def look_at(self, pos, screen): """ Look at the position pos, calculated relative to the peeper's origin. """ # origin-centered position vec = pos[0]-self.origin[0], pos[1]-self.origin[1] norm = math.sqrt(vec[0]**2+vec[1]**2) # if you get the mouse just right the norm is zero, fix it if norm < self.pupil_radius: left_pupil = self.left_eye_pos[0]-(vec[0]),self.left_eye_pos[1]+(vec[1]) right_pupil = self.right_eye_pos[0]+(vec[0]),self.right_eye_pos[1]+(vec[1]) else: if norm == 0: norm = 0.001 left_pupil = self.left_eye_pos[0]+self.pupil_radius*(vec[0]/norm),self.left_eye_pos[1]+self.pupil_radius*(vec[1]/norm) right_pupil = self.right_eye_pos[0]+self.pupil_radius*(vec[0]/norm),self.right_eye_pos[1]+self.pupil_radius*(vec[1]/norm) # right eye pygame.draw.circle(screen,THECOLORS["white"],conv_to_int(self.right_eye_pos),self.radius,0) pygame.draw.circle(screen,THECOLORS["black"],conv_to_int(self.right_eye_pos),self.radius,2) pygame.draw.circle(screen,THECOLORS["black"],conv_to_int(right_pupil),int(self.pupil_size)) # left eye pygame.draw.circle(screen,THECOLORS["white"],conv_to_int(self.left_eye_pos),self.radius,0) pygame.draw.circle(screen,THECOLORS["black"],conv_to_int(self.left_eye_pos),self.radius,2) pygame.draw.circle(screen,THECOLORS["black"],conv_to_int(left_pupil),int(self.pupil_size))
def draw(self,screen): screen.fill((200,200,255,255)) #pos = pygame.mouse.get_pos() pos = self.get_avgd_shadow() for p in self.peepers: p.look_at(pos,screen) # draw the shadow shadow_pts_coll = self.shadow.read() if len(shadow_pts_coll) > 2: pygame.draw.polygon(screen,THECOLORS["gray"],shadow_pts) for shadow_pts in shadow_pts_coll: for pt in shadow_pts: pygame.draw.circle(screen,THECOLORS["red"],tuple((int(i) for i in pt)),3) # draw the avgd center pygame.draw.circle(screen,THECOLORS["white"],conv_to_int(pos),5)
