Class: PointLight

PointLight

new PointLight(position, options)

Point light source category.

Name Type Description
position Cartesian3

点光源位置(笛卡尔世界坐标)。
options Object optional

Contains the following attributes:

Name Type Default Description
color Color Color.WHITE optional

Light source color.
cutoffDistance Number 10 optional

The diffusion distance of a point light source.
decay Number 1 optional

The attenuation factor of a point light source decreases with distance and becomes brighter.
intensity Number 2 optional

Point light source intensity.

Members

colorColor

Get or set the color of the light source, default is white.

Default Value:
Color (1.0, 1.0, 1.0, 1.0)

cutoffDistanceNumber

获取或设置点光源的扩散距离(单位：米)。

Default Value:
10.0 米

decayNumber

Get or set the attenuation factor of the point light source, which decreases with distance and becomes brighter as it decreases.

Default Value:
1.0

readonly idNumber

Obtain the ID of the point light source.

intensityNumber

Get or set the intensity of a point light source.

Default Value:
2.0

readonly lightColorColor

Obtain the color of the point light source.

Default Value:
Color (1.0, 1.0, 1.0, 1.0)

readonly lightTypeLightSourceType

Obtain the type of point light source.

positionCartesian3

获取或设置点光源位置，使用笛卡尔世界坐标。