124 lines
2.3 KiB
C
124 lines
2.3 KiB
C
/*
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* Copyright (c) 1992,1993-1995 by Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: vector.h 1.9 1995/06/30 16:09:07 sam Exp $
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* $Locker: $
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*
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* Vector types
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*/
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#ifndef _VECTOR_H_
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#define _VECTOR_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Vector types
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*/
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typedef struct br_vector2 {
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br_scalar v[2];
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} br_vector2;
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typedef struct br_vector3 {
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br_scalar v[3];
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} br_vector3;
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typedef struct br_vector4 {
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br_scalar v[4];
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} br_vector4;
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/*
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* Integer vectors (used for integer bounding boxes)
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*/
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typedef struct br_vector2i {
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br_int_32 v[2];
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} br_vector2i;
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typedef struct br_vector3i {
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br_int_32 v[3];
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} br_vector3i;
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typedef struct br_vector4i {
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br_int_32 v[4];
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} br_vector4i;
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/*
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* Fraction vector types
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*/
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typedef struct br_fvector2 {
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br_fraction v[2];
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} br_fvector2;
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typedef struct br_fvector3 {
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br_fraction v[3];
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} br_fvector3;
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typedef struct br_fvector4 {
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br_fraction v[4];
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} br_fvector4;
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/*
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* General structures for describing an axis aligned bounds
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*/
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typedef struct br_bounds2 {
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br_vector2 min; /* Minimum corner */
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br_vector2 max; /* Maximum corner */
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} br_bounds2;
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typedef struct br_bounds3 {
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br_vector3 min; /* Minimum corner */
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br_vector3 max; /* Maximum corner */
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} br_bounds3;
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typedef struct br_bounds4 {
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br_vector4 min; /* Minimum corner */
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br_vector4 max; /* Maximum corner */
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} br_bounds4;
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/*
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* Integer bounding boxes
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*/
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typedef struct br_bounds2i {
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br_vector2i min; /* Minimum corner */
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br_vector2i max; /* Maximum corner */
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} br_bounds2i;
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typedef struct br_bounds3i {
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br_vector3i min; /* Minimum corner */
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br_vector3i max; /* Maximum corner */
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} br_bounds3i;
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typedef struct br_bounds4i {
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br_vector4i min; /* Minimum corner */
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br_vector4i max; /* Maximum corner */
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} br_bounds4i;
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/*
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* Backwards compatibility
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*/
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typedef struct br_bounds3 br_bounds;
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/*
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* Macros for static initialisation
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*/
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#define BR_VECTOR2(a,b) {BR_SCALAR(a),BR_SCALAR(b)}
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#define BR_VECTOR3(a,b,c) {BR_SCALAR(a),BR_SCALAR(b),BR_SCALAR(c)}
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#define BR_VECTOR4(a,b,c,d) {BR_SCALAR(a),BR_SCALAR(b),BR_SCALAR(c),BR_SCALAR(d)}
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#define BR_FVECTOR2(a,b) {BR_FRACTION(a),BR_FRACTION(b)}
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#define BR_FVECTOR3(a,b,c) {BR_FRACTION(a),BR_FRACTION(b),BR_FRACTION(c)}
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#define BR_FVECTOR4(a,b,c,d) {BR_FRACTION(a),BR_FRACTION(b),BR_FRACTION(c),BR_FRACTION(d)}
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#ifdef __cplusplus
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};
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#endif
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#endif
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