ebiten/internal/ui/ui_js.go
2015-01-02 15:20:05 +09:00

65 lines
1.4 KiB
Go

// Copyright 2015 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 js
package ui
import (
"github.com/gopherjs/gopherjs/js"
"github.com/gopherjs/webgl"
"github.com/hajimehoshi/ebiten/internal/opengl"
"time"
)
var canvas js.Object
var context *opengl.Context
func Use(f func(*opengl.Context)) {
f(context)
}
func DoEvents() {
time.Sleep(1)
}
func Terminate() {
// Do nothing.
}
func IsClosed() bool {
return false
}
func SwapBuffers() {
// Do nothing.
}
func init() {
canvas = js.Global.Get("Canvas").New()
js.Global.Get("document").Get("body").Call("appendChild", canvas)
webglContext, err := webgl.NewContext(canvas, &webgl.ContextAttributes{
Alpha: true,
PremultipliedAlpha: true,
})
if err != nil {
panic(err)
}
context = opengl.NewContext(webglContext)
}
func Start(width, height, scale int, title string) (actualScale int, err error) {
return scale, nil
}