initial commit

.gitignore

@@ -0,0 +1,3 @@
+dist
+*.zip
+.version

.woodpecker.yml

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+steps:
+  - name: version
+    image: alpine
+    commands:
+      - apk add --no-cache git make
+      - make ci-version
+
+  - name: build
+    image: golang:1.22
+    commands:
+      - make ci-export
+
+  - name: artifact
+    image: alpine
+    environment:
+      DROPAREA_HOST: vps.teletype.hu
+      DROPAREA_PORT: 2223
+      DROPAREA_TARGET_PATH: /home/drop
+      DROPAREA_USER: drop
+      DROPAREA_SSH_PASSWORD:
+        from_secret: droparea_ssh_password
+    commands:
+      - apk add --no-cache make openssh-client sshpass
+      - make ci-upload
+
+  - name: update
+    image: alpine
+    environment:
+      UPDATE_SERVER: https://games.vps.teletype.hu
+      UPDATE_SECRET:
+        from_secret: update_secret_key
+    commands:
+      - apk add --no-cache make curl
+      - make ci-update

Makefile

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+# -----------------------------------------
+# Makefile – Ebitengine project builder
+# -----------------------------------------
+
+PROJECT = ebitenginedemo
+
+BIN_DIR     = bin
+DIST_DIR    = dist
+WASM_NAME   = game.wasm
+OUTPUT_BIN  = $(BIN_DIR)/$(PROJECT)
+OUTPUT_WASM = $(DIST_DIR)/$(WASM_NAME)
+OUTPUT_JS   = $(DIST_DIR)/wasm_exec.js
+OUTPUT_ZIP  = $(PROJECT)-$(VERSION).html.zip
+
+VERSION_FILE = .version
+INDEX_HTML_URL = https://git.teletype.hu/tools/ebitengine-tools/raw/branch/master/web/index.html
+
+all: build
+
+build:
+	@mkdir -p $(BIN_DIR)
+	go build -o $(OUTPUT_BIN) .
+
+wasm:
+	@mkdir -p $(DIST_DIR)
+	GOOS=js GOARCH=wasm go build -o $(OUTPUT_WASM) .
+	cp "$$(go env GOROOT)/lib/wasm/wasm_exec.js" $(OUTPUT_JS)
+
+export: wasm
+	@if [ -z "$(VERSION)" ]; then \
+		echo "ERROR: VERSION not set!"; exit 1; \
+	fi
+	@echo "==> Downloading index.html"
+	curl -sSL $(INDEX_HTML_URL) -o $(DIST_DIR)/index.html
+	@echo "==> Packaging HTML/WASM for $(VERSION)"
+	zip -r $(OUTPUT_ZIP) -j $(DIST_DIR)/$(WASM_NAME) $(DIST_DIR)/wasm_exec.js $(DIST_DIR)/index.html
+	@echo "==> Cleaning temporary files"
+	rm -f $(DIST_DIR)/$(WASM_NAME) $(DIST_DIR)/wasm_exec.js $(DIST_DIR)/index.html
+
+watch:
+	fswatch -o . | while read; do make build; done
+
+clean:
+	rm -rf $(BIN_DIR) $(DIST_DIR)
+
+ci-version:
+	@VERSION=$$(git describe --tags --dirty --always); \
+	echo $$VERSION > $(VERSION_FILE)
+
+ci-export:
+	@VERSION=$$(cat $(VERSION_FILE)); \
+	$(MAKE) export VERSION=$$VERSION
+
+ci-upload:
+	@VERSION=$$(cat $(VERSION_FILE)); \
+	FILE=$(OUTPUT_ZIP); \
+	sshpass -p "$(DROPAREA_SSH_PASSWORD)" scp -o StrictHostKeyChecking=no -P $(DROPAREA_PORT) \
+	$$FILE $(DROPAREA_USER)@$(DROPAREA_HOST):$(DROPAREA_TARGET_PATH)/
+
+ci-update:
+	@VERSION=$$(cat $(VERSION_FILE)); \
+	curl "$(UPDATE_SERVER)/update?secret=$(UPDATE_SECRET)&name=$(PROJECT)&platform=ebitengine&version=$$VERSION"
+
+.PHONY: all build wasm export watch clean ci-version ci-export ci-upload ci-update

go.mod

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+module teletype-demo
+
+go 1.25.6
+
+require (
+	github.com/hajimehoshi/ebiten/v2 v2.9.8
+	golang.org/x/image v0.35.0
+)
+
+require (
+	github.com/ebitengine/gomobile v0.0.0-20250923094054-ea854a63cce1 // indirect
+	github.com/ebitengine/hideconsole v1.0.0 // indirect
+	github.com/ebitengine/purego v0.9.0 // indirect
+	github.com/jezek/xgb v1.1.1 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
+)

go.sum

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+github.com/ebitengine/gomobile v0.0.0-20250923094054-ea854a63cce1 h1:+kz5iTT3L7uU+VhlMfTb8hHcxLO3TlaELlX8wa4XjA0=
+github.com/ebitengine/gomobile v0.0.0-20250923094054-ea854a63cce1/go.mod h1:lKJoeixeJwnFmYsBny4vvCJGVFc3aYDalhuDsfZzWHI=
+github.com/ebitengine/hideconsole v1.0.0 h1:5J4U0kXF+pv/DhiXt5/lTz0eO5ogJ1iXb8Yj1yReDqE=
+github.com/ebitengine/hideconsole v1.0.0/go.mod h1:hTTBTvVYWKBuxPr7peweneWdkUwEuHuB3C1R/ielR1A=
+github.com/ebitengine/purego v0.9.0 h1:mh0zpKBIXDceC63hpvPuGLiJ8ZAa3DfrFTudmfi8A4k=
+github.com/ebitengine/purego v0.9.0/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/hajimehoshi/bitmapfont/v4 v4.1.0 h1:eE3qa5Do4qhowZVIHjsrX5pYyyPN6sAFWMsO7QREm3U=
+github.com/hajimehoshi/bitmapfont/v4 v4.1.0/go.mod h1:/PD+aLjAJ0F2UoQx6hkOfXqWN7BkroDUMr5W+IT1dpE=
+github.com/hajimehoshi/ebiten/v2 v2.9.8 h1:xI0hIctuTMjFFk8lqEcUzoLjFy8d/FOBa9PDTWX+1rw=
+github.com/hajimehoshi/ebiten/v2 v2.9.8/go.mod h1:DAt4tnkYYpCvu3x9i1X/nK/vOruNXIlYq/tBXxnhrXM=
+github.com/jezek/xgb v1.1.1 h1:bE/r8ZZtSv7l9gk6nU0mYx51aXrvnyb44892TwSaqS4=
+github.com/jezek/xgb v1.1.1/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
+github.com/pierrec/lz4/v4 v4.1.22 h1:cKFw6uJDK+/gfw5BcDL0JL5aBsAFdsIT18eRtLj7VIU=
+github.com/pierrec/lz4/v4 v4.1.22/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
+golang.org/x/image v0.35.0 h1:LKjiHdgMtO8z7Fh18nGY6KDcoEtVfsgLDPeLyguqb7I=
+golang.org/x/image v0.35.0/go.mod h1:MwPLTVgvxSASsxdLzKrl8BRFuyqMyGhLwmC+TO1Sybk=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
+golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=

main.go

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+package main
+
+import (
+	"image/color"
+	"log"
+	"math"
+	"time"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/text"
+	"golang.org/x/image/font/basicfont"
+)
+
+const (
+	screenW = 640
+	screenH = 480
+	scale   = 6.0
+	spacing = 1
+)
+
+type Game struct {
+	start time.Time
+}
+
+var palette = []color.RGBA{
+	{0x1a, 0x1c, 0x2c, 0xff},
+	{0x5d, 0x27, 0x5d, 0xff},
+	{0xb1, 0x3e, 0x53, 0xff},
+	{0xef, 0x7d, 0x57, 0xff},
+	{0xff, 0xcd, 0x75, 0xff},
+}
+
+func (g *Game) Update() error { return nil }
+
+func (g *Game) Draw(screen *ebiten.Image) {
+	screen.Fill(color.Black)
+
+	msg := "TELETYPE GAMES"
+	t := float64(time.Since(g.start).Milliseconds()) / 400.0
+
+	charW := int(7*scale) + spacing
+	totalW := len(msg) * charW
+	startX := (screenW - totalW) / 2
+	baseY := screenH / 2
+
+	for i, r := range msg {
+		x := startX + i*charW
+		y := baseY + int(math.Sin(t+float64(i)*0.4)*28)
+		col := palette[(i+int(t*2))%len(palette)]
+
+		draw := func(dx, dy int, c color.Color) {
+			op := &ebiten.DrawImageOptions{}
+			op.GeoM.Scale(scale, scale)
+			op.GeoM.Translate(float64(x+dx), float64(y+dy))
+			op.ColorScale.ScaleWithColor(c)
+			text.DrawWithOptions(screen, string(r), basicfont.Face7x13, op)
+		}
+
+		draw(4, 4, color.RGBA{0, 0, 0, 180})
+		draw(0, 0, col)
+	}
+}
+
+func (g *Game) Layout(_, _ int) (int, int) {
+	return screenW, screenH
+}
+
+func main() {
+	ebiten.SetWindowSize(screenW, screenH)
+	ebiten.SetWindowTitle("Teletype Games")
+
+	game := &Game{start: time.Now()}
+	if err := ebiten.RunGame(game); err != nil {
+		log.Fatal(err)
+	}
+}