79 lines
1.6 KiB
Python
79 lines
1.6 KiB
Python
# Client program
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from socket import *
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import sys
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import time
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from math import *
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# Set the socket parameters
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local_port = 5004
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# direct html udp port
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remote_port = 4422
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# production port
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remote_port = 8888
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zlevel=15
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# TODO: autodetect interface address for remote application
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outgoing_if = "10.2.113.175"
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remote_host = "10.2.113.161"
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# udp is the default for DGRAM
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UDPSock = socket(AF_INET, SOCK_DGRAM)
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# we MUST bind, otherwise python will choose a different port for each
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# connection
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UDPSock.bind((outgoing_if, local_port))
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# we will not use connections so we can keep working even if the server
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# goes down or refuses connection
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#UDPSock.connect((remote_host, remote_port))
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hash = "s2l\n55<18 " # 10 bytes
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alpha = chr(55)
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z_buffer = chr(zlevel) + "\n"
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width = 12
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height = 8
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segments = 8
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segwidth = 12
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segchannels = 3
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sleeptime = 0.1
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t = 0
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#timer will hold the elapsed time in seconds
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frequency = 2*pi/20
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while (1):
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#zero out the data buffer
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data = hash
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data += z_buffer
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# windows
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for j in range(0,height):
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for i in range(0,width):
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pixel = 0.5 + 0.5*sin(2*pi*(float(i+1)/width)+t*frequency)*sin(2*pi*(float(j+1)/height)+t*frequency)
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char = chr(int(127 * pixel))
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data += char + char + char + alpha
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data += "\n"
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# segment/text display
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for i in range(0,segwidth):
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for j in range(0,segments):
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for a in range(0,segchannels):
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val = 63 + int(63*sin(2*pi*(1+i)*(1+j)*t*frequency/200))
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data += chr(val)
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data += alpha
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data += "\n"
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t+=1
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if not data:
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break
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else:
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UDPSock.sendto(data,(remote_host,remote_port))
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time.sleep(sleeptime)
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UDPSock.close()
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