Does the code change anything? I've had no insights on how to use either PixelArray or SurfArray. On Sat, Mar 7, 2009 at 1:48 PM, Ian Mallett <[email protected]> wrote:
> Actually, I think it might be more useful to go with what I'm trying to > do. I'm not sure how I would go optimizing it--I don't know if it can be. > Here's the code I want to optimize using surfarray/whatever: > > for x in xrange(size): > for y in xrange(size): > value = permutation[(y+permutation[x]) & (size-1)] > red = grad3[value&15][0]*127.5 + 127.5 > green = grad3[value&15][1]*127.5 + 127.5 > blue = grad3[value&15][2]*127.5 + 127.5 > surf.set_at((x,y),map(rndint,[red,green,blue])) > > Note that: > > rndint = int(round(x)) > > that: > > grad3 = [[ 0, 1, 1],[ 0, 1,-1],[ 0,-1, 1],[ 0,-1,-1], > [ 1, 0, 1],[ 1, 0,-1],[-1, 0, 1],[-1, 0,-1], > [ 1, 1, 0],[ 1,-1, 0],[-1, 1, 0],[-1,-1, 0], > [ 1, 0,-1],[-1, 0,-1],[ 0,-1, 1],[ 0, 1, 1]] > > and that: > > permutation = [] > for value in xrange(size): > permutation.append(value) > random.shuffle(permutation) > > Any ideas for optimization? > > Thanks, > Ian Ian
