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/*
Hurry Curry! - a game about cooking
Copyright (C) 2025 Hurry Curry! Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
shader_type spatial;
uniform float eps = .01;
uniform vec3 color_a : source_color;
uniform vec3 color_b : source_color;
void fragment() {
vec2 uv = UV;
uv = mod(uv, 1.);
uv.x = smoothstep(0.5 - eps, 0.5 + eps, uv.x) * smoothstep(1. + eps, 1. - eps, uv.x)
+ smoothstep(0. + eps, 0. - eps, uv.x);
uv.y = smoothstep(0.5 - eps, 0.5 + eps, uv.y) * smoothstep(1. + eps, 1. - eps, uv.y)
+ smoothstep(0. + eps, 0. - eps, uv.y);
uv = uv * 2. - 1.;
ALBEDO = mix(color_a, color_b, clamp(uv.x * uv.y, 0., 1.));
}
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