iso_positions.py

# -*- coding: utf-8 -*-
"""
   0 ________ 256
    |   /\   |
    |  /\/\  |
    | /\/\/\ |
    |/\/\/\/\|      \ → x
    |\/\/\/\/|
    | \/\/\/ |      / → y
    |  \/\/  |
    |___\/___|
 128

Soit une grille de 4 x 4
Chaque case fait 64 pixels de large et 32 pixels de haut
La premiere case est celle en haut au milieu, la derniere son opposee en bas
"""

total_x = 4
total_y = 4
dW = 32
dH = 16
inc_x = 0
inc_y = 0
total = 0
positions = {}

for x in range(0, total_x):
    for y in range(0, total_y):
        total += 1
        positions[total] = (dW*(total_x+inc_x), dH*inc_y)
        inc_x = inc_x+1 if y < total_y-1 else inc_x-total_x
        inc_y = inc_y+1 if y < total_y-1 else inc_y-(total_y/2)

print(positions)

# {
#     1: (128, 0),
#     2: (160, 16),
#     3: (192, 32),
#     4: (224, 48),
#     5: (96, 16),
#     6: (128, 32),
#     7: (160, 48),
#     8: (192, 64),
#     9: (64, 32),
#     10: (96, 48),
#     11: (128, 64),
#     12: (160, 80),
#     13: (32, 48),
#     14: (64, 64),
#     15: (96, 80),
#     16: (128, 96)
# }

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