From cad1758bb8b092b804f9cc701aeb730e570b173b Mon Sep 17 00:00:00 2001 From: Stijn Buys Date: Sun, 28 Oct 2007 09:20:12 +0000 Subject: split degreesf into degrees180f and degrees360f --- src/common/functions.cc | 11 ++++++++++- src/common/functions.h | 5 ++++- 2 files changed, 14 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/common/functions.cc b/src/common/functions.cc index 7a01628..343084a 100644 --- a/src/common/functions.cc +++ b/src/common/functions.cc @@ -33,7 +33,7 @@ unsigned randomi(const unsigned int max) { return ((unsigned int)(rand() % max)); } -float degreesf(float angle) { +float degrees180f(float angle) { float r = angle; while (r <= -180.0f) r += 360.0f; @@ -42,6 +42,15 @@ float degreesf(float angle) { return r; } +float degrees360f(float angle) { + float r = angle; + while (r < 0.0f) + r += 360.0f; + while (r >= 360.0f) + r -= 360.0f; + return r; +} + float sgnf(float value) { if (value < 0 ) diff --git a/src/common/functions.h b/src/common/functions.h index d13fd17..18dfc82 100644 --- a/src/common/functions.h +++ b/src/common/functions.h @@ -42,7 +42,10 @@ unsigned int randomi(const unsigned int max); float sgnf(float value); /// return an angle in the ]-180,180] range -float degreesf(float angle); +float degrees180f(float angle); + +/// return an angle in the [0,360[ range +float degrees360f(float angle); } // namespace common -- cgit v1.2.3