31 lines
1.6 KiB
Python
31 lines
1.6 KiB
Python
"""Reverse a walking clip and replace baked travel with an explicit retreat."""
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import math
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from ue_workshop import Scene, Sequence
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from ue_workshop.animations import CreatureAnimations as C
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from ue_workshop.characters import CREATURE_MODEL
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scene = Scene("ReverseWalkingSmoke")
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creature = scene.skeletal_model(CREATURE_MODEL, name="Creature", height=300, location=(0, -850, 0))
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shot = Sequence(scene, fps=30, frames=180)
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shot.animation(creature, C.MUTANT_RUN, start=0, end=60, keep_end_position=True)
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shot.animation(creature, C.MUTANT_SWIPING, start=20)
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walk = shot.animation(creature, C.MUTANT_WALKING, start=80, end=120,
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keep_end_position=True, reverse=True)
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assert walk.get_editor_property("params").get_editor_property("reverse")
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before = shot.position(creature, 80)
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natural_end = shot.position(creature, 120)
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assert natural_end[1] < before[1] - 10, (before, natural_end)
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# A later authored key should retain its relative movement after replacement.
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shot.transform_key(creature, 150, location=(natural_end[0], natural_end[1] + 30, natural_end[2]))
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target = shot.move(creature, start=80, end=120, offset=(0, -200, 0))
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assert math.dist(shot.position(creature, 80), before) < 0.001
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assert math.dist(shot.position(creature, 120), target) < 0.001
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assert abs(target[1] - before[1] + 200) < 0.001
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middle = shot.position(creature, 100)
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assert target[1] < middle[1] < before[1], middle
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assert abs(shot.position(creature, 150)[1] - target[1] - 30) < 0.001
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channels = shot._transforms[creature.get_path_name()]
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assert all(not 80 < key.get_time().frame_number.value < 120 for key in channels[1].get_keys())
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shot.save(open_editor=False)
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