Version: 2021.3
public AnimationCurve widthCurve ;

描述

设置曲线,用于描述线在其长度上各个点处的宽度。

此属性乘以 LineRenderer.widthMultiplier 可获取线的最终宽度。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public float width = 1.0f; public bool useCurve = true; private LineRenderer lr;

void Start() { lr = GetComponent<LineRenderer>(); lr.material = new Material(Shader.Find("Sprites/Default"));

// Set some positions Vector3[] positions = new Vector3[3]; positions[0] = new Vector3(-2.0f, -2.0f, 0.0f); positions[1] = new Vector3(0.0f, 2.0f, 0.0f); positions[2] = new Vector3(2.0f, -2.0f, 0.0f); lr.positionCount = positions.Length; lr.SetPositions(positions); }

void Update() { AnimationCurve curve = new AnimationCurve(); if (useCurve) { curve.AddKey(0.0f, 0.0f); curve.AddKey(1.0f, 1.0f); } else { curve.AddKey(0.0f, 1.0f); curve.AddKey(1.0f, 1.0f); }

lr.widthCurve = curve; lr.widthMultiplier = width; }

void OnGUI() { GUI.Label(new Rect(25, 20, 200, 30), "Width"); width = GUI.HorizontalSlider(new Rect(125, 25, 200, 30), width, 0.1f, 1.0f); useCurve = GUI.Toggle(new Rect(25, 65, 200, 30), useCurve, "Use Curve"); } }