SpotLight - Cesium Documentation

SpotLight

spotlight

Name Type Description

position Cartesian3 Light source position

targetPosition Cartesian3 Target position, determine the direction of concentration

options

Object

optional Optional, with the following attributes:

Name	Type	Default	Description
`color`	Color	`Color.WHITE`	optional Light source color
`intesity`	Number	`2`	optional brightness
`distance`	Number	`100`	optional The distance that light can reach, the default is 100 meters.
`decay`	Number	`1`	optional The smaller the attenuation factor of the light source, the smaller the attenuation with distance, the brighter it is.

staticCesium.SpotLight.angle : Number

Gets or sets the spotlight range, default Math.PI / 6, unit radians.

staticCesium.SpotLight.color : Color

Gets or sets the color of the light, default white.

staticCesium.SpotLight.decay : Number

Get or set the spotlight source attenuation factor. The smaller the distance, the smaller the distance attenuation will be.

staticCesium.SpotLight.direction : Cartesian3

Get the direction of the spotlight.

staticCesium.SpotLight.distance : Number

Get or set the distance that the spotlight can reach, the default is 100 meters.

staticCesium.SpotLight.id : Number

Get the spotlight id.

staticCesium.SpotLight.intensity : Number

Gets or sets the light intensity of the spotlight.

staticCesium.SpotLight.lightColor : Color

Get the color of the spotlight.

staticCesium.SpotLight.position : Cartesian3

Gets or sets the point source position, using the world coordinate system.

staticCesium.SpotLight.targetPosition : Cartesian3

Get or set the spotlight target point position to determine the spotlight direction.