From 623fc8c73de35bef0785f09bae8a3f607f8ed087 Mon Sep 17 00:00:00 2001 From: Wolfgang Draxinger Date: Fri, 27 Apr 2012 20:43:08 +0200 Subject: qt_terr - a simple quadtree based terrain renderer with LOD --- samples/OpenGL/qt_terr/vecmath.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 samples/OpenGL/qt_terr/vecmath.h (limited to 'samples/OpenGL/qt_terr/vecmath.h') diff --git a/samples/OpenGL/qt_terr/vecmath.h b/samples/OpenGL/qt_terr/vecmath.h new file mode 100644 index 0000000..0c27eff --- /dev/null +++ b/samples/OpenGL/qt_terr/vecmath.h @@ -0,0 +1,16 @@ +#ifndef VECMATH_H +#define VECMATH_H + +double DOT(double a[3], double b[3]); + +void ADD(double out[3], double a[3], double b[3]); + +void SUB(double out[3], double a[3], double b[3]); + +void SCALE(double out[3], double v[3], double scalar); + +double length(double v[3]); + +void normalize(double out[3], double in[3]); + +#endif/*VECMATH_H*/ -- cgit v1.2.3