Added basic movement

Assets/Scripts/Player/PlayerMovement.cs

@@ -0,0 +1,117 @@
+using UnityEngine;
+
+public class PlayerMovement : MonoBehaviour
+{
+    [Header("General Settings")]
+    [SerializeField] float m_MoveSpeed;
+    [SerializeField] float m_GroundDrag;
+
+    [Header("Ground Check")]
+    [SerializeField] float m_PlayerHeight;
+    [SerializeField] LayerMask m_GroundMask;
+
+    [Header("Jump Settings")]
+    [SerializeField] float m_JumpForce;
+
+    [Header("KeyBinds")]
+    [SerializeField] KeyCode m_JumpKey;
+
+    [Header("References")]
+    [SerializeField] Rigidbody m_Body;
+    [SerializeField] Transform m_Orientation;
+
+    //
+    Vector2 m_Input;
+
+    //
+    Vector3 m_MoveDir;
+
+    // Is the player on the ground
+    bool m_Grounded;
+
+    bool m_JumpKeyPressed;
+
+    // Start is called before the first frame update
+    private void Start()
+    {
+        // Stops the rigidbody from rotatating when we don't want it to
+        m_Body.freezeRotation = true;
+    }
+
+    // Updates the state of the user input
+    private void UpdateInput()
+    {
+        // Calls get axis raw to ignore any uneeded scaling
+        m_Input.x = Input.GetAxisRaw("Horizontal");
+        m_Input.y = Input.GetAxisRaw("Vertical");
+
+        // Checks wether the jump button has been pressed
+        m_JumpKeyPressed = Input.GetKey(m_JumpKey);
+    }
+
+    // Applies drag to the player
+    private void ApplyDrag()
+    {
+        // Only applies ground drag if the player is on the floor
+        if (m_Grounded)
+        {
+            m_Body.drag = m_GroundDrag;
+        }
+
+        // Else there is no drag on the player
+        else
+        {
+            m_Body.drag = 0;
+        }
+    }
+
+    // Update is called once per frame
+    private void Update()
+    {
+        // Updates wether the player is touching the ground or not
+        m_Grounded = Physics.Raycast(transform.position, Vector3.down, m_PlayerHeight * 0.5f + 0.2f, m_GroundMask);
+
+        // Updates the state of the user input
+        UpdateInput();
+
+        // Applies drag to the player
+        ApplyDrag();
+    }
+
+    // Updates basic movement and player jumping
+    private void UpdatePlayerPosition()
+    {
+        // Calculates the movement direction
+        m_MoveDir = (m_Orientation.forward * m_Input.y) + (m_Orientation.right * m_Input.x);
+
+        // Adds the force to the rigid body
+        m_Body.AddForce(m_MoveDir.normalized * m_MoveSpeed * 10.0f, ForceMode.Force);
+
+        // Jumps if the jump key has been pressed
+        if (m_JumpKeyPressed)
+        {
+            // The jump function stops jumping if not grounded so no check is needed here
+            Jump();
+        }
+    }
+
+    // Function to make the player jump
+    // The function checks wether the player is grounded so external checks are not needed
+    private void Jump(bool force = false)
+    {
+        // Checks wether the player is grounded
+        // Can be overriden by passing true to force a jump
+        if (m_Grounded || force)
+        {
+            // Applies an upwards force simulating a jump
+            m_Body.AddForce(transform.up * m_JumpForce, ForceMode.Impulse);
+        }
+    }
+
+    // Fixed Update is called once per physics update
+    private void FixedUpdate()
+    {
+        // Updates the position of the player
+        UpdatePlayerPosition();
+    }
+}