Circles
- Ebbinghaus illusion
Both colored circles are the same size. The upper circle though appears larger than the lower circle. We are influenced by the sizes of the surrounding circles.
To New
# set default screen, pen and turtle values
ResetAll SetScreenSize [400 400] HideTurtle
SetSC Black SetPC Green SetPS 1 PenUp
End
To Go
New
SetPC [230 127 57] SetPW 45
SetPos [-60 -60] Dot Pos
SetPC [145 164 185] SetPW 59
Repeat 6 [Forward 70 Dot Pos Back 70 Left 60]
SetPC [230 127 57] SetPW 45
SetPos [110 110] Dot Pos
SetPC [145 164 185] SetPW 9
Repeat 8 [Forward 40 Dot Pos Back 40 Left 45]
End
Main Command: Go- Animation
- Art
- Cellular Auto
- Coding
- Demo
- Dot Plot
- Fractal
- Grid
- Illusion
- L-System
- Multi Turtle
- One Line
- Perspective
- Plane Filling
- Polar
- Puzzle
- Recursion
- Sound
- Spiral
- Spirograph
- Trees
- Walks
