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26 lines
585 B
C
26 lines
585 B
C
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/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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/*
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======================================================================
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vecmat.h
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Basic vector and matrix functions.
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====================================================================== */
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#include <lwtypes.h>
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#define vecangle(a,b) (float)acos(dot(a,b)) /* a and b must be unit vectors */
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#ifdef __cplusplus
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extern "C" {
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#endif //__cplusplus
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float dot( LWFVector a, LWFVector b );
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void cross( LWFVector a, LWFVector b, LWFVector c );
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void normalize( LWFVector v );
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#ifdef __cplusplus
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}
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#endif //__cplusplus
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