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trying to change emission scale through script- error

I am trying to change the emission scale (brightness value) from 1-0 in Unity through a script. I have defined different materials with 1, 0.75, ...0 brightness and kept them as child parts of this gameobject called 'Hologram'. On select method is called and the brightness value should be taken up by the 'targetObject' in a similar way as done for Color. But, I cannot find an analogous way of transferring the emission value. I tried using the way as suggested in this link https://answers.unity.com/questions/914923/standard-shader-emission-control-via-script.html, but that is throwing an error. Does anyone know how to solve this?


Answers

  • JayZuoJayZuo mod
    edited April 2018

    Hi @MadamM,

    I'm not familiar with emission or shader. But according to this question, you can only use "_EmissionColor".

    The shader only uses "_EmissionColor". So you want to multiply the color with it. Effectively you have to pass an HDR color to it.

    Right now there are 3 properties. _EmissionScaleUI & _EmissionColorUI are only used to store data for the UI in the inspector. As the name implies. If you do this at runtime then you can simply ignore _EmissionScaleUI & _EmissionColorUI.

    Properties with the UI postfix in the name are just used to make the UI nicer when a custom material editor is used (e.g. for the Standard shader). What is actually used in the shader is e.g. "_EmissionColor".

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