Paddle(PlayState brickBuster) {
super(brickBuster, BrickBuster.WIDTH / 2, PADDLE_Y);
}
@ -35,26 +36,26 @@ public class Paddle extends Entity {
@Override
public void update(float dt) {
if (Gdx.input.isKeyPressed(Input.Keys.LEFT)) {
if (getX() - width/2 - PADDLE_SPEED * dt < 0) {
if (pos.x - width/2 - PADDLE_SPEED * dt < 0) {
setX(width/2);
return;
}
setX(getX() - PADDLE_SPEED * dt);
pos.x = pos.x - PADDLE_SPEED * dt;
for (Ball ball : getBrickBuster().getBalls()) {
for (Ball ball : state.balls) {
if (ball.isStuck()) {
ball.setX(ball.getX() - PADDLE_SPEED * dt);
}
}
}
if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)) {
if (getX() + width/2 + PADDLE_SPEED * dt > BrickBuster.WIDTH) {
if (pos.x + width/2 + PADDLE_SPEED * dt > BrickBuster.WIDTH) {
setX(BrickBuster.WIDTH - width/2);
return;
}
setX(getX() + PADDLE_SPEED * dt);
pos.x = pos.x + PADDLE_SPEED * dt;
for (Ball ball : getBrickBuster().getBalls()) {
for (Ball ball : state.balls) {
if (ball.isStuck()) {
ball.setX(ball.getX() + PADDLE_SPEED * dt);
}
@ -64,8 +65,8 @@ public class Paddle extends Entity {
public Pair<Vector2, Vector2> getTopEdge() {
return new Pair<Vector2, Vector2>(
new Vector2(getX() - width/2, getY() + PADDLE_HEIGHT),
new Vector2(getX() + width/2, getY() + PADDLE_HEIGHT)
new Vector2(pos.x - width/2, pos.y + PADDLE_HEIGHT),
new Vector2(pos.x + width/2, pos.y + PADDLE_HEIGHT)
);
}

8
core/src/com/me/brickbuster/entity/powerup/GluePowerUp.java
View File

@ -1,18 +1,18 @@
package com.me.brickbuster.entity.powerup;
import com.badlogic.gdx.graphics.Color;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.entity.Brick;
import com.me.brickbuster.state.PlayState;
public class GluePowerUp extends PowerUp {
public GluePowerUp(BrickBuster brickBuster, Brick brick) {
super(brickBuster, brick, Color.WHITE);
public GluePowerUp(PlayState state, Brick brick) {
super(state, brick, Color.WHITE);
}
@Override
public void activate() {
getBrickBuster().getPaddle().setSticky(true);
state.paddle.setSticky(true);
}
}

12
core/src/com/me/brickbuster/entity/powerup/LongerPaddlePowerUp.java
View File

@ -1,20 +1,20 @@
package com.me.brickbuster.entity.powerup;
import com.badlogic.gdx.graphics.Color;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.entity.Brick;
import com.me.brickbuster.entity.Paddle;
import com.me.brickbuster.state.PlayState;
public class LongerPaddlePowerUp extends PowerUp {
public LongerPaddlePowerUp(BrickBuster brickBuster, Brick brick) {
super(brickBuster, brick, Color.OLIVE);
public LongerPaddlePowerUp(PlayState state, Brick brick) {
super(state, brick, Color.OLIVE);
}
@Override
public void activate() {
Paddle paddle = getBrickBuster().getPaddle();
if (paddle.getWidth() < 250) {
paddle.setWidth(paddle.getWidth() + 50);
if (state.paddle.getWidth() < 250) {
state.paddle.setWidth(state.paddle.getWidth() + 50);
}
}
}

10
core/src/com/me/brickbuster/entity/powerup/MultiBallPowerUp.java
View File

@ -3,28 +3,28 @@ package com.me.brickbuster.entity.powerup;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.entity.Ball;
import com.me.brickbuster.entity.Brick;
import com.me.brickbuster.state.PlayState;
public class MultiBallPowerUp extends PowerUp {
private Vector2 pos;
public MultiBallPowerUp(BrickBuster brickBuster, Brick brick) {
super(brickBuster, brick, Color.ROYAL);
public MultiBallPowerUp(PlayState state, Brick brick) {
super(state, brick, Color.ROYAL);
this.pos = getPos().cpy();
}
@Override
public void activate() {
for (int x = 0; x < 2; x++) {
Ball ball = new Ball(getBrickBuster());
Ball ball = new Ball(state);
ball.setPos(pos.cpy());
float angle = MathUtils.random(MathUtils.PI*2);
ball.setDirection(new Vector2(MathUtils.cos(angle), MathUtils.sin(angle)));
ball.setStuck(false);
getBrickBuster().getBalls().add(ball);
state.balls.add(ball);
}
}
}

8
core/src/com/me/brickbuster/entity/powerup/PowerUp.java
View File

@ -4,10 +4,10 @@ import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.Vector2;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.Utils;
import com.me.brickbuster.entity.Brick;
import com.me.brickbuster.entity.Entity;
import com.me.brickbuster.state.PlayState;
import net.dermetfan.utils.Pair;
public abstract class PowerUp extends Entity {
@ -18,8 +18,8 @@ public abstract class PowerUp extends Entity {
private Color color;
private boolean isCaught;
public PowerUp(BrickBuster brickBuster, Brick brick, Color color) {
super(brickBuster, brick.getX() + Brick.BLOCK_WIDTH/2, brick.getY() + Brick.BLOCK_HEIGHT/2);
public PowerUp(PlayState state, Brick brick, Color color) {
super(state, brick.getX() + Brick.BLOCK_WIDTH/2, brick.getY() + Brick.BLOCK_HEIGHT/2);
this.color = color;
}
@ -35,7 +35,7 @@ public abstract class PowerUp extends Entity {
public void update(float dt) {
setY(getY() - FALL_SPEED * dt);
Pair<Vector2, Vector2> paddle = getBrickBuster().getPaddle().getTopEdge();
Pair<Vector2, Vector2> paddle = state.paddle.getTopEdge();
Vector2 lineDir = paddle.getValue().sub(paddle.getKey());
Vector2 nearest = Utils.nearestPoint(paddle.getKey().cpy(), lineDir, getPos().cpy());

8
core/src/com/me/brickbuster/entity/powerup/ShieldPowerUp.java
View File

@ -1,18 +1,18 @@
package com.me.brickbuster.entity.powerup;
import com.badlogic.gdx.graphics.Color;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.entity.Brick;
import com.me.brickbuster.state.PlayState;
public class ShieldPowerUp extends PowerUp {
public ShieldPowerUp(BrickBuster brickBuster, Brick brick) {
super(brickBuster, brick, Color.SALMON);
public ShieldPowerUp(PlayState state, Brick brick) {
super(state, brick, Color.SALMON);
}
@Override
public void activate() {
getBrickBuster().addShield();
state.addShield();
}
}

169
core/src/com/me/brickbuster/state/PlayState.java Normal file
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@ -0,0 +1,169 @@
package com.me.brickbuster.state;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.MathUtils;
import com.me.brickbuster.BrickBuster;
import com.me.brickbuster.entity.Ball;
import com.me.brickbuster.entity.Brick;
import com.me.brickbuster.entity.Paddle;
import com.me.brickbuster.entity.powerup.*;
import java.util.*;
public class PlayState extends State {
public static final int SHIELD_HEIGHT = 5;
public static final float POWERUP_CHANCE = 0.15f;
public static final Map<Class<? extends PowerUp>, Integer> powerUpWeights;
private static final int weightSum;
public List<PowerUp> powerUps;
public Paddle paddle;
public List<Ball> balls;
public List<Brick> bricks;
private int shieldCount = 0;
private float updateTime = 0f;
public PlayState(BrickBuster game) {
super(game);
}
@Override
public void setup() {
powerUps = new ArrayList<PowerUp>();
paddle = new Paddle(this);
bricks = new ArrayList<Brick>();
for (int col = 0; col < 13; col++) {
for (int row = 0; row < 7; row++) {
int x = 15 + (col * (Brick.BLOCK_WIDTH + 10));
int y = 15 + Brick.BLOCK_HEIGHT + (row * (Brick.BLOCK_HEIGHT + 10));
Class<? extends PowerUp> powerUpType = null;
if (MathUtils.randomBoolean(POWERUP_CHANCE)) {
powerUpType = getWeightedPowerUp();
}
bricks.add(new Brick(this, powerUpType, x, BrickBuster.HEIGHT - y));
}
}
balls = new ArrayList<Ball>();
balls.add(new Ball(this));
}
@Override
public void render() {
long start = System.nanoTime();
for (Brick block : bricks) {
block.render(game.sr);
}
for (PowerUp powerUp : powerUps) {
powerUp.render(game.sr);
}
for (Ball ball : balls) {
ball.render(game.sr);
}
paddle.render(game.sr);
if (getShieldCount() > 0) {
game.sr.begin(ShapeType.Filled);
game.sr.setColor(Color.SALMON);
game.sr.rect(0, 0, BrickBuster.WIDTH, getShieldCount() * SHIELD_HEIGHT);
game.sr.end();
}
long renderTime = System.nanoTime() - start;
game.sb.begin();
game.font.setColor(Color.GRAY);
game.font.draw(game.sb, String.format("FPS: %d Update: %.2f ms Render: %.2f ms",
Gdx.graphics.getFramesPerSecond(), updateTime/1000000f, renderTime/1000000f), 0, 13);
game.sb.end();
}
@Override
public void update(float dt) {
long start = System.nanoTime();
paddle.update(dt);
for (Iterator<Ball> it = balls.iterator(); it.hasNext();) {
Ball ball = it.next();
ball.update(dt);
if (ball.isDead()) {
it.remove();
}
}
if (balls.isEmpty()) {
ballReset();
}
for (Iterator<PowerUp> it = powerUps.iterator(); it.hasNext();) {
PowerUp powerUp = it.next();
powerUp.update(dt);
if(powerUp.isCaught()) {
it.remove();
}
}
if (bricks.isEmpty()) {
// TODO: Fix this - go to an after-game menu
//create();
}
updateTime = System.nanoTime() - start;
}
public int getShieldCount() {
return shieldCount;
}
public void addShield() {
shieldCount++;
paddle.setY(paddle.getY() + SHIELD_HEIGHT);
}
public void removeShield() {
shieldCount--;
paddle.setY(paddle.getY() - SHIELD_HEIGHT);
}
public void ballReset() {
Ball ball = new Ball(this);
ball.setX(paddle.getX());
ball.setY(Paddle.PADDLE_Y + Paddle.PADDLE_HEIGHT + Ball.RADIUS);
balls.add(ball);
paddle.setSticky(false);
paddle.setWidth(Paddle.DEFAULT_WIDTH);
}
private static final Class<? extends PowerUp> getWeightedPowerUp() {
int remaining = MathUtils.random(weightSum);
for (Map.Entry<Class<? extends PowerUp>, Integer> entry : PlayState.powerUpWeights.entrySet()) {
remaining -= entry.getValue();
if (remaining < 0) {
return entry.getKey();
}
}
return null;
}
static {
Map<Class<? extends PowerUp>, Integer> tmp = new HashMap<Class<? extends PowerUp>, Integer>();
// Assign PowerUp weights here
tmp.put(GluePowerUp.class, 30);
tmp.put(LongerPaddlePowerUp.class, 40);
tmp.put(MultiBallPowerUp.class, 20);
tmp.put(ShieldPowerUp.class, 40);
powerUpWeights = Collections.unmodifiableMap(tmp);
int sum = 0;
for (int x : PlayState.powerUpWeights.values()) {
sum += x;
}
weightSum = sum;
}
}

27
core/src/com/me/brickbuster/state/State.java Normal file
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@ -0,0 +1,27 @@
package com.me.brickbuster.state;
import com.badlogic.gdx.ScreenAdapter;
import com.me.brickbuster.BrickBuster;
public abstract class State extends ScreenAdapter {
protected final BrickBuster game;
public State(BrickBuster game) {
this.game = game;
this.setup();
}
@Override
public final void render(float delta) {
update(delta);
render();
}
public abstract void setup();
public abstract void render();
public abstract void update(float dt);
}