basic advanced example

tools/smoke_relative_move.py

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+"""Verify position queries and relative movement after kept Mixamo root travel."""
+import math
+
+from ue_workshop import Scene, Sequence
+from ue_workshop.animations import CreatureAnimations as C
+from ue_workshop.characters import CREATURE_MODEL
+
+scene = Scene("RelativeMoveSmoke")
+creature = scene.skeletal_model(CREATURE_MODEL, name="Creature", height=300, location=(0, -850, 0))
+shot = Sequence(scene, fps=30, frames=180)
+shot.animation(creature, C.MUTANT_RUN, start=0, end=60, keep_end_position=True)
+shot.animation(creature, C.MUTANT_SWIPING, start=20)
+shot.animation(creature, C.MUTANT_WALKING, start=80, end=120)
+before = shot.position(creature, 80)
+assert math.dist(before, (0, -850, 0)) > 100, before
+target = shot.move(creature, start=80, end=120, offset=(0, 50, 0), interpolation="auto")
+assert math.dist(shot.position(creature, 80), before) < 0.001
+assert math.dist(shot.position(creature, 120), target) < 0.001
+assert abs(target[1] - before[1] - 50) < 0.001
+assert math.dist(shot.position(creature, 179), target) < 0.001
+middle = shot.position(creature, 100)
+assert before[1] < middle[1] < target[1]
+shot.save(open_editor=False)
+print("Relative movement from", before, "to", target)