{ "QEP": { "QQEM": "0.43", "connections": [ { "fromId": 0, "toId": 3 }, { "fromId": 3, "toId": 2 }, { "fromId": 2, "toId": 4 }, { "fromId": 4, "toId": 1 } ], "exportDirectory": ".", "exportFlags": 3, "exportName": "AboutEffect1", "nodes": [ { "fragmentCode": [ "void main() {", " fragColor = vec4(0.0);", " @nodes", " fragColor = fragColor * qt_Opacity;", "}" ], "name": "Main", "nodeId": 0, "type": 0, "vertexCode": [ "void main() {", " texCoord = qt_MultiTexCoord0;", " fragCoord = qt_Vertex.xy;", " vec2 vertCoord = qt_Vertex.xy;", " @nodes", " gl_Position = qt_Matrix * vec4(vertCoord, 0.0, 1.0);", "}" ], "x": 140, "y": 35.20000076293945 }, { "name": "Output", "nodeId": 1, "type": 1, "x": 140, "y": 588.7999877929688 }, { "description": "This is an empty node for creating custom effects.", "fragmentCode": [ "@main", "{", " vec2 uv = 2.0 * texCoord - vec2(1.0);", " const vec2 uv0 = uv;", " uv = fract(abs(uv) * (4.5 + 3.0 * sin(iTime * 0.22))) - 0.5;", " vec3 fColor = vec3(0.0);", " for(int c = 0; c < 3; c++) {", " float dst = 1.0;", " for(int j = 0; j < 3; j++) {", " for (int i = 0; i < 3; i++) {", " vec2 nuv = uv + vec2(i - 1.0, j - 1.0);", " float cd = c * 0.3 * sin(0.05 * iTime);", " float ic = length(uv0) - cd;", " nuv = nuv * length(nuv) * rotate2D(ic) + vec2(0.5 * sin(iTime * 0.3), 0.5 * sin(iTime * 0.2));", " dst = min(dst, length(nuv));", " }", " }", " uv = mix(uv, uv + dst, 3.0 * sin(0.2 + iTime * 0.12));", " fColor[c] = 1.0 - dst;", " }", " fragColor = vec4(fColor, 1.0);", "}" ], "name": "CustomBlobs", "nodeId": 2, "type": 2, "x": 105, "y": 327 }, { "description": "This node contains commonly used math defines and helper methods.", "fragmentCode": [ "#define PI 3.14159265359", "#define TAU 6.28318530718", "", "mat2 rotate2D(float a) {", " const float c = cos(a);", " const float s = sin(a);", " return mat2(c, -s, s, c);", "}", "@main" ], "name": "MathHelper", "nodeId": 3, "type": 2, "x": 105, "y": 187.60000610351562 }, { "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", "nodeId": 4, "properties": [ { "defaultValue": "0, 0, 0, 1", "description": "Defines the vignette color. The default value is black (0, 0, 0, 1).", "name": "vignetteColor", "type": "color", "value": "0, 0, 0, 1" }, { "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", "value": "0.2" }, { "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", "value": "0.8" } ], "type": 2, "x": 105, "y": 465.3999938964844 } ], "settings": { "headings": [ "// Copyright (C) 2022 The Qt Company Ltd.", "// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause", "" ] }, "version": 1 } }