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https://github.com/revarbat/BOSL2.git
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Added point attachment geometry.
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@@ -2080,6 +2080,8 @@ function named_anchor(name, pos, orient=UP, spin=0) = [name, pos, orient, spin];
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// Function: attach_geom()
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// Function: attach_geom()
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//
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//
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// Usage: Null/Point Geometry
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// geom = attach_geom(...);
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// Usage: Square/Trapezoid Geometry
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// Usage: Square/Trapezoid Geometry
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// geom = attach_geom(two_d=true, size=, [size2=], [shift=], ...);
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// geom = attach_geom(two_d=true, size=, [size2=], [shift=], ...);
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// Usage: Circle/Oval Geometry
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// Usage: Circle/Oval Geometry
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@@ -2129,6 +2131,9 @@ function named_anchor(name, pos, orient=UP, spin=0) = [name, pos, orient, spin];
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// two_d = If true, the attachable shape is 2D. If false, 3D. Default: false (3D)
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// two_d = If true, the attachable shape is 2D. If false, 3D. Default: false (3D)
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// axis = The vector pointing along the axis of a geometry. Default: UP
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// axis = The vector pointing along the axis of a geometry. Default: UP
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//
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//
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// Example(NORENDER): Null/Point Shape
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// geom = attach_geom();
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//
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// Example(NORENDER): Cubical Shape
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// Example(NORENDER): Cubical Shape
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// geom = attach_geom(size=size);
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// geom = attach_geom(size=size);
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//
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//
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@@ -2281,7 +2286,7 @@ function attach_geom(
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)
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)
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)
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)
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) :
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) :
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assert(false, "Unrecognizable geometry description.");
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["point", cp, offset, anchors];
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@@ -2315,6 +2320,7 @@ function _attach_geom_2d(geom) =
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// Returns the `[X,Y,Z]` bounding size for the given attachment geometry description.
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// Returns the `[X,Y,Z]` bounding size for the given attachment geometry description.
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function _attach_geom_size(geom) =
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function _attach_geom_size(geom) =
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let( type = geom[0] )
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let( type = geom[0] )
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type == "point"? [0,0,0] :
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type == "prismoid"? ( //size, size2, shift, axis
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type == "prismoid"? ( //size, size2, shift, axis
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let(
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let(
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size=geom[1], size2=geom[2], shift=point2d(geom[3]),
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size=geom[1], size2=geom[2], shift=point2d(geom[3]),
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@@ -2555,6 +2561,12 @@ function _find_anchor(anchor, geom) =
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pos2 = rot(from=UP, to=axis, p=pos),
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pos2 = rot(from=UP, to=axis, p=pos),
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vec2 = anch==CENTER? UP : rot(from=UP, to=axis, p=vec)
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vec2 = anch==CENTER? UP : rot(from=UP, to=axis, p=vec)
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) [anchor, pos2, vec2, oang]
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) [anchor, pos2, vec2, oang]
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) : type == "point"? (
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let(
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anchor = unit(point3d(anchor),CENTER),
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pos = point3d(cp) + point3d(offset),
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vec = unit(anchor,UP)
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) [anchor, pos, vec, oang]
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) : type == "spheroid"? ( //r
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) : type == "spheroid"? ( //r
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let(
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let(
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rr = geom[1],
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rr = geom[1],
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