New example, loading glTF scenes instead of individual OBJ. Showing simple path tracing and how to make it 3x faster.

ray_tracing_gltf/shaders/raytraceShadow.rmiss

@@ -0,0 +1,9 @@
+#version 460
+#extension GL_EXT_ray_tracing : require
+
+layout(location = 1) rayPayloadInEXT bool isShadowed;
+
+void main()
+{
+  isShadowed = false;
+}