Add player collision

Assets/Scenes/GaneScene.unity

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Assets/Scripts/Player.cs

@@ -15,7 +15,41 @@ public class Player : MonoBehaviour
         Vector2 inputVector = gameInput.GetMovementVectorNormalized();
 
         Vector3 moveDir = new Vector3(inputVector.x, 0f, inputVector.y);
-        transform.position += moveDir * moveSpeed * Time.deltaTime;
+
+        float moveDistance = moveSpeed * Time.deltaTime;
+        float playerRadius = .7f;
+        float playerHeight = 2f;
+        bool canMove = !Physics.CapsuleCast(transform.position, transform.position + Vector3.up * playerHeight, playerRadius, moveDir, moveDistance);
+
+        if (!canMove)
+        {
+            // Cannot move towards moveDir
+
+            // Attempt only X move
+            Vector3 moveDirX = new Vector3(moveDir.x, 0, 0).normalized;
+            canMove = !Physics.CapsuleCast(transform.position, transform.position + Vector3.up * playerHeight, playerRadius, moveDirX, moveDistance);
+
+            if (canMove)
+            {
+                moveDir = moveDirX;
+            } else
+            {
+                // Cannot move on X so attempt to move on Z
+                Vector3 moveDirZ = new Vector3(0, 0, moveDir.z).normalized;
+                canMove = !Physics.CapsuleCast(transform.position, transform.position + Vector3.up * playerHeight, playerRadius, moveDirZ, moveDistance);
+                if (canMove)
+                {
+                    moveDir = moveDirZ;
+                } else
+                {
+                    // Cannot move at all
+                }
+            }
+        }
+        if (canMove)
+        {
+            transform.position += moveDir * moveDistance;
+        }
 
         isWalking = moveDir != Vector3.zero;