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handgesture-main.py
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handgesture-main.py
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import cv2
import numpy as np
import time
import bpy
import random
#Open Camera object
cap = cv2.VideoCapture(0)
def nothing(x):
pass
# Function to find angle between two vectors
def Angle(v1,v2):
dot = np.dot(v1,v2)
x_modulus = np.sqrt((v1*v1).sum())
y_modulus = np.sqrt((v2*v2).sum())
cos_angle = dot / x_modulus / y_modulus
angle = np.degrees(np.arccos(cos_angle))
return angle
# Function to find distance between two points in a list of lists
def FindDistance(A,B):
return np.sqrt(np.power((A[0][0]-B[0][0]),2) + np.power((A[0][1]-B[0][1]),2))
def runcam():
ret,img = cap.read()
gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
blur = cv2.GaussianBlur(gray,(5,5),0)
ret,thresh1 = cv2.threshold(blur,70,255,cv2.THRESH_BINARY_INV+cv2.THRESH_OTSU)
contours, hierarchy = cv2.findContours(thresh1,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
drawing = np.zeros(img.shape,np.uint8)
max_area=0
for i in range(len(contours)):
cnt=contours[i]
area = cv2.contourArea(cnt)
if(area>max_area):
max_area=area
ci=i
cnt=contours[ci]
hull = cv2.convexHull(cnt)
prev_hull = cv2.convexHull(cnt)
prev_cnt = cnt
moments = cv2.moments(cnt)
if moments['m00']!=0:
cx = int(moments['m10']/moments['m00']) # cx = M10/M00
cy = int(moments['m01']/moments['m00']) # cy = M01/M00
centr=(cx,cy)
bpy.data.objects['boxnijo'].location.x = ((cx*-1)/100)*10 + 35
bpy.data.objects['boxnijo'].location.z = (cy/100)*(-10) + 30
bpy.data.objects['boxnijo'].location.y = 0
cv2.circle(img,centr,5,[0,0,255],2)
cv2.drawContours(drawing,[cnt],0,(0,255,0),2)
cv2.drawContours(drawing,[hull],0,(255,0,255),2)
cnt = cv2.approxPolyDP(cnt,0.01*cv2.arcLength(cnt,True),True)
hull = cv2.convexHull(cnt,returnPoints = False)
if(1):
defects = cv2.convexityDefects(cnt,hull)
mind=0
maxd=0
for i in range(defects.shape[0]):
s,e,f,d = defects[i,0]
start = tuple(cnt[s][0])
end = tuple(cnt[e][0])
far = tuple(cnt[f][0])
dist = cv2.pointPolygonTest(cnt,centr,True)
cv2.line(img,start,end,[0,255,0],2)
cv2.circle(img,far,5,[0,0,255],-1)
#print "i=",i,"area=",area,"hull",hull,"prev_hull",prev_hull
#print "Points=",prev_hull
i=0
#change_image[hull] = Clear[hull]
#cv2.imshow('final_game',change_image)
cv2.imshow('output',drawing)
#cv2.imshow('input',img)
class ModalTimerOperator(bpy.types.Operator):
"""Operator which runs its self from a timer"""
bl_idname = "wm.modal_timer_operator"
bl_label = "Modal Timer Operator"
_timer = None
def modal(self, context, event):
if event.type in {'RIGHTMOUSE', 'ESC'}:
self.cancel(context)
return {'CANCELLED'}
if event.type == 'TIMER':
# change theme color, silly!
#color = context.preferences.themes[0].view_3d.space.gradients.high_gradient
#color.s = 1.0
#color.h += 0.01
#bpy.data.objects['boxnijo'].location.x = random.randint(1,10)
#bpy.data.objects['boxnijo'].location.y = random.randint(1,5)
runcam()
return {'PASS_THROUGH'}
def execute(self, context):
wm = context.window_manager
self._timer = wm.event_timer_add(0.1, window=context.window)
wm.modal_handler_add(self)
return {'RUNNING_MODAL'}
def cancel(self, context):
wm = context.window_manager
wm.event_timer_remove(self._timer)
def register():
bpy.utils.register_class(ModalTimerOperator)
def unregister():
bpy.utils.unregister_class(ModalTimerOperator)
if __name__ == "__main__":
register()
# test call
bpy.ops.wm.modal_timer_operator()