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Golf me a polygonal loader

[CGCC Sandbox](https://codegolf.meta.stackexchange.com/a/20491/80214), [Codidact Sandbox](https://codegolf.codidact.com/posts/279245)
Given three positive integers as input, animate an ascii-art polygonal loading symbol on the screen.
## Intro
Using the first input \$n\$,
Take one the following regular polygons:
```
* * *
* *
* * * * *
* * * *
* * * * * * * *
* * * * * * * *
* * * * * * * * * * * *
```
And draw it with the correct side length \$l\$.
Given load length \$d\$ lesser than it's perimeter, create it's loading animation as follows:
- Start at any one of the topmost corners, and draw the bounding line till it's length is \$d\$.
- Then, shift the position by 1 clockwise and do the next step.
For example, \$n=3,l=3,d=4\$ would result in the following steps:
```
* * * *
* → * → * → * → * * → * * → . . .
* * * * * * * * * * * *
```
## Further details(important):
* You are guaranteed that \$n∊(3,4,6,8)\$
* You are guaranteed that \$l≥3.\$
* You are guaranteed that \$d<l×n.\$
* There must be a delay of at least 0.1 s between each step. You can have a delay of up to 10 seconds.
* Your language is allowed to output a list of steps infinitely if and only if it cannot clear the screen or do something similar.
* If so, there must be at least 2 newlines between each step.
* This is not graphical-output.
## Scoring
~~This is code-golf. Shortest answer in each language wins.~~

[CGCC Sandbox](https://codegolf.meta.stackexchange.com/a/20491/80214), [Codidact Sandbox](https://codegolf.codidact.com/posts/279245)
Given three positive integers as input, animate an ascii-art polygonal loading symbol on the screen.
## Intro
Using the first input \$n\$,
Take one the following regular polygons:
```
* * *
* *
* * * * *
* * * *
* * * * * * * *
* * * * * * * *
* * * * * * * * * * * *
```
And draw it with the correct side length \$l\$.
Given load length \$d\$ lesser than it's perimeter, create it's loading animation as follows:
- Start at any one of the topmost corners, and draw the bounding line till it's length is \$d\$.
- Then, shift the position by 1 clockwise and do the next step.
For example, \$n=3,l=3,d=4\$ would result in the following steps:
```
* * * *
* → * → * → * → * * → * * → . . .
* * * * * * * * * * * *
```
## Further details(important):
* You are guaranteed that \$n∊(3,4,6,8)\$
* You are guaranteed that \$l≥3.\$
* You are guaranteed that \$d<l×n.\$
* There must be a delay of at least 0.1 s between each step. You can have a delay of up to 10 seconds.
* Your language is allowed to output a list of steps infinitely if and only if it cannot clear the screen or do something similar.
* If so, there must be at least 2 newlines between each step.
* This is not graphical-output.
## Scoring
This is <a class="badge is-tag">code-golf</a>. Shortest answer in each language wins.

code-golf ascii-art animation