Is it possible to create a unique texture transition effect in three.js?

Currently, I am working on creating a model viewer in three.js using opengl. One of the key features I am trying to implement is the ability to dynamically change textures while the model is running. So far, I have managed to achieve this functionality, but it seems a bit rudimentary to me. I am aiming for something more visually impressive, similar to what is demonstrated in this video. Even though I understand that this is quite advanced, I have not been able to find any examples or tutorials on how to achieve this effect. Does anyone have any tips or insights on how I can improve my model viewer?

javascriptthree.jswebgl

Answer №1

To seamlessly transition between two textures, you can utilize linear interpolation (lerp) in your fragment shader. This involves storing both textures and activating the lerping process once the second texture is loaded for switching. Implement an operation similar to 

col = fromTex.rgb * (1.0 - t) + toTex.rgb * t
, adjusting the blending/lerping factor t gradually until the desired texture transformation is achieved. The value of t can be controlled by a uniform that smoothly transitions from 0.0 to 1.0 over time.

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