Apologies in advance for the noob question.
Got the prefab in the asset store of trees. They seem fine in the scene until I use them.
I’m using VR ( Rift), and from the Scene perspective trees look normal ( when being viewed top down )
However, for this program, I want to look up at the trees in VR and when I do that they stop rendering the leaves and the shader - they look like green skele-trees.
I’m not sure if this is an issue with the model, the graphics for the model ( shaders?), or VR…but all my other environments are fine, it’s just these trees that are not being cool.
It could be that the leaves are one-sided (i,e, they could have a top and no bottom). Unity’s regular shaders will typically only render triangles that face toward the camera. In that case you’d need a special shader that has this feature turned-off. Then it will render the geometry regardless of how they are oriented.
I’m pretty sure that Unity has a one-sided foliage shader for the Built-in renderer (might be in one of the old Standard Assets packages. I can’t remember). If you’re using URP, you should just be able to make a standard-lighting-model shader in Shader Graph and simply turn off back-face culling.