[FIX] auto skin calibration in game scene

src/computervision/hand_detect_region.cpp

@@ -56,10 +56,8 @@ namespace computervision
 
 				if (!skin_calibrated)
 				{
-					skin_detector.calibrate(input_frame);
-					skin_calibrated = true;
-					hand_calibrator.SetSkinCalibration(skin_calibrated);
-					time = 0;
+					if (is_main_skin_detection_region)
+						skin_timer_callback();
 				}
 			}
 
@@ -135,6 +133,8 @@ namespace computervision
 	{
 		std::cout << "calibrating skin " << region_id << std::endl;
 		hand_calibrator.SetSkinCalibration(true);
+		skin_calibrated = true;
+		time = 0;
 		return skin_detector.calibrateAndReturn(frame_out);
 	}
 
@@ -143,6 +143,8 @@ namespace computervision
 		std::cout << "setting skin " << region_id << std::endl;
 		skin_detector.setTresholds(tresholds);
 		hand_calibrator.SetSkinCalibration(true);
+		skin_calibrated = true;
+		time = 0;
 	}
 
 	void HandDetectRegion::UpdateTime(float delta_time)

src/computervision/hand_detect_region.h

@@ -39,6 +39,8 @@ namespace computervision
 
 		void setSkinTresholds(std::vector<int>& tresholds);
 		void UpdateTime(float delta_time);
+		void SetMainSkinDetecRegion(bool val) { is_main_skin_detection_region = val; };
+		void SetSkinTimerCallback(std::function<void()> fun) { skin_timer_callback = fun; };
 
 	private:
 
@@ -61,6 +63,8 @@ namespace computervision
 
 		bool background_calibrated = false;
 		bool skin_calibrated = false;
+		bool is_main_skin_detection_region = false;
+		std::function<void()> skin_timer_callback;