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// 3 button keyboard emulator for the 5V Adafruit Trinket.
// Requires the Trinket Keyboard Library from Adafruit (https://github.com/adafruit/Adafruit-Trinket-USB/archive/master.zip)

#include <TrinketKeyboard.h>

// Array to hold keypresses. Trinket can emulate 3 simultaneously pressed keys
uint8_t pressedKeys[3];

void setup() {
  // Each pin* uses internal pullup resistors 

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// This requires Adafruit's Pro Trinket Keyboard library
#include <ProTrinketKeyboard.h>

// Array to hold keypresses.
uint8_t pressedKeys[9];

void setup() {
  // Each pin uses internal pullup resistors
  pinMode(3, INPUT_PULLUP);
  pinMode(4, INPUT_PULLUP);

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// Simple quit and escape functionality

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// First, add this...
using UnityEngine.SceneManagement;

public class QuitAndReset : MonoBehaviour

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// Code based on CameraFacingBillboard by Nei Carter: http://wiki.unity3d.com/index.php?title=CameraFacingBillboard

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Billboard : MonoBehaviour
{
    public Transform cameraTransform;
    

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// Add SceneManagement to switch scenes
using UnityEngine.SceneManagement;

public class TriggerScene : MonoBehaviour
{
    // Create a string variable that you can set in the Inspector to specify the name of your new scene. You don't need quotes there.

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DestroyingThings : MonoBehaviour
{
    // This example assumes you will use collision to destroy something. You can use the code inside of OnTriggerEnter2D as well
    private void OnCollisionEnter2D(Collision2D collision)
    {
        // If the other thing has a specific tag. It's a good idea to limit the detection to specific things

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Here is a bonus Unity example for 2D Game Design F21. Let me know what else you need!
======================================================================================

A BASIC APPROACH TO FLAPPING
Full example: FlappyControl.cs

Important: 
1. Flapping isn't exactly jumping. Our expectations of jumping in videogames tend to be much higher. This is dumb, bouncy, and messy (but fun!)
2. Your GameObject needs a Rigidbody2D component with Gravity Scale set to something other than 0.
3. The script interact's a lot with the Rigidbody2D properties Gravity Scale and Linear Drag. Experiment!

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class KeyControl : MonoBehaviour
{
    // Variables for keycodes that can be set in the Inspector
    public KeyCode up = KeyCode.W;
    public KeyCode down = KeyCode.S;
    public KeyCode left = KeyCode.A;

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class JustOnce : MonoBehaviour
{

    // Has the thing already been done?
    private bool alreadyDone = false;

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement; // Add Scene Management

public class SwitchScene : MonoBehaviour
{

    // Important: Don't forget to add the next scene to your project's Build Settings