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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;
render_mode depth_test_disabled;
uniform float max_width = .1;
uniform float marker_length = .5;
uniform float pulse_speed = 4.;
uniform bool interacting = false;
void fragment() {
if (interacting) {
ALBEDO = vec3(0., 0., 15.);
} else {
ALBEDO = vec3(15., 0., 0.);
}
vec2 uv = abs(2. * UV.xy - 1.);
float m_length = marker_length / max_width;
float anim = sin(TIME * pulse_speed) * .5 + 2.;
float alpha = step(
1. - max_width * anim, max(uv.x, uv.y))
* step(1. - max_width * m_length, min(uv.x, uv.y)
);
ALPHA = alpha;
}
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