X3D4WA, X3D for Web Authors Examples Archive, Chapter 11 Lighting Environmental Effects

X3D Example Archives: X3D4WA, X3D for Web Authors, Chapter 11 Lighting Environmental Effects

Light nodes make the appearance of geometry visible and viewable in a scene.

Lights illuminate geometry in a scene relative to the user's view. Lighting nodes include DirectionalLight, PointLight, SpotLight, and the active NavigationInfo headlight (which points along the user's viewing direction).

Environmental effects include Background, TextureBackground, Fog and LocalFog. Each set of light nodes, NavigationInfo nodes, background nodes and fog nodes are bound on a separate binding stack, meaning that only one of each can be active at a time.

The supporting Chapter 11 slideset and course videos (NPS, YouTube) for X3D for Web Authors are available online via X3dGraphics.com.

15 X3D Models		X3D Model Descriptions
	Background Colors Only	Added a Background node to the KelpForest world.
	Background Images Only	Simple Background node with images only.
	Background Kelp Forest Main	Added a Background node to the KelpForest world.
	Background Selector	Select one of four Background nodes to show a time-of-day effect.
	Background Sequencer	Cycle through four Background nodes to show a time-of-day effect.
	Background Time Of Day	Interpolate between Background color arrays to show a gradually changing time-of-day effect.
	Directional Light Example	An example of the DirectionalLight node showing no shadows on the lit geometry.
	Fog Kelp Forest Main	Added fog to the KelpForest world to simulate the typical weather pattern in June in Monterey, CA.
	Point Light Color	Example of a PointLight node showing the effect of distance on lighting of geometry.
	Point Light Example	Two examples of scoped PointLight nodes showing the effects of distance on lit geometry. Faceted IndexedFaceSet is on the left, simple Box on the right.
	Spot Light Color	Example of SpotLight showing effect of varying light colors on appearance
	Spot Light Example	Example SpotLight node showing effects of beamWidth and cutOffAngle
	Spot Light Visualization	Create outline geometry to show SpotLight coverage. Author TODO: use the X3D-Edit SpotLight editor to modify and re-visualize the first SpotLight.
	Texture Background Example	Simple TextureBackground node with images only.
	Texture Background Kelp Forest Main	Added an image panorama with the Background node to the Kelp Forest world.

The X3D Resources: Examples page and Savage Developers Guide provide more information about the production of this archive.