pastemyst | physis and stuff

physis and stuff

(untitled)

C#copy raw

using UnityEngine;
using UnityEngine.Events;

public class CharacterController2D : MonoBehaviour
{
	[SerializeField] private float m_JumpForce = 400f;							// Amount of force added when the player jumps.
	[Range(0, 1)] [SerializeField] private float m_CrouchSpeed = .36f;			// Amount of maxSpeed applied to crouching movement. 1 = 100%
	[Range(0, .3f)] [SerializeField] private float m_MovementSmoothing = .05f;	// How much to smooth out the movement
	[SerializeField] private bool m_AirControl = false;							// Whether or not a player can steer while jumping;
	[SerializeField] private LayerMask m_WhatIsGround;							// A mask determining what is ground to the character
	[SerializeField] private Transform m_GroundCheck;							// A position marking where to check if the player is grounded.
	[SerializeField] private Transform m_CeilingCheck;							// A position marking where to check for ceilings
	[SerializeField] private Collider2D m_CrouchDisableCollider;				// A collider that will be disabled when crouching

const float k_GroundedRadius = .2f; // Radius of the overlap circle to determine if grounded
	public bool m_Grounded;            // Whether or not the player is grounded.
	const float k_CeilingRadius = .2f; // Radius of the overlap circle to determine if the player can stand up
	public Rigidbody2D m_Rigidbody2D;  // For determining which way the player is currently facing.
	private Vector3 m_Velocity = Vector3.zero;

[Header("Events")]
	[Space]

public UnityEvent OnLandEvent;

[System.Serializable]
	public class BoolEvent : UnityEvent<bool> { }

public BoolEvent OnCrouchEvent;
	private bool m_wasCrouching = false;

private void Awake()
	{
		m_Rigidbody2D = GetComponent<Rigidbody2D>();

if (OnLandEvent == null)
			OnLandEvent = new UnityEvent();

if (OnCrouchEvent == null)
			OnCrouchEvent = new BoolEvent();
	}

public void FixedUpdate()
	{
		bool wasGrounded = m_Grounded;
		m_Grounded = false;

// The player is grounded if a circlecast to the groundcheck position hits anything designated as ground
		// This can be done using layers instead but Sample Assets will not overwrite your project settings.
		Collider2D[] colliders = Physics2D.OverlapCircleAll(m_GroundCheck.position, k_GroundedRadius, m_WhatIsGround);
		for (int i = 0; i < colliders.Length; i++)
		{
			if (colliders[i].gameObject != gameObject)
			{
				m_Grounded = true;
				if (!wasGrounded)
					OnLandEvent.Invoke();
			}
		}
	}

public void Move(float move, bool crouch, bool jump)
	{
		// If crouching, check to see if the character can stand up
		if (!crouch)
		{
			// If the character has a ceiling preventing them from standing up, keep them crouching
			if (Physics2D.OverlapCircle(m_CeilingCheck.position, k_CeilingRadius, m_WhatIsGround))
			{
				crouch = true;
			}
		}

//only control the player if grounded or airControl is turned on
		if (m_Grounded || m_AirControl)
		{

// If crouching
			if (crouch)
			{
				if (!m_wasCrouching)
				{
					m_wasCrouching = true;
					OnCrouchEvent.Invoke(true);
				}

// Reduce the speed by the crouchSpeed multiplier
				move *= m_CrouchSpeed;

// Disable one of the colliders when crouching
				if (m_CrouchDisableCollider != null)
					m_CrouchDisableCollider.enabled = false;
			} else
			{
				// Enable the collider when not crouching
				if (m_CrouchDisableCollider != null)
					m_CrouchDisableCollider.enabled = true;

if (m_wasCrouching)
				{
					m_wasCrouching = false;
					OnCrouchEvent.Invoke(false);
				}
			}

// Move the character by finding the target velocity
			Vector3 targetVelocity = new Vector2(move * 10f, m_Rigidbody2D.velocity.y);
			// And then smoothing it out and applying it to the character
			m_Rigidbody2D.velocity = Vector3.SmoothDamp(m_Rigidbody2D.velocity, targetVelocity, ref m_Velocity, m_MovementSmoothing);
		}
		// If the player should jump...
		if (m_Grounded && jump)
		{
			// Add a vertical force to the player.
			m_Grounded = true;
			m_Rigidbody2D.AddForce(new Vector2(0f, m_JumpForce));
		}
	}
}

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