LineRenderer.widthCurve

Description

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

This property is multiplied by LineRenderer.widthMultiplier to get the final width of the line.

#pragma strict
public var width: float = 1.0f;
public var useCurve: boolean = true;
private var lr: LineRenderer;
function Start() {
	lr = GetComponent.<LineRenderer>();
	lr.material = new Material(Shader.Find("Sprites/Default"));
	// Set some positions
	var positions: Vector3[] = 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);
}
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);
	}
	lr.widthCurve = curve;
	lr.widthMultiplier = width;
}
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 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");
    }
}