File size: 946 Bytes
d883ffe | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | // Copyright (c) Meta Platforms, Inc. and affiliates.
using Meta.Utilities;
using Meta.XR.Samples;
using UnityEngine;
namespace NorthStar
{
[MetaCodeSample("NorthStar")]
public class HandDistanceLine : MonoBehaviour
{
private static readonly int s_alpha = Shader.PropertyToID("_Alpha");
[SerializeField] private Transform m_anchor;
[SerializeField] private AnimationCurve m_curve;
[SerializeField, AutoSet] private LineRenderer m_lineRenderer;
private Material m_material;
private void Awake()
{
m_material = m_lineRenderer.material;
}
private void Update()
{
var distance = Vector3.Distance(m_anchor.position, transform.position);
m_material.SetFloat(s_alpha, m_curve.Evaluate(distance));
m_lineRenderer.SetPosition(1, transform.InverseTransformPoint(m_anchor.transform.position));
}
}
}
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