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109 lines
4.3 KiB
Python
109 lines
4.3 KiB
Python
"""
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Copyright (c) Contributors to the Open 3D Engine Project
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SPDX-License-Identifier: Apache-2.0 OR MIT
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"""
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import WhiteBoxMath as whiteBoxMath
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import WhiteBoxInit as init
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import azlmbr.legacy.general as general
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import azlmbr.bus as bus
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import azlmbr.whitebox.api as api
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# usage: pyRunFile path/to/file/icosahedron.py <radius>
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# create the faces which will be used in the icosahedron
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def create_icosahedron_faces(whiteBoxMesh, radius):
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# get coordinates for all the vertices using the internal angles of a icosahedron
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# upper side
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pos1 = whiteBoxMath.spherical_to_cartesian(0.0, 0.0, radius)
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pos2 = whiteBoxMath.spherical_to_cartesian(63.43, 18.0, radius)
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pos3 = whiteBoxMath.spherical_to_cartesian(63.43, 90.0, radius)
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pos4 = whiteBoxMath.spherical_to_cartesian(63.43, 162.0, radius)
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pos5 = whiteBoxMath.spherical_to_cartesian(63.43, 234.0, radius)
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pos6 = whiteBoxMath.spherical_to_cartesian(63.43, 306.0, radius)
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# lower side
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pos7 = whiteBoxMath.spherical_to_cartesian(180.0, 0.0, radius)
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pos8 = whiteBoxMath.spherical_to_cartesian(116.57, 52.0, radius)
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pos9 = whiteBoxMath.spherical_to_cartesian(116.57, 126.0, radius)
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pos10 = whiteBoxMath.spherical_to_cartesian(116.57, 198.0, radius)
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pos11 = whiteBoxMath.spherical_to_cartesian(116.57, 270.0, radius)
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pos12 = whiteBoxMath.spherical_to_cartesian(116.57, 342.0, radius)
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# create vertices from all the coordinates
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# upper side
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v1 = whiteBoxMesh.AddVertex(pos1)
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v2 = whiteBoxMesh.AddVertex(pos2)
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v3 = whiteBoxMesh.AddVertex(pos3)
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v4 = whiteBoxMesh.AddVertex(pos4)
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v5 = whiteBoxMesh.AddVertex(pos5)
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v6 = whiteBoxMesh.AddVertex(pos6)
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# lower side
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v7 = whiteBoxMesh.AddVertex(pos7)
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v8 = whiteBoxMesh.AddVertex(pos8)
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v9 = whiteBoxMesh.AddVertex(pos9)
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v10 = whiteBoxMesh.AddVertex(pos10)
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v11 = whiteBoxMesh.AddVertex(pos11)
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v12 = whiteBoxMesh.AddVertex(pos12)
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# add faces to list
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faces = []
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# upper side
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fvh1 = faces.append(api.util_MakeFaceVertHandles(v1, v2, v3))
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fvh2 = faces.append(api.util_MakeFaceVertHandles(v1, v3, v4))
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fvh3 = faces.append(api.util_MakeFaceVertHandles(v1, v4, v5))
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fvh4 = faces.append(api.util_MakeFaceVertHandles(v1, v5, v6))
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fvh5 = faces.append(api.util_MakeFaceVertHandles(v1, v6, v2))
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# lower side
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fvh6 = faces.append(api.util_MakeFaceVertHandles(v7, v12, v11))
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fvh7 = faces.append(api.util_MakeFaceVertHandles(v7, v11, v10))
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fvh8 = faces.append(api.util_MakeFaceVertHandles(v7, v10, v9))
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fvh9 = faces.append(api.util_MakeFaceVertHandles(v7, v9, v8))
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fvh10 = faces.append(api.util_MakeFaceVertHandles(v7, v8, v12))
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# middle side
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fvh11 = faces.append(api.util_MakeFaceVertHandles(v12, v8, v2))
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fvh12 = faces.append(api.util_MakeFaceVertHandles(v8, v9, v3))
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fvh13 = faces.append(api.util_MakeFaceVertHandles(v9, v10, v4))
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fvh14 = faces.append(api.util_MakeFaceVertHandles(v10, v11, v5))
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fvh15 = faces.append(api.util_MakeFaceVertHandles(v11, v12, v6))
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fvh16 = faces.append(api.util_MakeFaceVertHandles(v2, v8, v3))
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fvh17 = faces.append(api.util_MakeFaceVertHandles(v3, v9, v4))
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fvh18 = faces.append(api.util_MakeFaceVertHandles(v4, v10, v5))
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fvh19 = faces.append(api.util_MakeFaceVertHandles(v5, v11, v6))
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fvh20 = faces.append(api.util_MakeFaceVertHandles(v6, v12, v2))
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return faces
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def create_icosahedron(whiteBoxMesh, radius=0.6):
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# create list of faces to add to polygon
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icosahedron_faces = create_icosahedron_faces(whiteBoxMesh, radius)
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# add polygons to white box mesh
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for face in icosahedron_faces:
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whiteBoxMesh.AddPolygon([face])
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Creates an icosahedron.')
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parser.add_argument('radius', nargs='?', default=0.6, type=int, help='radius of the icosahedron')
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args = parser.parse_args()
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whiteBoxEntity = init.create_white_box_entity("WhiteBox-Icosahedron")
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whiteBoxMeshComponent = init.create_white_box_component(whiteBoxEntity)
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whiteBoxMesh = init.create_white_box_handle(whiteBoxMeshComponent)
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# clear whiteBoxMesh to make a icosahedron from scratch
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whiteBoxMesh.Clear()
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create_icosahedron(whiteBoxMesh, args.radius)
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# update whiteBoxMesh
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init.update_white_box(whiteBoxMesh, whiteBoxMeshComponent)
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