Adding character movement basics

Assets/Scenes/Level1.unity

@@ -130,6 +130,7 @@ GameObject:
   - component: {fileID: 100100001}
   - component: {fileID: 100100002}
   - component: {fileID: 100100003}
+  - component: {fileID: 100100004}
   m_Layer: 0
   m_Name: Ground
   m_TagString: Untagged
@@ -223,6 +224,29 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 13a3649e0bdf48b4afa233a4a4b64820, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+--- !u!61 &100100004
+BoxCollider2D:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 100100000}
+  m_Enabled: 1
+  m_Density: 1
+  m_Material: {fileID: 0}
+  m_IncludeLayers:
+    serializedVersion: 2
+    m_Bits: 0
+  m_ExcludeLayers:
+    serializedVersion: 2
+    m_Bits: 0
+  m_IsTrigger: 0
+  m_UsedByEffector: 0
+  m_UsedByComposite: 0
+  m_CompositeOperation: 0
+  m_Offset: {x: 0, y: 0}
+  m_Size: {x: 1, y: 1}
+  m_EdgeRadius: 0
 --- !u!1 &100200000
 GameObject:
   m_ObjectHideFlags: 0
@@ -234,6 +258,9 @@ GameObject:
   - component: {fileID: 100200001}
   - component: {fileID: 100200002}
   - component: {fileID: 100200003}
+  - component: {fileID: 100200004}
+  - component: {fileID: 100200005}
+  - component: {fileID: 100200006}
   m_Layer: 0
   m_Name: Player
   m_TagString: Untagged
@@ -327,6 +354,76 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 13a3649e0bdf48b4afa233a4a4b64820, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+--- !u!50 &100200004
+Rigidbody2D:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 100200000}
+  serializedVersion: 4
+  m_BodyType: 0
+  m_Simulated: 1
+  m_UseFullKinematicContacts: 0
+  m_UseAutoMass: 0
+  m_Mass: 1
+  m_LinearDrag: 0
+  m_AngularDrag: 0.05
+  m_GravityScale: 1
+  m_Material: {fileID: 0}
+  m_IncludeLayers:
+    serializedVersion: 2
+    m_Bits: 0
+  m_ExcludeLayers:
+    serializedVersion: 2
+    m_Bits: 0
+  m_Interpolation: 0
+  m_SleepingMode: 1
+  m_CollisionDetection: 0
+  m_Constraints: 4
+--- !u!61 &100200005
+BoxCollider2D:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 100200000}
+  m_Enabled: 1
+  m_Density: 1
+  m_Material: {fileID: 0}
+  m_IncludeLayers:
+    serializedVersion: 2
+    m_Bits: 0
+  m_ExcludeLayers:
+    serializedVersion: 2
+    m_Bits: 0
+  m_IsTrigger: 0
+  m_UsedByEffector: 0
+  m_UsedByComposite: 0
+  m_CompositeOperation: 0
+  m_Offset: {x: 0, y: 0}
+  m_Size: {x: 1, y: 1}
+  m_EdgeRadius: 0
+--- !u!114 &100200006
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 100200000}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 528643a4ae944836a40ce783da8c1b78, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  inputActions: {fileID: 11400000, guid: 2bcd2660ca9b64942af0de543d8d7100, type: 2}
+  actionMapName: Player
+  moveActionName: Move
+  jumpActionName: Jump
+  moveSpeed: 6
+  jumpImpulse: 8
+  groundMask: -1
+  groundCheckDistance: 0.05
 --- !u!1 &855644964
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/PlayerPlatformerController.cs

@@ -0,0 +1,102 @@
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+[RequireComponent(typeof(Rigidbody2D))]
+[RequireComponent(typeof(BoxCollider2D))]
+public class PlayerPlatformerController : MonoBehaviour
+{
+    [SerializeField] private InputActionAsset inputActions;
+    [SerializeField] private string actionMapName = "Player";
+    [SerializeField] private string moveActionName = "Move";
+    [SerializeField] private string jumpActionName = "Jump";
+    [SerializeField] private float moveSpeed = 6f;
+    [SerializeField] private float jumpImpulse = 8f;
+    [SerializeField] private LayerMask groundMask = ~0;
+    [SerializeField] private float groundCheckDistance = 0.05f;
+
+    private Rigidbody2D body;
+    private BoxCollider2D bodyCollider;
+    private InputAction moveAction;
+    private InputAction jumpAction;
+
+    private void Awake()
+    {
+        body = GetComponent<Rigidbody2D>();
+        bodyCollider = GetComponent<BoxCollider2D>();
+    }
+
+    private void OnEnable()
+    {
+        if (inputActions == null)
+        {
+            Debug.LogError("PlayerPlatformerController missing InputActionAsset reference.", this);
+            return;
+        }
+
+        var map = inputActions.FindActionMap(actionMapName, true);
+        moveAction = map.FindAction(moveActionName, true);
+        jumpAction = map.FindAction(jumpActionName, true);
+
+        moveAction.Enable();
+        jumpAction.Enable();
+        jumpAction.performed += OnJumpPerformed;
+    }
+
+    private void OnDisable()
+    {
+        if (jumpAction != null)
+        {
+            jumpAction.performed -= OnJumpPerformed;
+            jumpAction.Disable();
+        }
+
+        if (moveAction != null)
+        {
+            moveAction.Disable();
+        }
+    }
+
+    private void FixedUpdate()
+    {
+        if (moveAction == null)
+        {
+            return;
+        }
+
+        var input = moveAction.ReadValue<Vector2>();
+        var velocity = body.linearVelocity;
+        velocity.x = input.x * moveSpeed;
+        body.linearVelocity = velocity;
+    }
+
+    private void OnJumpPerformed(InputAction.CallbackContext context)
+    {
+        if (!IsGrounded())
+        {
+            return;
+        }
+
+        var velocity = body.linearVelocity;
+        velocity.y = 0f;
+        body.linearVelocity = velocity;
+        body.AddForce(Vector2.up * jumpImpulse, ForceMode2D.Impulse);
+    }
+
+    private bool IsGrounded()
+    {
+        var bounds = bodyCollider.bounds;
+        var checkSize = new Vector2(bounds.size.x * 0.9f, groundCheckDistance * 2f);
+        var checkCenter = new Vector2(bounds.center.x, bounds.min.y - groundCheckDistance);
+        var hits = Physics2D.OverlapBoxAll(checkCenter, checkSize, 0f, groundMask);
+        for (var i = 0; i < hits.Length; i++)
+        {
+            var hit = hits[i];
+            if (hit != null && hit != bodyCollider)
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}

Assets/Scripts/PlayerPlatformerController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 528643a4ae944836a40ce783da8c1b78
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

ProjectSettings/ProjectSettings.asset

@@ -682,11 +682,11 @@ PlayerSettings:
   captureStartupLogs: {}
   activeInputHandler: 1
   windowsGamepadBackendHint: 0
-  cloudProjectId: 
+  cloudProjectId: b260f126-ec58-47f4-b454-ba7db288a3bf
   framebufferDepthMemorylessMode: 0
   qualitySettingsNames: []
-  projectName: 
+  projectName: GGJ2026
-  organizationId: 
+  organizationId: fa85ebd-8959-4e73-a927-ec9a8c20a21e
   cloudEnabled: 0
   legacyClampBlendShapeWeights: 0
   hmiLoadingImage: {fileID: 0}