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-rw-r--r--src/core/General.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/core/General.h b/src/core/General.h
index fe277689..12f781d4 100644
--- a/src/core/General.h
+++ b/src/core/General.h
@@ -96,6 +96,21 @@ public:
}
}
+ // should return direction in 0-8 range. fits perfectly to peds' path directions.
+ static int CGeneral::GetNodeHeadingFromVector(float x, float y)
+ {
+ float angle = CGeneral::GetRadianAngleBetweenPoints(x, y, 0.0f, 0.0f);
+ if (angle < 0.0f)
+ angle += TWOPI;
+
+ angle = DEGTORAD(22.5f) + TWOPI - angle;
+
+ if (angle >= TWOPI)
+ angle -= TWOPI;
+
+ return (int)floorf(angle / DEGTORAD(45.0f));
+ }
+
// not too sure about all these...
static uint16 GetRandomNumber(void)
{ return myrand() & MYRAND_MAX; }