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mr0xb
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267
dot_config/ghostty/shaders/custom/cash_money_badge.glsl
Normal file
267
dot_config/ghostty/shaders/custom/cash_money_badge.glsl
Normal file
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#define PI 3.141592653589793
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float smin(float a, float b, float k) {
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float h = max(k - abs(a - b), 0.0) / k;
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return min(a, b) - h * h * h * k * (1.0 / 6.0);
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}
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float rectSDF(vec2 p, vec2 b) {
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vec2 d = abs(p) - b;
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return length(max(d, 0.0)) + min(max(d.x, d.y), 0.0);
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}
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float fill(float d, float aa) {
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return 1.0 - smoothstep(0.0, aa, d);
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}
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float stroke(float d, float w, float aa) {
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return 1.0 - smoothstep(0.0, aa, abs(d) - w);
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}
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float box01(vec2 uv, vec2 c, vec2 s, float aa) {
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return fill(rectSDF(uv - c, s), aa);
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}
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float frame01(vec2 uv, vec2 c, vec2 s, float w, float aa) {
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return stroke(rectSDF(uv - c, s), w, aa);
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}
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float in01(vec2 uv) {
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return step(0.0, uv.x) * step(0.0, uv.y) * step(uv.x, 1.0) * step(uv.y, 1.0);
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}
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// ------------------------------------------------------------------
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// Very simple block-letter glyphs in a 0..1 local cell.
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// Not perfect typography, but close enough to read.
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// ------------------------------------------------------------------
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float glyphC(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.52, 0.84), vec2(0.30, 0.08), aa));
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m = max(m, box01(uv, vec2(0.52, 0.16), vec2(0.30, 0.08), aa));
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return m * in01(uv);
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}
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float glyphA(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.78, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.50, 0.84), vec2(0.30, 0.08), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.30, 0.08), aa));
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return m * in01(uv);
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}
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float glyphS(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.50, 0.84), vec2(0.30, 0.08), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.30, 0.08), aa));
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m = max(m, box01(uv, vec2(0.50, 0.16), vec2(0.30, 0.08), aa));
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m = max(m, box01(uv, vec2(0.22, 0.67), vec2(0.10, 0.17), aa));
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m = max(m, box01(uv, vec2(0.78, 0.33), vec2(0.10, 0.17), aa));
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return m * in01(uv);
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}
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float glyphH(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.78, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.30, 0.08), aa));
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return m * in01(uv);
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}
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float glyphM(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.16, 0.50), vec2(0.09, 0.42), aa));
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m = max(m, box01(uv, vec2(0.84, 0.50), vec2(0.09, 0.42), aa));
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m = max(m, box01(uv, vec2(0.38, 0.65), vec2(0.08, 0.27), aa));
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m = max(m, box01(uv, vec2(0.62, 0.65), vec2(0.08, 0.27), aa));
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m = max(m, box01(uv, vec2(0.50, 0.84), vec2(0.25, 0.08), aa));
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return m * in01(uv);
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}
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float glyphO(vec2 uv, float aa) {
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float outer = box01(uv, vec2(0.50, 0.50), vec2(0.34, 0.42), aa);
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float inner = box01(uv, vec2(0.50, 0.50), vec2(0.18, 0.24), aa);
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return max(0.0, outer - inner) * in01(uv);
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}
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float glyphN(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.20, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.80, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.08, 0.42), aa));
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return m * in01(uv);
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}
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float glyphE(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.52, 0.84), vec2(0.30, 0.08), aa));
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m = max(m, box01(uv, vec2(0.48, 0.50), vec2(0.26, 0.08), aa));
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m = max(m, box01(uv, vec2(0.52, 0.16), vec2(0.30, 0.08), aa));
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return m * in01(uv);
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}
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float glyphY(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.72), vec2(0.10, 0.20), aa));
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m = max(m, box01(uv, vec2(0.78, 0.72), vec2(0.10, 0.20), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.10, 0.12), aa));
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m = max(m, box01(uv, vec2(0.50, 0.20), vec2(0.10, 0.20), aa));
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return m * in01(uv);
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}
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float glyphR(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.50, 0.84), vec2(0.28, 0.08), aa));
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m = max(m, box01(uv, vec2(0.72, 0.68), vec2(0.10, 0.16), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.26, 0.08), aa));
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m = max(m, box01(uv, vec2(0.68, 0.24), vec2(0.10, 0.20), aa));
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return m * in01(uv);
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}
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float glyphD(vec2 uv, float aa) {
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float m = 0.0;
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m = max(m, box01(uv, vec2(0.22, 0.50), vec2(0.10, 0.42), aa));
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m = max(m, box01(uv, vec2(0.50, 0.84), vec2(0.26, 0.08), aa));
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m = max(m, box01(uv, vec2(0.50, 0.16), vec2(0.26, 0.08), aa));
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m = max(m, box01(uv, vec2(0.74, 0.50), vec2(0.10, 0.34), aa));
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return m * in01(uv);
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}
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float drawGlyph(int g, vec2 uv, float aa) {
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if (g == 0) return glyphC(uv, aa);
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if (g == 1) return glyphA(uv, aa);
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if (g == 2) return glyphS(uv, aa);
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if (g == 3) return glyphH(uv, aa);
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if (g == 4) return glyphM(uv, aa);
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if (g == 5) return glyphO(uv, aa);
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if (g == 6) return glyphN(uv, aa);
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if (g == 7) return glyphE(uv, aa);
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if (g == 8) return glyphY(uv, aa);
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if (g == 9) return glyphR(uv, aa);
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if (g == 10) return glyphD(uv, aa);
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return 0.0;
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}
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float placeGlyph(vec2 q, vec4 box, int glyphId, float aa) {
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vec2 uv = (q - box.xy) / (box.zw - box.xy);
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return drawGlyph(glyphId, uv, aa);
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}
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float dollarMark(vec2 uv, float aa) {
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float m = 0.0;
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// vertical bar
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.05, 0.42), aa));
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// top/bottom heavy bars to make a chunky $
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m = max(m, box01(uv, vec2(0.50, 0.82), vec2(0.22, 0.10), aa));
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m = max(m, box01(uv, vec2(0.50, 0.50), vec2(0.22, 0.10), aa));
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m = max(m, box01(uv, vec2(0.50, 0.18), vec2(0.22, 0.10), aa));
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// left upper / right lower chunks
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m = max(m, box01(uv, vec2(0.30, 0.66), vec2(0.10, 0.18), aa));
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m = max(m, box01(uv, vec2(0.70, 0.34), vec2(0.10, 0.18), aa));
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return m * in01(uv);
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}
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void mainImage(out vec4 fragColor, in vec2 fragCoord) {
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vec2 uv = fragCoord.xy / iResolution.xy;
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vec4 base = texture(iChannel0, uv);
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vec3 col = base.rgb;
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float aa = 1.6 / iResolution.y;
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// ----------------------------------------------------------
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// Bouncing rectangular badge, DVD-logo style
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// ----------------------------------------------------------
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vec2 badgeSize = vec2(0.18, 0.44);
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vec2 minP = badgeSize * 0.5 + vec2(0.02, 0.03);
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vec2 maxP = vec2(1.0) - minP;
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vec2 travel = maxP - minP;
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vec2 phase = fract(vec2(iTime * 0.060, iTime * 0.047) + vec2(0.21, 0.58));
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vec2 tri = abs(phase * 2.0 - 1.0);
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vec2 center = minP + travel * tri;
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vec2 p = uv - center;
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p.x *= iResolution.x / iResolution.y;
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vec2 halfSize = vec2(badgeSize.x * 0.5 * iResolution.x / iResolution.y, badgeSize.y * 0.5);
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// q = normalized coordinates inside the badge
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vec2 q = p / halfSize;
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q = q * 0.5 + 0.5;
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float outer = fill(rectSDF(p, halfSize), aa);
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float border = frame01(p, vec2(0.0), halfSize, 0.006, aa);
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// shadow
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float shadow = fill(rectSDF(p - vec2(0.010, -0.012), halfSize), aa) * 0.18;
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col = mix(col, col * 0.80, shadow);
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// white sticker body
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vec3 logoCol = vec3(0.0);
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logoCol += outer * vec3(0.96);
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logoCol = mix(logoCol, vec3(0.04), border);
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// top word: CASH MONEY
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float top = 0.0;
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float y0 = 0.78;
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float y1 = 0.96;
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float w = 0.075;
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float gap = 0.010;
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top = max(top, placeGlyph(q, vec4(0.04, y0, 0.04 + w, y1), 0, aa)); // C
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top = max(top, placeGlyph(q, vec4(0.04 + 1.0*(w+gap), y0, 0.04 + 1.0*(w+gap) + w, y1), 1, aa)); // A
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top = max(top, placeGlyph(q, vec4(0.04 + 2.0*(w+gap), y0, 0.04 + 2.0*(w+gap) + w, y1), 2, aa)); // S
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top = max(top, placeGlyph(q, vec4(0.04 + 3.0*(w+gap), y0, 0.04 + 3.0*(w+gap) + w, y1), 3, aa)); // H
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float start2 = 0.40;
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top = max(top, placeGlyph(q, vec4(start2 + 0.0*(w+gap), y0, start2 + 0.0*(w+gap) + w, y1), 4, aa)); // M
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top = max(top, placeGlyph(q, vec4(start2 + 1.0*(w+gap), y0, start2 + 1.0*(w+gap) + w, y1), 5, aa)); // O
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top = max(top, placeGlyph(q, vec4(start2 + 2.0*(w+gap), y0, start2 + 2.0*(w+gap) + w, y1), 6, aa)); // N
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top = max(top, placeGlyph(q, vec4(start2 + 3.0*(w+gap), y0, start2 + 3.0*(w+gap) + w, y1), 7, aa)); // E
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top = max(top, placeGlyph(q, vec4(start2 + 4.0*(w+gap), y0, start2 + 4.0*(w+gap) + w, y1), 8, aa)); // Y
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// bottom word: RECORDS
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float bottom = 0.0;
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float by0 = 0.03;
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float by1 = 0.19;
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float bw = 0.095;
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float bg = 0.012;
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float bstart = 0.10;
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 0.0*(bw+bg), by0, bstart + 0.0*(bw+bg) + bw, by1), 9, aa)); // R
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 1.0*(bw+bg), by0, bstart + 1.0*(bw+bg) + bw, by1), 7, aa)); // E
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 2.0*(bw+bg), by0, bstart + 2.0*(bw+bg) + bw, by1), 0, aa)); // C
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 3.0*(bw+bg), by0, bstart + 3.0*(bw+bg) + bw, by1), 5, aa)); // O
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 4.0*(bw+bg), by0, bstart + 4.0*(bw+bg) + bw, by1), 9, aa)); // R
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 5.0*(bw+bg), by0, bstart + 5.0*(bw+bg) + bw, by1), 10, aa)); // D
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bottom = max(bottom, placeGlyph(q, vec4(bstart + 6.0*(bw+bg), by0, bstart + 6.0*(bw+bg) + bw, by1), 2, aa)); // S
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// central $
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vec2 suv = (q - vec2(0.18, 0.23)) / vec2(0.64, 0.50);
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float dollar = dollarMark(suv, aa);
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// black print
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float printMask = max(max(top, bottom), dollar);
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logoCol = mix(logoCol, vec3(0.03), printMask);
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// small gold glint so it still fits the bling theme
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float glint = pow(max(0.0, sin((uv.x * 4.0 + uv.y * 2.0) * PI * 2.0 - iTime * 1.4)), 18.0);
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logoCol += outer * glint * vec3(1.0, 0.84, 0.35) * 0.12;
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// subtle sticker highlight
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float shine = 1.0 - smoothstep(0.0, 0.25, abs(q.x - 0.25) + abs(q.y - 0.78));
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logoCol += outer * shine * vec3(1.0) * 0.08;
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// composite behind text
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col = mix(col, col + logoCol, outer * 0.22);
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fragColor = vec4(clamp(col, 0.0, 1.0), base.a);
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}
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