Bojo-5-12-6b (simple)

Help Contents Examples Bojo-5-12-6b (simple)
Archimedic Spiral (simple) Bojo-5-14-2 (simple)

Bojo-5-12-6b (simple)

This example draws a band of hyperbolas.

Note the importance of [traced]! Try commenting it out. Then you`ll see only one moving hyperbola instead of a band being drawn.

run "geomland

ob "O point 0 0
ob "r 45
ob "d 60
ob "D line :O :r
ob "F1 pointon :D :d
ob "F2 pointon :D neg :d
ob "k 0.05
ob "P pointon segment :O :F1 :d*:k
ob "H hyperbola :F1 :F2 :P [traced]

repeat 8 
[
	ob "k :k+0.1
]

Archimedic Spiral (simple) Bojo-5-14-2 (simple)