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41 lines
1.2 KiB
41 lines
1.2 KiB
//========= Copyright (c) 1996-2002, Valve LLC, All rights reserved. ============ |
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// |
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// Purpose: |
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// |
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// $NoKeywords: $ |
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//============================================================================= |
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#pragma once |
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#if !defined( STUDIO_UTIL_H ) |
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#define STUDIO_UTIL_H |
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#ifndef M_PI |
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#define M_PI 3.14159265358979323846 // matches value in gcc v2 math.h |
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#endif |
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#ifndef M_PI_F |
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#define M_PI_F (float)M_PI |
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#endif |
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#ifndef PITCH |
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// MOVEMENT INFO |
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// up / down |
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#define PITCH 0 |
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// left / right |
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#define YAW 1 |
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// fall over |
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#define ROLL 2 |
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#endif |
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#define FDotProduct( a, b ) ( fabs( ( a[0] ) * ( b[0] ) ) + fabs( ( a[1] ) * ( b[1] ) ) + fabs( ( a[2] ) * ( b[2] ) ) ) |
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void AngleMatrix( const float *angles, float (*matrix)[4] ); |
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int VectorCompare( const float *v1, const float *v2 ); |
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void CrossProduct( const float *v1, const float *v2, float *cross ); |
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void VectorTransform( const float *in1, float in2[3][4], float *out ); |
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void ConcatTransforms( float in1[3][4], float in2[3][4], float out[3][4] ); |
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void MatrixCopy( float in[3][4], float out[3][4] ); |
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void QuaternionMatrix( vec4_t quaternion, float (*matrix)[4] ); |
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void QuaternionSlerp( vec4_t p, vec4_t q, float t, vec4_t qt ); |
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void AngleQuaternion( float *angles, vec4_t quaternion ); |
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#endif // STUDIO_UTIL_H
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