Version: 2017.1
public float cameraVelocityScale ;

Descripción

How much are the particles stretched depending on the Camera's speed.

Utilice esto para hacer que las partículas se vuelvan más grandes si la cámara para ver tiene una velocidad grande.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {

private ParticleSystem ps; private ParticleSystemRenderer psr; public ParticleSystemRenderMode renderMode = ParticleSystemRenderMode.Billboard; public float cameraScale = 0.0f; public float lengthScale = 0.0f; public float velocityScale = 1.0f;

void Start() {

ps = GetComponent<ParticleSystem>(); psr = GetComponent<ParticleSystemRenderer>();

psr.mesh = Resources.GetBuiltinResource<Mesh>("Capsule.fbx");

var main = ps.main; main.startSpeed = new ParticleSystem.MinMaxCurve(0.5f, 1.5f); main.startSize = new ParticleSystem.MinMaxCurve(0.1f, 0.8f); }

void Update() { psr.renderMode = renderMode; psr.cameraVelocityScale = cameraScale; psr.lengthScale = lengthScale; psr.velocityScale = velocityScale;

if (renderMode == ParticleSystemRenderMode.Stretch) Camera.main.transform.position = new Vector3(Mathf.Sin(Time.time) * 4.0f, 0.0f, -10.0f); // move the camera so we can see the effect on stretch camera velocity }

void OnGUI() { renderMode = (ParticleSystemRenderMode)GUI.SelectionGrid(new Rect(25, 25, 900, 30), (int)renderMode, new GUIContent[] { new GUIContent("Billboard"), new GUIContent("Stretch"), new GUIContent("HorizontalBillboard"), new GUIContent("VerticalBillboard"), new GUIContent("Mesh"), new GUIContent("None") }, 6);

if (renderMode == ParticleSystemRenderMode.Stretch) {

GUI.Label(new Rect(25, 80, 100, 30), "Camera Scale"); GUI.Label(new Rect(25, 120, 100, 30), "Length Scale"); GUI.Label(new Rect(25, 160, 100, 30), "Velocity Scale");

cameraScale = GUI.HorizontalSlider(new Rect(125, 85, 100, 30), cameraScale, 0.0f, 10.0f); lengthScale = GUI.HorizontalSlider(new Rect(125, 125, 100, 30), lengthScale, 0.0f, 10.0f); velocityScale = GUI.HorizontalSlider(new Rect(125, 165, 100, 30), velocityScale, 0.0f, 10.0f); } } }
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