goozy / easyw Goto Github PK

for i in range(N):
        for x in range(h):
            for y in range(w):
-                nx = ((a * x + b * y) % w + w) % w  
-                ny = ((c * x + d * y) % w + w) % w
+               nx = ((a * x + b * y) % w)
+               ny = ((c * x + d * y) % w)
                nx = int(nx)
                ny = int(ny)
                new_img[nx, ny] = img[x, y]
        img = copy.deepcopy(new_img)