Roll20 uses cookies to improve your experience on our site. Cookies enable you to enjoy certain features, social sharing functionality, and tailor message and display ads to your interests on our site and others. They also help us understand how our site is being used. By continuing to use our site, you consent to our use of cookies. Update your cookie preferences .
×
Create a free account

Draw Shape - circle tool for lighting

Is this intentional, or a limitation?

When I use the ALT key to force the Draw Shape tool to create an oval or circle, and then use that shape on the lighting layer, the result is a 3 sided figure  that does not block sight in one direction (usually SW unless rotated).

Example below: I have copied the lighting layer circle to the object layer for visibility.


August 16 (6 years ago)

Edited August 16 (6 years ago)
vÍnce
Pro
Sheet Author


Known limitation.

https://wiki.roll20.net/Dynamic_Lighting#How_to_Add_Light_Obstructions

Note: Presently, circles drawn with the Circle Tool do not render light blocking correctly. Instead of using circles, create a rounded shape with the Polygon Tool.

You'l just need to draw a hectogon. ;-P

August 16 (6 years ago)

Edited August 16 (6 years ago)
keithcurtis
Forum Champion
Marketplace Creator
API Scripter

The Dynamic Lighting Style Guide page warns against using circles:

A circle drawn on the Tabletop isn't represented by a series of segments, instead, it is a vector calculation that draws a spline between four vertices. Since there aren't any true segments used for a circle shape, there is nothing there for the Dynamic Lighting system to reliably ray-trace as you would expect regular linework on the Dynamic Lighting layer should. If you need a circular shape for your Dynamic Lighting, we recommend drawing it out as a rounded polygon instead.

Since you are a Pro user, there is a script floating around here available in the One-Click Library that will automatically turn ellipses into polygons: DLEllipseDrawer.

August 17 (6 years ago)

Edited August 17 (6 years ago)
The Aaron
Pro
API Scripter

Of course... I've got a script for that... https://app.roll20.net/forum/post/5582304/slug%7D

=D

Edit: I hadn't seen the DLEllipsDrawer before... I think mines a little easier to use, but either should be fine.