HSL Shader
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The Crowd HSL Shader for Redshift is a Redshift shader which can be used to add some visual diversity to the rendered crowd. It lets you vary the hue, saturation and lightness of a texture/shader which will be applied on the same mesh on different Entities.
Crowd HSL Shader used in the tshirt shading graph of a crowd (variation of saturation on a texture)
Creation
To create a Crowd Switch Shader for Redshift, the Redshift plugin must be loaded.
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Hypershade: Maya / Utilities /
Crowd HSLShader Redshift - MEL command: createNode CrowdHSLShaderRedshift;
Configuration
| In Color | Input shader/textures slot to modify |
| H, S, L | Hue, saturation, lightness parameters (between -1. and 1.). 0 means that the parameter will have any effect on the input shader/texture. These parameters are usually linked to a value which changes for each character (e.g. RedshiftUserDataScalar), hence creating the diversity |
Shading Graph Integration
See a step by step tutorial here
This shader can be used to feed a color attribute of any other shader. The output attribute of this shader is called outColor.
In the following example the Crowd HSL Shader has a texture connected to its In Color attribute. Its Saturation attribute is fed by a RedshiftUserDataScalar shader and its output is connected to the Color attribute of a Blinn Tshirt shader.
At render time, Entities having this Blinn Tshirt shader listed in their Assets and a correctly defined Shader Attribute, you get the following result:
