BrushCue Example: Drift Animation

You can use this tool online at https://www.brushcue.com/tools/drift-animation

!pip install brushcue

import brushcue as bc

duration = 3.0


@bc.brushcue_fn
def frame(time):
    input_image = bc.Composition.monet_women_with_parasol()
    drift_x = 180.0
    drift_y = 140.0
    input_bounds = input_image.bounds()
    crop_margin = bc.Float.max(drift_x, drift_y) + 40.0
    crop_bounds = bc.Bounds2f.from_x_y_width_height(
        input_bounds.min_x() + crop_margin,
        input_bounds.min_y() + crop_margin,
        input_bounds.width() - (crop_margin * 2.0),
        input_bounds.height() - (crop_margin * 2.0),
    )
    phase = ((time / duration) * bc.Float.pi()) * 2.0
    x_offset = drift_x * ((3.0 * phase) + 1.0).sin()
    y_offset = drift_y * ((5.0 * phase) + 2.0).sin()
    moved = input_image.transform(
        bc.Transform2.identity().translation(
            bc.Vector2f.from_components(x_offset, y_offset)
        )
    )
    cropped = moved.crop(crop_bounds)
    return cropped.transform(
        bc.Transform2.identity().translation(
            bc.Vector2f.from_components(
                -1.0 * crop_bounds.min_x(), -1.0 * crop_bounds.min_y()
            )
        )
    )


graph = bc.Sequence.graph(duration, frame)

ctx = bc.Context()
sequence = graph.execute(ctx)
# Render `sequence` to a video file as needed.