mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
77 lines
2.0 KiB
Go
77 lines
2.0 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.
|
|
|
|
// Package ebitenmobileview offers functions for OpenGL/Metal view of mobiles.
|
|
//
|
|
// The functions are not intended for public usages.
|
|
// There is no guarantee of backward compatibility.
|
|
package ebitenmobileview
|
|
|
|
import (
|
|
"math"
|
|
"runtime"
|
|
)
|
|
|
|
type ViewRectSetter interface {
|
|
SetViewRect(x, y, width, height int)
|
|
}
|
|
|
|
func Layout(viewWidth, viewHeight int, viewRectSetter ViewRectSetter) {
|
|
theState.m.Lock()
|
|
defer theState.m.Unlock()
|
|
|
|
if theState.game == nil {
|
|
panic("ebitenmobileview: SetGame must be called before ebitenLayout")
|
|
}
|
|
|
|
w, h := theState.game.Layout(int(viewWidth), int(viewHeight))
|
|
scaleX := float64(viewWidth) / float64(w)
|
|
scaleY := float64(viewHeight) / float64(h)
|
|
scale := math.Min(scaleX, scaleY)
|
|
|
|
width := int(math.Ceil(float64(w) * scale))
|
|
height := int(math.Ceil(float64(h) * scale))
|
|
x := (viewWidth - width) / 2
|
|
y := (viewHeight - height) / 2
|
|
|
|
if !theState.running {
|
|
start(theState.game.Update, w, h, scale)
|
|
theState.running = true
|
|
} else {
|
|
// TODO: Change the screen size
|
|
}
|
|
|
|
if viewRectSetter != nil {
|
|
viewRectSetter.SetViewRect(x, y, width, height)
|
|
}
|
|
}
|
|
|
|
func Update() error {
|
|
runtime.LockOSThread()
|
|
defer runtime.UnlockOSThread()
|
|
|
|
theState.m.Lock()
|
|
defer theState.m.Unlock()
|
|
|
|
return update()
|
|
}
|
|
|
|
func UpdateTouchesOnAndroid(action int, id int, x, y int) {
|
|
updateTouchesOnAndroid(action, id, x, y)
|
|
}
|
|
|
|
func UpdateTouchesOnIOS(phase int, ptr int64, x, y int) {
|
|
updateTouchesOnIOSImpl(phase, ptr, x, y)
|
|
}
|