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Package Vrml2Sourcebook.Chapter20Lighting

Lights provide virtual illumination that allows objects to be seen.

See: Description

Package Vrml2Sourcebook.Chapter20Lighting Description

Lights provide virtual illumination that allows objects to be seen.

Figure 20.06b Point Light Spheres Intensity

Figure 20.13a Directional Light Sunrise

By default, you have one light in the scene, attached to your head. For more realism, you can add multiple lights: suns, light bulbs, candles, flashlights, spotlights, firelight. Lights can be positioned, oriented, and colored. Lights do not cast shadows.

There are three types of lights: PointLight, DirectionalLight, and SpotLight. All lights have an on/off, intensity, ambient effect, and color fields. PointLight and SpotLight nodes have a location, radius, and attenuation. DirectionalLight and SpotLight nodes have a direction.

These X3D scenes are adapted directly from the original VRML 2.0 Sourcebook chapter examples. Also available: Introduction to VRML97 SIGGRAPH98 course notes.

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