ebiten/mobile/mobile.go
2019-08-18 18:33:51 +09:00

52 lines
1.7 KiB
Go

// Copyright 2019 The Ebiten Authors
//
// 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.
// Package mobile provides functions for mobile platforms (Android and iOS).
//
// This package is used when you use `ebitenmobile bind`.
//
// For usage, see https://ebiten.org/mobile.html.
package mobile
import (
"github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/mobile/ebitenmobileview"
)
// Game defines necessary functions for a mobile game.
type Game interface {
// Update updates a game by one frame.
Update(*ebiten.Image) error
// Layout accepts a native view size in DP (device-independent pixels) and returns the game's logical screen
// size.
//
// The screen scale is automatically adjusted to fit the view.
//
// Layout is called at an initialization and whenever the view size is changed.
//
// You can return a fixed screen size if you don't care, or you can also return a calculated screen size
// adjusted with the given view size.
Layout(viewWidth, viewHeight int) (screenWidth, screenHeight int)
}
// SetGame sets a mobile game.
//
// SetGame is epxected to be called only once.
//
// SetGame is expected to be called at initialization phase like an init function.
func SetGame(game Game) {
ebitenmobileview.SetGame(game)
}