mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 13:07:26 +01:00
ad51e22252
This change fixes the issue by letting ReadPixels return a channel and executing this asynchronously when needed. Closes #2815
73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
// Copyright 2023 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build ignore
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package main
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import (
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"time"
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"github.com/hajimehoshi/ebiten/v2"
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)
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type Game struct {
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init bool
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count int
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end0 chan struct{}
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end1 chan struct{}
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}
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func (g *Game) Update() error {
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if !g.init {
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g.end0 = make(chan struct{})
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g.end1 = make(chan struct{})
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img := ebiten.NewImage(1, 1)
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go func() {
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t := time.Tick(time.Microsecond)
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loop:
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for {
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select {
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case <-t:
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img.At(0, 0)
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case <-g.end0:
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close(g.end1)
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break loop
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}
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}
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}()
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g.init = true
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}
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g.count++
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if g.count >= 60 {
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close(g.end0)
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<-g.end1
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return ebiten.Termination
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}
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return nil
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}
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func (g *Game) Draw(screen *ebiten.Image) {
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}
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func (g *Game) Layout(w, h int) (int, int) {
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return 320, 240
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}
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func main() {
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if err := ebiten.RunGame(&Game{}); err != nil {
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panic(err)
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}
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}
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