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examples/shader: Make the chromatic berration example more readable

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This commit is contained in:
Hajime Hoshi 2020-08-10 21:58:49 +09:00
parent 8aa90e60d2
commit 8bfe406470
2 changed files with 4 additions and 4 deletions
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6
examples/shader/chromaticaberration.go
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@ -22,10 +22,10 @@ var ScreenSize vec2
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
center := ScreenSize / 2
amount := normalize(center-Cursor).x / 100
amount := (center - Cursor) / texture2Size() / 10
var clr vec3
clr.r = texture2At(vec2(texCoord.x+amount, texCoord.y)).r
clr.r = texture2At(vec2(texCoord.x+amount.x, texCoord.y)).r
clr.g = texture2At(texCoord).g
clr.b = texture2At(vec2(texCoord.x-amount, texCoord.y)).b
clr.b = texture2At(vec2(texCoord.x-amount.x, texCoord.y)).b
return vec4(clr, 1.0)
}

2
examples/shader/chromaticaberration_go.go
View File

@ -3,4 +3,4 @@
package main
var chromaticaberration_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\nvar ScreenSize vec2\n\nfunc Fragment(position vec4, texCoord vec2, color vec4) vec4 {\n\tcenter := ScreenSize / 2\n\tamount := normalize(center-Cursor).x / 100\n\tvar clr vec3\n\tclr.r = texture2At(vec2(texCoord.x+amount, texCoord.y)).r\n\tclr.g = texture2At(texCoord).g\n\tclr.b = texture2At(vec2(texCoord.x-amount, texCoord.y)).b\n\treturn vec4(clr, 1.0)\n}\n")
var chromaticaberration_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\nvar ScreenSize vec2\n\nfunc Fragment(position vec4, texCoord vec2, color vec4) vec4 {\n\tcenter := ScreenSize / 2\n\tamount := (center - Cursor) / texture2Size() / 10\n\tvar clr vec3\n\tclr.r = texture2At(vec2(texCoord.x+amount.x, texCoord.y)).r\n\tclr.g = texture2At(texCoord).g\n\tclr.b = texture2At(vec2(texCoord.x-amount.x, texCoord.y)).b\n\treturn vec4(clr, 1.0)\n}\n")