Sprite:setShaderConstant

Available since: Gideros 2017.4

Description

To change the value of a uniform from lua

 Sprite:setShaderConstant(uniform name,data type,mult,data)

'uniform name: (string) The uniform name to change '
'data type: (int) The type if data to set (one of the Shader.Cxxx constants) '
'mult: (number) number of elements of the given type to set '
'data: (varies) And the actual data to set, either as a table or as multiple arguments '