Version: 2017.4
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ParticleSystem.NoiseModule.sizeAmount

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public var sizeAmount: ParticleSystem.MinMaxCurve;
public ParticleSystem.MinMaxCurve sizeAmount;

Description

How much the noise affects the particle sizes, applied as a multiplier on the size of each particle.

#pragma strict
private var ps: ParticleSystem;
public var hSliderValuePositionAmount: float = 0.0f;
public var hSliderValueRotationAmount: float = 0.0f;
public var hSliderValueSizeAmount: float = 0.5f;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	var noise: var = ps.noise;
	noise.enabled = true;
	var psr: var = GetComponent.<ParticleSystemRenderer>();
	psr.material = new Material(Shader.Find("Sprites/Default"));
	// this material renders a square billboard, so we can see the rotation
}
function Update() {
	var noise: var = ps.noise;
	noise.enabled = enabled;
	noise.positionAmount = hSliderValuePositionAmount;
	noise.rotationAmount = hSliderValueRotationAmount;
	noise.sizeAmount = hSliderValueSizeAmount;
}
function OnGUI() {
	GUI.Label(new Rect(25, 80, 100, 30), "Position Amount");
	GUI.Label(new Rect(25, 120, 100, 30), "Rotation Amount");
	GUI.Label(new Rect(25, 160, 100, 30), "Size Amount");
	hSliderValuePositionAmount = GUI.HorizontalSlider(new Rect(135, 85, 100, 30), hSliderValuePositionAmount, 0.0f, 5.0f);
	hSliderValueRotationAmount = GUI.HorizontalSlider(new Rect(135, 125, 100, 30), hSliderValueRotationAmount, 0.0f, 180.0f);
	hSliderValueSizeAmount = GUI.HorizontalSlider(new Rect(135, 165, 100, 30), hSliderValueSizeAmount, 0.0f, 1.0f);
}
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValuePositionAmount = 0.0f; public float hSliderValueRotationAmount = 0.0f; public float hSliderValueSizeAmount = 0.5f;

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

var noise = ps.noise; noise.enabled = true;

var psr = GetComponent<ParticleSystemRenderer>(); psr.material = new Material(Shader.Find("Sprites/Default")); // this material renders a square billboard, so we can see the rotation }

void Update() { var noise = ps.noise; noise.enabled = enabled; noise.positionAmount = hSliderValuePositionAmount; noise.rotationAmount = hSliderValueRotationAmount; noise.sizeAmount = hSliderValueSizeAmount; }

void OnGUI() { GUI.Label(new Rect(25, 80, 100, 30), "Position Amount"); GUI.Label(new Rect(25, 120, 100, 30), "Rotation Amount"); GUI.Label(new Rect(25, 160, 100, 30), "Size Amount");

hSliderValuePositionAmount = GUI.HorizontalSlider(new Rect(135, 85, 100, 30), hSliderValuePositionAmount, 0.0f, 5.0f); hSliderValueRotationAmount = GUI.HorizontalSlider(new Rect(135, 125, 100, 30), hSliderValueRotationAmount, 0.0f, 180.0f); hSliderValueSizeAmount = GUI.HorizontalSlider(new Rect(135, 165, 100, 30), hSliderValueSizeAmount, 0.0f, 1.0f); } }