forked from deadsy/sdfx
-
Notifications
You must be signed in to change notification settings - Fork 2
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge remote-tracking branch 'remotes/upstream/master' into convert_p…
…anics_02 - resolves merge conflict in deadsy#27 between panic cleanup (deadsy#24) and API refactor (deadsy#22)
- Loading branch information
Showing
5 changed files
with
92 additions
and
79 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| //----------------------------------------------------------------------------- | ||
| /* | ||
| PCB Standoffs, Mounting Pillars | ||
| */ | ||
| //----------------------------------------------------------------------------- | ||
|
|
||
| package obj | ||
|
|
||
| import "github.com/deadsy/sdfx/sdf" | ||
|
|
||
| //----------------------------------------------------------------------------- | ||
|
|
||
| // StandoffParms defines the parameters for a board standoff pillar. | ||
| type StandoffParms struct { | ||
| PillarHeight float64 | ||
| PillarDiameter float64 | ||
| HoleDepth float64 // > 0 is a hole, < 0 is a support stub | ||
| HoleDiameter float64 | ||
| NumberWebs int // number of triangular gussets around the standoff base | ||
| WebHeight float64 | ||
| WebDiameter float64 | ||
| WebWidth float64 | ||
| } | ||
|
|
||
| // pillarWeb returns a single pillar web | ||
| func pillarWeb(k *StandoffParms) sdf.SDF3 { | ||
| w := sdf.NewPolygon() | ||
| w.Add(0, 0) | ||
| w.Add(0.5*k.WebDiameter, 0) | ||
| w.Add(0, k.WebHeight) | ||
| s := sdf.Extrude3D(sdf.Polygon2D(w.Vertices()), k.WebWidth) | ||
| m := sdf.Translate3d(sdf.V3{0, 0, -0.5 * k.PillarHeight}).Mul(sdf.RotateX(sdf.DtoR(90.0))) | ||
| return sdf.Transform3D(s, m) | ||
| } | ||
|
|
||
| // pillarWebs returns a set of pillar webs | ||
| func pillarWebs(k *StandoffParms) sdf.SDF3 { | ||
| if k.NumberWebs == 0 { | ||
| return nil | ||
| } | ||
| return sdf.RotateCopy3D(pillarWeb(k), k.NumberWebs) | ||
| } | ||
|
|
||
| // pillar returns a cylindrical pillar | ||
| func pillar(k *StandoffParms) sdf.SDF3 { | ||
| return sdf.Cylinder3D(k.PillarHeight, 0.5*k.PillarDiameter, 0) | ||
| } | ||
|
|
||
| // pillarHole returns a pillar screw hole (or support stub) | ||
| func pillarHole(k *StandoffParms) sdf.SDF3 { | ||
| if k.HoleDiameter == 0.0 || k.HoleDepth == 0.0 { | ||
| return nil | ||
| } | ||
| s := sdf.Cylinder3D(sdf.Abs(k.HoleDepth), 0.5*k.HoleDiameter, 0) | ||
| zOfs := 0.5 * (k.PillarHeight - k.HoleDepth) | ||
| return sdf.Transform3D(s, sdf.Translate3d(sdf.V3{0, 0, zOfs})) | ||
| } | ||
|
|
||
| // Standoff3D returns a single board standoff. | ||
| func Standoff3D(k *StandoffParms) sdf.SDF3 { | ||
| s0 := sdf.Union3D(pillar(k), pillarWebs(k)) | ||
| if k.NumberWebs != 0 { | ||
| // Cut off any part of the webs that protrude from the top of the pillar | ||
| s0 = sdf.Intersect3D(s0, sdf.Cylinder3D(k.PillarHeight, k.WebDiameter, 0)) | ||
| } | ||
| // Add the pillar hole/stub | ||
| if k.HoleDepth >= 0.0 { | ||
| // hole | ||
| s0 = sdf.Difference3D(s0, pillarHole(k)) | ||
| } else { | ||
| // support stub | ||
| s0 = sdf.Union3D(s0, pillarHole(k)) | ||
| } | ||
| return s0 | ||
| } | ||
|
|
||
| //----------------------------------------------------------------------------- |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters