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I painted a red circular spot using texture painting over a UV Sphere with an image texture. Is it possible to animate the opacity of the red spot?

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You need to find a way to mix the basic material and your spot image texture, for example use a MixRGB and plug the Alpha of the Image Texture in the factor socket, then find a way to vary the alpha value, here with a Converter > Math (Multiply):

enter image description here

enter image description here

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  • $\begingroup$ I found an addon named Texture Paint Layers in which there is an option to change and animate the opacity of each layer. $\endgroup$
    – Arun Nura
    Sep 20, 2020 at 15:40
  • $\begingroup$ oh ok, anyway I think it just automatically generates some nodes setups, it's always good to know how they work $\endgroup$
    – moonboots
    Sep 20, 2020 at 15:46
  • $\begingroup$ Thank for your answer and yeah absolutely ! Its great to know the mechanism $\endgroup$
    – Arun Nura
    Sep 20, 2020 at 15:51

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