# TWA. Atlas F (Spideedoscope)
*Relative*: [[Cosmoscope_3D]]
*Theme*: the style of imagination
### Animation
- Spider's legs (8) have segments (2-3 each)
- 8 legs visually comprise 4 lines
- Each leg sways side-to-side
- Each segment periodically shakes
- 1st group of legs shakes for a moment
- In a brief moment the 2nd group shakes
- Then they both stay still for a couple of seconds -- only swinging continues without stopping
### Functionality
Use Line Renderer to represent the RayCast
- You can shake it to reorder the "kaleidoscope"
Comp:
```cs
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
int mask = LayerMask.GetMask("Ground");
RaycastHit hit;
if (Physics.Raycast(ray, out hit, 1000, mask))
{
Debug.DrawLine(ray.origin, hit.point, Color.green);
// add interaction here
CollideTarget.gameObject.SetActive(true);
CollideTarget.position = hit.point + Vector3.up; // so it's not stuck in the ground
```
### Research
- **[[Афанасий Кирхер]]** (иезуит) создал **«проекционный фонарь»** / **волшебный фонарь** ([[Kaleidoscope|калейдоскоп]]): «давайте представим, что Бог может так сделать…». (см. [[Стиль Воображения у Иезуитов]])
![[atlas.borders]]