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TrailRenderer.widthCurve

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public var widthCurve: AnimationCurve;
public AnimationCurve widthCurve;

Description

Set the curve describing the width of the trail at various points along its length.

This property is multiplied by TrailRenderer.widthMultiplier to get the final width of the trail.

#pragma strict
public var width: float = 1.0f;
public var useCurve: boolean = true;
private var tr: TrailRenderer;
function Start() {
	tr = GetComponent.<TrailRenderer>();
	tr.material = new Material(Shader.Find("Sprites/Default"));
}
function Update() {
	var curve: AnimationCurve = 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);
	}
	tr.widthCurve = curve;
	tr.widthMultiplier = width;
	tr.transform.position = new Vector3(Mathf.Sin(Time.time * 1.51f) * 7.0f, Mathf.Cos(Time.time * 1.27f) * 4.0f, 0.0f);
}
function 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");
}
using UnityEngine;
using System.Collections;

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

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

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); }

tr.widthCurve = curve; tr.widthMultiplier = width; tr.transform.position = new Vector3(Mathf.Sin(Time.time * 1.51f) * 7.0f, Mathf.Cos(Time.time * 1.27f) * 4.0f, 0.0f); }

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"); } }