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55 lines
1.4 KiB
55 lines
1.4 KiB
2 years ago
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import json
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import copy
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import math
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import sys
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import context
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import fixture_utils
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from meshes.large_arch import large_arch
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def main():
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num_stones = 25
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if len(sys.argv) > 1:
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num_stones = int(sys.argv[1])
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V = large_arch(nsegs=num_stones)
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arch_min = V.min(axis=0)
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arch_max = V.max(axis=0)
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plane_dims = 125 / 91.41345433982721 * (arch_max - arch_min)
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plane_dims[1] = 0
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plane_dims[2] = 100
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scene = {
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"scene_type": "distance_barrier_rb_problem",
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"solver": "ipc_solver",
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"timestep": 0.01,
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"max_time": 20.0,
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"friction_constraints": {
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"iterations": 1
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},
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"rigid_body_problem": {
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"coefficient_friction": 0.5,
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"gravity": [0, -9.8, 0],
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"rigid_bodies": [{
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"mesh": "plane.obj",
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"position": [0, 0, 0],
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"dimensions": plane_dims.tolist(),
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"is_dof_fixed": True
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}]
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}
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}
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rbs = scene["rigid_body_problem"]["rigid_bodies"]
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rbs.extend([{"mesh": f"arch/num_stones={num_stones:d}/stone-{i+1:02d}.obj"}
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for i in range(num_stones)])
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filename = f"arch-{num_stones:d}-stones.json"
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fixture_utils.save_fixture(
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scene, fixture_utils.get_fixture_dir_path() / "3D" / "friction" / "arch" / filename)
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if __name__ == "__main__":
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main()
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