Added menu and sprinting

internal/ui/menu/menu.go

@@ -0,0 +1,148 @@
+package menu
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/inpututil"
+	"github.com/hajimehoshi/ebiten/v2/text/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+	"golang.org/x/image/font/basicfont"
+)
+
+var (
+	basicFace       = text.NewGoXFace(basicfont.Face7x13)
+	basicFaceAscent = basicFace.Metrics().HAscent
+)
+
+type MenuOption int
+
+const (
+	OptionResume MenuOption = iota
+	OptionSettings
+	OptionQuit
+	optionCount
+)
+
+type PauseMenu struct {
+	selectedIndex int
+	showWIP       bool
+}
+
+func NewPauseMenu() *PauseMenu {
+	return &PauseMenu{
+		selectedIndex: 0,
+		showWIP:       false,
+	}
+}
+
+// Returns the selected option if one was chosen, nil otherwise
+func (m *PauseMenu) Update() *MenuOption {
+	// Handle up/down navigation
+	if inpututil.IsKeyJustPressed(ebiten.KeyArrowUp) || inpututil.IsKeyJustPressed(ebiten.KeyW) {
+		m.selectedIndex--
+		if m.selectedIndex < 0 {
+			m.selectedIndex = int(optionCount) - 1
+		}
+		m.showWIP = false
+	}
+	if inpututil.IsKeyJustPressed(ebiten.KeyArrowDown) || inpututil.IsKeyJustPressed(ebiten.KeyS) {
+		m.selectedIndex++
+		if m.selectedIndex >= int(optionCount) {
+			m.selectedIndex = 0
+		}
+		m.showWIP = false
+	}
+
+	// Handle selection
+	if inpututil.IsKeyJustPressed(ebiten.KeyEnter) || inpututil.IsKeyJustPressed(ebiten.KeySpace) {
+		selected := MenuOption(m.selectedIndex)
+		if selected == OptionSettings {
+			m.showWIP = true
+			return nil
+		}
+		return &selected
+	}
+
+	return nil
+}
+
+func (m *PauseMenu) Draw(screen *ebiten.Image, screenWidth, screenHeight int) {
+	// Draw semi-transparent overlay
+	overlay := ebiten.NewImage(screenWidth, screenHeight)
+	overlay.Fill(color.RGBA{R: 0, G: 0, B: 0, A: 180})
+	screen.DrawImage(overlay, nil)
+
+	// Menu dimensions
+	menuWidth := 400
+	menuHeight := 300
+	menuX := (screenWidth - menuWidth) / 2
+	menuY := (screenHeight - menuHeight) / 2
+
+	// Draw menu background
+	vector.DrawFilledRect(screen,
+		float32(menuX), float32(menuY),
+		float32(menuWidth), float32(menuHeight),
+		color.RGBA{R: 40, G: 40, B: 50, A: 255},
+		false,
+	)
+
+	// Draw menu border
+	vector.StrokeRect(screen,
+		float32(menuX), float32(menuY),
+		float32(menuWidth), float32(menuHeight),
+		2,
+		color.RGBA{R: 100, G: 100, B: 120, A: 255},
+		false,
+	)
+
+	// Draw title
+	titleText := "PAUSED"
+	titleX := menuX + (menuWidth / 2) - (len(titleText) * 7 / 2)
+	titleY := menuY + 50
+	m.drawText(screen, titleText, color.White, titleX, titleY)
+
+	// Draw menu options
+	options := []string{"Resume", "Settings", "Quit"}
+	startY := menuY + 110
+
+	for i, option := range options {
+		optionY := startY + (i * 40)
+		optionX := menuX + (menuWidth / 2) - (len(option) * 7 / 2)
+
+		// Draw selection indicator
+		if i == m.selectedIndex {
+			indicatorX := optionX - 20
+			m.drawText(screen, ">", color.RGBA{R: 255, G: 200, B: 0, A: 255}, indicatorX, optionY)
+			m.drawText(screen, option, color.RGBA{R: 255, G: 255, B: 100, A: 255}, optionX, optionY)
+		} else {
+			m.drawText(screen, option, color.RGBA{R: 180, G: 180, B: 180, A: 255}, optionX, optionY)
+		}
+	}
+
+	// Draw WIP message if settings was selected
+	if m.showWIP {
+		wipY := startY + 140
+		wipText := "Work In Progress"
+		wipX := menuX + (menuWidth / 2) - (len(wipText) * 7 / 2)
+		m.drawText(screen, wipText, color.RGBA{R: 255, G: 150, B: 0, A: 255}, wipX, wipY)
+	}
+
+	// Draw controls hint at bottom
+	hintText := "Use Arrow Keys/WASD to navigate, Enter/Space to select"
+	hintX := menuX + (menuWidth / 2) - (len(hintText) * 7 / 2)
+	hintY := menuY + menuHeight - 30
+	m.drawText(screen, hintText, color.RGBA{R: 150, G: 150, B: 150, A: 255}, hintX, hintY)
+}
+
+func (m *PauseMenu) drawText(screen *ebiten.Image, txt string, clr color.Color, x, y int) {
+	op := &text.DrawOptions{}
+	op.GeoM.Translate(float64(x), float64(y)-basicFaceAscent)
+	op.ColorScale.ScaleWithColor(clr)
+	text.Draw(screen, txt, basicFace, op)
+}
+
+func (m *PauseMenu) Reset() {
+	m.selectedIndex = 0
+	m.showWIP = false
+}