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75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
from build123d import *
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from ocp_vscode import show_object
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# A sphere used as a projection target
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sphere = Sphere(50)
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"""Example 1 - Mapping A Face on Sphere"""
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projection_direction = Vector(0, 1, 0)
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square = Plane.ZX.offset(-80) * Rectangle(20, 20)
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square_projected = square.faces()[0].project_to_shape(sphere, projection_direction)
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square_solids = Part() + [Solid.thicken(f, 2) for f in square_projected]
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face = square.faces()[0]
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projection_beams = loft([face, Pos(0, 160, 0) * face])
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"""Example 2 - Flat Projection of Text on Sphere"""
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projection_direction = Vector(0, -1, 0)
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flat_planar_text = Rot(90, 0, 0) * Text("Flat", font_size=30)
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flat_projected_text_faces = Sketch() + [
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f.project_to_shape(sphere, projection_direction)[0]
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for f in flat_planar_text.faces()
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]
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flat_projection_beams = Part() + [
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extrude(f, dir=projection_direction, amount=80) for f in flat_planar_text.faces()
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]
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"""Example 3 - Project a text string along a path onto a shape"""
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cyl = Plane.YZ * Cylinder(80, 100, align=(Align.CENTER, Align.CENTER, Align.MIN))
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obj = sphere - Pos(-50, 0, -70) * cyl
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arch_path: Edge = obj.edges().sort_by().first
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arch_path_start = Vertex(arch_path.position_at(0))
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text = Text(
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"'the quick brown fox jumped over the lazy dog'",
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font_size=15,
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align=(Align.MIN, Align.CENTER),
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)
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projected_text = Sketch(sphere.project_faces(text.faces(), path=arch_path))
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# Example 1
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show_object(sphere, name="sphere_solid", options={"alpha": 0.8})
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show_object(square, name="square")
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show_object(square_solids, name="square_solids")
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show_object(
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Compound(projection_beams),
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name="projection_beams",
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options={"alpha": 0.9, "color": (170 / 255, 170 / 255, 255 / 255)},
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)
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# Example 2
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show_object(
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Pos(-100, -100) * sphere,
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name="sphere_solid for text",
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options={"alpha": 0.8},
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)
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show_object(
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Pos(-100, -100) * flat_projected_text_faces, name="flat_projected_text_faces"
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)
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show_object(
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Pos(-100, -100) * flat_projection_beams,
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name="flat_projection_beams",
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options={"alpha": 0.95, "color": (170 / 255, 170 / 255, 255 / 255)},
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)
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# Example 3
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show_object(
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sphere.moved(Location((100, 100))),
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name="sphere_solid for text on path",
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options={"alpha": 0.8},
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)
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show_object(projected_text.moved(Location((100, 100))), name="projected_text on path")
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