mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
// Copyright 2022 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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"fmt"
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"image"
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"image/color"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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)
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var (
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baseImage *ebiten.Image
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derivedImage *ebiten.Image
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)
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func init() {
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const (
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w = 36
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h = 40
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)
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baseImage = ebiten.NewImage(w, h)
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derivedImage = ebiten.NewImage(w, h)
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baseImage.Fill(color.White)
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for j := 0; j < h; j++ {
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for i := 0; i < w; i++ {
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baseImage.SubImage(image.Rect(i, j, i+1, j+1)).(*ebiten.Image).WritePixels([]byte{0, 0, 0, 0xff})
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}
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}
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derivedImage.DrawImage(baseImage, nil)
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}
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type Game struct {
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count int
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}
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func (g *Game) Update() error {
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g.count++
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if g.count == 16 {
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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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screen.Fill(color.White)
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screen.DrawImage(derivedImage, nil)
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if g.count >= 8 {
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if got, want := screen.At(0, 0), (color.RGBA{0, 0, 0, 0xff}); got != want {
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panic(fmt.Sprintf("got: %v, want: %v", got, want))
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}
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}
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// The below 3 line matters to reproduce #2154.
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mx, my := ebiten.CursorPosition()
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msg := fmt.Sprintf("TPS: %.01f; FPS: %.01f; cursor: (%d, %d)", ebiten.ActualTPS(), ebiten.ActualFPS(), mx, my)
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ebitenutil.DebugPrint(screen, msg)
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}
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func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
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return 640, 480
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}
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func main() {
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ebiten.SetWindowTitle("Test")
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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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