Physics: rope / cable with mesh geometry

This topic has 6 replies, 2 voices, and was last updated 6 months, 4 weeks ago by Thomas Fabini.

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2024-04-19 at 11:34 am #72402

Thomas Fabini
Customer

Hi guys,

would something in the lines of this be hard to implement?
Basically the rope soft body but meshed instead of line rendering?

Or is there another way this kind of physics behavior can be achieved already with the existing features / puzzles / api?

Thank you,
Thomas

2024-04-19 at 1:31 pm #72407

kdv
Participant

Thomas Fabini wrote:

Or is there another way this kind of physics behavior can be achieved already with the existing features / puzzles / api?

try to create a soft body (volume).
https://v3d.net/v03

Puzzles and JS coding. 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 the meaning at all.

2024-04-22 at 1:25 pm #72424

Thomas Fabini
Customer

Hi kdv,

thanks for the example and for pointing that out – i’ve tried soft body volume before, but as it seems, not with the right settings.
I gave it another try, and it works, it really seems to be the best option with the existing physics bodies.

A gradual falloff for the stiffness of the softbody isn’t possible, isn’t it? (Like a weightmap which controls the stiffness).

2024-04-22 at 1:31 pm #72425

kdv
Participant

Thomas Fabini wrote:

A gradual falloff for the stiffness of the softbody isn’t possible, isn’t it?

Why not? You can use animate param.

Puzzles and JS coding. 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 the meaning at all.

2024-04-22 at 1:43 pm #72426

Thomas Fabini
Customer

I rather meant parts of the mesh which are more stiff than others – not changing the stiffness over time… which i guess you meant?

Like the weight map on a rigged mesh which controls the amount of deformation on different parts of the mesh… but for the stiffness of the softbody allowing for more rigid parts and softer parts.

2024-04-22 at 1:45 pm #72427

kdv
Participant

No.

But you may try a rigged mesh combined with physics.

Puzzles and JS coding. 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 the meaning at all.

2024-04-22 at 1:53 pm #72432

Thomas Fabini
Customer

I actually thought of a rig instead of the physics body – but i had the impression that a rig in verge3d can only be animated, but not modified in real time – through user input or physics.
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