Adjust player facing direction base on movement

Assets/Scenes/SampleScene.unity

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Assets/Scripts/GameInputs.cs

@@ -31,7 +31,7 @@ public partial class @GameInputs: IInputActionCollection2, IDisposable
                     ""name"": ""Movement"",
                     ""type"": ""Value"",
                     ""id"": ""39923aa3-9a9e-4368-8ceb-bebf8ec65530"",
-                    ""expectedControlType"": ""Vector2"",
+                    ""expectedControlType"": ""Axis"",
                     ""processors"": """",
                     ""interactions"": """",
                     ""initialStateCheck"": true
@@ -47,61 +47,6 @@ public partial class @GameInputs: IInputActionCollection2, IDisposable
                 }
             ],
             ""bindings"": [
-                {
-                    ""name"": ""WASD"",
-                    ""id"": ""0abdf8dd-305d-410a-9788-0a0b22384fd7"",
-                    ""path"": ""2DVector(mode=1)"",
-                    ""interactions"": """",
-                    ""processors"": """",
-                    ""groups"": """",
-                    ""action"": ""Movement"",
-                    ""isComposite"": true,
-                    ""isPartOfComposite"": false
-                },
-                {
-                    ""name"": ""up"",
-                    ""id"": ""4a50dfb9-46c0-4d52-ba54-1f4886fb77b8"",
-                    ""path"": ""<Keyboard>/w"",
-                    ""interactions"": """",
-                    ""processors"": """",
-                    ""groups"": """",
-                    ""action"": ""Movement"",
-                    ""isComposite"": false,
-                    ""isPartOfComposite"": true
-                },
-                {
-                    ""name"": ""down"",
-                    ""id"": ""a50e92c0-3106-47f9-9499-ff34ca987d4c"",
-                    ""path"": ""<Keyboard>/s"",
-                    ""interactions"": """",
-                    ""processors"": """",
-                    ""groups"": """",
-                    ""action"": ""Movement"",
-                    ""isComposite"": false,
-                    ""isPartOfComposite"": true
-                },
-                {
-                    ""name"": ""left"",
-                    ""id"": ""89e61e01-d935-4391-a515-c7f7aac8a744"",
-                    ""path"": ""<Keyboard>/a"",
-                    ""interactions"": """",
-                    ""processors"": """",
-                    ""groups"": """",
-                    ""action"": ""Movement"",
-                    ""isComposite"": false,
-                    ""isPartOfComposite"": true
-                },
-                {
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-                    ""processors"": """",
-                    ""groups"": """",
-                    ""action"": ""Movement"",
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-                },
                 {
                     ""name"": """",
                     ""id"": ""f79d7b08-89bf-4b67-bba8-5ccaaea5501d"",
@@ -112,6 +57,39 @@ public partial class @GameInputs: IInputActionCollection2, IDisposable
                     ""action"": ""Jump"",
                     ""isComposite"": false,
                     ""isPartOfComposite"": false
+                },
+                {
+                    ""name"": ""AD"",
+                    ""id"": ""3ee35364-2c5b-43ec-bcfe-5cceafd1bf45"",
+                    ""path"": ""1DAxis"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": """",
+                    ""action"": ""Movement"",
+                    ""isComposite"": true,
+                    ""isPartOfComposite"": false
+                },
+                {
+                    ""name"": ""negative"",
+                    ""id"": ""c9f367f7-68bb-47d3-aa78-d9d579a69db0"",
+                    ""path"": ""<Keyboard>/a"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": """",
+                    ""action"": ""Movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""positive"",
+                    ""id"": ""1b04a4aa-9990-4bcd-97b2-b98061031ba4"",
+                    ""path"": ""<Keyboard>/d"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": """",
+                    ""action"": ""Movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
                 }
             ]
         }

Assets/Scripts/GameInputs.inputactions

@@ -9,7 +9,7 @@
                     "name": "Movement",
                     "type": "Value",
                     "id": "39923aa3-9a9e-4368-8ceb-bebf8ec65530",
-                    "expectedControlType": "Vector2",
+                    "expectedControlType": "Axis",
                     "processors": "",
                     "interactions": "",
                     "initialStateCheck": true
@@ -25,61 +25,6 @@
                 }
             ],
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-                    "id": "0abdf8dd-305d-410a-9788-0a0b22384fd7",
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-                    "interactions": "",
-                    "processors": "",
-                    "groups": "",
-                    "action": "Movement",
-                    "isComposite": true,
-                    "isPartOfComposite": false
-                },
-                {
-                    "name": "up",
-                    "id": "4a50dfb9-46c0-4d52-ba54-1f4886fb77b8",
-                    "path": "<Keyboard>/w",
-                    "interactions": "",
-                    "processors": "",
-                    "groups": "",
-                    "action": "Movement",
-                    "isComposite": false,
-                    "isPartOfComposite": true
-                },
-                {
-                    "name": "down",
-                    "id": "a50e92c0-3106-47f9-9499-ff34ca987d4c",
-                    "path": "<Keyboard>/s",
-                    "interactions": "",
-                    "processors": "",
-                    "groups": "",
-                    "action": "Movement",
-                    "isComposite": false,
-                    "isPartOfComposite": true
-                },
-                {
-                    "name": "left",
-                    "id": "89e61e01-d935-4391-a515-c7f7aac8a744",
-                    "path": "<Keyboard>/a",
-                    "interactions": "",
-                    "processors": "",
-                    "groups": "",
-                    "action": "Movement",
-                    "isComposite": false,
-                    "isPartOfComposite": true
-                },
-                {
-                    "name": "right",
-                    "id": "3a6ca3be-d76f-4ab1-ae0f-0193d87f36c0",
-                    "path": "<Keyboard>/d",
-                    "interactions": "",
-                    "processors": "",
-                    "groups": "",
-                    "action": "Movement",
-                    "isComposite": false,
-                    "isPartOfComposite": true
-                },
                 {
                     "name": "",
                     "id": "f79d7b08-89bf-4b67-bba8-5ccaaea5501d",
@@ -90,6 +35,39 @@
                     "action": "Jump",
                     "isComposite": false,
                     "isPartOfComposite": false
+                },
+                {
+                    "name": "AD",
+                    "id": "3ee35364-2c5b-43ec-bcfe-5cceafd1bf45",
+                    "path": "1DAxis",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "",
+                    "action": "Movement",
+                    "isComposite": true,
+                    "isPartOfComposite": false
+                },
+                {
+                    "name": "negative",
+                    "id": "c9f367f7-68bb-47d3-aa78-d9d579a69db0",
+                    "path": "<Keyboard>/a",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "",
+                    "action": "Movement",
+                    "isComposite": false,
+                    "isPartOfComposite": true
+                },
+                {
+                    "name": "positive",
+                    "id": "1b04a4aa-9990-4bcd-97b2-b98061031ba4",
+                    "path": "<Keyboard>/d",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "",
+                    "action": "Movement",
+                    "isComposite": false,
+                    "isPartOfComposite": true
                 }
             ]
         }

Assets/Scripts/Players/PlayerInputHandler.cs

@@ -9,7 +9,7 @@ using UnityEngine.PlayerLoop;
 public class PlayerInputHandler : MonoBehaviour
 {
     public event EventHandler OnJumpTrigger;
-    public Vector2 MoveDir { get; private set; }
+    public float MoveAxis { get; private set; }
     
     private GameInputs _input;
     private bool _isReadyToClear;
@@ -48,7 +48,7 @@ public class PlayerInputHandler : MonoBehaviour
 
     private void ProcessInput()
     {
-        MoveDir = _input.Player.Movement.ReadValue<Vector2>();
+        MoveAxis = _input.Player.Movement.ReadValue<float>();
     }
 
     private void ClearInput()
@@ -56,7 +56,7 @@ public class PlayerInputHandler : MonoBehaviour
         if (!_isReadyToClear)
             return;
         
-        MoveDir = Vector2.zero;
+        MoveAxis = 0f;
 
         _isReadyToClear = false;
     }

Assets/Scripts/Players/PlayerMain.cs

@@ -9,6 +9,7 @@ public partial class PlayerMain : MonoBehaviour
 
     private PlayerInputHandler _input;
     private Rigidbody2D _rigidbody2D;
+    private BoxCollider2D _collider2D;
     
     
     private void Awake()
@@ -24,10 +25,25 @@ public partial class PlayerMain : MonoBehaviour
 
         _input = GetComponent<PlayerInputHandler>();
         _rigidbody2D = GetComponent<Rigidbody2D>();
+        _collider2D = GetComponent<BoxCollider2D>();
+    }
+
+    private void Start()
+    {
+        _input.OnJumpTrigger += Input_OnJumpTrigger;
+        
+        _footOffset = _collider2D.size.x / 2f;
+        _facingDir = visualTransform.localScale.x >= 0f ? 1f : -1f;
+    }
+
+    private void Update()
+    {
+        PhysicsCheck();
     }
 
     private void FixedUpdate()
     {
         MovementHandler();
+        FacingDir();
     }
 }

Assets/Scripts/Players/PlayerMain_Animation.cs

@@ -0,0 +1,24 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public partial class PlayerMain
+{
+    [Header("Animation")]
+    [SerializeField] private Transform visualTransform;
+
+    private const float THRESHOLD = 0.01f;
+    
+    private float _facingDir;
+    
+    private void FacingDir()
+    {
+        if (_facingDir * _input.MoveAxis > -THRESHOLD)
+            return;
+
+        Vector3 scale = visualTransform.localScale;
+        _facingDir *= -1f;
+        scale.x *= -1f;
+        visualTransform.localScale = scale;
+    }
+}

Assets/Scripts/Players/PlayerMain_Animation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ef933310dc90f6145a0fecb819938dda
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Players/PlayerMain_Movement.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
@@ -5,14 +6,63 @@ using UnityEngine;
 public partial class PlayerMain
 {
     [Header("Movement")]
-    [SerializeField] private float speed = 4f;
+    [SerializeField] private float speed = 8f;
+    [SerializeField] private float jumpVelocity = 100f;
     
+    [Header("Ground")]
+    [SerializeField] private LayerMask groundLayer;
+    [SerializeField] private float groundDistance = 0.2f;
+    [SerializeField] private bool drawDebugRaycasts;
+
+    private bool _isGrounded;
+    private float _footOffset;
+
+
+    private void Input_OnJumpTrigger(object sender, EventArgs e)
+    {
+        HandleJump();
+    }
 
     private void MovementHandler()
     {
-        Vector2 move = _input.MoveDir;
+        Vector2 move = new Vector2(_input.MoveAxis * speed, _rigidbody2D.velocity.y);
-        move.y = 0f;
 
-        _rigidbody2D.velocity = move * speed;
+        _rigidbody2D.velocity = move;
+    }
+
+    private void HandleJump()
+    {
+        if (_isGrounded)
+            _rigidbody2D.velocity = Vector2.up * jumpVelocity;
+    }
+    
+    void PhysicsCheck()
+	{
+		_isGrounded = false;
+
+		RaycastHit2D leftCheck = Raycast(new Vector2(-_footOffset, 0f), Vector2.down, groundDistance);
+		RaycastHit2D rightCheck = Raycast(new Vector2(_footOffset, 0f), Vector2.down, groundDistance);
+
+		if (leftCheck || rightCheck)
+			_isGrounded = true;
+	}
+    
+    RaycastHit2D Raycast(Vector2 offset, Vector2 rayDirection, float length)
+    {
+        return Raycast(offset, rayDirection, length, groundLayer);
+    }
+
+    RaycastHit2D Raycast(Vector2 offset, Vector2 rayDirection, float length, LayerMask mask)
+    {
+        Vector2 pos = transform.position;
+        RaycastHit2D hit = Physics2D.Raycast(pos + offset, rayDirection, length, mask);
+
+        if (drawDebugRaycasts)
+        {
+            Color color = hit ? Color.red : Color.green;
+            Debug.DrawRay(pos + offset, rayDirection * length, color);
+        }
+
+        return hit;
     }
 }

ProjectSettings/TagManager.asset

@@ -11,7 +11,7 @@ TagManager:
   - 
   - Water
   - UI
-  - 
+  - Ground
   - 
   - 
   -