Viewpoint Slideshow: VRML 2 Sourcebook X3D Examples Archive, Chapter 20

X3D Example Archives: VRML 2 Sourcebook, Chapter 20 - Lighting

[1] Figure20.04HeadlightSpheres.x3d - Spheres

Chapter Viewpoint Slideshow

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.

20 X3D Scenes	38 Viewpoint Snapshots
Figure 20.04 Headlight Spheres	[1] Figure20.04HeadlightSpheres.x3d - Spheres [2] Figure20.04HeadlightSpheres.x3d - (default X3D view from 0 0 10)
Figure 20.05 Flat Mesh	[3] Figure20.05FlatMesh.x3d - Flat mesh [4] Figure20.05FlatMesh.x3d - (default X3D view from 0 0 10)
Figure 20.06a Point Light Spheres	[5] Figure20.06aPointLightSpheres.x3d - PointLight at center of spheres. Note that light rays pass through geometry. [6] Figure20.06aPointLightSpheres.x3d - (default X3D view from 0 0 10)
Figure 20.06b Point Light Spheres Intensity	[7] Figure20.06bPointLightSpheresIntensity.x3d - PointLight at center of spheres. Note that light rays pass through geometry. [8] Figure20.06bPointLightSpheresIntensity.x3d - (default X3D view)
Figure 20.07 Point Light Spheres Attenuation	[9] Figure20.07PointLightSpheresAttenuation.x3d - PointLight at center of spheres. Note that light rays pass through geometry. [10] Figure20.07PointLightSpheresAttenuation.x3d - (default X3D view)
Figure 20.08 Point Light Spheres Small Radius	[11] Figure20.08PointLightSpheresSmallRadius.x3d - PointLight at center of spheres. Note that light rays pass through geometry. [12] Figure20.08PointLightSpheresSmallRadius.x3d - (default X3D view)
Figure 20.09 Glowing Orb Archways Exhibit	[13] Figure20.09GlowingOrbArchwaysExhibit.x3d - hello orb [14] Figure20.09GlowingOrbArchwaysExhibit.x3d - (default X3D view)
Figure 20.10 Blinking Red Lightbulb	[15] Figure20.10BlinkingRedLightbulb.x3d - Blinking red light bulb [16] Figure20.10BlinkingRedLightbulb.x3d - (default X3D view from 0 0 10)
Figure 20.11a Directional Light Aiming Right Through Spheres	[17] Figure20.11aDirectionalLightAimingRightThroughSpheres.x3d - DirectionalLight shining parallel rays to right. No location, light source is infinitely distant. [18] Figure20.11aDirectionalLightAimingRightThroughSpheres.x3d -
Figure 20.11b Directional Light Aiming Upper Right Through Spheres	[19] Figure20.11bDirectionalLightAimingUpperRightThroughSpheres.x3d - DirectionalLight shining parallel rays to right. No location, light source is infinitely distant. [20] Figure20.11bDirectionalLightAimingUpperRightThroughSpheres.x3d -
Figure 20.12 Two Directional Lights Aiming Left Right Through Spheres	[21] Figure20.12TwoDirectionalLightsAimingLeftRightThroughSpheres.x3d - DirectionalLight shining parallel rays to right. No location, light source is infinitely distant. [22] Figure20.12TwoDirectionalLightsAimingLeftRightThroughSpheres.x3d -
Figure 20.13a Directional Light Sunrise	[23] Figure20.13aDirectionalLightSunrise.x3d - Cue the sunrise, stage right [24] Figure20.13aDirectionalLightSunrise.x3d - (default X3D view)
Figure 20.13b Directional Light Noon	[25] Figure20.13bDirectionalLightNoon.x3d - 12 o'clock high without a shadow... [26] Figure20.13bDirectionalLightNoon.x3d - (default X3D view from 0 0 10)
Figure 20.13c Directional Light Sunset	[27] Figure20.13cDirectionalLightSunset.x3d - Exit sun, stage left [28] Figure20.13cDirectionalLightSunset.x3d - (default X3D view)
Figure 20.14 Directional Light Sun Animated	[29] Figure20.14DirectionalLightSunAnimated.x3d - Sunlight animation [30] Figure20.14DirectionalLightSunAnimated.x3d - (default X3D view)
Figure 20.15a Spot Light Spheres	[31] Figure20.15aSpotLightSpheres.x3d - SpotLight shining a cone of light rays to right. [32] Figure20.15aSpotLightSpheres.x3d - (default X3D view from 0 0 10)
Figure 20.15b Wide Angle Spot Light Spheres	[33] Figure20.15bWideAngleSpotLightSpheres.x3d - SpotLight shining a cone of light rays to right. [34] Figure20.15bWideAngleSpotLightSpheres.x3d - (default X3D view)
Figure 20.16 Spot Light Beam Width Comparison	[35] Figure20.16SpotLightBeamWidthComparison.x3d - SpotLights shining on meshes, outer cone 45 degrees. Inner cone varies 90 to 45 to 5 degrees. [36] Figure20.16SpotLightBeamWidthComparison.x3d - SpotLight beam differences are more pronounced at narrow angles [37] Figure20.16SpotLightBeamWidthComparison.x3d - (default X3D view)
Figure 20.17a Simple World No Shadows	[38] Figure20.17aSimpleWorldNoShadows.x3d - Simple sphere scene [39] Figure20.17aSimpleWorldNoShadows.x3d - Simple sphere scene seen from +X axis [40] Figure20.17aSimpleWorldNoShadows.x3d - (default X3D view from 0 0 10)
Figure 20.17b Simple World Fake Shadows	[41] Figure20.17bSimpleWorldFakeShadows.x3d - Fake showdows in simple sphere scene [42] Figure20.17bSimpleWorldFakeShadows.x3d - Simple sphere scene seen from +X axis [43] Figure20.17bSimpleWorldFakeShadows.x3d - (default X3D view)