meshmontage (wip)

Author: fogleman

cmd/meshmontage/main.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"math"
+
+	. "github.com/fogleman/fauxgl"
+	kingpin "gopkg.in/alecthomas/kingpin.v2"
+)
+
+var (
+	// scale  = kingpin.Flag("scale", "Scale factor.").Short('s').Required().Float64()
+	axisX  = kingpin.Flag("x", "Use X axis.").Short('x').Bool()
+	axisY  = kingpin.Flag("y", "Use Y axis.").Short('y').Bool()
+	axisZ  = kingpin.Flag("z", "Use Z axis.").Short('z').Bool()
+	rows   = kingpin.Flag("rows", "Number of rows.").Short('r').Int()
+	output = kingpin.Flag("output", "Output STL file.").Short('o').Required().String()
+	files  = kingpin.Arg("files", "Models to process.").Required().ExistingFiles()
+)
+
+func main() {
+	kingpin.Parse()
+
+	var meshes []*Mesh
+
+	for _, filename := range *files {
+		fmt.Println(filename)
+
+		mesh, err := LoadMesh(filename)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		meshes = append(meshes, mesh)
+
+		// mesh.Transform(Scale(V(*scale, *scale, *scale)))
+
+		// dir, file := filepath.Split(filename)
+		// name := strings.TrimSuffix(file, filepath.Ext(file))
+		// name = *prefix + name + *suffix + ".stl"
+
+		// if *output != "" {
+		// 	dir = *output
+		// }
+
+		// outputFilename := filepath.Join(dir, name)
+		// fmt.Printf(" => %s\n", outputFilename)
+		// if err := mesh.SaveSTL(outputFilename); err != nil {
+		// 	log.Fatal(err)
+		// }
+	}
+
+	maxSize := meshes[0].BoundingBox().Size()
+	for _, mesh := range meshes {
+		maxSize = maxSize.Max(mesh.BoundingBox().Size())
+	}
+	maxSize = maxSize.MulScalar(1.05)
+
+	n := len(meshes)
+	numRows := int(math.Ceil(math.Sqrt(float64(n))))
+	if *rows > 0 {
+		numRows = *rows
+	}
+
+	combined := NewTriangleMesh(nil)
+	for i, mesh := range meshes {
+		row := i / numRows
+		col := i % numRows
+		var x, y, z float64
+		if *axisX {
+			y = float64(row) * maxSize.Y
+			z = float64(col) * maxSize.Z
+		} else if *axisY {
+			x = float64(row) * maxSize.X
+			z = float64(col) * maxSize.Z
+		} else {
+			x = float64(row) * maxSize.X
+			y = float64(col) * maxSize.Y
+		}
+		mesh.MoveTo(V(x, y, z), V(0.5, 0.5, 0.5))
+		combined.Add(mesh)
+	}
+
+	combined.SaveSTL(*output)
+}