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examples/contextlost: Use gopherwasm

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This commit is contained in:
Hajime Hoshi 2018-05-25 02:08:32 +09:00
parent 980055e07a
commit cc748f15e4
1 changed files with 4 additions and 4 deletions
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8
examples/contextlost/main.go
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@ -24,7 +24,7 @@ import (
"log"
"math"
"github.com/gopherjs/gopherjs/js"
"github.com/hajimehoshi/gopherwasm/js"
"github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/ebitenutil"
@ -44,16 +44,16 @@ var (
)
func update(screen *ebiten.Image) error {
if inpututil.IsKeyJustPressed(ebiten.KeySpace) && js.Global != nil {
if inpututil.IsKeyJustPressed(ebiten.KeySpace) && js.Global != js.Null {
doc := js.Global.Get("document")
canvas := doc.Call("getElementsByTagName", "canvas").Index(0)
context := canvas.Call("getContext", "webgl")
if context == nil {
if context == js.Null {
context = canvas.Call("getContext", "experimental-webgl")
}
// Edge might not support the extension. See
// https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_lose_context
if ext := context.Call("getExtension", "WEBGL_lose_context"); ext != nil {
if ext := context.Call("getExtension", "WEBGL_lose_context"); ext != js.Null {
ext.Call("loseContext")
fmt.Println("Context Lost!")
} else {