Category talk:Jq-turtle: Difference between revisions
def turtleMove()
(add preamble) |
(def turtleMove()) |
||
Line 29:
def turtleDown: .up=false;
# Move to $xy = [$x,$y] without changing orientation
def turtleRotate($angle): .angle = (360 + (.angle + $angle)) % 360;▼
def turtleMove($xy):
$xy as [$x, $y]
| .svg += "M \($x),\($y)";
# Move to $xy = [$x,$y] in SVG co-ordinates and change orientation to ($angle % 360) degrees,
def turtleArcRight($r):▼
# but if $xy is not an array, then just adjust the orientation.
if .angle== 0 then .svg += " a\($r),\($r) 0 0 1 \($r),\($r)" # checked▼
def turtleMove($xy; $angle):
elif .angle== 90 then .svg += " a\($r),\($r) 0 0 1 \($r),-\($r)" # checked▼
if $xy|type == "array"
elif .angle==180 then .svg += " a\($r),\($r) 0 0 1 -\($r),-\($r)" # checked▼
then $xy as [$x, $y]
elif .angle==270 then .svg += " a\($r),\($r) 0 0 1 -\($r),\($r)" # checked▼
| .svg += "M \($x),\($y)"
else "turtleArcRight at \(.angle) not yet supported" | error▼
else
| turtleRotate(-90);▼
| .angle = ($angle % 360);
def turtleArcLeft($r):▼
if .angle== 0 then .svg += " a\($r),\($r) 0 0 0 \($r),-\($r)" # check▼
elif .angle== 90 then .svg += " a\($r),\($r) 0 0 0 -\($r),-\($r)" # check▼
elif .angle==180 then .svg += " a\($r),\($r) 0 0 0 -\($r),\($r)" # check▼
elif .angle==270 then .svg += " a\($r),\($r) 0 0 0 \($r),\($r)"▼
else "turtleArcRight at \(.angle) not yet supported" | error▼
▲ end
| turtleRotate(90);▼
def turtleForward($d):
Line 56 ⟶ 51:
elif .angle==180 then .svg += " m -\($d),0"
elif .angle==270 then .svg += " m 0,\($d)"
else ($d * (.angle|cosDegrees|rnd)) as $dx
| ($d * (.angle|sinDegrees|rnd) * -1) as $dy
| .svg += " m\($dx),\($dy)"
end
Line 69 ⟶ 64:
end
end;
▲def turtleRotate($angle): .angle = (360 + (.angle + $angle)) % 360;
▲def turtleArcRight($r):
▲ if .angle== 0 then .svg += " a\($r),\($r) 0 0 1 \($r),\($r)" # checked
▲ elif .angle== 90 then .svg += " a\($r),\($r) 0 0 1 \($r),-\($r)" # checked
▲ elif .angle==180 then .svg += " a\($r),\($r) 0 0 1 -\($r),-\($r)" # checked
▲ elif .angle==270 then .svg += " a\($r),\($r) 0 0 1 -\($r),\($r)" # checked
▲ else "turtleArcRight at \(.angle) not yet supported" | error
end
▲ | turtleRotate(-90);
▲def turtleArcLeft($r):
▲ if .angle== 0 then .svg += " a\($r),\($r) 0 0 0 \($r),-\($r)" # check
▲ elif .angle== 90 then .svg += " a\($r),\($r) 0 0 0 -\($r),-\($r)" # check
▲ elif .angle==180 then .svg += " a\($r),\($r) 0 0 0 -\($r),\($r)" # check
▲ elif .angle==270 then .svg += " a\($r),\($r) 0 0 0 \($r),\($r)"
▲ else "turtleArcRight at \(.angle) not yet supported" | error
end
▲ | turtleRotate(90);
def svg($size):
Line 81 ⟶ 97:
path("none"; "red"; 1) | svg($size);
#################################################################################
def svg($size):
| |||