zydronium/SBSPSS
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Browse source
This commit is contained in:
Daveo 2000-10-27 00:06:19 +00:00
parent ee30817b75
commit 3d8fc3912c
10 changed files with 231 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

40
Utils/MapEdit/utils.cpp
View file

@ -8,6 +8,7 @@
#include <gl\glu.h>
#include <gl\glut.h>
#include "GLEnabledView.h"
#include "maths.h"
#include "Utils.H"
@ -115,3 +116,42 @@ void BuildGLQuad(float XMin,float XMax,float YMin,float YMax,float Z)
/**************************************************************************************/
/**************************************************************************************/
/**************************************************************************************/
void TNormalise(TVECTOR &V)
{
float SqMag = V.length2();// v.x * v.x + v.y * v.y + v.z * v.z;
if (SqMag> 0.001f)
{
float Mag = (float)sqrt( SqMag);
V/=Mag;
}
}
/**************************************************************************************/
TVECTOR TCrossProduct(TVECTOR const &V0,TVECTOR const &V1,const TVECTOR &V2 )
{
TVECTOR DV1, DV2;
TVECTOR Out;
DV1.X() = V1.X() - V0.X();
DV1.Y() = V1.Y() - V0.Y();
DV1.Z() = V1.Z() - V0.Z();
DV2.X() = V2.X() - V0.X();
DV2.Y() = V2.Y() - V0.Y();
DV2.Z() = V2.Z() - V0.Z();
Out.SetX( (DV1.Z() * DV2.Y()) - (DV1.Y() * DV2.Z()) );
Out.SetY( (DV1.X() * DV2.Z()) - (DV1.Z() * DV2.X()) );
Out.SetZ( (DV1.Y() * DV2.X()) - (DV1.X() * DV2.Y()) );
TNormalise(Out);
return Out;
}
/**************************************************************************************/
/**************************************************************************************/
/**************************************************************************************/