Raw image sequence assignment

# rawimagesequence.py

import struct, sys

width = 320 height = 240 header = struct.pack("<BBBHHBHHHHBB",0,0,2,0,0,8,0,0,width,height,32,1<<5)

totalframes = 25

def map(x, startend, newstartnewend):
  start, end = startend
  newstart, newend = newstartnewend
  p = (float(x) - start) / (end - start)
  return newstart + (p * (newend-newstart))
  

for frame in xrange(totalframes):

  out = open("frame%02d.tga" % frame, "wb")
  out.write(header)

  for y in xrange(height):
      for x in xrange(width):
          r =  map(frame, (0, totalframes), (255, 0))
          g =  map(frame, (0, totalframes), (0, 255))
          b = 0
          a = 255

          out.write(struct.pack('B', b))
          out.write(struct.pack('B', g))
          out.write(struct.pack('B', r))
          out.write(struct.pack('B', a))
  print r

  out.close()
  

import os os.system("convert frame* nik.gif")