## Light class

  The light illuminates the scene.  The formula to calculate the total attenuation of light is:  A = ConstantAttenuation + (Dist  LinearAttenuation) + ((Dist^2)  QuadraticAttenuation)


## Methods

### constructor{#constructor}

| Name | Description |
| --- | --- |
| constructor() | Initializes a new instance of the Light class. | 

 **Result:**



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### constructor_overload{#constructor_overload}

| Name | Description |
| --- | --- |
| constructor_overload(name) | Initializes a new instance of the Light class. | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| name | String | Name |

 **Result:**



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### constructor_overload2{#constructor_overload2}

| Name | Description |
| --- | --- |
| constructor_overload2(name, type) | Initializes a new instance of the Light class. | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| name | String | Name |
| type | LightType | LightType |

 **Result:**



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### getColor{#getColor}

| Name | Description |
| --- | --- |
| getColor() | Gets or sets the light's color | 

 **Result:**



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### setColor{#setColor}

| Name | Description |
| --- | --- |
| setColor(value) | Gets or sets the light's color | 

 **Result:**



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### getLightType{#getLightType}

| Name | Description |
| --- | --- |
| getLightType() | Gets or sets the light's type The value of the property is LightType integer constant. | 

 **Result:**



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### setLightType{#setLightType}

| Name | Description |
| --- | --- |
| setLightType(value) | Gets or sets the light's type The value of the property is LightType integer constant. | 

 **Result:**



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### getCastLight{#getCastLight}

| Name | Description |
| --- | --- |
| getCastLight() | Gets or sets if the current light instance can illuminate other objects. | 

 **Result:**



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### setCastLight{#setCastLight}

| Name | Description |
| --- | --- |
| setCastLight(value) | Gets or sets if the current light instance can illuminate other objects. | 

 **Result:**



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### getIntensity{#getIntensity}

| Name | Description |
| --- | --- |
| getIntensity() | Gets or sets the light's intensity, default value is 100 | 

 **Result:**



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### setIntensity{#setIntensity}

| Name | Description |
| --- | --- |
| setIntensity(value) | Gets or sets the light's intensity, default value is 100 | 

 **Result:**



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### getHotSpot{#getHotSpot}

| Name | Description |
| --- | --- |
| getHotSpot() | Gets or sets the hot spot cone angle(in degrees). | 

 **Result:**



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### setHotSpot{#setHotSpot}

| Name | Description |
| --- | --- |
| setHotSpot(value) | Gets or sets the hot spot cone angle(in degrees). | 

 **Result:**



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### getFalloff{#getFalloff}

| Name | Description |
| --- | --- |
| getFalloff() | Gets or sets the falloff cone angle (in degrees). | 

 **Result:**



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### setFalloff{#setFalloff}

| Name | Description |
| --- | --- |
| setFalloff(value) | Gets or sets the falloff cone angle (in degrees). | 

 **Result:**



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### getConstantAttenuation{#getConstantAttenuation}

| Name | Description |
| --- | --- |
| getConstantAttenuation() | Gets or sets the constant attenuation to calculate the total attenuation of the light | 

 **Result:**



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### setConstantAttenuation{#setConstantAttenuation}

| Name | Description |
| --- | --- |
| setConstantAttenuation(value) | Gets or sets the constant attenuation to calculate the total attenuation of the light | 

 **Result:**



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### getLinearAttenuation{#getLinearAttenuation}

| Name | Description |
| --- | --- |
| getLinearAttenuation() | Gets or sets the linear attenuation to calculate the total attenuation of the light | 

 **Result:**



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### setLinearAttenuation{#setLinearAttenuation}

| Name | Description |
| --- | --- |
| setLinearAttenuation(value) | Gets or sets the linear attenuation to calculate the total attenuation of the light | 

 **Result:**



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### getQuadraticAttenuation{#getQuadraticAttenuation}

| Name | Description |
| --- | --- |
| getQuadraticAttenuation() | Gets or sets the quadratic attenuation to calculate the total attenuation of the light | 

 **Result:**



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### setQuadraticAttenuation{#setQuadraticAttenuation}

| Name | Description |
| --- | --- |
| setQuadraticAttenuation(value) | Gets or sets the quadratic attenuation to calculate the total attenuation of the light | 

 **Result:**



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### getCastShadows{#getCastShadows}

| Name | Description |
| --- | --- |
| getCastShadows() | Gets or sets if the light can cast shadows on other objects. | 

 **Result:**



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### setCastShadows{#setCastShadows}

| Name | Description |
| --- | --- |
| setCastShadows(value) | Gets or sets if the light can cast shadows on other objects. | 

 **Result:**



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### getShadowColor{#getShadowColor}

| Name | Description |
| --- | --- |
| getShadowColor() | Gets or sets the shadow's color. | 

 **Result:**



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### setShadowColor{#setShadowColor}

| Name | Description |
| --- | --- |
| setShadowColor(value) | Gets or sets the shadow's color. | 

 **Result:**



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### getRotationMode{#getRotationMode}

| Name | Description |
| --- | --- |
| getRotationMode() | Gets or sets the frustum's orientation mode This property only works when the Target is null. If the value is RotationMode.FIXED_TARGET, the direction is always calculated by the property LookAt Otherwise the LookAt is always calculated by the DirectionThe value of the property is RotationMode integer constant. | 

 **Result:**



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### setRotationMode{#setRotationMode}

| Name | Description |
| --- | --- |
| setRotationMode(value) | Gets or sets the frustum's orientation mode This property only works when the Target is null. If the value is RotationMode.FIXED_TARGET, the direction is always calculated by the property LookAt Otherwise the LookAt is always calculated by the DirectionThe value of the property is RotationMode integer constant. | 

 **Result:**



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### getNearPlane{#getNearPlane}

| Name | Description |
| --- | --- |
| getNearPlane() | Gets or sets the frustum's near plane distance. | 

 **Result:**



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### setNearPlane{#setNearPlane}

| Name | Description |
| --- | --- |
| setNearPlane(value) | Gets or sets the frustum's near plane distance. | 

 **Result:**



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### getFarPlane{#getFarPlane}

| Name | Description |
| --- | --- |
| getFarPlane() | Gets or sets the frustum's far plane distance. | 

 **Result:**



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### setFarPlane{#setFarPlane}

| Name | Description |
| --- | --- |
| setFarPlane(value) | Gets or sets the frustum's far plane distance. | 

 **Result:**



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### getAspect{#getAspect}

| Name | Description |
| --- | --- |
| getAspect() | Gets or sets the aspect ratio of the frustum | 

 **Result:**



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### setAspect{#setAspect}

| Name | Description |
| --- | --- |
| setAspect(value) | Gets or sets the aspect ratio of the frustum | 

 **Result:**



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### getOrthoHeight{#getOrthoHeight}

| Name | Description |
| --- | --- |
| getOrthoHeight() | Gets or sets the height when frustum in orthographic projection. | 

 **Result:**



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### setOrthoHeight{#setOrthoHeight}

| Name | Description |
| --- | --- |
| setOrthoHeight(value) | Gets or sets the height when frustum in orthographic projection. | 

 **Result:**



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### getUp{#getUp}

| Name | Description |
| --- | --- |
| getUp() | Gets or sets the up direction of the camera | 

 **Result:**



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### setUp{#setUp}

| Name | Description |
| --- | --- |
| setUp(value) | Gets or sets the up direction of the camera | 

 **Result:**



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### getLookAt{#getLookAt}

| Name | Description |
| --- | --- |
| getLookAt() | Gets or sets the the interested position that the camera is looking at. | 

 **Result:**



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### setLookAt{#setLookAt}

| Name | Description |
| --- | --- |
| setLookAt(value) | Gets or sets the the interested position that the camera is looking at. | 

 **Result:**



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### getDirection{#getDirection}

| Name | Description |
| --- | --- |
| getDirection() | Gets or sets the direction that the camera is looking at. Changes on this property will also affects the LookAt and Target. | 

 **Result:**



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### setDirection{#setDirection}

| Name | Description |
| --- | --- |
| setDirection(value) | Gets or sets the direction that the camera is looking at. Changes on this property will also affects the LookAt and Target. | 

 **Result:**



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### getTarget{#getTarget}

| Name | Description |
| --- | --- |
| getTarget() | Gets or sets the target that the camera is looking at. If the user supports this property, it should be prior to LookAt property. | 

 **Result:**



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### setTarget{#setTarget}

| Name | Description |
| --- | --- |
| setTarget(value) | Gets or sets the target that the camera is looking at. If the user supports this property, it should be prior to LookAt property. | 

 **Result:**



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### getParentNodes{#getParentNodes}

| Name | Description |
| --- | --- |
| getParentNodes() | Gets all parent nodes, an entity can be attached to multiple parent nodes for geometry instancing The nodes. | 

 **Result:**



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### getExcluded{#getExcluded}

| Name | Description |
| --- | --- |
| getExcluded() | Gets or sets whether to exclude this entity during exporting. | 

 **Result:**



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### setExcluded{#setExcluded}

| Name | Description |
| --- | --- |
| setExcluded(value) | Gets or sets whether to exclude this entity during exporting. | 

 **Result:**



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### getParentNode{#getParentNode}

| Name | Description |
| --- | --- |
| getParentNode() | Gets or sets the first parent node, if set the first parent node, this entity will be detached from other parent nodes. The parent node. | 

 **Result:**



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### setParentNode{#setParentNode}

| Name | Description |
| --- | --- |
| setParentNode(value) | Gets or sets the first parent node, if set the first parent node, this entity will be detached from other parent nodes. The parent node. | 

 **Result:**



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### getScene{#getScene}

| Name | Description |
| --- | --- |
| getScene() | Gets the scene that this object belongs to | 

 **Result:**



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### getName{#getName}

| Name | Description |
| --- | --- |
| getName() | Gets or sets the name. The name. | 

 **Result:**



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### setName{#setName}

| Name | Description |
| --- | --- |
| setName(value) | Gets or sets the name. The name. | 

 **Result:**



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### getProperties{#getProperties}

| Name | Description |
| --- | --- |
| getProperties() | Gets the collection of all properties. | 

 **Result:**



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### getBoundingBox{#getBoundingBox}

| Name | Description |
| --- | --- |
| getBoundingBox() | Gets the bounding box of current entity in its object space coordinate system. | 

 **Result:**



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### getEntityRendererKey{#getEntityRendererKey}

| Name | Description |
| --- | --- |
| getEntityRendererKey() | Gets the key of the entity renderer registered in the renderer | 

 **Result:**
EntityRendererKey


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### removeProperty{#removeProperty}

| Name | Description |
| --- | --- |
| removeProperty(property) | Removes a dynamic property. | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| property | Property | Which property to remove |

 **Result:**
boolean


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### removeProperty{#removeProperty}

| Name | Description |
| --- | --- |
| removeProperty(property) | Remove the specified property identified by name | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
|  propert | String | null |

 **Result:**
boolean


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### getProperty{#getProperty}

| Name | Description |
| --- | --- |
| getProperty(property) | Get the value of specified property | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| property | String | Property name |

 **Result:**
Object


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### setProperty{#setProperty}

| Name | Description |
| --- | --- |
| setProperty(property, value) | Sets the value of specified property | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| property | String | Property name |
| value | Object | The value of the property |

 **Result:**
Object


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### findProperty{#findProperty}

| Name | Description |
| --- | --- |
| findProperty(propertyName) | Finds the property. It can be a dynamic property (Created by CreateDynamicProperty/SetProperty) or native property(Identified by its name) | 

 **Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| propertyName | String | Property name. |

 **Result:**
Property


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