Idk

helper.py

@@ -1,6 +1,21 @@
 import numpy as np
+import cv2
 
 # ----- Helper Functions -----
 def compute_distance(p1, p2):
     return np.hypot(p2[0] - p1[0], p2[1] - p1[1])
 
+# 4) compute straightness per finger
+def finger_straight(i_tip, i_pip, i_mcp):
+    d1 = np.hypot(*(np.array(i_tip)-np.array(i_pip)))
+    d2 = np.hypot(*(np.array(i_pip)-np.array(i_mcp)))
+    return float(np.clip(d1/(d2+1e-3), 0, 1))
+
+def yes_no():
+    while True:
+        key = cv2.waitKey(1) & 0xFF
+
+        if key == ord("y"):
+            return True
+        if key == ord("n"):
+            return False