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++ {
++ "QEN": {
++ "description": "Creates a rounded rectangle with blur radius. The properties match with the RectangularShadow QtQuick.Effects element, so this node provides a starting point for the custom RectangularShadow materials.",
++ "fragmentCode": [
++ "float roundedBox(vec2 centerPos, vec2 size, float radii) {",
++ " return length(max(abs(centerPos) - size + radii, 0.0)) - radii;",
++ "}",
++ "",
++ "@main",
++ "{",
++ " float box = roundedBox(fragCoord - iResolution.xy * 0.5, rectSize, radius);",
++ " float a = 1.0 - smoothstep(0.0, blur, box);",
++ " fragColor = color * a * a;",
++ "}",
++ ""
++ ],
++ "name": "RectangularShadow",
++ "properties": [
++ {
++ "defaultValue": "0, 0, 0, 1",
++ "description": "Color of the shadow/glow.",
++ "name": "color",
++ "type": "color"
++ },
++ {
++ "defaultValue": "100, 100",
++ "description": "Size of the shadow rectangle in pixels.",
++ "maxValue": "200, 200",
++ "minValue": "0, 0",
++ "name": "rectSize",
++ "type": "vec2"
++ },
++ {
++ "defaultValue": "0",
++ "description": "Corner radius amount of the shadow rectangle.",
++ "maxValue": "50",
++ "minValue": "0",
++ "name": "radius",
++ "type": "float"
++ },
++ {
++ "defaultValue": "10",
++ "description": "Blur radius amount of the shadow rectangle.",
++ "maxValue": "50",
++ "minValue": "0",
++ "name": "blur",
++ "type": "float"
++ }
++ ],
++ "version": 1
++ }
++ }