math_vector.cpp File Reference

#include "math_vector.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>

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Defines
#define	LERP_DELTA   1e-6
#define	M_PI   3.14159265358979323846
Functions
idVec3_t	LerpVector (idVec3_t &w1, idVec3_t &w2, const float t)
Variables
Bounds	boundsZero
idVec3_t	vec_zero (0.0f, 0.0f, 0.0f)

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Define Documentation

#define LERP_DELTA   1e-6

Definition at line 35 of file math_vector.cpp.

#define M_PI   3.14159265358979323846

Definition at line 33 of file math_vector.cpp.

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Function Documentation

idVec3_t LerpVector (  idVec3_t &  w1, idVec3_t &  w2, const float  t )

Definition at line 107 of file math_vector.cpp. References acos(), sin(), and t. { float omega, cosom, sinom, scale0, scale1; cosom = w1 * w2; if ( ( 1.0 - cosom ) > LERP_DELTA ) { omega = acos( cosom ); sinom = sin( omega ); scale0 = sin( ( 1.0 - t ) * omega ) / sinom; scale1 = sin( t * omega ) / sinom; } else { scale0 = 1.0 - t; scale1 = t; } return ( w1 * scale0 + w2 * scale1 ); }

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Variable Documentation

Bounds boundsZero

Definition at line 39 of file math_vector.cpp.

idVec3_t vec_zero(0.0f, 0.0f, 0.0f)

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