Move control of active tetromino to a separate object.

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Assets/Scripts/tetromino.cs

@@ -8,6 +8,7 @@ public class tetromino : MonoBehaviour
 {
     public float timeBetweenSteps;
     public bool active = true;
+    public tetrominoUserControl TetrominoUserControl;
     
     private float stepTimer = 0.0f;
     private bool wouldCollide = false;
@@ -15,7 +16,8 @@ public class tetromino : MonoBehaviour
     // Start is called before the first frame update
     void Start()
     {
-        
+        TetrominoUserControl = FindObjectOfType<tetrominoUserControl>();
+        TetrominoUserControl.setActiveTetromino(gameObject);
     }
 
     // Update is called once per frame
@@ -28,16 +30,7 @@ public class tetromino : MonoBehaviour
             stepTimer = stepTimer - timeBetweenSteps;
             nextStep();
         }
-
-        if (Input.GetButtonDown("tetrisMoveLeft") && active)
-        {
-            transform.position += Vector3.left * 1.0f;
-        }
         
-        if (Input.GetButtonDown("tetrisMoveRight") && active)
-        {
-            transform.position += Vector3.right * 1.0f;
-        }
     }
 
     void nextStep()
@@ -48,7 +41,6 @@ public class tetromino : MonoBehaviour
             //Only do this if it's a piece at the bottom, so we don't detect ourself as a collision.
             if (Math.Abs(child.localPosition.y - (0.5)) < 0.001) //my IDE suggested I do this to fix floating-point comparison issues, and I see the logic at work here.
             {
-                Debug.Log("Checking position: " + child.position);
                 if (validateFall(child))
                 {
                     wouldCollide = true;
@@ -72,7 +64,7 @@ public class tetromino : MonoBehaviour
         //Cast a ray to the next position of the tetromino. 
         //NOTE: disabled "Queries Start in Colliders" in Project Settings>Physics 2D (thank you again, Tavi).
         RaycastHit2D collision = Physics2D.Raycast(pieceToCheck.position, Vector2.down, 1.0f);
-        Debug.DrawRay(pieceToCheck.position,Vector3.down,Color.red,1000.0f);
+        // Debug.DrawRay(pieceToCheck.position,Vector3.down,Color.red,1000.0f);
         if (collision.collider != null && collision.collider.name != pieceToCheck.name)
         {
             Debug.Log("Collided with object: " + collision.collider.name);

Assets/Scripts/tetrominoSpawnManager.cs

@@ -4,7 +4,7 @@ using System.Collections.Generic;
 using UnityEngine;
 using Random = UnityEngine.Random;
 
-public class tetrisManager : MonoBehaviour
+public class tetrominoSpawnManager : MonoBehaviour
 {
     public Vector3 spawnPoint;
     public GameObject tetrominoSquare;

Assets/Scripts/tetrominoUserControl.cs

@@ -0,0 +1,33 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class tetrominoUserControl : MonoBehaviour
+{
+    public GameObject activeTetromino;
+    
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        if (Input.GetButtonDown("tetrisMoveLeft") && activeTetromino != null)
+        {
+            activeTetromino.gameObject.transform.position += Vector3.left * 1.0f;
+        }
+        
+        if (Input.GetButtonDown("tetrisMoveRight") && activeTetromino != null)
+        {
+            activeTetromino.gameObject.transform.position += Vector3.right * 1.0f;
+        }
+    }
+
+    public void setActiveTetromino(GameObject tetromino)
+    {
+        activeTetromino = tetromino;
+    }
+}

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