v0

2026-08-22 16:33:18 +02:00
commit a106a26277
14 changed files with 878 additions and 0 deletions
@@ -0,0 +1,116 @@
+package components
+
+import (
+	"image/color"
+	"os"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/text/v2"
+)
+
+const (
+	WINDOW_WIDTH  int = 1200
+	WINDOW_HEIGHT int = 800
+)
+
+type GameState int
+
+const (
+	MainMenu GameState = iota
+	Playing
+	Dead
+)
+
+type Game struct {
+	font *text.GoTextFaceSource
+
+	titleImg *ebiten.Image
+
+	state GameState
+	snake *Snake
+	menu  *Menu
+}
+
+func InitGame() *Game {
+	ebiten.SetWindowSize(WINDOW_WIDTH, WINDOW_HEIGHT)
+	ebiten.SetWindowTitle("Snake")
+
+	fontFile, err := os.Open("fonts/rockers_garage.ttf")
+	if err != nil {
+		panic(err)
+	}
+
+	font, err := text.NewGoTextFaceSource(fontFile)
+	if err != nil {
+		panic(err)
+	}
+
+	return &Game{
+		font:     font,
+		titleImg: initTitle(font),
+		state:    MainMenu,
+		snake:    InitSnake(WINDOW_WIDTH, WINDOW_HEIGHT),
+		menu:     InitMenu(),
+	}
+}
+
+func (g *Game) Update() error {
+	switch g.state {
+	case MainMenu:
+		g.menu.UpdateFocus()
+		g.menu.Click(g)
+
+	case Playing:
+		g.snake.Eat()
+		g.snake.Sprint()
+		g.snake.ManageDirection()
+		g.snake.Move()
+
+		if g.snake.HasCollided() {
+			g.snake.isDead = true
+		}
+
+		if g.snake.isDead {
+			g.snake.Click(g)
+		}
+	}
+
+	return nil
+}
+
+func (g *Game) Draw(screen *ebiten.Image) {
+	screen.DrawImage(g.titleImg, &ebiten.DrawImageOptions{})
+
+	switch g.state {
+	case MainMenu:
+		g.menu.Render(screen, g.font)
+
+	case Playing:
+		g.snake.Render(screen, g.font)
+	}
+}
+
+func (g *Game) Layout(outsideWith, outsideHeight int) (screenWidth, screenHeight int) {
+	return WINDOW_WIDTH, WINDOW_HEIGHT
+}
+
+func initTitle(font *text.GoTextFaceSource) *ebiten.Image {
+	face := &text.GoTextFace{
+		Source: font,
+		Size:   60,
+	}
+
+	titleW, _ := text.Measure("snake", face, 0)
+
+	fontOptions := &text.DrawOptions{}
+	fontOptions.GeoM.Translate(float64(WINDOW_WIDTH)/2-titleW/2, 10)
+	fontOptions.ColorScale.ScaleWithColor(color.RGBA{194, 169, 60, 1})
+
+	h := float64(WINDOW_HEIGHT) * 0.1
+
+	titleImg := ebiten.NewImage(WINDOW_WIDTH, int(h))
+
+	text.Draw(titleImg, "snake", face, fontOptions)
+
+	return titleImg
+}