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Add examples/tiles
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Hajime Hoshi
parent
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commit
6404d28fe5
@ -31,6 +31,14 @@ http://opengameart.org/node/8016
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CC0 1.0
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```
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## tiles.png
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```
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https://opengameart.org/content/orthographic-outdoor-tiles
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CC0 1.0
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```
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## platformer/right.png platformer/left.png platformer/mainchar.png
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```
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BIN
examples/_resources/images/tiles.png
Normal file
BIN
examples/_resources/images/tiles.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 18 KiB |
125
examples/tiles/main.go
Normal file
125
examples/tiles/main.go
Normal file
@ -0,0 +1,125 @@
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// Copyright 2018 The Ebiten 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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// +build example
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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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"log"
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/ebitenutil"
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)
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const (
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screenWidth = 240
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screenHeight = 240
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)
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const (
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tileSize = 16
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tileXNum = 25
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)
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var (
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tilesImage *ebiten.Image
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)
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func init() {
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var err error
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tilesImage, _, err = ebitenutil.NewImageFromFile("_resources/images/tiles.png", ebiten.FilterNearest)
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if err != nil {
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log.Fatal(err)
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}
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}
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var (
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layers = [][]int{
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{
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 218, 243, 243, 243, 243, 243, 243, 243, 243, 243, 218, 243, 244, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 244, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 219, 243, 243, 243, 219, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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243, 218, 243, 243, 243, 243, 243, 243, 243, 243, 243, 244, 243, 243, 243,
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243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243, 243,
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},
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 51, 52, 53, 54, 55, 56, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 76, 77, 78, 79, 80, 81, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 101, 102, 103, 104, 105, 106, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 126, 127, 128, 129, 130, 131, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 303, 303, 245, 242, 303, 303, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 245, 242, 0, 0, 0, 0, 0, 0,
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},
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}
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)
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func update(screen *ebiten.Image) error {
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if ebiten.IsRunningSlowly() {
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return nil
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}
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// Draw each tile with each DrawImage call.
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// As the source images of all DrawImage calls are always same,
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// this rendering is done very effectively.
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// For more detail, see https://godoc.org/github.com/hajimehoshi/ebiten#Image.DrawImage
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const xNum = screenWidth / tileSize
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for _, l := range layers {
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for i, t := range l {
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op := &ebiten.DrawImageOptions{}
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op.GeoM.Translate(float64((i%xNum)*tileSize), float64((i/xNum)*tileSize))
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sx := (t % tileXNum) * tileSize
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sy := (t / tileXNum) * tileSize
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r := image.Rect(sx, sy, sx+tileSize, sy+tileSize)
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op.SourceRect = &r
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screen.DrawImage(tilesImage, op)
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}
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}
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ebitenutil.DebugPrint(screen, fmt.Sprintf("FPS: %0.2f", ebiten.CurrentFPS()))
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return nil
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}
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func main() {
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if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Tiles (Ebiten Demo)"); err != nil {
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log.Fatal(err)
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}
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}
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