def isoProjection(pos3d, tile_size, iso_size, real_size):
x, y, z = pos3d
tx, ty = tile_size
x = float(x) * float(tx)
y = float(y) * float(ty)
cx, cy = iso_size
cx = float(cx) / 2
cy = float(cy) / 2
# translates de point to the center
x = x - cx
y = y - cy
# rotates the point 45 degrees an divide y by 2
xpos, ypos = gfx.rotate45((x, y))
cosx = -0.866
ypos = z * cosx - (ypos / 2)
ncx, ncy = real_size
xpos = xpos + (float(ncx) / 2)
ypos = ypos + (float(ncy) / 2)
return (xpos, ypos)
def getIsoPoint(pos, total_size, original_size, floor_size):
x, y = pos
ncx, ncy = total_size
ncx = float(ncx)
ncy = float(ncy)
x = x - (ncx / 2)
y = y - (ncy / 2)
y = -y * 2
x, y = gfx.rotate45((x, y))
cx, cy = original_size
cx = float(cx) / 2
cy = float(cy) / 2
# translates de point to the center
tx, ty = floor_size
x = (x + cx) / tx
y = (y + cy) / ty
return int(x), int(y)
