[Solved] Sketchup Model Import Shadow/Lighting Issues

[OHC493]

Please bear with me as I’m just now delving into Unity as of this morning.

I work in the architectural design industry and frequently use V-ray + Sketchup to create renderings. I’m in the process of experimenting with Unity to see how easy it will be for me to create realtime walk-thrus/animation and possibly VR w/ the Vive later on down the road.

Importing the Sketchup model and materials into Unity was a breeze. I used to play with Hammer/Source about a decade ago and I’m amazed at how far things have come and how user friendly this is.

But on to my issue: After importing my model, I’ve noticed that the shadows are not displaying properly. I’m thinking it is a modeling issue but I’m not sure. Also, my shadows all seem to be giving off a bright yellow hue. Not even sure where to begin with this. I have been playing with some light parameters, but nothing seems to help. Also, baking light maps does not seem to produce any effect at all.

I’ve attached a shot of my model in sketchup, from the unity editor, in-game, and a render I did in v-ray just for comparison.

Edit: The issue with geometry giving off a yellow hue seems to have been solved by updating to the latest version.

[bgolus]

By default Unity doesn’t cast shadows from one sided faces. You can override this behavior by selecting the object’s renderer component and changing the “Cast Shadows” to “Two Sided”, but you’ll get some significant light leaking. The real solution is to build external walls. They don’t have to be complex, just big flat walls with the windows cut out.

[OHC493]

Awesome, thanks.

[Stardog]

Also, you can select the walls you build, go to the Mesh Renderer component and set it from “On” to “Shadows Only” so they’ll be invisible, but still block light.