| |
|
|
| import socket |
| import time |
| from struct import pack |
|
|
|
|
| class SigmoidMotion: |
| HOST = '172.22.99.206' |
| PORT = 2342 |
| s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
|
|
| colorA = {'red': 0x66, 'green': 0xCC, 'blue': 0x00} |
| colorB = {'red': 0xCC, 'green': 0x66, 'blue': 0x00} |
| |
| data = [pack('b', 0x0F), pack('b', 0), pack('!h', 678)] |
| |
| left = pack('BBB', colorA['blue'], colorA['green'], colorA['red']) |
| |
| right = pack('BBB', colorB['blue'], colorB['green'], colorB['red']) |
|
|
| period = 3000 |
| transitionLength = 40 |
|
|
| maxRuntime = 36000 |
|
|
| def ramp(self, start, end, time): |
| fres = start + time*(float(end - start)/self.transitionLength) |
| return abs(int(fres)) |
|
|
| def packet(self): |
| self.data = [pack('b', 0x0F), pack('b', 0), pack('!h', 678)] |
| for i in range(0, 226): |
| if i < 3: |
| self.data.append(self.right) |
| elif i < 13: |
| self.data.append(self.left) |
| elif i < 19: |
| self.data.append(self.right) |
| elif i < 120: |
| self.data.append(self.left) |
| else: |
| self.data.append(self.right) |
| return ''.join(self.data) |
|
|
| def transition(self, time, asc): |
| left = {} |
| right = {} |
|
|
| if asc: |
| colorA = self.colorA |
| colorB = self.colorB |
| else: |
| colorA = self.colorB |
| colorB = self.colorA |
|
|
| for col in ['red', 'green', 'blue']: |
| left[col] = self.ramp(colorA[col], colorB[col], time) |
| right[col] = self.ramp(colorB[col], colorA[col], time) |
|
|
| self.left = pack('BBB', left['blue'], left['green'], left['red']) |
| self.right = pack('BBB', right['blue'], right['green'], right['red']) |
|
|
| def __call__(self): |
| globaltimer = 0 |
| timer = 0 |
| epoch = 0 |
| transitionEnd = self.transitionLength + self.period |
| asc = True |
| while globaltimer < self.maxRuntime: |
| globaltimer = globaltimer + 1 |
| timer = timer + 1 |
| if timer < self.period: |
| self.s.sendto(self.packet(), (self.HOST, self.PORT)) |
| time.sleep(0.09) |
| continue |
| elif timer == self.period: |
| epoch = timer |
| self.transition(timer-epoch, asc) |
| elif timer > self.period and timer < transitionEnd: |
| self.transition(timer-epoch, asc) |
| else: |
| asc = not asc |
| timer = 0 |
|
|
| self.s.sendto(self.packet(), (self.HOST, self.PORT)) |
| time.sleep(0.08) |
|
|
| self.s.close() |
|
|
| if __name__ == '__main__': |
| sigmo = SigmoidMotion() |
| sigmo() |
|
|
