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"LW Backdrop Info"Availability: LightWave 6.0 The backdrop info global returns a function that evaluates the color of the backdrop in a specific direction at a given time. The information returned by this function is read-only. Global Call LWBackdropInfo *bkdropinfo; bkdropinfo = global( "LW Backdrop Info", GFUSE_TRANSIENT ); The global function returns a pointer to an LWBackdropInfo. typedef struct st_LWBackdropInfo { void (*backdrop) (LWTime, const double ray[3], double color[3]); } LWBackdropInfo; Note that this is a structure containing one member, a pointer to the information function. It's not the function itself. The structure allows for future expansion.
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