diff options
Diffstat (limited to 'src/zoom.py')
| -rw-r--r-- | src/zoom.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/zoom.py b/src/zoom.py index 2f993a3..1e57d56 100644 --- a/src/zoom.py +++ b/src/zoom.py @@ -1,3 +1,5 @@ +offset_limit = 200 + def zoom_in(zoom): if zoom[0] > 128: zoom = (zoom[0] / 1.5, zoom[1] / 1.5) @@ -8,23 +10,27 @@ def zoom_out(zoom): zoom = (zoom[0] * 1.5, zoom[1] * 1.5) return zoom -def zoom_reset(zoom, offset): +def zoom_reset(): zoom = (1280.0, 720.0) offset = (0, 0) return zoom, offset def offset_up(offset): - offset = (offset[0], offset[1] - 10) + if offset[1] - 10 > -offset_limit: + offset = (offset[0], offset[1] - 10) return offset def offset_down(offset): - offset = (offset[0], offset[1] + 10) + if offset[1] + 10 < offset_limit: + offset = (offset[0], offset[1] + 10) return offset def offset_left(offset): - offset = (offset[0] - 10, offset[1]) + if offset[0] - 10 > -(offset_limit * 16/9): + offset = (offset[0] - 10, offset[1]) return offset def offset_right(offset): - offset = (offset[0] + 10, offset[1]) + if offset[0] + 10 < offset_limit * 16/9: + offset = (offset[0] + 10, offset[1]) return offset
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