Initial commit: Add main menu with Thai, Korean, Japanese buttons and language screens

main.go

@@ -0,0 +1,201 @@
+package main
+
+import (
+	"runtime"
+
+	"github.com/gen2brain/raylib-go/raylib"
+)
+
+// Button represents a clickable button with animation state
+type Button struct {
+	Bounds   rl.Rectangle
+	Text    string
+	Color   rl.Color
+	Hovered bool
+	Clicked bool
+	Scale   float32
+	Action  string
+}
+
+// Screen represents different application screens
+const (
+	ScreenMenu      = "menu"
+	ScreenThai      = "thai"
+	ScreenKorean    = "korean"
+	ScreenJapanese  = "japanese"
+)
+
+func main() {
+	// Initialize window
+	screenWidth := int32(800)
+	screenHeight := int32(450)
+
+	rl.InitWindow(screenWidth, screenHeight, "Learning Raylib in Go")
+	defer rl.CloseWindow()
+
+	// Set target FPS
+	rl.SetTargetFPS(60)
+
+	// Button dimensions and positions
+	buttonWidth := int32(200)
+	buttonHeight := int32(50)
+	buttonSpacing := int32(20)
+	startY := int32(screenHeight/2) - (buttonHeight*3 + buttonSpacing*2)/2
+
+	// Create buttons
+	thaiBtn := Button{
+		Bounds: rl.Rectangle{
+			X:      float32(screenWidth/2 - buttonWidth/2),
+			Y:      float32(startY),
+			Width:  float32(buttonWidth),
+			Height: float32(buttonHeight),
+		},
+		Text:   "Thai",
+		Color:  rl.LightGray,
+		Scale:  1.0,
+		Action: ScreenThai,
+	}
+
+	koreanBtn := Button{
+		Bounds: rl.Rectangle{
+			X:      float32(screenWidth/2 - buttonWidth/2),
+			Y:      float32(startY + buttonHeight + buttonSpacing),
+			Width:  float32(buttonWidth),
+			Height: float32(buttonHeight),
+		},
+		Text:   "Korean",
+		Color:  rl.LightGray,
+		Scale:  1.0,
+		Action: ScreenKorean,
+	}
+
+	japaneseBtn := Button{
+		Bounds: rl.Rectangle{
+			X:      float32(screenWidth/2 - buttonWidth/2),
+			Y:      float32(startY + (buttonHeight+buttonSpacing)*2),
+			Width:  float32(buttonWidth),
+			Height: float32(buttonHeight),
+		},
+		Text:   "Japanese",
+		Color:  rl.LightGray,
+		Scale:  1.0,
+		Action: ScreenJapanese,
+	}
+
+	buttons := []*Button{&thaiBtn, &koreanBtn, &japaneseBtn}
+
+	// Current screen state
+	currentScreen := ScreenMenu
+	prevScreen := ScreenMenu
+
+	// Main game loop
+	for !rl.WindowShouldClose() {
+		// Get mouse position
+		mousePos := rl.GetMousePosition()
+
+		// Handle screen transitions
+		if currentScreen != prevScreen {
+			// Reset button states when changing screens
+			for _, btn := range buttons {
+				btn.Clicked = false
+				btn.Scale = 1.0
+			}
+			prevScreen = currentScreen
+		}
+
+		// Update button states and handle clicks
+		for _, btn := range buttons {
+			btn.Hovered = rl.CheckCollisionPointRec(mousePos, btn.Bounds)
+
+			// Handle click animation
+			if btn.Clicked {
+				btn.Scale += 0.05
+				if btn.Scale >= 1.1 {
+					btn.Clicked = false
+				}
+			} else if btn.Scale > 1.0 {
+				btn.Scale -= 0.05
+				if btn.Scale < 1.0 {
+					btn.Scale = 1.0
+				}
+			} else {
+				btn.Scale = 1.0
+			}
+
+			// Handle click - only on menu screen
+			if currentScreen == ScreenMenu && btn.Hovered && rl.IsMouseButtonPressed(rl.MouseLeftButton) {
+				btn.Clicked = true
+				btn.Scale = 0.95
+				currentScreen = btn.Action
+			}
+		}
+
+		// Begin drawing
+		rl.BeginDrawing()
+
+		// Clear background
+		rl.ClearBackground(rl.RayWhite)
+
+		// Draw appropriate screen
+		switch currentScreen {
+		case ScreenMenu:
+			// Draw title
+			rl.DrawText("Main Menu", int32(screenWidth/2)-50, startY-60, 30, rl.Black)
+
+			// Draw buttons
+			for _, btn := range buttons {
+				// Calculate scaled bounds for animation
+				scaledWidth := btn.Bounds.Width * btn.Scale
+				scaledHeight := btn.Bounds.Height * btn.Scale
+				scaledX := btn.Bounds.X - (scaledWidth-btn.Bounds.Width)/2
+				scaledY := btn.Bounds.Y - (scaledHeight-btn.Bounds.Height)/2
+
+				// Draw button with animation
+				if btn.Hovered {
+					rl.DrawRectangleRec(rl.Rectangle{X: scaledX, Y: scaledY, Width: scaledWidth, Height: scaledHeight}, rl.DarkGray)
+				} else {
+					rl.DrawRectangleRec(rl.Rectangle{X: scaledX, Y: scaledY, Width: scaledWidth, Height: scaledHeight}, btn.Color)
+				}
+				rl.DrawRectangleLinesEx(rl.Rectangle{X: scaledX, Y: scaledY, Width: scaledWidth, Height: scaledHeight}, 2, rl.Black)
+
+				// Draw text
+				textWidth := rl.MeasureText(btn.Text, 20)
+				textX := int32(scaledX) + int32(scaledWidth)/2 - textWidth/2
+				textY := int32(scaledY) + int32(scaledHeight)/2 - 10
+				rl.DrawText(btn.Text, textX, textY, 20, rl.Black)
+			}
+
+		case ScreenThai:
+			rl.DrawText("Thai Language Screen", screenWidth/2-100, screenHeight/2-20, 30, rl.Red)
+			rl.DrawText("Press ESC to return to menu", screenWidth/2-120, screenHeight/2+30, 20, rl.Black)
+			if rl.IsKeyPressed(rl.KeyEscape) {
+				currentScreen = ScreenMenu
+			}
+
+		case ScreenKorean:
+			rl.DrawText("Korean Language Screen", screenWidth/2-120, screenHeight/2-20, 30, rl.Blue)
+			rl.DrawText("Press ESC to return to menu", screenWidth/2-120, screenHeight/2+30, 20, rl.Black)
+			if rl.IsKeyPressed(rl.KeyEscape) {
+				currentScreen = ScreenMenu
+			}
+
+		case ScreenJapanese:
+			rl.DrawText("Japanese Language Screen", screenWidth/2-140, screenHeight/2-20, 30, rl.Green)
+			rl.DrawText("Press ESC to return to menu", screenWidth/2-120, screenHeight/2+30, 20, rl.Black)
+			if rl.IsKeyPressed(rl.KeyEscape) {
+				currentScreen = ScreenMenu
+			}
+		}
+
+		// Draw FPS counter
+		rl.DrawFPS(10, 10)
+
+		// End drawing
+		rl.EndDrawing()
+	}
+}
+
+// Required for raylib-go on some platforms
+func init() {
+	runtime.LockOSThread()
+}