blob: 2f993a37819cc72c8e80b450d46cad09fde8181d (
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def zoom_in(zoom):
if zoom[0] > 128:
zoom = (zoom[0] / 1.5, zoom[1] / 1.5)
return zoom
def zoom_out(zoom):
if zoom[0] < 1280:
zoom = (zoom[0] * 1.5, zoom[1] * 1.5)
return zoom
def zoom_reset(zoom, offset):
zoom = (1280.0, 720.0)
offset = (0, 0)
return zoom, offset
def offset_up(offset):
offset = (offset[0], offset[1] - 10)
return offset
def offset_down(offset):
offset = (offset[0], offset[1] + 10)
return offset
def offset_left(offset):
offset = (offset[0] - 10, offset[1])
return offset
def offset_right(offset):
offset = (offset[0] + 10, offset[1])
return offset
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