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{
"QEN": {
"description": "This effect creats a wavy sea with reflection of the source item. Requires texture lookup of the source, so should be used among first nodes.",
"fragmentCode": [
"@main",
"{",
" vec2 tc = vec2(texCoord.s, 1. - texCoord.t);",
"",
" const float p = seaReflectionPerspective + (1. - seaReflectionPerspective) * texCoord.y;",
" const float w = (1.0001 - seaReflectionWaveSize) * 5;",
" const float wave1 = 0.5 * sin(30 * w * (0.5 - texCoord.y) / p + iTime * 5) * p;",
"",
" float wave2 = sin((0.5 - texCoord.x) * 25 * w / p) * sin( iTime - texCoord.y * 40 * w / p) * p;",
" wave2 += sin(2 * iTime + ((0.5 - texCoord.y) * 4 * w / p + sin(2 * iTime - texCoord.y * w * 3) * 0.1 / w * sin((0.5 - texCoord.x) * w * 10 / p)) * 10 * w) * p;",
" wave2 *= 0.4;",
"",
" const float combinedWaves = (wave1 + wave2) * 0.2;",
"",
" tc.y += (wave1 + 0.2 * wave2) * seaReflectionDistortionFactor;",
" tc.x += 0.2 * combinedWaves * seaReflectionDistortionFactor;",
"",
" vec4 texColor = texture(iSource, tc);",
"",
" texColor.rgb *= seaReflectionColor.rgb * 2;",
"",
" fragColor = vec4(mix(seaReflectionColor.rgb, texColor.rgb - combinedWaves * seaReflectionColorFactor, seaReflectionReflectiveness * texColor.a), 1.0);",
"}"
],
"name": "SeaReflection",
"properties": [
{
"defaultValue": "0.15, 0.5, 0.9, 1",
"description": "This property defines the color of the reflective sea. The source texture colors are multiplied with this color to colorize the reflection.",
"name": "seaReflectionColor",
"type": "color"
},
{
"defaultValue": "0.7",
"description": "This property defines how large the waves are. 1 is the size of the source texture and 0 is very small.",
"maxValue": "1",
"minValue": "0",
"name": "seaReflectionWaveSize",
"type": "float"
},
{
"defaultValue": "0.2",
"description": "This property defines the perspective that makes the horizon seem further away. 0 is infinitely far and 1 disables the perspective completely.",
"maxValue": "1",
"minValue": "0",
"name": "seaReflectionPerspective",
"type": "float"
},
{
"defaultValue": "0.5",
"description": "This property defines how much the colors are intensified by the waves.",
"maxValue": "1",
"minValue": "0",
"name": "seaReflectionColorFactor",
"type": "float"
},
{
"defaultValue": "1",
"description": "This property defines how much the reflection is distorted by the waves.",
"maxValue": "3",
"minValue": "0",
"name": "seaReflectionDistortionFactor",
"type": "float"
},
{
"defaultValue": "0.4",
"description": "This property defines how much the texture is reflected. When set to 0, only the seaReflectionColor is rendered with no reflection at all.",
"maxValue": "1",
"minValue": "0",
"name": "seaReflectionReflectiveness",
"type": "float"
}
],
"version": 1
}
}