player class

package nl.appic.stickyjumper;

import com.badlogic.gdx.Input.Keys;

public class Player extends DynamicGameObject {
	public static final float PLAYER_WIDTH = 2f;
	public static final float PLAYER_HEIGHT = 5f;
	public static final float JUMP_VELOCITY = 10;
	public static float MOVE_VELOCITY = 0;
	public static float accelX = 5;

	public enum PlayerState {
		JUMP, FALL, CHILL
	}

	private PlayerState state;
	private int stateTime;
	private boolean slowDown;

	public Player(float x, float y) {
		super(x, y, PLAYER_WIDTH, PLAYER_HEIGHT);
		state = PlayerState.CHILL;
		stateTime = 0;
	}

	public void update(float delta) {
		checkFloor(delta);
		decreaseMovingSpeed(delta);
		checkSideTeleport();

		position.add(velocity.x * delta, velocity.y * delta);
		stateTime += delta;
	}

	private void decreaseMovingSpeed(float delta) {
		if(slowDown){
			if(velocity.x == 0 && velocity.x < 1 || velocity.x < -1){
				velocity.x += MOVE_VELOCITY * delta;
				System.out.println(velocity.x);
			}else{
				velocity.x = 0;
				slowDown = false;
			}
		}else{
		//	velocity.x = MOVE_VELOCITY;
		}
	}

	private void checkFloor(float delta) {
		if (position.y > 0) {
			velocity.add(World.GRAVITY.x * delta, World.GRAVITY.y * delta);
		} else {
			position.y = 0; // doesn't fall through ground
		}
	}

	@Override
	public boolean keyDown(int keycode) {
		switch (keycode) {
		case Keys.A:
			MOVE_VELOCITY = -accelX;
			break;
		case Keys.D:
			MOVE_VELOCITY = accelX;
			break;
		case Keys.W:
			velocity.y = JUMP_VELOCITY;
			break;
		}
		System.out.println(accelX);
		return super.keyDown(keycode);
	}

	@Override
	public boolean keyUp(int keycode) {
		slowDown = true;
		return super.keyUp(keycode);
	}

}