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lalien
43ca24dda8
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@1871 3b4a5df2-a311-0410-b5c6-a8a6f20db521
65 lines
1.1 KiB
C
65 lines
1.1 KiB
C
#ifndef __PHYS_MATH_H
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#define __PHYS_MATH_H
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// explicit dependencies
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#include <math.h> // for sqrt
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#include <float.h>
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typedef float real;
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#define REAL_MAX FLT_MAX
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#define REAL_MIN FLT_MIN
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#define PI2 3.14159265358979323846
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#define Epsilon2 0.00001
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typedef struct
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{
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real x, y, z;
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} vector_3;
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typedef struct
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{
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real aElements[3][3];
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} matrix_3x3;
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// DEFINES
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#define RADIANS_FROM( d ) ( ( d * PI2 ) / 180 )
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#define DEGREES_FROM( r ) ( ( r * 180 ) / PI2 )
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#ifdef __cplusplus
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extern "C" {
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#endif
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vector_3 VSetEqual( vector_3 *a );
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vector_3 VSubtract( vector_3 *a, vector_3 *b );
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vector_3 VAdd( vector_3 *a, vector_3 *b );
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vector_3 VMultScalar( vector_3 *a, real b );
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vector_3 VDivScalar( vector_3 *a, real b );
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real VDotProduct( vector_3 *a, vector_3 *b );
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real VPerpDotProduct( vector_3 *a, vector_3 *b );
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vector_3 VGetPerpendicular( vector_3 *a );
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real VGetLength( vector_3 *a );
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vector_3 VGetNormal( vector_3 *a );
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vector_3 VCrossProduct( vector_3 *a, vector_3 *b );
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#ifdef __cplusplus
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}
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#endif
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#endif
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