IC8 Python API:RLPy RIDirectionalLight

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Main article: iC8 Modules.
Last modified: 01/16/2023

Description

This class provides operations for Directional Lights, e.g. whether or not to cast shadows, the light's color, light strength, etc. You must first retrieve a directional light from the scene in order to use these operations.

Class Methods

RLPy.RIDirectionalLight.GetDarkenShadowStrength(self)

Get the light darken shadow strength.

Experimental API

Returns

The value of the "shadow strength" attribute of the light node - float 

1 light_object = RLPy.RScene.FindObject(RLPy.EObjectType_Light, "Dir. Light")
2 
3 if light_object:
4   result = light_object.SetDarkenShadowStrength(RLPy.RGlobal.GetTime(), 50)
5   print(light_object.GetDarkenShadowStrength())

RLPy.RIDirectionalLight.GetTransmission(self)

Get if light transmits through SSS (subsurface scattering) material.

Experimental API

Returns

True if light transmits, False if it doesn't - bool 

1 # No example

RLPy.RIDirectionalLight.IsCastShadow(self)

Get the light if cast shadow enable.

Experimental API

Returns

True if light is cast shadow enable, False if not - bool 

1 light_object = RLPy.RScene.FindObject(RLPy.EObjectType_Light, "Dir. Light")
2 
3 if light_object:
4     light_object.SetCastShadow(True)
5     print(light_object.IsCastShadow())
6 
7     light_object.SetCastShadow(False)
8     print(light_object.IsCastShadow())

RLPy.RIDirectionalLight.SetCastShadow(self, bEnable)

Set the light's cast shadow is enable.

Experimental API

Parameters

bEnable[in] If light's cast shadow is enable - bool

Returns

RLPy.RStatus.Success - Succeed
RLPy.RStatus.Failure - Fail
1 light_object = RLPy.RScene.FindObject(RLPy.EObjectType_Light, "Dir. Light")
2 
3 if light_object:
4     light_object.SetCastShadow(True)
5     light_object.SetCastShadow(False)

RLPy.RIDirectionalLight.SetDarkenShadowStrength(self, kTime, fStrength)

Set the light's shadow strength.

Experimental API

Parameters

fStrength[in] The Light shadow strength value - float

Returns

RLPy.RStatus.Success - Succeed
RLPy.RStatus.Failure - Fail
1 light_object = RLPy.RScene.FindObject(RLPy.EObjectType_Light, "Dir. Light")
2 
3 if light_object:
4   result = light_object.SetDarkenShadowStrength(RLPy.RGlobal.GetTime(), 50)
5   print(result)

RLPy.RIDirectionalLight.SetTransmission(self, b)

Set light to transmit through SSS (subsurfarce scattering) material.

Experimental API

Parameters

b[in] If light transmits through SSS matreial - bool

Returns

RLPy.RStatus.Success - Succeed
RLPy.RStatus.Failure - Fail
1 # No example
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