rabidus-test/Assets/SCSM/SciFiShipController/Demos/Scripts/PreventWallStick.cs

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2023-07-24 16:38:13 +03:00
using UnityEngine;
// Sci-Fi Ship Controller. Copyright (c) 2018-2023 SCSM Pty Ltd. All rights reserved.
namespace SciFiShipController
{
/// <summary>
/// This will nudge a the ship away from a collider (like a wall) if it is
/// constant contact with it for a specified duration. Attach this component
/// to a ShipControlModule.
/// </summary>
[RequireComponent(typeof(Rigidbody))]
public class PreventWallStick : MonoBehaviour
{
#region Public variables
public float maxStickTime = 0.25f;
public float wallPushVelocity = 5f;
#endregion
#region Private variables
private float wallStickTimer = 0f;
private int totalTouchingColliders = 0;
private Rigidbody rBody;
#endregion
#region Initialisation Methods
void Awake()
{
rBody = GetComponent<Rigidbody>();
}
#endregion
#region Event Methods
private void OnCollisionStay(Collision collision)
{
// If we are touching other colliders for too long, push us away from them
wallStickTimer += Time.deltaTime;
if (wallStickTimer > maxStickTime && rBody != null)
{
#if UNITY_2018_3_OR_NEWER
rBody.AddForce(collision.GetContact(0).normal * wallPushVelocity, ForceMode.VelocityChange);
#else
ContactPoint[] contacts = collision.contacts;
int numContactPoints = contacts == null ? 0 : contacts.Length;
if (numContactPoints > 0)
{
rBody.AddForce(contacts[0].normal * wallPushVelocity, ForceMode.VelocityChange);
}
#endif
}
}
private void OnCollisionEnter(Collision collision)
{
// Every time a collider enters, increment the number of colliders we are touching
totalTouchingColliders++;
}
private void OnCollisionExit(Collision collision)
{
// Every time a collider exits, decrement the number of colliders we are touching
totalTouchingColliders--;
if (totalTouchingColliders < 1)
{
if (totalTouchingColliders < 0)
{
totalTouchingColliders = 0;
#if UNITY_EDITOR
Debug.Log("[DEBUG] Colliders < 0");
#endif
}
wallStickTimer = 0f;
}
}
#endregion
}
}