ebiten/examples/blocks/blocks/game.go
2016-10-16 00:09:03 +09:00

60 lines
1.3 KiB
Go

// Copyright 2014 Hajime Hoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build example
package blocks
import (
"sync"
"github.com/hajimehoshi/ebiten"
)
const ScreenWidth = 256
const ScreenHeight = 240
type GameState struct {
SceneManager *SceneManager
Input *Input
}
type Game struct {
once sync.Once
sceneManager *SceneManager
input Input
}
func NewGame() *Game {
return &Game{
sceneManager: NewSceneManager(NewTitleScene()),
}
}
func (game *Game) Update(r *ebiten.Image) error {
game.input.Update()
if err := game.sceneManager.Update(&GameState{
SceneManager: game.sceneManager,
Input: &game.input,
}); err != nil {
return err
}
if !ebiten.IsRunningSlowly() {
if err := game.sceneManager.Draw(r); err != nil {
return err
}
}
return nil
}