30 lines
743 B
C#
30 lines
743 B
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class Magnet : MonoBehaviour
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{
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Rigidbody _rb;
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Rigidbody rb { get { if (!_rb) _rb = GetComponent<Rigidbody>(); return _rb; } }
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public float strength = 100;
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private void OnTriggerStay(Collider other)
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{
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var otherRb = other.attachedRigidbody;
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if (otherRb)
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{
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Vector3 dir = otherRb.position - transform.position;
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float dirSq = Vector3.SqrMagnitude(dir);
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float forceMagnitude = strength * (1.0f / dirSq);
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Vector3 force = dir.normalized * forceMagnitude;
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otherRb.AddForce(-force);
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if (rb)
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rb.AddForce(force);
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}
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}
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}
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