Module SDK - 3d Shape Manipulation via code

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Pedro Ortelani asked Mar 19 2020 at 6:12 PM Pedro Ortelani commented Mar 24 2020 at 12:05 PM

Module SDK - 3d Shape Manipulation via code

Hello,

I want to make a 3d shape that alters itself depending on the object's size, just like the conveyor does when I rise its length. What would be the right way to accomplish this?

The way I am currently thinking would be drawing the 3d object parts with some modeling software, like Blender. And them use some graphic library (like openGL) that would read those objects and create the "complete" version taking its size in consideration.

The problem with this way is that it could get to a degree of complexity not intended. Is there an easier way?

Thanks.

Software Version:

FlexSim 20.0.3

module sdk 3d shape

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Answer 1 · 2020-03-20T16:50:28Z

Matthew Gillespie answered Mar 20 2020 at 4:50 PM Pedro Ortelani commented Mar 24 2020 at 12:05 PM

Have you looked into the Mesh API? https://answers.flexsim.com/questions/46673/how-to-use-mesh-api.html

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Pedro Ortelani commented · Mar 20 2020 at 4:59 PM

I'll take a look at it, thanks.

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Pedro Ortelani commented · Mar 20 2020 at 5:26 PM

Looking into the model I get that it draws the 3d object inside FlexSim using only the Mesh API, with its position and color information.

So what I should be doing is just drawing the 3d direct from flexscript? And not use a .3ds file? (For 3d objects that can have its size modified).

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Matthew Gillespie ♦♦ Pedro Ortelani commented · Mar 20 2020 at 5:42 PM

We draw our own meshes for objects in FlexSim that update their shape based on their size like conveyors, the waiting line, racks, etc.

It's not very easy, but it does let you adjust the shape dynamically.

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Pedro Ortelani Matthew Gillespie ♦♦ commented · Mar 20 2020 at 5:44 PM

Got it, not very easy indeed, but I'll try it!

Thanks for the help!

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Pedro Ortelani commented · Mar 23 2020 at 3:03 PM

@Matthew Gillespie,

Just one more piece of advice please!

I am trying to use the meshsetvertexattrib method with C++ on my dll, but it calls for a fourth parameter, the example only uses 3 (px, py and pz), is there a way for me to ignore the fourth parameter? What value should i put in it?

I can't make the Mesh API example worth through C++, and i believe this fourth parameter may be the issue.

Thanks!

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Matthew Gillespie ♦♦ Pedro Ortelani commented · Mar 23 2020 at 10:35 PM

The flexscript command just sets the fourth parameter to 0 if you don't pass anything in. So I would just pass 0 for the fourth parameter.

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Pedro Ortelani Matthew Gillespie ♦♦ commented · Mar 24 2020 at 11:31 AM

Ok, thanks!

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