Ball.java

package com.collzi.pong.model;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.math.*;

public class Ball {

    static final float WIDTH = 14f;
    static final float HEIGHT = 14f;

    int angleCheck;
    float angle = 0;
    float speed = 15f;
    float stateTime = 0;

    Vector2 velocity = new Vector2();
    Vector2 scale = new Vector2();
    Vector2 position = new Vector2();
    Rectangle bounds = new Rectangle();

    public Ball(Vector2 position) {
        this.position = position;
        angleCheck = MathUtils.random(1);
        if (angleCheck == 0)
            angle = -150;
        else
            angle = -30;

        this.bounds.width = WIDTH;
        this.bounds.height = HEIGHT;

        this.scale.x = MathUtils.cosDeg(angle);
        this.scale.y = MathUtils.sinDeg(angle);
        this.velocity.x = speed * scale.x;
        this.velocity.y = speed * scale.y;
    }

    public float getStateTime() { return stateTime; }
    public Vector2 getVelocity() { return velocity; }
    public float getSpeed() { return speed; }
    public Vector2 getPosition() { return position; }
    public Rectangle getBounds() { return bounds; }
    public float getAngle() { return angle; }

    public void setBounds(Rectangle bounds) { this.bounds = bounds; }
    public void setStateTime(float stateTime) { this.stateTime = stateTime; }
    public void setVelocity(Vector2 velocity) { this.velocity = velocity; }
    public void setPosition(Vector2 position) { this.position = position; }
    public void setAngle(float angle) { this.angle = angle; }
    public void setSpeed(float speed) { this.speed = speed; }

    public void update(float delta) {
        position.add(velocity.cpy().scl(Gdx.graphics.getDeltaTime() * speed));

        bounds.x = position.x;
        bounds.y = position.y;

        stateTime += delta;
    }
}