gl_inet: lid and hole

unixpickle · Jan 7, 2024 · f56d7e3 · f56d7e3
1 parent 890ef42
commit f56d7e3
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Showing 3 changed files with 73 additions and 21 deletions.
diff --git a/examples/parody/gl_inet/body.go b/examples/parody/gl_inet/body.go
@@ -15,7 +15,7 @@ const (
 	BodyPowerHoleWidth  = 0.15
 )
 
-func InetBody() model3d.Solid {
+func InetBody(doPowerHole bool) model3d.Solid {
 	sphere := model3d.Sphere{
 		Center: model3d.Z(-BodyRadius + 1.0),
 		Radius: BodyRadius,
@@ -24,23 +24,6 @@ func InetBody() model3d.Solid {
 		model2d.Ones(-BodySideLength/2+BodyCornerRadius),
 		model2d.Ones(BodySideLength/2-BodyCornerRadius),
 	)
-	holes := model3d.JoinedSolid{
-		&model3d.Cylinder{
-			P1:     model3d.XYZ(-0.25, 0.9, 0.8),
-			P2:     model3d.XYZ(-0.25, 1.0, 1.0),
-			Radius: 0.02,
-		},
-		&model3d.Cylinder{
-			P1:     model3d.XYZ(0.0, 0.9, 0.8),
-			P2:     model3d.XYZ(0.0, 1.0, 1.0),
-			Radius: 0.02,
-		},
-		&model3d.Cylinder{
-			P1:     model3d.XYZ(0.25, 0.9, 0.8),
-			P2:     model3d.XYZ(0.25, 1.0, 1.0),
-			Radius: 0.02,
-		},
-	}
 	powerHole2d := model2d.NewColliderSolidInset(
 		model2d.NewRect(
 			model2d.XY(0.8-BodyPowerHoleRadius-BodyPowerHoleWidth, 0.15+BodyPowerHoleRadius),
@@ -60,7 +43,7 @@ func InetBody() model3d.Solid {
 			if !sphere.Contains(c) {
 				return false
 			}
-			if holes.Contains(c) || powerHole.Contains(c) {
+			if doPowerHole && powerHole.Contains(c) {
 				return false
 			}
 			return baseRect.SDF(c.XY()) > -BodyCornerRadius

diff --git a/examples/parody/gl_inet/lid.go b/examples/parody/gl_inet/lid.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"github.com/unixpickle/model3d/model2d"
+	"github.com/unixpickle/model3d/model3d"
+)
+
+const (
+	LidThickness = 0.08
+	LidSlack     = 0.02
+	InnerInset   = 0.35
+	BodyHoleMinZ = 0.2
+)
+
+func LidAndCutout() (model3d.Solid, model3d.Solid) {
+	body := InetBody(false)
+	lid := &model3d.SubtractedSolid{
+		Positive: body,
+		Negative: model3d.TranslateSolid(body, model3d.Z(-LidThickness)),
+	}
+	baseRect := model2d.NewRect(
+		model2d.Ones(-BodySideLength/2+BodyCornerRadius+InnerInset),
+		model2d.Ones(BodySideLength/2-BodyCornerRadius-InnerInset),
+	)
+	bodyHole := model3d.ProfileSolid(
+		model2d.NewColliderSolidInset(baseRect, -BodyCornerRadius),
+		BodyHoleMinZ,
+		100.0,
+	)
+	holes := model3d.JoinedSolid{
+		&model3d.Cylinder{
+			P1:     model3d.XYZ(-0.25, 0.9, 0.8),
+			P2:     model3d.XYZ(-0.25, 0.9, 1.0),
+			Radius: 0.02,
+		},
+		&model3d.Cylinder{
+			P1:     model3d.XYZ(0.0, 0.9, 0.8),
+			P2:     model3d.XYZ(0.0, 0.9, 1.0),
+			Radius: 0.02,
+		},
+		&model3d.Cylinder{
+			P1:     model3d.XYZ(0.25, 0.9, 0.8),
+			P2:     model3d.XYZ(0.25, 0.9, 1.0),
+			Radius: 0.02,
+		},
+	}
+	lidInnerEdge := &model3d.SubtractedSolid{
+		Positive: model3d.ProfileSolid(
+			model2d.NewColliderSolidInset(baseRect, -BodyCornerRadius+LidSlack),
+			0.7,
+			0.89,
+		),
+		Negative: model3d.ProfileSolid(
+			model2d.NewColliderSolidInset(baseRect, -BodyCornerRadius+LidSlack+LidThickness),
+			0.7,
+			0.89,
+		),
+	}
+
+	return &model3d.SubtractedSolid{
+		Positive: model3d.JoinedSolid{lid, lidInnerEdge},
+		Negative: holes,
+	}, model3d.JoinedSolid{bodyHole, lid}
+}
diff --git a/examples/parody/gl_inet/main.go b/examples/parody/gl_inet/main.go
@@ -9,7 +9,9 @@ import (
 )
 
 func main() {
-	body := InetBody()
+	body := InetBody(true)
+
+	lid, lidCutout := LidAndCutout()
 
 	jack := EthernetJackSolid()
 	min, max := jack.Min(), jack.Max()
@@ -38,6 +40,7 @@ func main() {
 				jackHole,
 				usbPort,
 				fanHole,
+				lidCutout,
 			},
 		},
 		usbInner,
@@ -50,8 +53,10 @@ func main() {
 	}
 
 	log.Println("Creating mesh...")
+	lidMesh := model3d.DualContour(lid, 0.01, true, false)
+	lidMesh.SaveGroupedSTL("lid.stl")
 	mesh, interior := model3d.DualContourInterior(joined, 0.01, true, false)
-	mesh.SaveGroupedSTL("out.stl")
+	mesh.SaveGroupedSTL("body.stl")
 	colorFunc := toolbox3d.JoinedSolidCoordColorFunc(
 		interior,
 		body, render3d.NewColorRGB(224.0/255, 209.0/255, 0),