animation: core publishes transition records; gui evaluates via shaders, tty over grid cells

1 files changed, 0 insertions, 60 deletions

diff --git a/shaders/prebuilt/image.frag.glsl b/shaders/prebuilt/image.frag.glsl
index 747ceef7..2a3c2038 100644
--- a/shaders/prebuilt/image.frag.glsl
+++ b/shaders/prebuilt/image.frag.glsl
@@ -17,35 +17,6 @@ float cellNoise(uint serial, uint col, uint row) {
     return float(x & 0xffffu) / 65535.0;
 }
 
-// The same seven procedural ASCII marks as ui.frag.glsl and the macOS Metal
-// panel kernel. Native attachments are content in the panel, so they should
-// not switch to a smaller two-symbol animation when the glyph grid over them
-// is using `. : + * # % @`.
-float asciiGlyph(vec2 uv, int glyph) {
-    vec2 p = uv * 2.0 - 1.0;
-    float thin = 0.12;
-    float dotShape = 1.0 - smoothstep(0.10, 0.20, length(p - vec2(0.0, 0.45)));
-    float barH = 1.0 - smoothstep(thin, thin + 0.08, abs(p.y));
-    float barV = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x));
-    if (glyph == 0) return dotShape;
-    if (glyph == 1) return max(dotShape, 1.0 - smoothstep(0.10, 0.20, length(p + vec2(0.0, 0.45))));
-    if (glyph == 2) return max(barH, barV);
-    if (glyph == 3) {
-        float d0 = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x - p.y));
-        float d1 = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x + p.y));
-        return max(max(d0, d1), max(barH, barV));
-    }
-    if (glyph == 4) {
-        float rails = max(
-            1.0 - smoothstep(thin, thin + 0.08, abs(abs(p.x) - 0.34)),
-            1.0 - smoothstep(thin, thin + 0.08, abs(abs(p.y) - 0.34))
-        );
-        return rails;
-    }
-    float ring = 1.0 - smoothstep(thin, thin + 0.08, abs(length(p * vec2(0.8, 1.0)) - 0.48));
-    return max(ring, glyph == 6 ? dotShape : 0.0);
-}
-
 void main() {
     vec4 source = texture(u_image, v_uv);
     uint effect = v_effect.x & 0x7fffffffu;
@@ -64,36 +35,5 @@ void main() {
         o_col = source;
         return;
     }
-    if (effect == 4u) {
-        float diagonal = float((cellCoord.x + cellCoord.y * 2u) % 17u) / 17.0;
-        float threshold = noise * 0.72 + diagonal * 0.28;
-        bool reveal = progress >= 1.0 || (progress > 0.0 && progress >= threshold);
-        bool wave = !reveal && progress > 0.0 && progress + 0.22 >= threshold;
-        if (oldLayer) {
-            if (wave || reveal) discard;
-            o_col = source;
-            return;
-        }
-        if (reveal) {
-            o_col = source;
-            return;
-        }
-        if (!wave) discard;
-        vec2 cellUV = fract(v_panel_uv * vec2(dimensions));
-        int glyph = min(int(floor(noise * 7.0)), 6);
-        float mark = asciiGlyph(cellUV, glyph);
-        float luma = dot(source.rgb, vec3(0.2126, 0.7152, 0.0722));
-        vec3 paper = source.rgb * 0.10;
-        // Preserve source colour when it already separates from the dimmed
-        // paper. Solid black pixels have no such separation, so derive a
-        // readable mark from their own luminance instead of letting the ASCII
-        // phase disappear on dark images/PDF regions.
-        vec3 contrastInk = luma > 0.5 ? vec3(0.0) : vec3(1.0);
-        float sourceContrast = smoothstep(0.025, 0.14, length(source.rgb - paper));
-        vec3 ink = mix(contrastInk, source.rgb, sourceContrast);
-        vec3 dimInk = mix(paper, ink, 0.62);
-        o_col = vec4(mix(paper, dimInk, mark), source.a);
-        return;
-    }
     o_col = source;
 }