Particle
查阅Mars3D API

new Cesium.Particle(options)
engine/Source/Scene/Particle.js 27

A particle emitted by a ParticleSystem.
参数名称 类型 描述信息
options object An object with the following properties:
参数名称 类型 默认值 描述信息
mass number 1.0 可选 The mass of the particle in kilograms.
position Cartesian3 Cartesian3.ZERO 可选 The initial position of the particle in world coordinates.
velocity Cartesian3 Cartesian3.ZERO 可选 The velocity vector of the particle in world coordinates.
life number Number.MAX_VALUE 可选 The life of the particle in seconds.
image object 可选 The URI, HTMLImageElement, or HTMLCanvasElement to use for the billboard.
startColor Color Color.WHITE 可选 The color of a particle when it is born.
endColor Color Color.WHITE 可选 The color of a particle when it dies.
startScale number 1.0 可选 The scale of the particle when it is born.
endScale number 1.0 可选 The scale of the particle when it dies.
imageSize Cartesian2 new Cartesian2(1.0, 1.0) 可选 The dimensions, width by height, to scale the particle image in pixels.

成员(属性)

age : number
engine/Source/Scene/Particle.js 110

Gets the age of the particle in seconds.

endColor : Color
engine/Source/Scene/Particle.js 75

The color of the particle when it dies.
默认值: Color.WHITE

endScale : number
engine/Source/Scene/Particle.js 87

The scale of the particle when it dies.
默认值: 1.0

image : object
engine/Source/Scene/Particle.js 63

The image to use for the particle.
默认值: undefined

imageSize : Cartesian2
engine/Source/Scene/Particle.js 93

The dimensions, width by height, to scale the particle image in pixels.
默认值: new Cartesian(1.0, 1.0)

life : number
engine/Source/Scene/Particle.js 57

The life of the particle in seconds.
默认值: Number.MAX_VALUE

mass : number
engine/Source/Scene/Particle.js 35

The mass of the particle in kilograms.
默认值: 1.0

normalizedAge : number
engine/Source/Scene/Particle.js 120

Gets the age normalized to a value in the range [0.0, 1.0].

position : Cartesian3
engine/Source/Scene/Particle.js 41

The positon of the particle in world coordinates.
默认值: Cartesian3.ZERO

startColor : Color
engine/Source/Scene/Particle.js 69

The color of the particle when it is born.
默认值: Color.WHITE

startScale : number
engine/Source/Scene/Particle.js 81

the scale of the particle when it is born.
默认值: 1.0

velocity : Cartesian3
engine/Source/Scene/Particle.js 49

The velocity of the particle in world coordinates.
默认值: Cartesian3.ZERO
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