9.5.2

364 • CHAPTER 7
OBJECTS MENU • LIGHTING • 365
Reference Size
When the Glow Distance Scale checkbox or the Reex Distance Scale checkbox is enabled, this setting
adjusts the distance value used to calculate the glow and reex effects. The lower the value, the more
distant (i.e. smaller) the effect appears. Increasing the value makes the effect appear closer.
Lens reexes normally have a constant size no matter how far away they are from the camera.
However, if for example you want a spaceship model to re torpedoes that pass under the camera,
the lens reexes and glows must become larger as the torpedoes near the camera.
Use Light Parameters
If this option is enabled, the properties dened on the light’s General page also affect the glow/reex
effects. For example, if the light source color is red then the glow/reex effect also appears red.
Fade If Behind Object
Enabling this option will determine whether light sources that lie behind objects will still produce
effects. Lens ares do not occur if light sources are behind objects, but glows or radiation can produce
pleasing effects.
Glow Distance Scale
If this option is enabled, the glow effect is scaled according to its distance from the camera. The
further away the glow is from the camera, the smaller the glow will be.
Fade If Near Border
Enabling this option will make the lens effect fade the closer it is to the edge of the image. The lens
effect will have maximum intensity when it is at the center of the screen. This corresponds to a light’s
physical behavior in the real world.
Fade If Approaching Object
Normally, if a light source with a lens effect starts to disappear behind an object, the effects are still
at maximum strength until the light source origin is fully behind the object. With this option enabled,
the effect’s strength gradually fades as the light source approaches the object.
A good example of this effect is the gradual fading of a sun behind a planet.