Swap yaw and pitch in camera computation. Add functions to convert view matrix to camera position, and camera position to camera yaw pitch roll.

examples/Importers/ImportURDFDemo/ImportURDFSetup.cpp

@@ -50,10 +50,10 @@ public:
 	virtual void resetCamera()
 	{
 		float dist = 3.5;
-		float pitch = -136;
-		float yaw = 28;
+		float pitch = -28;
+		float yaw = -136;
 		float targetPos[3]={0.47,0,-0.64};
-		m_guiHelper->resetCamera(dist,pitch,yaw,targetPos[0],targetPos[1],targetPos[2]);
+		m_guiHelper->resetCamera(dist,yaw,pitch,targetPos[0],targetPos[1],targetPos[2]);
 	}
 };