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fix transform_oscillate offset

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This commit is contained in:
Patrick Moessler 2023-02-24 18:58:51 +01:00
parent b91e2d76b8
commit bb29fcac7b
1 changed files with 17 additions and 4 deletions
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21
util/transform.py
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@ -52,18 +52,31 @@ def transform_bounce(
def transform_oscillate(
bounds: pg.Rect,
period: int,
initial_pos: XYCoord = (-1, -1),
initial_pos: XYCoord = (0, 0),
auto_period: int = 0,
) -> PositionGenerator:
pos_x = float(initial_pos[0] if initial_pos[0] > 0 else bounds.left)
pos_y = float(initial_pos[1] if initial_pos[1] > 0 else bounds.top)
pos_x = float(initial_pos[0])
pos_y = float(initial_pos[1])
direction = "+"
last_period = 0
while True:
(size_x, size_y), _ = yield (int(pos_x), int(pos_y))
(size_x, size_y), is_beat = yield (
int(pos_x + bounds.left),
int(pos_y + bounds.top),
)
range_x = bounds.width - size_x
range_y = bounds.height - size_y
if auto_period:
if is_beat:
period = last_period * auto_period
last_period = 0
else:
last_period += 1
inc_x = range_x / period
inc_y = range_y / period