67 lines
1.0 KiB
C
67 lines
1.0 KiB
C
/*
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* Copyright (c) 1993-1995 by Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: light.h 1.6 1995/05/25 13:37:32 sam Exp $
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* $Locker: $
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*
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* Definitons for a light
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*/
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#ifndef _LIGHT_H_
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#define _LIGHT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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/*
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* Type of light
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*/
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BR_LIGHT_TYPE = 0x0003,
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BR_LIGHT_POINT = 0x0000,
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BR_LIGHT_DIRECT = 0x0001,
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BR_LIGHT_SPOT = 0x0002,
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/*
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* Flag idicating that caluculations are done in view space
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*/
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BR_LIGHT_VIEW = 0x0004
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};
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typedef struct br_light {
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/*
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* Optional identifier
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*/
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char *identifier;
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/*
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* Type of light
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*/
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br_uint_8 type;
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/*
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* Colour of light (if renderer supports it)
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*/
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br_colour colour;
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/*
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* Attenuation of light with distance - constant, linear, and quadratic
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* l & q only apply to point and spot lights
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*/
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br_scalar attenuation_c;
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br_scalar attenuation_l;
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br_scalar attenuation_q;
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/*
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* Cone angles for spot light
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*/
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br_angle cone_outer;
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br_angle cone_inner;
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} br_light;
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#ifdef __cplusplus
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};
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#endif
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#endif
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