com.pong.game.MainGame.java Source code

Introduction

Here is the source code for com.pong.game.MainGame.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.pong.game;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.math.Rectangle;
import com.pong.elements.Ball;
import static com.pong.elements.Ball.HState.LEFT;
import static com.pong.elements.Ball.HState.RIGHT;
import static com.pong.elements.Ball.VState.DOWN;
import static com.pong.elements.Ball.VState.UP;
import com.pong.elements.Paddle;
import static com.pong.game.MainGame.state.PLAYER1SCORE;
import static com.pong.game.MainGame.state.PLAYER2SCORE;

/**
 *
 * @author scott
 */
public class MainGame implements Screen {

    private WorldRenderer renderer;
    private Ball ball;

    private Paddle player1;
    private Paddle player2;

    private int player1Score;
    private int player2Score;
    private long startTime;
    private long secondsPassed;
    private long next;

    private state scoreState;

    //    Rectangle left;
    //    Rectangle right;
    //    Rectangle up;
    //    Rectangle down;
    Rectangle bounds;

    public enum state {

        PLAYER1SCORE, PLAYER2SCORE
    }

    public MainGame() {
        ball = new Ball();
        player1 = new Paddle(10, Gdx.graphics.getHeight() / 2);
        player2 = new Paddle(Gdx.graphics.getWidth() - 30, Gdx.graphics.getHeight() / 2);
        bounds = new Rectangle(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        startTime = System.currentTimeMillis();
        scoreState = null;
        renderer = new WorldRenderer(ball, player1, player2, player1Score, player2Score);
    }

    @Override
    public void render(float delta) {
        renderer.render(delta, player1Score, player2Score);
        secondsPassed = (System.currentTimeMillis() - startTime) / 1000;

        paddleLogic();
        ballLogic();

        if (ball.getRect().overlaps(player1.getRect())) {
            //if ball hits player 1
            ball.changeHState();
            //if the ball touches the upper half of the paddle
            if (Gdx.input.isKeyPressed(Keys.W) || Gdx.input.isKeyPressed(Keys.S)) {
                if (Gdx.input.isKeyPressed(Keys.W)) {
                    ball.changeVState(UP);
                } else {
                    ball.changeVState(DOWN);
                }
            } else if (ball.getY() >= player1.getY() + (player1.getHeight() / 2)) {
                ball.changeVState(UP);
            } else {
                ball.changeVState(DOWN);
            }
        } else if (ball.getRect().overlaps(player2.getRect())) {
            //if ball hits player 2
            ball.changeHState();
            //if the ball touches the upper half of the paddle
            if (Gdx.input.isKeyPressed(Keys.UP) || Gdx.input.isKeyPressed(Keys.DOWN)) {
                if (Gdx.input.isKeyPressed(Keys.UP)) {
                    ball.changeVState(UP);
                } else {
                    ball.changeVState(DOWN);
                }
            } else if (ball.getY() >= player2.getY() + (player2.getHeight() / 2)) {
                ball.changeVState(UP);
            } else {
                ball.changeVState(DOWN);
            }
        }
        if (scoreState == PLAYER1SCORE) {
            if (secondsPassed == next) {
                ball.changeHState(RIGHT);
                scoreState = null;
            }
        } else if (scoreState == PLAYER2SCORE) {
            if (secondsPassed == next) {
                ball.changeHState(LEFT);
                scoreState = null;
            }
        }

    }

    public void paddleLogic() {
        //player 1 movement
        if (Gdx.input.isKeyPressed(Keys.W)) {
            //move player 1 up
            player1.moveUp(5);
        } else if (Gdx.input.isKeyPressed(Keys.S)) {
            //move player 1 down
            player1.moveDown(5);
        }

        //player 2 movement
        if (Gdx.input.isKeyPressed(Keys.UP)) {
            //move player 2 up
            player2.moveUp(5);
        } else if (Gdx.input.isKeyPressed(Keys.DOWN)) {
            //move player 2 down
            player2.moveDown(5);
        }

        if (player1.getY() + player1.getHeight() > Gdx.graphics.getHeight()) {
            player1.setY(Gdx.graphics.getHeight() - player1.getHeight());
        } else if (player1.getY() < 0) {
            player1.setY(0);
        }

        if (player2.getY() + player2.getHeight() > Gdx.graphics.getHeight()) {
            player2.setY(Gdx.graphics.getHeight() - player2.getHeight());
        } else if (player2.getY() < 0) {
            player2.setY(0);
        }
    }

    public void ballLogic() {
        if (ball.getY() > 600) {
            ball.changeVState();
        } else if (ball.getY() < 0) {
            ball.changeVState();
        }

        if (ball.getX() < 0) {
            player2Score++;
            next = secondsPassed + 2;
            ball.reset();
            scoreState = PLAYER2SCORE;
        } else if (ball.getX() > Gdx.graphics.getWidth()) {
            player1Score++;
            next = secondsPassed + 2;
            ball.reset();
            scoreState = PLAYER1SCORE;
        }

        if (ball.getHState() == LEFT) {
            //if ball goes left
            ball.moveLeft(10);
        } else if (ball.getHState() == RIGHT) {
            //if ball goes right
            ball.moveRight(10);
        }

        if (ball.getVState() == UP) {
            //if ball goes up
            ball.moveUp(8);
        } else if (ball.getVState() == DOWN) {
            //if ball goes down
            ball.moveDown(8);
        }
    }

    @Override
    public void resize(int width, int height) {
    }

    @Override
    public void pause() {
    }

    @Override
    public void resume() {
    }

    @Override
    public void hide() {
    }

    @Override
    public void dispose() {
    }

    @Override
    public void show() {
    }
}