Difference between revisions of "Sprite:setShaderConstant"

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<translate>To change the value of a uniform from lua</translate>
 
<translate>To change the value of a uniform from lua</translate>
 
<source lang="lua">
 
<source lang="lua">
  Sprite:setShaderConstant(uniform name,data type,mult,data)
+
  Sprite:setShaderConstant(uniform name,data type,mult,data,program type,program variant)
 
</source>
 
</source>
 
=== <translate>Parameters</translate> ===
 
=== <translate>Parameters</translate> ===
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'''mult''': (number) <translate>number of elements of the given type to set</translate> <br/>
 
'''mult''': (number) <translate>number of elements of the given type to set</translate> <br/>
 
'''data''': (varies) <translate>And the actual data to set, either as a table or as multiple arguments</translate> <br/>
 
'''data''': (varies) <translate>And the actual data to set, either as a table or as multiple arguments</translate> <br/>
 
+
'''program type''': (int) '''optional''' The type of program this constant applies to <br/>
 +
'''program variant''': (int) '''optional''' The variant of program this constant applies to <br/>
 
{{Sprite}}
 
{{Sprite}}

Revision as of 09:00, 18 December 2020


Available since: Gideros 2017.4
Class: Sprite

Description

To change the value of a uniform from lua

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

Parameters

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
program type: (int) optional The type of program this constant applies to
program variant: (int) optional The variant of program this constant applies to