Player

package com.iMackshun.Games.PixelFormer.Objects;

import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.InputAdapter;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.BodyDef;
import com.badlogic.gdx.physics.box2d.BodyDef.BodyType;
import com.badlogic.gdx.physics.box2d.Fixture;
import com.badlogic.gdx.physics.box2d.FixtureDef;
import com.badlogic.gdx.physics.box2d.PolygonShape;
import com.badlogic.gdx.physics.box2d.World;

public class Player extends InputAdapter{
    enum State{
        MOVINGLEFT,
        MOVINGRIGHT,
        JUMPING,
        IDLE,
    };

    //Variable Declarations
    public static Body PlayerBody;
    public static State state;
    public static int SPEED = 10;

    //Constructor
    public Player(World world, FixtureDef PlayerFixtureDef, float X, float Y, float Width, float Height){
        //Body Definition
        BodyDef bodyDef = new BodyDef();//Shape
        bodyDef.type = BodyType.DynamicBody;
        bodyDef.position.set(X,Y);
        //Create The Body and Disable Rotation
        PlayerBody = world.createBody(bodyDef);
        PlayerBody.setFixedRotation(true);
        // Shape
        PolygonShape PlayerShape = new PolygonShape();
        PlayerShape.setAsBox(Width, Height);
        //Fixture Definition
        FixtureDef fixtureDef = new FixtureDef();
        fixtureDef.shape = PlayerShape;
        fixtureDef.density = 0.5f;
        fixtureDef.friction = 0.0f;
        fixtureDef.restitution = 0.2f;
        // Create The Fixture and Bind the Shape to the Body
        Fixture PlayerFixture = PlayerBody.createFixture(fixtureDef);
    }
    public void update(){
        Vector2 Velocity = PlayerBody.getLinearVelocity();
        switch(state){
        case MOVINGLEFT:
            Velocity.x = -SPEED;
            break;
        case MOVINGRIGHT:
            Velocity.x = SPEED;
            break;
        case IDLE:
            Velocity.x = 0;
            break;
        }
        PlayerBody.setLinearVelocity(Velocity);
    }
    @Override
    public boolean keyDown(int keycode) {
        switch(keycode){
        case(Keys.LEFT):
            state = State.MOVINGLEFT;
            break;
        case(Keys.RIGHT):
            state = State.MOVINGRIGHT;
            break;
        case(Keys.SPACE):
            if(state != State.JUMPING){
            System.out.print("Jump");
            state = State.JUMPING;
            PlayerBody.applyForceToCenter(0, 5000, true);
            }
            break;
        }
        return true;
    }
    @Override
    public boolean keyUp(int keycode) {
        switch(keycode){
        case(Keys.LEFT):
            state = State.IDLE;
            break;
        case(Keys.RIGHT):
            state = State.IDLE;
            break;
        }
        return true;
    }
}