add macro for calculating radians (#317)

* feat: add macro for calculating radians * style: silence unused variable warning * remove unnecessary float cast in macro
SlimeVR · Jun 28, 2024 · e04d269 · e04d269
1 parent 2d2b21f
commit e04d269
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/src/consts.h b/src/consts.h
@@ -83,10 +83,13 @@
 // PPS: 650 @ 5+1, 650 @ 5+3
 #define PACKET_BUNDLING_BUFFERED 2
 
-#define DEG_0 0.f
-#define DEG_90 -PI / 2
-#define DEG_180 PI
-#define DEG_270 PI / 2
+// Get radian for a given angle from 0° to 360° (2*PI*r, solve for r given an angle, range -180° to 180°)
+#define DEG_X(deg) ((((deg) < 180.0f ? 0 : 360.0f) - (deg)) * PI / 180.0f)
+
+#define DEG_0 DEG_X(0.0f)
+#define DEG_90 DEG_X(90.0f)
+#define DEG_180 DEG_X(180.0f)
+#define DEG_270 DEG_X(270.0f)
 
 #define CONST_EARTH_GRAVITY 9.80665
 

diff --git a/src/network/connection.cpp b/src/network/connection.cpp
@@ -547,7 +547,7 @@ void Connection::searchForServer() {
 		}
 
 		// receive incoming UDP packets
-		int len = m_UDP.read(m_Packet, sizeof(m_Packet));
+		int len __attribute__((unused)) = m_UDP.read(m_Packet, sizeof(m_Packet));
 
 #ifdef DEBUG_NETWORK
 		m_Logger.trace(