What it does
LightPointExists reads from a 3D object without changing it. It takes lightID (an integer), and answers an integer. lightID is the id of a Light object, obtained elsewhere in the 3D family.
Syntax
LightPointExists(lightID integer) → integerParameters
| Name | Type |
|---|---|
| lightID | integer |
Every form returns
integer
Example · generated
CreatePointLight(1, 100.0, 120.0, 100.0, 1.0, 255, 128, 128)DO Print(LightPointExists(1)) Sync()LOOPCreatePointLight is there to give the call something to act on; LightPointExists is the line that matters. The DO … LOOP is not decoration: a classic BASIC program ends the moment it runs out of lines, and Sync() is what draws the frame.