47 lines
1.2 KiB
C#
47 lines
1.2 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.Splines;
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namespace Unity.Splines.Examples
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{
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[RequireComponent(typeof(LineRenderer), typeof(SplineContainer))]
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public class SplineRenderer : MonoBehaviour
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{
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Spline m_Spline;
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LineRenderer m_Line;
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bool m_Dirty;
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Vector3[] m_Points;
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[SerializeField, Range(16, 512)]
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int m_Segments = 128;
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void Awake()
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{
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m_Spline = GetComponent<SplineContainer>().Spline;
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m_Line = GetComponent<LineRenderer>();
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m_Spline.changed += () => m_Dirty = true;
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}
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void Update()
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{
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// It's nice to be able to see resolution changes at runtime
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if (m_Points?.Length != m_Segments)
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{
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m_Dirty = true;
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m_Points = new Vector3[m_Segments];
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m_Line.loop = m_Spline.Closed;
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m_Line.positionCount = m_Segments;
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}
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if (!m_Dirty)
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return;
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m_Dirty = false;
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for (int i = 0; i < m_Segments; i++)
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m_Points[i] = m_Spline.EvaluatePosition(i / (m_Segments - 1f));
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m_Line.SetPositions(m_Points);
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}
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}
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}
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