137 lines
5.0 KiB
C#
137 lines
5.0 KiB
C#
// ╔════════════════════════════════════════════════════════════════╗
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// ║ Copyright © 2025 NWH Coding d.o.o. All rights reserved. ║
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// ║ Licensed under Unity Asset Store Terms of Service: ║
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// ║ https://unity.com/legal/as-terms ║
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// ║ Use permitted only in compliance with the License. ║
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// ║ Distributed "AS IS", without warranty of any kind. ║
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// ╚════════════════════════════════════════════════════════════════╝
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#region
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using NWH.Common.Input;
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using UnityEngine;
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using UnityEngine.EventSystems;
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#endregion
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namespace NWH.Common.Demo
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{
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/// <summary>
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/// Simple first-person controller using physics-based movement.
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/// Useful for testing and navigating demo scenes on foot.
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/// </summary>
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/// <remarks>
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/// Based on Unity Community Wiki example. Uses Rigidbody for physics-accurate movement
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/// with mouse-look camera control.
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/// </remarks>
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[RequireComponent(typeof(Rigidbody))]
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[RequireComponent(typeof(CapsuleCollider))]
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public class RigidbodyFPSController : MonoBehaviour
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{
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/// <summary>
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/// Downward acceleration force in m/s^2.
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/// </summary>
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public float gravity = 10.0f;
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/// <summary>
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/// Maximum height of jumps in meters.
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/// </summary>
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public float jumpHeight = 2.0f;
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/// <summary>
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/// Maximum upward look angle in degrees.
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/// </summary>
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public float maximumY = 60f;
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/// <summary>
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/// Maximum velocity change per fixed update, controls acceleration responsiveness.
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/// </summary>
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public float maxVelocityChange = 10.0f;
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/// <summary>
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/// Maximum downward look angle in degrees.
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/// </summary>
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public float minimumY = -60f;
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/// <summary>
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/// Horizontal mouse look sensitivity.
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/// </summary>
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public float sensitivityX = 15f;
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/// <summary>
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/// Vertical mouse look sensitivity.
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/// </summary>
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public float sensitivityY = 15f;
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/// <summary>
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/// Movement speed in meters per second.
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/// </summary>
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public float speed = 10.0f;
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private Vector2 _cameraRotationInput;
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private bool _grounded;
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private Vector2 _movement;
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private Rigidbody _rb;
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private float _rotationY;
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private bool PointerOverUI
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{
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get { return EventSystem.current.IsPointerOverGameObject(); }
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}
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private void Awake()
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{
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_rb = GetComponent<Rigidbody>();
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_rb.freezeRotation = true;
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_rb.useGravity = false;
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}
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private void LateUpdate()
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{
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_movement = InputProvider.CombinedInput<SceneInputProviderBase>(i => i.CharacterMovement());
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_cameraRotationInput = InputProvider.CombinedInput<SceneInputProviderBase>(i => i.CameraRotation());
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if (_grounded)
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{
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// Calculate how fast we should be moving
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Vector3 targetVelocity = new(_movement.x, 0, _movement.y);
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targetVelocity = transform.TransformDirection(targetVelocity);
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targetVelocity *= speed;
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// Apply a force that attempts to reach our target velocity
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Vector3 velocity = _rb.linearVelocity;
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Vector3 velocityChange = targetVelocity - velocity;
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velocityChange.x = Mathf.Clamp(velocityChange.x, -maxVelocityChange, maxVelocityChange);
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velocityChange.z = Mathf.Clamp(velocityChange.z, -maxVelocityChange, maxVelocityChange);
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velocityChange.y = 0;
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_rb.AddForce(velocityChange, ForceMode.VelocityChange);
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}
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float timeFactor = Time.deltaTime * 20f;
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float rotationX = transform.localEulerAngles.y + _cameraRotationInput.x * sensitivityX * timeFactor;
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_rotationY += _cameraRotationInput.y * sensitivityY * timeFactor;
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_rotationY = Mathf.Clamp(_rotationY, minimumY, maximumY);
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transform.localEulerAngles = new Vector3(-_rotationY, rotationX, 0);
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_rb.AddForce(new Vector3(0, -gravity * _rb.mass, 0));
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_grounded = false;
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}
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private float CalculateJumpVerticalSpeed()
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{
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// From the jump height and gravity we deduce the upwards speed
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// for the character to reach at the apex.
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return Mathf.Sqrt(2 * jumpHeight * gravity);
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}
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private void OnCollisionStay()
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{
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_grounded = true;
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}
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}
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} |