Implement GameContext.Terminate

ebiten.go

@@ -35,6 +35,7 @@ type Game interface {
 
 type GameContext interface {
 	InputState() InputState
+	Terminate()
 }
 
 type InputState struct {

example/game/terminate/terminate.go

@@ -0,0 +1,60 @@
+// Copyright 2013 Hajime Hoshi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+package terminate
+
+import (
+	"github.com/hajimehoshi/go.ebiten"
+	"github.com/hajimehoshi/go.ebiten/graphics"
+)
+
+type Terminate struct {
+	life int
+}
+
+func New() *Terminate {
+	return &Terminate{60}
+}
+
+func (game *Terminate) ScreenWidth() int {
+	return 256
+}
+
+func (game *Terminate) ScreenHeight() int {
+	return 240
+}
+
+func (game *Terminate) Fps() int {
+	return 60
+}
+
+func (game *Terminate) Init(tf graphics.TextureFactory) {
+}
+
+func (game *Terminate) Update(context ebiten.GameContext) {
+	game.life--
+	if game.life <= 0 {
+		context.Terminate()
+	}
+}
+
+func (game *Terminate) Draw(context graphics.Context) {
+}
+

example/main.go

@@ -28,6 +28,7 @@ import (
 	"github.com/hajimehoshi/go.ebiten/example/game/rects"
 	"github.com/hajimehoshi/go.ebiten/example/game/rotating"
 	"github.com/hajimehoshi/go.ebiten/example/game/sprites"
+	"github.com/hajimehoshi/go.ebiten/example/game/terminate"
 	"github.com/hajimehoshi/go.ebiten/ui/glut"
 	"os"
 	"runtime"
@@ -55,6 +56,8 @@ func main() {
 		game = rotating.New()
 	case "sprites":
 		game = sprites.New()
+	case "terminate":
+		game = terminate.New()
 	default:
 		game = rotating.New()
 	}

ui/glut/glut.go

@@ -188,7 +188,11 @@ func Run(game ebiten.Game, screenScale int, title string) {
 				}
 				<-ch
 			}
+			if gameContext.terminated {
+				break
+			}
 		}
+		os.Exit(0)
 	}()
 
 	C.glutMainLoop()
@@ -196,8 +200,13 @@ func Run(game ebiten.Game, screenScale int, title string) {
 
 type GameContext struct {
 	inputState ebiten.InputState
+	terminated bool
 }
 
 func (context *GameContext) InputState() ebiten.InputState {
 	return context.inputState
 }
+
+func (context *GameContext) Terminate() {
+	context.terminated = true
+}