Beispiel #1
0
#!/usr/bin/env python
import numpy as np
import cv2
from rstem import led_matrix
ANGLE_FACTOR = 1
GRID_SIZE = 6
IMAGE_SIZE = ANGLE_FACTOR*8*GRID_SIZE
cap = cv2.VideoCapture(0)
cap.set(3, IMAGE_SIZE) #width
cap.set(4, IMAGE_SIZE) #height
cap.set(11, 1)
led_matrix.init_grid(GRID_SIZE, GRID_SIZE)
offset = int(round( (IMAGE_SIZE-(8*GRID_SIZE))/2 ))
try:
	while True:
		ret, img = cap.read()
		img = cv2.flip(img, 0)
		new_img = img[offset:offset+8*GRID_SIZE,offset:offset+8*GRID_SIZE]
		grey = cv2.cvtColor(new_img, cv2.COLOR_BGR2GRAY)
		canny = cv2.Canny(grey, 100, 200)
		led_matrix.frame(canny)
		led_matrix.show()
except KeyboardInterrupt:	
	pass
finally:
	led_matrix.cleanup()
	cap.release()
Beispiel #2
0
        #       Update and redraw missles
        for m in missles:
            m.update()
            led_matrix.point(m.pos[0], m.pos[1])

#       Get angles from accelerometer
        data = accel.angles()

        #       Generate smooth movement data using IIR filter, and make a 1/4 turn move
        #       the player to the edge of the screen
        player_pos[0] = player_pos[0] + (clamp(data[0] * 8 * 4 / 90 + 7) -
                                         player_pos[0]) * 0.1

        #       Draw player
        led_matrix.point(int(round(player_pos[0])), int(round(player_pos[1])))

        #       Show framebuffer
        led_matrix.show()

        #       Delay one game tick, in this case 1ms
        time.sleep(0.001)

#Stop if player hits Ctrl-C
except KeyboardInterrupt:
    pass

#Clean everything up
finally:
    GPIO.cleanup()
    led_matrix.cleanup()