Added project

Project1/Assets/Scripts/CoinCollect.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+/*
+Author: Alexandrov Alexander Alexandrovich
+Date: 25/10/2019
+
+Script that implement collect of coins by player's character
+*/
+
+public class CoinCollect : MonoBehaviour {
+
+    private GameController gameController;
+
+    void Start() {
+        GameObject gameControllerObject = GameObject.FindGameObjectWithTag("game_controller");
+        if (gameControllerObject != null) {
+            gameController = gameControllerObject.GetComponent<GameController>();
+        } else {
+            Debug.Log("Cannot find 'GameController' script!");
+        }
+    }
+
+    private void OnTriggerEnter2D(Collider2D other) {
+        if (other.gameObject.CompareTag("Player")) {
+            gameController.AddScore(1);
+            Destroy(gameObject);
+        }
+    }
+    
+}

Project1/Assets/Scripts/CoinCollect.cs.meta

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Project1/Assets/Scripts/DeathTrigger.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+/*
+Author: Alexandrov Alexander Alexandrovich
+Date: 25/10/2019
+
+Script that implement death of player character
+*/
+public class DeathTrigger : MonoBehaviour {
+
+    private GameController gameController;
+
+    void Start() {
+        GameObject gameControllerObject = GameObject.FindGameObjectWithTag("game_controller");
+        if (gameControllerObject != null) {
+            gameController = gameControllerObject.GetComponent<GameController>();
+        } else {
+            Debug.Log("Cannot find 'GameController' script!");
+        }
+    }
+
+    void OnTriggerEnter2D(Collider2D other) {
+        if (other.gameObject.CompareTag("Player")) {
+            Destroy(other.gameObject);
+            gameController.GameOver();
+        }
+    }
+    
+}

Project1/Assets/Scripts/DeathTrigger.cs.meta

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Project1/Assets/Scripts/GameController.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.SceneManagement;
+using UnityEngine;
+using UnityEngine.UI;
+
+/*
+Author: Alexandrov Alexander Alexandrovich
+Date: 25/10/2019
+
+Script that implement game controller
+*/
+public class GameController : MonoBehaviour {
+
+    public int coinsCount = 35;
+
+    public Text scoreText;
+    public Text gameOverText;
+    public Text restartText;
+
+    private int score;
+    private bool gameOver;
+
+    // Start is called before the first frame update
+    void Start() {
+        score = 0;
+        gameOver = false;
+        restartText.text = "";
+        gameOverText.text = "";
+        UpdateScore();
+    }
+
+    // Update is called once per frame
+    void Update() {
+        if (gameOver) {
+            if (Input.GetKeyDown(KeyCode.R)) {
+                SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);
+            }
+        }
+    }
+
+    public void AddScore(int newScoreValue) {
+        score += newScoreValue;
+        UpdateScore();
+        if (score >= coinsCount) {
+            GameObject playerObject = GameObject.FindGameObjectWithTag("Player");
+            if (playerObject != null) {
+                Destroy(playerObject);
+                GameOver();
+            }
+
+        }        
+    }
+
+    void UpdateScore() {
+        scoreText.text = "Coins: " + score;
+    }
+
+    public void GameOver() {
+        gameOverText.text = "Game Over!";
+        restartText.text = "Press 'R' for Restart";
+        gameOver = true;
+    }
+}

Project1/Assets/Scripts/GameController.cs.meta

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Project1/Assets/Scripts/MovingPlatform.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+/*
+Author: Alexandrov Alexander Alexandrovich
+Date: 25/10/2019
+
+Script that implement moving platform
+*/
+public class MovingPlatform : MonoBehaviour {
+
+    public Vector3 finishPos = Vector3.zero;
+    public float speed = 0.5f;
+
+    private Vector3 _startPos;
+    private float _trackPercent = 0;
+    private int _direction = 1;
+
+    // Start is called before the first frame update
+    void Start() {
+        _startPos = transform.position;
+    }
+
+    // Update is called once per frame
+    void Update() {
+        _trackPercent += _direction * speed * Time.deltaTime;
+        float x = (finishPos.x - _startPos.x) * _trackPercent + _startPos.x;
+        float y = (finishPos.y - _startPos.y) * _trackPercent + _startPos.y;
+        transform.position = new Vector3(x, y, _startPos.z);
+
+        if ((_direction == 1 && _trackPercent > 1f) || (_direction == -1 && _trackPercent < 0f)) {
+            _direction *= -1;
+        }
+    }
+}

Project1/Assets/Scripts/MovingPlatform.cs.meta

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Project1/Assets/Scripts/PlayerController.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+/*
+Author: Alexandrov Alexander Alexandrovich
+Date: 25/10/2019
+
+Script that implement player character controller
+*/
+public class PlayerController : MonoBehaviour {
+
+    public Transform playerCamera;
+    public float speed = 250.0f;
+    public float jumpForce = 12.0f;
+    private Rigidbody2D _body;
+    private BoxCollider2D _box;
+    private Vector3 _camPos;
+
+    void Start() {
+        _body = GetComponent<Rigidbody2D>();
+        _box = GetComponent<BoxCollider2D>();
+        _camPos = playerCamera.transform.position;
+    }
+
+    void Update() {
+        float deltaX = Input.GetAxis("Horizontal") * speed * Time.deltaTime;
+        Vector2 movement = new Vector2(deltaX, _body.velocity.y);
+        _body.velocity = movement;
+
+        Vector3 max = _box.bounds.max;
+        Vector3 min = _box.bounds.min;
+
+        Vector2 corner1 = new Vector2(max.x, min.y - .1f);
+        Vector2 corner2 = new Vector2(min.x, min.y - .2f);
+        Collider2D hit = Physics2D.OverlapArea(corner1, corner2);
+
+        bool grounded = false;
+        if (hit != null) {
+            grounded = true;
+        }
+
+        _body.gravityScale = grounded && deltaX == 0 ? 0 : 1;
+
+        if (grounded && Input.GetKeyDown(KeyCode.Space)) {
+            _body.AddForce(Vector2.up * jumpForce, ForceMode2D.Impulse);
+        }
+
+        MovingPlatform platform = null;
+
+        if (hit != null) {
+            platform = hit.GetComponent<MovingPlatform>();
+        }
+
+        //Checking if player character stay out on moving platform
+        if (platform != null) {
+            transform.parent = platform.transform;
+        } else {
+            transform.parent = null;
+        }
+
+        Vector3 pScale = Vector3.one;
+    
+        if (deltaX != 0) {
+            transform.localScale = new Vector3(Mathf.Sign(deltaX)/pScale.x, 1/pScale.y, 1);
+        }
+
+        //Checking for player character moving out of screen edge.
+        if (transform.position.x > playerCamera.transform.position.x + 9) {
+            _camPos.x = _camPos.x + 18;
+            playerCamera.transform.position = _camPos;
+            playerCamera.GetComponentInChildren<SpriteRenderer>().flipX = !playerCamera.GetComponentInChildren<SpriteRenderer>().flipX;
+        } else if (transform.position.x < playerCamera.transform.position.x - 9) {
+            _camPos.x = _camPos.x - 18;
+            playerCamera.transform.position = _camPos;
+            playerCamera.GetComponentInChildren<SpriteRenderer>().flipX = !playerCamera.GetComponentInChildren<SpriteRenderer>().flipX;
+        }
+    }
+}

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