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Add Hybrid A* trailer path planning animation - #19
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Hybrid A* trailer example for AtsushiSakai/PythonRobotics#1243. The tractor is blue, the trailer orange, the planned hitch path cyan, and the goal red. The title shows direction and articulation.
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Add the Matplotlib animation for AtsushiSakai/PythonRobotics#1243. It shows a tractor with one passive trailer navigating around an obstacle and reversing into the goal. Tractor/hitch and trailer-axle trajectories, both body outlines, desired goal outlines, motion direction, and articulation are visible.
Generated from the new Hybrid A* trailer example with PillowWriter: 1000 × 700 pixels, 93 frames, approximately 1.2 MB. Inspected the start, turning, and final frames. The example reaches the tractor goal with a 4.34° trailer heading error (5° tolerance), with a maximum articulation of 70.01° (75° limit).
Implementation PR: AtsushiSakai/PythonRobotics#1456