# Client program from socket import * import sys import time from math import * # Set the socket parameters local_port = 5000 remote_port = 4321 # TODO: autodetect interface address for remote application outgoing_if = "127.0.0.1" remote_host = "127.0.0.1" # udp is the default for DGRAM UDPSock = socket(AF_INET, SOCK_DGRAM) # we MUST bind, otherwise python will choose a different port for each # connection UDPSock.bind((outgoing_if, local_port)) # we will not use connections so we can keep working even if the server # goes down or refuses connection #UDPSock.connect((remote_host, remote_port)) segmentsfile = open('segments','r') hash = "abcdefghij" alpha = chr(255) z_buffer = chr(1) + "\n" width = 7 height = 12 segments = 8 segwidth = 12 segchannels = 4 sleeptime = 0.02 t = 0 #timer will hold the elapsed time in seconds frequency = 2*pi/200 while (1): #zero out the data buffer data = hash data += z_buffer for i in range(0,width): for j in range(0,height): pixel = 0.5+0.5*sin(2*pi*(float(i+1)/width)+t*frequency)*sin(2*pi*(float(j+1)/height)+t*frequency) data = data + chr(int(255*pixel)) + alpha data = data + "\n" for i in range(0,segwidth): for j in range(0,segments): for a in range(0,segchannels): data += chr( 127 + int(128*sin(2*pi*(1+i)*(1+j)*(1+a)*t*frequency/200))) data += "\n" t+=1 if not data: break else: UDPSock.sendto(data,(remote_host,remote_port)) time.sleep(sleeptime) UDPSock.close()