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-rw-r--r--archive/hgehelp/hgevector.cpp69
1 files changed, 0 insertions, 69 deletions
diff --git a/archive/hgehelp/hgevector.cpp b/archive/hgehelp/hgevector.cpp
deleted file mode 100644
index 921f7b7..0000000
--- a/archive/hgehelp/hgevector.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
-** Haaf's Game Engine 1.7
-** Copyright (C) 2003-2007, Relish Games
-** hge.relishgames.com
-**
-** hgeVector helper class implementation
-*/
-
-
-#include "hgevector.h"
-
-float InvSqrt(float x)
-{
- union
- {
- int intPart;
- float floatPart;
- } convertor;
-
- convertor.floatPart = x;
- convertor.intPart = 0x5f3759df - (convertor.intPart >> 1);
- return convertor.floatPart*(1.5f - 0.4999f*x*convertor.floatPart*convertor.floatPart);
-}
-
-/*
-hgeVector *hgeVector::Normalize()
-{
- float lenRcp;
-
- lenRcp=sqrtf(Dot(this));
-
- if(lenRcp)
- {
- lenRcp=1.0f/lenRcp;
-
- x*=lenRcp;
- y*=lenRcp;
- }
-
- return this;
-}
-*/
-
-float hgeVector::Angle(const hgeVector *v) const
-{
- if(v)
- {
- hgeVector s=*this, t=*v;
-
- s.Normalize(); t.Normalize();
- return acosf(s.Dot(&t));
- }
- else return atan2f(y, x);
-}
-
-hgeVector *hgeVector::Rotate(float a)
-{
- hgeVector v;
-
- v.x=x*cosf(a) - y*sinf(a);
- v.y=x*sinf(a) + y*cosf(a);
-
- x=v.x; y=v.y;
-
- return this;
-}
-
-
-