initial commit

main.go

@@ -0,0 +1,76 @@
+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)
+	}
+}