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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
VARYING vec4 color;
float rectangle(vec2 samplePosition, vec2 halfSize) {
vec2 componentWiseEdgeDistance = abs(samplePosition) - halfSize;
float outsideDistance = length(max(componentWiseEdgeDistance, 0.0));
float insideDistance = min(max(componentWiseEdgeDistance.x, componentWiseEdgeDistance.y), 0.0);
return outsideDistance + insideDistance;
}
void MAIN() {
vec2 tc = UV0;
vec2 uv = fract(tc * UV1.x); //UV1.x number of levels
uv = uv * 2.0 - 1.0;
uv.x = 0.0;
uv.y = smoothstep(0.0, 0.2, rectangle( vec2(uv.x, uv.y + 0.5), vec2(0.2)) );
BASE_COLOR = vec4(color.xyz * mix( clamp( ( vec3( 0.4, 0.4, 0.4 ) + tc.y)
* ( vec3( 0.6, 0.6, 0.6 ) + uv.y)
, 0.0, 1.0), vec3(1.0), UV1.y ), 1.0); // UV1.y as is roofTop
ROUGHNESS = 0.3;
METALNESS = 0.0;
FRESNEL_POWER = 1.0;
}
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