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https://github.com/hajimehoshi/ebiten.git
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parent
ee049a19ac
commit
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@ -34,6 +34,7 @@
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//go:generate file2byteslice -package=mascot -input=./images/mascot/out02.png -output=./images/mascot/out02.go -var=Out02_png
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//go:generate file2byteslice -package=mascot -input=./images/mascot/out02.png -output=./images/mascot/out02.go -var=Out02_png
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//go:generate file2byteslice -package=mascot -input=./images/mascot/out03.png -output=./images/mascot/out03.go -var=Out03_png
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//go:generate file2byteslice -package=mascot -input=./images/mascot/out03.png -output=./images/mascot/out03.go -var=Out03_png
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//go:generate file2byteslice -package=shader -input=./images/shader/gopher.png -output=./images/shader/gopher.go -var=Gopher_png
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//go:generate file2byteslice -package=shader -input=./images/shader/gopher.png -output=./images/shader/gopher.go -var=Gopher_png
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//go:generate file2byteslice -package=shader -input=./images/shader/gopherbg.png -output=./images/shader/gopherbg.go -var=GopherBg_png
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//go:generate file2byteslice -package=shader -input=./images/shader/normal.png -output=./images/shader/normal.go -var=Normal_png
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//go:generate file2byteslice -package=shader -input=./images/shader/normal.png -output=./images/shader/normal.go -var=Normal_png
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//go:generate file2byteslice -package=platformer -input=./images/platformer/background.png -output=./images/platformer/background.go -var=Background_png
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//go:generate file2byteslice -package=platformer -input=./images/platformer/background.png -output=./images/platformer/background.go -var=Background_png
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//go:generate file2byteslice -package=platformer -input=./images/platformer/left.png -output=./images/platformer/left.go -var=Left_png
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//go:generate file2byteslice -package=platformer -input=./images/platformer/left.png -output=./images/platformer/left.go -var=Left_png
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@ -99,6 +99,24 @@ Read this article for more details: https://blog.golang.org/gopher
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https://corvussg.itch.io/2d-game-backgrounds
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https://corvussg.itch.io/2d-game-backgrounds
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```
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```
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## shader/gopher.png
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```
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The Go gopher was designed by Renee French. (http://reneefrench.blogspot.com/)
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The design is licensed under the Creative Commons 3.0 Attributions license.
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Read this article for more details: https://blog.golang.org/gopher
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```
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## shader/gopherbg.png
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```
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https://commons.wikimedia.org/wiki/File:Solna_Brick_wall_vilt_forband.jpg
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By Håkan Svensson Xauxa
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The Creative Commons Attribution-Share Alike 3.0 Unported license
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```
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## Other image files
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## Other image files
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```
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```
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6
examples/resources/images/shader/gopherbg.go
Normal file
6
examples/resources/images/shader/gopherbg.go
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File diff suppressed because one or more lines are too long
BIN
examples/resources/images/shader/gopherbg.png
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BIN
examples/resources/images/shader/gopherbg.png
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After Width: | Height: | Size: 540 KiB |
@ -16,3 +16,4 @@ package main
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//go:generate file2byteslice -package=main -input=default.go -output=default_go.go -var=default_go
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//go:generate file2byteslice -package=main -input=default.go -output=default_go.go -var=default_go
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//go:generate file2byteslice -package=main -input=lighting.go -output=lighting_go.go -var=lighting_go
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//go:generate file2byteslice -package=main -input=lighting.go -output=lighting_go.go -var=lighting_go
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//go:generate file2byteslice -package=main -input=radialblur.go -output=radialblur_go.go -var=radialblur_go
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@ -34,8 +34,9 @@ const (
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)
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)
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var (
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var (
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gopherImage *ebiten.Image
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gopherImage *ebiten.Image
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normalImage *ebiten.Image
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gopherBgImage *ebiten.Image
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normalImage *ebiten.Image
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)
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)
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func init() {
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func init() {
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@ -55,6 +56,14 @@ func init() {
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gopherImage, _ = ebiten.NewImageFromImage(img, ebiten.FilterDefault)
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gopherImage, _ = ebiten.NewImageFromImage(img, ebiten.FilterDefault)
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}
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}
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func init() {
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img, _, err := image.Decode(bytes.NewReader(resources.GopherBg_png))
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if err != nil {
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log.Fatal(err)
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}
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gopherBgImage, _ = ebiten.NewImageFromImage(img, ebiten.FilterDefault)
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}
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func init() {
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func init() {
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img, _, err := image.Decode(bytes.NewReader(resources.Normal_png))
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img, _, err := image.Decode(bytes.NewReader(resources.Normal_png))
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if err != nil {
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if err != nil {
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@ -66,6 +75,7 @@ func init() {
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var shaderSrcs = [][]byte{
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var shaderSrcs = [][]byte{
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default_go,
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default_go,
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lighting_go,
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lighting_go,
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radialblur_go,
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}
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}
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type Game struct {
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type Game struct {
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@ -114,6 +124,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
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}
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}
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op.Images[0] = gopherImage
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op.Images[0] = gopherImage
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op.Images[1] = normalImage
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op.Images[1] = normalImage
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op.Images[2] = gopherBgImage
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screen.DrawRectShader(w, h, s, op)
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screen.DrawRectShader(w, h, s, op)
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msg := "Press Up/Down to switch the shader."
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msg := "Press Up/Down to switch the shader."
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40
examples/shader/radialblur.go
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40
examples/shader/radialblur.go
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@ -0,0 +1,40 @@
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// Copyright 2020 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 ignore
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package main
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var Time float
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var Cursor vec2
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func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
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dir := normalize(position.xy - Cursor)
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clr := texture2At(texCoord)
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samples := [10]float{
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-22, -14, -8, -4, -2, 2, 4, 8, 14, 22,
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}
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// TODO: Add len(samples)
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sum := clr
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for i := 0; i < 10; i++ {
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// TODO: Consider the source region not to violate the region.
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sum += texture2At(texCoord + dir*samples[i]/texture2Size())
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}
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sum /= 10 + 1
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dist := distance(position.xy, Cursor)
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t := clamp(dist/256, 0, 1)
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return mix(clr, sum, t)
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}
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6
examples/shader/radialblur_go.go
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6
examples/shader/radialblur_go.go
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@ -0,0 +1,6 @@
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// Code generated by file2byteslice. DO NOT EDIT.
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// (gofmt is fine after generating)
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package main
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var radialblur_go = []byte("// Copyright 2020 The Ebiten Authors\n//\n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n//\n// http://www.apache.org/licenses/LICENSE-2.0\n//\n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n\n// +build ignore\n\npackage main\n\nvar Time float\nvar Cursor vec2\n\nfunc Fragment(position vec4, texCoord vec2, color vec4) vec4 {\n\tdir := normalize(position.xy - Cursor)\n\tclr := texture2At(texCoord)\n\n\tsamples := [10]float{\n\t\t-22, -14, -8, -4, -2, 2, 4, 8, 14, 22,\n\t}\n\t// TODO: Add len(samples)\n\tsum := clr\n\tfor i := 0; i < 10; i++ {\n\t\t// TODO: Consider the source region not to violate the region.\n\t\tsum += texture2At(texCoord + dir*samples[i]/texture2Size())\n\t}\n\tsum /= 10 + 1\n\n\tdist := distance(position.xy, Cursor)\n\tt := clamp(dist/256, 0, 1)\n\treturn mix(clr, sum, t)\n}\n")
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