.sun

.sun ----- Sun returns a 1 if the robot is facing within 20 degrees of upwards.

---

found it in a Floating Veggie, perhaps Endy made it?
He did. .sun is in gene 3.
Don't 'fix' these veggies and they tend to migrate
to the upper left corner of the field.

 
' Floating Veggies

cond
*.robage 0 =
start
960 1 rnd mult 1 rnd mult inc
stop

cond
*960 0 =
*.nrg 5000 >
start
15 rnd .aimdx store
50 .repro store
stop

cond
*960 1 =
start
15 rnd .aimdx *.sun 1 sub -1 mult mult store
*.maxvel *.vel sub .up *.sun mult *.edge sub store
.repro inc
stop
end

These veggies use the refvar sun to identify the top of the screen. The floating members of their species(phenotypes are falling and rising types, decided at birth) stop spinning and accelerate once they locate it.