ebiten/mobile/impl_mobile.go
2018-05-03 22:07:03 +09:00

45 lines
1.2 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 ios
package mobile
import (
"errors"
"github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/internal/ui"
)
var (
chError <-chan error
running bool
)
func update() error {
if chError == nil {
return errors.New("mobile: chError must not be nil: Start is not called yet?")
}
if !running {
return errors.New("mobile: start must be called ahead of update")
}
return ui.Render(chError)
}
func start(f func(*ebiten.Image) error, width, height int, scale float64, title string) {
running = true
chError = ebiten.RunWithoutMainLoop(f, width, height, scale, title)
}