m4m.framework.Particle1

@meta4d/engine / Exports / m4m / framework / Particle1

Class: Particle1

m4m.framework.Particle1

粒子

author feng3d

Table of contents

Properties

• acceleration

• angularVelocity

• birthRateAtDuration

• birthTime

• cache

• color

• flipUV

• lifetime

• position

• rateAtLifeTime

• rotation

• size

• startColor

• startSize

• tilingOffset

• velocity

Constructors

• constructor

Methods

• updateState

Properties

acceleration

• acceleration: vector3

加速度

Defined in

framework/particlesystem/Particle1.ts:34

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angularVelocity

• angularVelocity: vector3

角速度

Defined in

framework/particlesystem/Particle1.ts:44

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birthRateAtDuration

• birthRateAtDuration: number

出生时在周期的位置（在发射时被更新）

Defined in

framework/particlesystem/Particle1.ts:79

---

birthTime

• birthTime: number = 0

出生时间

Defined in

framework/particlesystem/Particle1.ts:14

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cache

• cache: Object = {}

缓存，用于存储计算时临时数据

Defined in

framework/particlesystem/Particle1.ts:89

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color

• color: color

颜色

Defined in

framework/particlesystem/Particle1.ts:59

---

flipUV

• flipUV: vector2

在粒子上翻转UV坐标，使它们呈现水平镜像。

Defined in

framework/particlesystem/Particle1.ts:74

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lifetime

• lifetime: number = 5

寿命

Defined in

framework/particlesystem/Particle1.ts:19

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position

• position: vector3

位置

Defined in

framework/particlesystem/Particle1.ts:24

---

rateAtLifeTime

• rateAtLifeTime: number

此时粒子在生命周期的位置（在更新状态前被更新）

Defined in

framework/particlesystem/Particle1.ts:84

---

rotation

• rotation: vector3

旋转角度

Defined in

framework/particlesystem/Particle1.ts:39

---

size

• size: vector3

尺寸

Defined in

framework/particlesystem/Particle1.ts:49

---

startColor

• startColor: color

起始颜色

Defined in

framework/particlesystem/Particle1.ts:64

---

startSize

• startSize: vector3

起始尺寸

Defined in

framework/particlesystem/Particle1.ts:54

---

tilingOffset

• tilingOffset: vector4

纹理UV缩放和偏移。

Defined in

framework/particlesystem/Particle1.ts:69

---

velocity

• velocity: vector3

速度

Defined in

framework/particlesystem/Particle1.ts:29

Constructors

constructor

• new Particle1()

Methods

updateState

▸ updateState(preTime, time): void

更新状态

Parameters

Name	Type
preTime	number
time	number

Returns

void

Defined in

framework/particlesystem/Particle1.ts:94