feat: add gno.land/r/demo/art/{millipede,gnoface} (#690)

examples/gno.land/r/demo/art/gnoface/gnoface.gno

@@ -0,0 +1,124 @@
+package gnoface
+
+import (
+	"std"
+	"strconv"
+	"strings"
+
+	"gno.land/p/demo/rand"
+	"gno.land/p/demo/ufmt"
+)
+
+func Render(path string) string {
+	seed := std.GetHeight()
+
+	path = strings.TrimSpace(path)
+	if path != "" {
+		s, err := strconv.Atoi(path)
+		if err != nil {
+			panic(err)
+		}
+		seed = int64(s)
+	}
+
+	output := ufmt.Sprintf("Gnoface #%d\n", seed)
+	output += "```\n" + Draw(seed) + "```\n"
+	return output
+}
+
+func Draw(seed int64) string {
+	var (
+		hairs = []string{
+			"     s",
+			"  .......",
+			"   s s s",
+			"   /\\ /\\",
+			"  |||||||",
+		}
+		headtop = []string{
+			" /-------\\",
+			" /~~~~~~~\\",
+			" /|||||||\\",
+			" ////////\\",
+			" |||||||||",
+			" /\\\\\\\\\\\\\\\\",
+		}
+		headspace = []string{
+			" |       |",
+		}
+		eyebrow = []string{
+			"~",
+			"*",
+			"_",
+			".",
+		}
+		ear = []string{
+			"o",
+			" ",
+			"D",
+			"O",
+			"<",
+			">",
+			".",
+			"|",
+			")",
+			"(",
+		}
+		eyesmiddle = []string{
+			"| o   o |",
+			"| o   _ |",
+			"| _   o |",
+			"| .   . |",
+			"| O   O |",
+			"| v   v |",
+			"| X   X |",
+			"| x   X |",
+			"| X   D |",
+			"| ~   ~ |",
+		}
+		nose = []string{
+			" |   o   |",
+			" |   O   |",
+			" |   V   |",
+			" |   L   |",
+			" |   C   |",
+			" |   ~   |",
+			" |  . .  |",
+			" |   .   |",
+		}
+		mouth = []string{
+			" |  __/  |",
+			" |  \\_/  |",
+			" |   .   |",
+			" |  ___  |",
+			" |  ~~~  |",
+			" |  ===  |",
+			" |  <=>  |",
+		}
+		headbottom = []string{
+			" \\-------/",
+			" \\~~~~~~~/",
+			" \\_______/",
+		}
+	)
+
+	r := rand.FromSeed(seed)
+
+	return pick(r, hairs) + "\n" +
+		pick(r, headtop) + "\n" +
+		pick(r, headspace) + "\n" +
+		" | " + pick(r, eyebrow) + "   " + pick(r, eyebrow) + " |\n" +
+		pick(r, ear) + pick(r, eyesmiddle) + pick(r, ear) + "\n" +
+		pick(r, headspace) + "\n" +
+		pick(r, nose) + "\n" +
+		pick(r, headspace) + "\n" +
+		pick(r, mouth) + "\n" +
+		pick(r, headspace) + "\n" +
+		pick(r, headbottom) + "\n"
+}
+
+func pick(r *rand.Instance, slice []string) string {
+	return slice[r.Intn(len(slice))]
+}
+
+// based on https://github.com/moul/pipotron/blob/master/dict/ascii-face.yml

examples/gno.land/r/demo/art/gnoface/gnoface_test.gno

@@ -0,0 +1,136 @@
+package gnoface
+
+import (
+	"testing"
+
+	"gno.land/p/demo/ufmt"
+)
+
+func TestDraw(t *testing.T) {
+	cases := []struct {
+		seed     int64
+		expected string
+	}{
+		{
+			seed: 42,
+			expected: `
+  |||||||
+ ////////\
+ |       |
+ | ~   . |
+)| X   X |.
+ |       |
+ |   C   |
+ |       |
+ |  __/  |
+ |       |
+ \~~~~~~~/
+`[1:],
+		},
+		{
+			seed: 1337,
+			expected: `
+     s
+ /|||||||\
+ |       |
+ | .   * |
+o| ~   ~ |.
+ |       |
+ |   O   |
+ |       |
+ |  __/  |
+ |       |
+ \_______/
+`[1:],
+		},
+		{
+			seed: 123456789,
+			expected: `
+     s
+ /~~~~~~~\
+ |       |
+ | ~   . |
+<| ~   ~ |<
+ |       |
+ |   V   |
+ |       |
+ |  \_/  |
+ |       |
+ \-------/
+`[1:],
+		},
+	}
+	for _, tc := range cases {
+		name := ufmt.Sprintf("%d", tc.seed)
+		t.Run(name, func(t *testing.T) {
+			got := Draw(tc.seed)
+			if got != tc.expected {
+				t.Errorf("got %s, expected %s", got, tc.expected)
+			}
+		})
+	}
+}
+
+func TestRender(t *testing.T) {
+	cases := []struct {
+		path     string
+		expected string
+	}{
+		{
+			path: "42",
+			expected: "Gnoface #42\n```" + `
+  |||||||
+ ////////\
+ |       |
+ | ~   . |
+)| X   X |.
+ |       |
+ |   C   |
+ |       |
+ |  __/  |
+ |       |
+ \~~~~~~~/
+` + "```\n",
+		},
+		{
+			path: "1337",
+			expected: "Gnoface #1337\n```" + `
+     s
+ /|||||||\
+ |       |
+ | .   * |
+o| ~   ~ |.
+ |       |
+ |   O   |
+ |       |
+ |  __/  |
+ |       |
+ \_______/
+` + "```\n",
+		},
+		{
+			path: "123456789",
+			expected: "Gnoface #123456789\n```" + `
+     s
+ /~~~~~~~\
+ |       |
+ | ~   . |
+<| ~   ~ |<
+ |       |
+ |   V   |
+ |       |
+ |  \_/  |
+ |       |
+ \-------/
+` + "```\n",
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.path, func(t *testing.T) {
+			got := Render(tc.path)
+			if got != tc.expected {
+				t.Errorf("got %s, expected %s", got, tc.expected)
+			}
+		})
+	}
+}

examples/gno.land/r/demo/art/millipede/millipede.gno

@@ -0,0 +1,51 @@
+package millipede
+
+import (
+	"strconv"
+	"strings"
+
+	"gno.land/p/demo/ufmt"
+)
+
+const (
+	minSize     = 1
+	defaultSize = 20
+	maxSize     = 100
+)
+
+func Draw(size int) string {
+	if size < minSize || size > maxSize {
+		panic("invalid millipede size")
+	}
+	paddings := []string{"  ", " ", "", " ", "  ", "   ", "    ", "    ", "   "}
+	var b strings.Builder
+	b.WriteString("    ╚⊙ ⊙╝\n")
+	for i := 0; i < size; i++ {
+		b.WriteString(paddings[i%9] + "╚═(███)═╝\n")
+	}
+	return b.String()
+}
+
+func Render(path string) string {
+	size := defaultSize
+
+	path = strings.TrimSpace(path)
+	if path != "" {
+		var err error
+		size, err = strconv.Atoi(path)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	output := "```\n" + Draw(size) + "```\n"
+	if size > minSize {
+		output += ufmt.Sprintf("[%d](/r/art/millpede:%d)< ", size-1, size-1)
+	}
+	if size < maxSize {
+		output += ufmt.Sprintf(" >[%d](/r/art/millipede:%d)", size+1, size+1)
+	}
+	return output
+}
+
+// based on https://github.com/getmillipede/millipede-go/blob/977f046c39c35a650eac0fd30245e96b22c7803c/main.go

examples/gno.land/r/demo/art/millipede/millipede_test.gno

@@ -0,0 +1,59 @@
+package millipede
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestRender(t *testing.T) {
+	cases := []struct {
+		path     string
+		expected string
+	}{
+		{
+			path: "",
+			expected: "```" + `
+    ╚⊙ ⊙╝
+  ╚═(███)═╝
+ ╚═(███)═╝
+╚═(███)═╝
+ ╚═(███)═╝
+  ╚═(███)═╝
+   ╚═(███)═╝
+    ╚═(███)═╝
+    ╚═(███)═╝
+   ╚═(███)═╝
+  ╚═(███)═╝
+ ╚═(███)═╝
+╚═(███)═╝
+ ╚═(███)═╝
+  ╚═(███)═╝
+   ╚═(███)═╝
+    ╚═(███)═╝
+    ╚═(███)═╝
+   ╚═(███)═╝
+  ╚═(███)═╝
+ ╚═(███)═╝
+` + "```\n[19](/r/art/millpede:19)<  >[21](/r/art/millipede:21)",
+		},
+		{
+			path: "4",
+			expected: "```" + `
+    ╚⊙ ⊙╝
+  ╚═(███)═╝
+ ╚═(███)═╝
+╚═(███)═╝
+ ╚═(███)═╝
+` + "```\n[3](/r/art/millpede:3)<  >[5](/r/art/millipede:5)",
+		},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.path, func(t *testing.T) {
+			got := Render(tc.path)
+			if got != tc.expected {
+				t.Errorf("expected %s, got %s.", tc.expected, got)
+			}
+		})
+	}
+}