finished portal fundimentals

Assets/Scripts/CameraMovement.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CameraMovement : MonoBehaviour
+{
+
+    [SerializeField] private Transform target;
+    [SerializeField] private float speed;
+
+    private MapInfo map;
+    private Camera cam;
+
+    void Start()
+    {
+        map = FindObjectOfType<MapInfo>();
+        cam = GetComponentInChildren<Camera>();
+        if (cam == null)
+            enabled = false;
+    }
+
+    // LateUpdate is called once at the end of frame
+    void LateUpdate()
+    {
+        if(target == null)
+            return;
+
+        Vector3 targetPositon = target.position;
+        if (map != null)
+        {
+            targetPositon = map.ClampPosition(targetPositon, 
+                new Vector2(cam.orthographicSize * cam.aspect, cam.orthographicSize));
+        }
+
+        transform.position = Vector3.MoveTowards(transform.position, targetPositon, speed * Time.deltaTime);
+    }
+
+    public void SetTarget(Transform newTarget)
+    {
+        target = newTarget;
+    }
+
+    public void JumpToTarget()
+    {
+        if(target == null)
+            return;
+
+        transform.position = target.position;
+    }
+}

Assets/Scripts/CameraMovement.cs.meta

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Assets/Scripts/Command.cs

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+//Command.cs
+using UnityEngine;
+
+public abstract class Command
+{
+    public abstract KeyCode Key { get; set; }
+    public abstract string Description { get; }
+
+    /*
+    Todo:
+        1. Add an abstract Execute method with an argument for receiver.
+            For your consideration:
+                What would make for a good Execute receiver parameter?
+                Should we try to limit the receiver types?
+                How precisely can we limit the receiver's type?
+                Could we move the receiver into command data instead?
+                What are the benefits of either approach? Which works best here?
+    */
+
+    /*
+    2. Create a MoveCommand class, which executes Walk method in TileBasedMovement component.
+       Execute method of this command should call the Walk(Vector3 direction) method of GridMovement.
+*/
+}

Assets/Scripts/Command.cs.meta

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Assets/Scripts/GUI.meta

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Assets/Scripts/GUI/ControlCard.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class ControlCard : MonoBehaviour
+{
+
+    public Command MyCommand;
+
+    [SerializeField] private Text description;
+    [SerializeField] private Text key;
+    
+    private RebindMenu rebindMenu;
+
+    public void Populate(Command command, RebindMenu rebindMenu)
+    {
+        this.rebindMenu = rebindMenu;
+        MyCommand = command;
+        Refresh();
+    }
+
+    public void Rebind()
+    {
+        rebindMenu.Open(this);
+    }
+
+    public void Refresh()
+    {
+        description.text = MyCommand.Description;
+        key.text = MyCommand.Key.ToString();
+    }
+
+}

Assets/Scripts/GUI/ControlCard.cs.meta

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Assets/Scripts/GUI/ControlsMenu.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ControlsMenu : MonoBehaviour
+{
+
+    [Header("Widgets")]
+    [SerializeField] private GameObject mainPanel;
+    [SerializeField] private GameObject scrollContent;
+    [SerializeField] private RebindMenu rebindMenu;
+
+    [Header("Prefabs")]
+    [SerializeField] private ControlCard controlCardPrefab;
+
+    private InputHandler inputHandler;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        inputHandler = FindObjectOfType<InputHandler>();
+        if (inputHandler == null)
+        {
+            gameObject.SetActive(false);
+            return;
+        }
+        foreach (Command command in inputHandler.Keymap)
+        {
+            ControlCard card = Instantiate(controlCardPrefab, scrollContent.transform);
+            card.Populate(command, rebindMenu);
+        }
+        Close();
+    }
+
+    public void Open()
+    {
+        mainPanel.SetActive(true);
+        inputHandler.enabled = false;
+    }
+
+    public void Close()
+    {
+        mainPanel.SetActive(false);
+        rebindMenu.Close();
+        inputHandler.enabled = true;
+    }
+
+}

Assets/Scripts/GUI/ControlsMenu.cs.meta

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Assets/Scripts/GUI/RebindMenu.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class RebindMenu : MonoBehaviour
+{
+
+    [SerializeField] private Text instruction;
+
+    private ControlCard controlCard;
+
+    public void Open(ControlCard keybindCard)
+    {
+        controlCard = keybindCard;
+        instruction.text = $"Enter new key for\n" +
+                           $"{controlCard.MyCommand.Description}";
+        gameObject.SetActive(true);
+    }
+
+    public void Close()
+    {
+        gameObject.SetActive(false);
+    }
+
+    //On GUI provides a convenient method to get keycodes through Event data
+    void OnGUI()
+    {
+        if(!(Event.current.isKey && Input.anyKeyDown))
+            return;
+        
+        controlCard.MyCommand.Key = Event.current.keyCode;
+        controlCard.Refresh();
+        Close();
+    }
+
+}

Assets/Scripts/GUI/RebindMenu.cs.meta

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Assets/Scripts/GridMovement.cs

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+//GridMovement.cs
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GridMovement : MonoBehaviour
+{
+    [SerializeField] private float moveTime = 0.3f;
+    [SerializeField] private AnimationCurve spacing;
+    
+    private bool isMoving;
+    private Animator animator;
+    private MapInfo map;
+
+    void Start()
+    {
+        animator = GetComponent<Animator>();
+        animator.SetFloat("y", -1);
+        map = FindObjectOfType<MapInfo>();
+    }
+
+    private void Update()
+    {
+        if (Input.GetKeyDown(KeyCode.W)) 
+        {
+            Walk(Vector3.up);
+        }
+        else if (Input.GetKeyDown(KeyCode.S))
+        {
+            Walk(Vector3.down);
+        }
+        else if (Input.GetKeyDown(KeyCode.A))
+        {
+            Walk(Vector3.left);
+        }
+        else if (Input.GetKeyDown(KeyCode.D))
+        {
+            Walk(Vector3.right);
+        }
+    }
+
+    public bool Walk(Vector3 direction)
+    {
+        if (isMoving) 
+            return false;
+    
+        if (!IsPositionWalkable(transform.position + direction))
+            return false;
+        
+        StartCoroutine(WalkCoroutine(direction, moveTime));
+        return true;
+    }
+
+    private bool IsPositionWalkable(Vector3 pos)
+    {
+        if (Physics2D.OverlapPoint(pos) != null)
+            return false;
+
+        if (map != null)
+        {
+            return map.IsPositionInBounds(pos);
+        }
+
+        return true;
+    }
+
+    private IEnumerator WalkCoroutine(Vector3 direction, float duration)
+    {
+        Vector3 from = transform.position;
+        Vector3 to = from + direction;
+
+        animator.SetFloat("x", direction.x);
+        animator.SetFloat("y", direction.y);
+        animator.SetFloat("speed", 1f);
+        if (duration < float.Epsilon)
+        {
+            transform.position = to;
+            yield break;
+        }
+
+        isMoving = true;
+        float aggregate = 0;
+        while (aggregate < 1f)
+        {
+            aggregate += Time.deltaTime / duration;
+            transform.position = Vector3.Lerp(from, to, spacing.Evaluate(aggregate));
+            yield return null;
+        }
+        isMoving = false;
+        animator.SetFloat("speed", 0f);
+    }
+}

Assets/Scripts/GridMovement.cs.meta

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Assets/Scripts/InputHandler.cs

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+//InputHandler.cs
+using UnityEngine;
+using System.Collections.Generic;
+using System.Linq;
+
+public class InputHandler : MonoBehaviour
+{
+
+    // SerializeField let's us assign a value in the Unity editor for private variables.
+    [SerializeField]
+    // The character currently being commanded
+    private GridMovement currentActor;
+
+    // A list of all characters in the scene
+    private List<GridMovement> allActors;
+
+    // Variables for binding commands to input and executing commands
+    public List<Command> Keymap = new List<Command>();  // keycode to command mapping
+
+    // Use this for initialization
+    void Awake()
+    {
+        // TODO: Add movement commands to the list
+    }
+
+
+    void Update()
+    {
+        // TODO: Loop through all commands and execute them on correct actor via correct key press.
+    }
+}

Assets/Scripts/InputHandler.cs.meta

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Assets/Scripts/MapInfo.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MapInfo : MonoBehaviour
+{
+
+    [Header("Map Bounds")]
+    public Vector2Int MaxCoordinate;
+    public Vector2Int MinCoordinate;
+
+    public bool IsPositionInBounds(Vector3 pos)
+    {
+        return pos.x <= MaxCoordinate.x &&
+               pos.x >= MinCoordinate.x &&
+               pos.y <= MaxCoordinate.y &&
+               pos.y >= MinCoordinate.y;
+    }
+
+    public Vector3 ClampPosition(Vector3 pos, Vector2 border)
+    {
+        return new Vector3(
+            Mathf.Clamp(pos.x, MinCoordinate.x + border.x - 1, MaxCoordinate.x - border.x + 1),
+            Mathf.Clamp(pos.y, MinCoordinate.y + border.y - 1, MaxCoordinate.y - border.y + 1),
+            pos.z);
+    }
+
+}

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