Change material on Hover Event

This topic has 3 replies, 2 voices, and was last updated 1 year ago by tughuart.

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2023-03-22 at 2:06 pm #61360

tughuart
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Hey everyone!

I’m working on an experiment as part of my assignment. I have a block skeleton, and I’m trying to have each part of the model highlighted in blue when the mouse hovers over it and then goes back to its default colour when hovering out.

My approach was to assign a texture to the default ‘Principled BSDF’ material in Blender and then assign it to the ‘Torso’. In puzzles, I created the ‘When hovered’ event, to change the texture map assigned to the material from Blue.jpg when ‘Over’to White.jpg when ‘Out’.

My challenge is if I assign the same material to all parts of the skeleton, they would all update at the same time regardless of whichever part I hover on. What is the best way to create a hover effect for each part of the mesh without having to create new materials for each of the parts of the skeleton? Is there a way to use puzzles to create a hover effect for each part with the same material?

Thank you.

2023-03-22 at 8:14 pm #61361

kdv
Participant

No, there is no such a puzzle. Objects are selected by their names. Parts of a single-material object have no names.

A single-material mesh

A multi-material mesh

Puzzles and JS. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

2023-03-22 at 10:07 pm #61364

kdv
Participant

It’s a little tricky task ))) First, you should split your mesh into several parts

Then you should use raycasting to detect the hovered sub-mesh.
https://www.soft8soft.com/docs/api/en/core/Raycaster.html

As a result you can get something like this
https://v3d.net/gfe

Puzzles and JS. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

2023-03-27 at 1:27 am #61432

tughuart
Participant

Thanks so much for this. It really was helpful. I decided to go with the hover effects built into Puzzles already.

But with this, I’ll be able to use this feature in future projects.

Thanks again
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