### Fog Info Availability LightWave® 6.0 Component Layout Header lwrender.h The fog info global returns information about the fog settings for the scene. The parameters are read-only, but you can set them using commands. Global Call
       LWFogInfo *foginfo;
       foginfo = global( LWFOGINFO_GLOBAL, GFUSE_TRANSIENT );
The global function returns a pointer to an LWFogInfo.
       typedef struct st_LWFogInfo {
          int     type;
          int     flags;
          double (*minDist) (LWTime);
          double (*maxDist) (LWTime);
          double (*minAmt)  (LWTime);
          double (*maxAmt)  (LWTime);
          void   (*color)   (LWTime, double col[3]);
       } LWFogInfo;
  `type` The fog type. Generally this identifies the falloff function used to interpolate the fog level at distances between `minDist` and `maxDist`. Possible types are
      LWFOG_NONE
      LWFOG_LINEAR
      LWFOG_NONLINEAR1
      LWFOG_NONLINEAR2
`flags` Fog-related flags. Currently the only flag defined for this field is `LWFOGF_BACKGROUND`, which indicates that fog will affect the backdrop. `amount = minDist( time )` Returns the distance from the viewer (typically the camera) at which the fog effect is at a minimum. `amount = maxDist( time )` Returns the distance at which the fog effect reaches its maximum. `amount = minAmt( time )` Returns the minimum amount of fog (the amount at the minimum distance). Fog amounts range from 0.0 to 1.0. `amount = maxAmt( time )` Returns the maximum amount of fog. `color( time, rgb )` The color of the fog. Example This code fragment uses Fog Info to determine whether a point at distance `d` is in fog at time `t`.
       #include <lwserver.h>
       #include <lwrender.h>

       LWFogInfo *foginfo;

       foginfo = global( LWFOGINFO_GLOBAL, GFUSE_TRANSIENT );
       if ( foginfo ) {
          if ( foginfo->type != LWFOG_NONE ) {
             if ( d >= foginfo->minDist( t )) {
                ...d is in fog