STATE_light_set_type_of_light

 

 



   Constant values for type_of_light (The values could be ored together e.g LIGHT_DIRECTIONAL | LIGHT_AMBIENT
#define LIGHT_DIRECTIONAL 1
#define LIGHT_EFFECTED_BY_DISTANCE_LINEAR 2
#define LIGHT_EFFECTED_BY_DISTANCE_SQUARE 4
#define LIGHT_AMBIENT 8
#define LIGHT_DIFFUSE 16
#define LIGHT_SPECULAR 32

  In most cases you will probably use one of the two combinations below
#define LIGHT_DEFAULT (LIGHT_EFFECTED_BY_DISTANCE_LINEAR | LIGHT_AMBIENT |LIGHT_DIFFUSE | LIGHT_SPECULAR)
#define LIGHT_DEFAULT_POINTED_LIGHT (LIGHT_DIRECTIONAL | LIGHT_EFFECTED_BY_DISTANCE_LINEAR | LIGHT_AMBIENT |LIGHT_DIFFUSE | LIGHT_SPECULAR)
#define LIGHT_DEFAULT_FAST (LIGHT_EFFECTED_BY_DISTANCE_LINEAR | LIGHT_AMBIENT |LIGHT_DIFFUSE )
#define LIGHT_DEFAULT_SUPER_FAST (LIGHT_EFFECTED_BY_DISTANCE_LINEAR | LIGHT_AMBIENT)
   The type of light can be combined from the following options 
   LIGHT_DIRECTIONAL
  		Denote that the light is directional. The direction could be set by STATE_light_set_direction()
   LIGHT_EFFECTED_BY_DISTANCE_LINEAR 
  		The light is reduced according to the distance from the light source location
  		The reduction is linear
  		This flag is included in the default light type though
  		NOTE that in order to feel its effect you have first to define the light source
  		maximum reach. Do that with STATE_light_set_distance_reach()
   LIGHT_EFFECTED_BY_DISTANCE_SQUARE 
  		The effect is that the light reduction is small near the light sourse and very strong
  		near the end of the light reach area
   LIGHT_AMBIENT 8
  		If this flag is not set then the ambient light component will not be used
   LIGHT_DIFFUSE 16
  		If this flag is not set then the diffuse light component will not be used
   LIGHT_SPECULAR 32
  		If this flag is not set then the ambient light component will not be used
  In most cases you will probably use one of the two combinations below
   LIGHT_DEFAULT (LIGHT_EFFECTED_BY_DISTANCE_LINEAR | LIGHT_AMBIENT |LIGHT_DIFFUSE | LIGHT_SPECULAR)
   LIGHT_DEFAULT_POINTED_LIGHT (LIGHT_DIRECTIONAL | LIGHT_EFFECTED_BY_DISTANCE_LINEAR | LIGHT_AMBIENT |LIGHT_DIFFUSE | LIGHT_SPECULAR)
  
   The default light type is LIGHT_DEFAULT
   Example A:
  		  Setting a directional light
  		STATE_light_set_type_of_light(my_light,LIGHT_DEFAULT_POINTED_LIGHT);
   Example B:
  		  using LIGHT_EFFECTED_BY_DISTANCE_SQUARE
  		STATE_light_set_type_of_light(my_light, LIGHT_DIRECTIONAL | LIGHT_EFFECTED_BY_DISTANCE_SQUARE | LIGHT_AMBIENT |LIGHT_DIFFUSE | LIGHT_SPECULAR);

 

 

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