Description

Curve to control particle speed based on lifetime, on the x-axis.

See Also: MinMaxCurve.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValueX = 1.0f; public float hSliderValueY = 1.0f; public float hSliderValueZ = 1.0f;

void Start() { ps = GetComponent<ParticleSystem>();

var velocityOverLifetime = ps.velocityOverLifetime; velocityOverLifetime.enabled = true; velocityOverLifetime.space = ParticleSystemSimulationSpace.World;

AnimationCurve curve = new AnimationCurve(); curve.AddKey(0.0f, 0.0f); curve.AddKey(1.0f, 1.0f);

ParticleSystem.MinMaxCurve minMaxCurve = new ParticleSystem.MinMaxCurve(1.0f, curve);

velocityOverLifetime.x = minMaxCurve; velocityOverLifetime.y = minMaxCurve; velocityOverLifetime.z = minMaxCurve; }

void Update() { var velocityOverLifetime = ps.velocityOverLifetime; velocityOverLifetime.xMultiplier = hSliderValueX; velocityOverLifetime.yMultiplier = hSliderValueY; velocityOverLifetime.zMultiplier = hSliderValueZ; }

void OnGUI() { GUI.Label(new Rect(25, 40, 100, 30), "X"); GUI.Label(new Rect(25, 80, 100, 30), "Y"); GUI.Label(new Rect(25, 120, 100, 30), "Z");

hSliderValueX = GUI.HorizontalSlider(new Rect(55, 45, 100, 30), hSliderValueX, -50.0f, 50.0f); hSliderValueY = GUI.HorizontalSlider(new Rect(55, 85, 100, 30), hSliderValueY, -50.0f, 50.0f); hSliderValueZ = GUI.HorizontalSlider(new Rect(55, 125, 100, 30), hSliderValueZ, -50.0f, 50.0f); } }
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