49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
|
//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
|
|||
|
|
//
|
|||
|
|
// Purpose:
|
|||
|
|
//
|
|||
|
|
//=============================================================================//
|
|||
|
|
|
|||
|
|
#include "mathlib/vector.h"
|
|||
|
|
#include "bspfile.h"
|
|||
|
|
|
|||
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|||
|
|
#include "tier0/memdbgon.h"
|
|||
|
|
|
|||
|
|
void SetupLightNormalFromProps( const QAngle &angles, float angle, float pitch, Vector &output )
|
|||
|
|
{
|
|||
|
|
if (angle == ANGLE_UP)
|
|||
|
|
{
|
|||
|
|
output[0] = output[1] = 0;
|
|||
|
|
output[2] = 1;
|
|||
|
|
}
|
|||
|
|
else if (angle == ANGLE_DOWN)
|
|||
|
|
{
|
|||
|
|
output[0] = output[1] = 0;
|
|||
|
|
output[2] = -1;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// if we don't have a specific "angle" use the "angles" YAW
|
|||
|
|
if ( !angle )
|
|||
|
|
{
|
|||
|
|
angle = angles[YAW];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
output[2] = 0;
|
|||
|
|
output[0] = (float)cos (angle/180*M_PI);
|
|||
|
|
output[1] = (float)sin (angle/180*M_PI);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ( !pitch )
|
|||
|
|
{
|
|||
|
|
// if we don't have a specific "pitch" use the "angles" PITCH
|
|||
|
|
pitch = angles[PITCH];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
output[2] = (float)sin(pitch/180*M_PI);
|
|||
|
|
output[0] *= (float)cos(pitch/180*M_PI);
|
|||
|
|
output[1] *= (float)cos(pitch/180*M_PI);
|
|||
|
|
}
|
|||
|
|
|