rq3/reaction
0
0
Fork 0
mirror of https://github.com/ReactionQuake3/reaction.git synced 2025-03-13 22:22:13 +00:00
Code Issues Projects Releases Packages Wiki Activity

reflection byte function for sparks

Browse source
This commit is contained in:
Bryce Hutchings 2002-05-27 06:57:16 +00:00
parent d95c1fe209
commit 7a8fcb55f3
2 changed files with 16 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
reaction/game/q_math.c
View file

@ -5,6 +5,9 @@
//-----------------------------------------------------------------------------
//
// $Log$
// Revision 1.6 2002/05/27 06:55:02 niceass
// reflection byte function for sparks
//
// Revision 1.5 2002/01/11 19:48:30 jbravo
// Formatted the source in non DOS format.
//
@ -1298,4 +1301,13 @@ void PerpendicularVector( vec3_t dst, const vec3_t src )
VectorNormalize( dst );
}
// By NiceAss. Used for reflection of sparks on metal surfaces
int ReflectVectorByte(vec3_t dir, vec3_t plane) {
vec3_t final;
float dot;
dot = DotProduct( dir, plane );
VectorMA( dir, -2*dot, plane, final );
return DirToByte(final);
}

5
reaction/game/q_shared.h
View file

@ -5,6 +5,9 @@
//-----------------------------------------------------------------------------
//
// $Log$
// Revision 1.8 2002/05/27 06:57:16 niceass
// reflection byte function for sparks
//
// Revision 1.7 2002/01/11 19:48:30 jbravo
// Formatted the source in non DOS format.
//
@ -765,7 +768,7 @@ void MakeNormalVectors( const vec3_t forward, vec3_t right, vec3_t up );
void MatrixMultiply(float in1[3][3], float in2[3][3], float out[3][3]);
void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up);
void PerpendicularVector( vec3_t dst, const vec3_t src );
int ReflectVectorByte(vec3_t dir, vec3_t plane);
//=============================================