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package com.zx.pong; // ww w. ja v a2 s . co m import com.badlogic.gdx.ApplicationListener; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.GL20; 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.Sprite; import com.badlogic.gdx.graphics.g2d.SpriteBatch; import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator; import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator.FreeTypeFontParameter; import com.badlogic.gdx.graphics.glutils.ShapeRenderer; import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType; import com.badlogic.gdx.math.Matrix4; import com.badlogic.gdx.math.Rectangle; import com.badlogic.gdx.math.Vector3; public class Pong implements ApplicationListener { private float w; private float h; private OrthographicCamera camera; private SpriteBatch batch; private SpriteBatch batchLeftPlayerScore; private SpriteBatch batchRightPlayerScore; private Texture paddleTexture; private Texture ballTexture; private Sprite leftPaddle; private Sprite rightPaddle; private Sprite ball; private boolean ballMovingLeft; private float ballYMovement; private float ballSpeed; private int leftPlayerScore; private int rightPlayerScore; private ShapeRenderer shapeRenderer; BitmapFont arial30; @Override public void create() { w = Gdx.graphics.getWidth(); h = Gdx.graphics.getHeight(); camera = new OrthographicCamera(w, h); camera.setToOrtho(false, w, h); batch = new SpriteBatch(); Matrix4 rotMatLeft = new Matrix4(); Matrix4 rotMatRight = new Matrix4(); batchLeftPlayerScore = new SpriteBatch(); //rotMat.setToRotation(new Vector3(w/4.f, h/2.f, 0), 180); //rotMatLeft.setToRotation(new Vector3(90, 90, 0), 180); batchLeftPlayerScore.setTransformMatrix(rotMatLeft); batchRightPlayerScore = new SpriteBatch(); //rotMatRight.setToRotation(new Vector3(1700, 700, 0), 180); batchRightPlayerScore.setTransformMatrix(rotMatRight); shapeRenderer = new ShapeRenderer(); paddleTexture = new Texture(Gdx.files.internal("square.png")); //paddleTexture.setFilter(TextureFilter.Linear, TextureFilter.Linear); ballTexture = new Texture(Gdx.files.internal("square.png")); leftPaddle = new Sprite(paddleTexture); leftPaddle.setSize(32, 256); leftPaddle.setOrigin(leftPaddle.getWidth()/2.f, leftPaddle.getHeight()/2.f); //No effect on translation leftPaddle.setPosition(leftPaddle.getWidth()*2, h/2.f - leftPaddle.getHeight()/2.f); rightPaddle = new Sprite(paddleTexture); rightPaddle.setSize(32, 256); rightPaddle.setOrigin(rightPaddle.getWidth()/2.f, rightPaddle.getHeight()/2.f); rightPaddle.setPosition(w - rightPaddle.getWidth()*2, h/2.f - rightPaddle.getHeight()/2.f); ball = new Sprite(ballTexture); ball.setOrigin(ball.getWidth()/2.f, ball.getHeight()/2.f); ball.setPosition(w/2.f + ball.getWidth()/2.f, h/2.f + ball.getHeight()/2.f); ballMovingLeft = true; ballSpeed = 10; ballYMovement = 0; leftPlayerScore = 0; rightPlayerScore = 0; FreeTypeFontGenerator generator = new FreeTypeFontGenerator(Gdx.files.internal("fonts/arial.ttf")); FreeTypeFontParameter fontParam = new FreeTypeFontParameter(); fontParam.size = 30; fontParam.flip = false; arial30 = generator.generateFont(fontParam); } @Override public void dispose() { batch.dispose(); paddleTexture.dispose(); } @Override public void render() { int leftPlayerPointer = -1; int rightPlayerPointer = -1; Rectangle leftPaddleRect = new Rectangle(leftPaddle.getX(), leftPaddle.getY(), leftPaddle.getWidth(), leftPaddle.getHeight()); Rectangle rightPaddleRect = new Rectangle(rightPaddle.getX(), rightPaddle.getY(), rightPaddle.getWidth(), rightPaddle.getHeight()); Rectangle ballRect = new Rectangle(ball.getX(), ball.getY(), ball.getWidth(), ball.getHeight()); //Collision Check //Issue: Ball can enter paddle if (ballRect.overlaps(leftPaddleRect) || ballRect.overlaps(rightPaddleRect)) { ballMovingLeft = !ballMovingLeft; ballYMovement = (float) ((Math.random()-0.5f) * 20.f); ballSpeed += 1; } //Move ball along x-axis if (ballMovingLeft) { ball.setX(ball.getX() - ballSpeed); } else { ball.setX(ball.getX() + ballSpeed); } //Reset ball if off the left/right of the screen if (ball.getX() + ball.getWidth() <= 0) { ball.setX(w/2.f + ball.getWidth()/2.f); ball.setY(h/2.f + ball.getHeight()/2.f); ballMovingLeft = !ballMovingLeft; ballYMovement = (float) ((Math.random()-0.5f) * 20.f); rightPlayerScore += 1; } else if (ball.getX() >= w) { ball.setX(w/2.f + ball.getWidth()/2.f); ball.setY(h/2.f + ball.getHeight()/2.f); ballMovingLeft = !ballMovingLeft; ballYMovement = (float) ((Math.random()-0.5f) * 20.f); leftPlayerScore += 1; } //Inverse Y-Movement if going off the top/bottom of the screen if (ball.getY() <= 0 || ball.getY() + ball.getHeight() >= h) { ballYMovement = -ballYMovement; ballSpeed = 10; } //Move ball along y-axis ball.setY(ball.getY() + ballYMovement); //Set player pointer depending on where the first finger is if (Gdx.input.isTouched(0)) { if (Gdx.input.getX(0) >= w/2.f) { rightPlayerPointer = 0; } else { leftPlayerPointer = 0; } } //Set player pointer depending on where second finger is if (Gdx.input.isTouched(1)) { if (Gdx.input.getX(1) >= w/2.f && rightPlayerPointer == -1) { rightPlayerPointer = 1; } else if (Gdx.input.getX(1) < w/2.f && leftPlayerPointer == -1){ leftPlayerPointer = 1; } } //Detect pointer on respective side and move paddle according to finger position relative to middle of paddle if (leftPlayerPointer >= 0) { if (h - Gdx.input.getY(leftPlayerPointer) >= leftPaddle.getY() + leftPaddle.getHeight()/2.f) { if (leftPaddle.getY() + leftPaddle.getHeight() <= h - 8) { leftPaddle.setY(leftPaddle.getY() + 7); } } else if (leftPaddle.getY() >= 8) { leftPaddle.setY(leftPaddle.getY() - 7); } } //Detect pointer on respective side and move paddle according to finger position relative to middle of paddle if (rightPlayerPointer >= 0) { if (h - Gdx.input.getY(rightPlayerPointer) >= rightPaddle.getY() + rightPaddle.getHeight()/2.f) { if (rightPaddle.getY() +rightPaddle.getHeight() <= h - 8) { rightPaddle.setY(rightPaddle.getY() + 7); } } else if (rightPaddle.getY() >= 8) { rightPaddle.setY(rightPaddle.getY() - 7); } } Gdx.gl.glClearColor( 40.f / 255.f, 40.f / 255.f, 40.f / 255.f, 255.f / 255.f); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); //Draw Line Separator shapeRenderer.begin(ShapeType.Line); shapeRenderer.setColor(100.f / 255.f, 100.f / 255.f, 100.f / 255.f, 255.f / 255.f); shapeRenderer.line(w/2.f, 0, w/2.f, h); shapeRenderer.end(); batch.setProjectionMatrix(camera.combined); batch.begin(); ball.draw(batch); leftPaddle.draw(batch); rightPaddle.draw(batch); batch.end(); batchLeftPlayerScore.begin(); arial30.draw(batchLeftPlayerScore, String.valueOf(leftPlayerScore), w/4.f, h/2.f); batchLeftPlayerScore.end(); batchRightPlayerScore.begin(); arial30.draw(batchRightPlayerScore, String.valueOf(rightPlayerScore), w/2.f + w/4.f, h/2.f); batchRightPlayerScore.end(); } @Override public void resize(int width, int height) { } @Override public void pause() { } @Override public void resume() { } }