mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 11:18:54 +01:00
94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
// Copyright 2022 The Ebitengine Authors
|
|
//
|
|
// 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.
|
|
|
|
//go:build ignore
|
|
// +build ignore
|
|
|
|
package main
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"image"
|
|
"image/color"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2"
|
|
"github.com/hajimehoshi/ebiten/v2/ebitenutil"
|
|
)
|
|
|
|
var regularTermination = errors.New("regular termination")
|
|
|
|
var (
|
|
baseImage *ebiten.Image
|
|
derivedImage *ebiten.Image
|
|
)
|
|
|
|
func init() {
|
|
const (
|
|
w = 36
|
|
h = 40
|
|
)
|
|
|
|
baseImage = ebiten.NewImage(w, h)
|
|
derivedImage = ebiten.NewImage(w, h)
|
|
|
|
baseImage.Fill(color.White)
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
baseImage.SubImage(image.Rect(i, j, i+1, j+1)).(*ebiten.Image).WritePixels([]byte{0, 0, 0, 0xff})
|
|
}
|
|
}
|
|
derivedImage.DrawImage(baseImage, nil)
|
|
}
|
|
|
|
type Game struct {
|
|
count int
|
|
}
|
|
|
|
func (g *Game) Update() error {
|
|
g.count++
|
|
if g.count == 16 {
|
|
return regularTermination
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (g *Game) Draw(screen *ebiten.Image) {
|
|
screen.Fill(color.White)
|
|
|
|
screen.DrawImage(derivedImage, nil)
|
|
if g.count >= 8 {
|
|
if got, want := screen.At(0, 0), (color.RGBA{0, 0, 0, 0xff}); got != want {
|
|
panic(fmt.Sprintf("got: %v, want: %v", got, want))
|
|
}
|
|
}
|
|
|
|
// The blow 3 line matters to reproduce #2154.
|
|
mx, my := ebiten.CursorPosition()
|
|
msg := fmt.Sprintf("TPS: %.01f; FPS: %.01f; cursor: (%d, %d)", ebiten.ActualTPS(), ebiten.ActualFPS(), mx, my)
|
|
ebitenutil.DebugPrint(screen, msg)
|
|
}
|
|
|
|
func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
|
|
return 640, 480
|
|
}
|
|
|
|
func main() {
|
|
ebiten.SetWindowTitle("Test")
|
|
|
|
if err := ebiten.RunGame(&Game{}); err != nil && !errors.Is(err, regularTermination) {
|
|
panic(err)
|
|
}
|
|
}
|