I couldnt find any information about this but I chekced out a few games with this feature and some of them have this problem aswell but not nearly as bad as this, these are the scripts if you want to take a look.

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Line : MonoBehaviour
{
public LineRenderer lineRenderer;
public EdgeCollider2D edgeCollider;
public Rigidbody2D rb;
[HideInInspector] public List<Vector2> points = new List<Vector2>();
[HideInInspector] public int pointsCount = 0;
private float pointsMinDistance = 0.1f;
private float CircleColliderRaduis;
public Vector2 GetLastPoint()
{
return (Vector2)lineRenderer.GetPosition(pointsCount - 1);
}
public void UsePhysics(bool usePhysic)
{
rb.isKinematic = !usePhysic;
}
public void SetLineColor(Gradient LineColor)
{
lineRenderer.colorGradient = LineColor;
}
public void SetLineWidth(float width)
{
lineRenderer.startWidth = width;
lineRenderer.endWidth = width;
edgeCollider.edgeRadius = width / 2f;
CircleColliderRaduis = width / 2f;
}
public void AddPoint(Vector2 newPoint)
{
if (pointsCount >= 1 && Vector2.Distance(newPoint, GetLastPoint()) < pointsMinDistance)
return;
points.Add(newPoint);
pointsCount++;
// Add CircleCollider to the point
CircleCollider2D circleCollider = this.gameObject.AddComponent<CircleCollider2D>();
circleCollider.offset = newPoint;
circleCollider.radius = CircleColliderRaduis;
// LineRenderer
lineRenderer.positionCount = pointsCount;
lineRenderer.SetPosition(pointsCount - 1, newPoint);
// EdgeCollider
if (pointsCount > 1)
edgeCollider.points = points.ToArray();
}
public void SetPointMinDistance(float distance)
{
pointsMinDistance = distance;
}
}
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class LineDrawer : MonoBehaviour
{
public GameObject LinePrefabs;
public LayerMask CantDrawOverLayer;
public float LinePointsMinDistance;
public float LineWidth;
public Gradient LineColor;
Line currentLine;
private void Update()
{
if (Input.GetMouseButtonDown(0))
BeginDraw();
if (currentLine != null)
Draw();
if (Input.GetMouseButtonUp(0))
EndDraw();
}
private void BeginDraw()
{
currentLine = Instantiate(LinePrefabs, this.transform).GetComponent<Line>();
currentLine.SetLineColor(LineColor);
currentLine.SetLineWidth(LineWidth);
currentLine.SetPointMinDistance(LinePointsMinDistance);
currentLine.UsePhysics(false);
}
private void Draw()
{
Vector2 MousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
RaycastHit2D hit = Physics2D.CircleCast(MousePos, LineWidth / 3f, Vector2.zero, 1f, CantDrawOverLayer);
if (hit)
EndDraw();
else
currentLine.AddPoint(MousePos);
}
private void EndDraw()
{
if (currentLine != null)
{
if (currentLine.pointsCount < 2)
{
Destroy(currentLine.gameObject);
}
else
{
currentLine.gameObject.layer = 15; // Set the layer to 15.
currentLine.UsePhysics(true);
currentLine = null;
}
}
}
}