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Set the target object that will be lit by our light.
entity_to_light could be a handle to a group an object or a polygon.
The default entity is the whole world (NULL)
To make the function STATE_light_activate() you should change it to illuminate just the
the entity that needs lighting.
Examples:
A)
STATE_light_set_entity_to_light(my_light, polyogn_handle);
In this case when the light will be activated it will only influence
the given polygon.
B)
STATE_light_set_entity_to_light(my_light, NULL);
NULL is a valid group_handle. It means the whole world
In this case when the light will be activated it will influence
the whole world.
C)
STATE_light_set_entity_to_light(my_light, chair_group_handle);
When the light will be activated it will only light the chair
This is a nice way to paint a specific item in the world.
Returns OK or VR_ERROR
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