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++ {
++ "QEN": {
++ "description": "Applies vignette effect to the source, so adds darkening / color towards the corners.",
++ "fragmentCode": [
++ "@main",
++ "{",
++ " float vigDist = distance(texCoord, vec2(0.5));",
++ " vec4 vigColor = vec4(vignetteColor.rgb, smoothstep(vignetteInnerRadius, vignetteOuterRadius, vigDist));",
++ " fragColor.rgb = mix(fragColor.rgb, vigColor.rgb * fragColor.a, vigColor.a * vignetteColor.a);",
++ "}"
++ ],
++ "name": "Vignette",
++ "properties": [
++ {
++ "defaultValue": "0, 0, 0, 1",
++ "description": "Defines the vignette color. The default value is black (0, 0, 0, 1).",
++ "name": "vignetteColor",
++ "type": "color"
++ },
++ {
++ "defaultValue": "0.2",
++ "description": "Inner radius from the center where vignette effect starts from. The value should be smaller than vignetteOuterRadius. The default value is 0.2.",
++ "maxValue": "1",
++ "minValue": "0",
++ "name": "vignetteInnerRadius",
++ "type": "float"
++ },
++ {
++ "defaultValue": "0.8",
++ "description": "Outer radius from the center where vignette effect ends to. The value should be bigger than vignetteInnerRadius. The default value is 0.8.",
++ "maxValue": "1",
++ "minValue": "0",
++ "name": "vignetteOuterRadius",
++ "type": "float"
++ }
++ ],
++ "version": 1
++ }
++ }