ebiten/mobile/run.go
2016-05-22 18:05:06 +09:00

53 lines
1.4 KiB
Go

// Copyright 2016 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 android
package mobile
import (
"errors"
"runtime"
"github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/internal/ui"
)
var chError <-chan error
// Start starts the game and returns immediately.
//
// Different from ebiten.Run, this invokes only the game loop and not the main (UI) loop.
func Start(f func(*ebiten.Image) error, width, height, scale int, title string) {
chError = ebiten.RunWithoutMainLoop(f, width, height, scale, title)
}
func SetScreenSize(width, height int) {
ui.CurrentUI().SetScreenSize(width, height)
}
func SetScreenScale(scale int) {
ui.CurrentUI().SetScreenScale(scale)
}
func Render() error {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
if chError == nil {
return errors.New("mobile: chError must not be nil: Start is not called yet?")
}
return ui.Render(chError)
}