​ ​

.gitattributes

@@ -91,3 +91,5 @@
 𑁍/🟗𑁍🟗/ꓨИꟼ.✢.𔗢 ·ⵔ·꞉·ⵔ· ⠿ꔹ⠿ ❋𑗋❋ 🟗𑁍🟗 ᯽ ᯽ 🟗𑁍🟗 ❋𑗋❋ ⠿ꔹ⠿ ·ⵔ·꞉·ⵔ· 𔗢.✢.PNG filter=lfs diff=lfs merge=lfs -text
 𑁍/𖤞/𑪽ߖ.XHꓨ.𔗢✺𔗢𑁍𔗢✺𔗢᯽𔗢✺𔗢𑁍𔗢✺𔗢 𔗢✺𔗢𑁍𔗢✺𔗢᯽𔗢✺𔗢𑁍𔗢✺𔗢.GHX.7Z filter=lfs diff=lfs merge=lfs -text
 𖡼/🕸️🌐︎🕸️/✉/🔆/𖢒/⚙/💠𖡗𖡹𐫰⚪𔗢✺𖡼⯎⯌𐃏🟗𑁍🝱𖡽⩩𖥕᯽᪣𖦸 𖦸᪣᯽𖥕⩩𖡽🝱𑁍🟗𐃏⯌⯎𖡼✺𔗢⚪𐫰𖡹𖡗💠/⊚/ꟼI𑪽.✉.💠𖡗𖡹𐫰⚪𔗢✺𖡼⯎⯌𐃏🟗𑁍🝱𖡽⩩𖥕᯽᪣𖦸 𖦸᪣᯽𖥕⩩𖡽🝱𑁍🟗𐃏⯌⯎𖡼✺𔗢⚪𐫰𖡹𖡗💠.✉.ZIP filter=lfs diff=lfs merge=lfs -text
+𑁍/🞉𑁍🞉/ꓨИꟼ.𒋲.·⠿⸭⠿⸭⠿·.·..ꟻ⅃OꓨƎᗡOϽ.Ǝ⅃ꓨIWT.🞉𑁍🞉.TWIGLE.CODEGOLF..·.·⠿⸭⠿⸭⠿·.𒋲.PNG filter=lfs diff=lfs merge=lfs -text
+𑁍/🞉𑁍🞉/ꓨИꟼ.𒋲.·⠿⸭⠿⸭⠿·.⋮⁘꞉⁘⋮..ꟻ⅃OꓨƎᗡOϽ.Ǝ⅃ꓨIWT.🞉𑁍🞉.TWIGLE.CODEGOLF..⋮⁘꞉⁘⋮.·⠿⸭⠿⸭⠿·.𒋲.PNG filter=lfs diff=lfs merge=lfs -text

𑁍/🞉𑁍🞉/YOTЯƎᗡAHƧ.🞉𑁍🞉.SHADERTOY

@@ -0,0 +1,250 @@
+/*
+Created by soma_arc, Kazushi Ahara - 2015
+This work is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported.
+*/
+
+// from Syntopia http://blog.hvidtfeldts.net/index.php/2015/01/path-tracing-3d-fractals/
+vec2 rand2n(vec2 co, float sampleIndex) {
+vec2 seed = co * (sampleIndex + 1.0);
+seed+=vec2(-1,1);
+// implementation based on: lumina.sourceforge.net/Tutorials/Noise.html
+return vec2(fract(sin(dot(seed.xy ,vec2(12.9898,78.233))) * 43758.5453*0.),/*1.*/
+fract(cos(dot(seed.xy ,vec2(4.898,7.23))) * 23421.631*0.));/*1.*/
+}
+
+
+
+/*
+⠀
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+𔗢᯽𔗢 𔗢᯽𔗢
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+⠀
+*/
+
+
+
+/* ·⊹· */
+const vec2 C01P = vec2(0.,(1.+1./sqrt(2.)));
+const float C01R = (1./2.+sqrt(2.)/2.);
+
+const vec2 C02P = vec2(0.,-(1.+1./sqrt(2.)));
+const float C02R = (1./2.+sqrt(2.)/2.);
+
+const vec2 C03P = vec2((1.+1./sqrt(2.)),0.);
+const float C03R = (1./2.+sqrt(2.)/2.);
+
+const vec2 C04P = vec2(-(1.+1./sqrt(2.)),0.);
+const float C04R = (1./2.+sqrt(2.)/2.);
+/* ·⊹· */
+
+/* ꞉⊹꞉ */
+const vec2 C001P = vec2((1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C001R = sqrt(2.)/7.-1./14.;
+
+const vec2 C002P = vec2(-(1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C002R = sqrt(2.)/7.-1./14.;
+
+const vec2 C003P = vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C003R = sqrt(2.)/7.-1./14.;
+
+const vec2 C004P = vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C004R = sqrt(2.)/7.-1./14.;
+/* ꞉⊹꞉ */
+
+
+
+const vec2 C0P = vec2(0.,0.);
+const float C0R = .5*(3.-sqrt(8.));
+
+
+
+/* ⵔ */
+const vec2 C1P = vec2(0.,0.);
+const float C1R = .5*(3.-sqrt(8.))/(3.-sqrt(8.));
+
+const vec2 C2P = vec2(0.,.5*(2.-sqrt(2.)));
+const float C2R = .5*(sqrt(2.)-1.);
+
+const vec2 C3P = vec2(0.,.5*-(2.-sqrt(2.)));
+const float C3R = .5*(sqrt(2.)-1.);
+
+const vec2 C4P = vec2(.5*-(2.-sqrt(2.)),0.);
+const float C4R = .5*(sqrt(2.)-1.);
+
+const vec2 C5P = vec2(.5*(2.-sqrt(2.)),0.);
+const float C5R = .5*(sqrt(2.)-1.);
+/* ⵔ */
+
+
+/* · */
+const vec2 C6P = vec2((1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C6R = (sqrt(2.)/7.-1./14.);
+
+const vec2 C7P = vec2(-(1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C7R = (sqrt(2.)/7.-1./14.);
+
+const vec2 C8P = vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C8R = (sqrt(2.)/7.-1./14.);
+
+const vec2 C9P = vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C9R = (sqrt(2.)/7.-1./14.);
+/* · */
+
+vec2 circleInverse(vec2 pos, vec2 circlePos, float circleR){
+return ((pos - circlePos) * circleR * circleR)/(length(pos - circlePos) * length(pos - circlePos) ) + circlePos;
+}
+
+
+
+const int ITERATIONS =19683;
+
+
+
+float IIS(vec2 pos){
+float loopNum = 0.;
+bool cont = false;
+for(int i = 0 ; i < ITERATIONS ; i++){
+cont = false;
+
+//if(distance(pos, C0P) < C0R){
+//pos = circleInverse(pos, C0P, C0R);
+//cont = true;
+//loopNum++;
+
+if(distance(pos, C01P) < C01R){
+pos = circleInverse(pos, C01P, C01R);
+cont = true;
+loopNum++;
+
+}else if(distance(pos, C02P) < C02R){
+pos = circleInverse(pos, C02P, C02R);
+cont = true;
+loopNum++;
+
+}else if(distance(pos, C03P) < C03R){
+pos = circleInverse(pos, C03P, C03R);
+cont = true;
+loopNum++;
+
+}else if(distance(pos, C04P) < C04R){
+pos = circleInverse(pos, C04P, C04R);
+cont = true;
+loopNum++;
+
+
+//}else if(distance(pos, C001P) < C001R){
+//pos = circleInverse(pos, C001P, C001R);
+//cont = true;
+//loopNum++;
+
+//}else if(distance(pos, C002P) < C002R){
+//pos = circleInverse(pos, C002P, C002R);
+//cont = true;
+//loopNum++;
+
+//}else if(distance(pos, C003P) < C003R){
+//pos = circleInverse(pos, C003P, C003R);
+//cont = true;
+//loopNum++;
+
+//}else if(distance(pos, C004P) < C004R){
+//pos = circleInverse(pos, C004P, C004R);
+//cont = true;
+//loopNum++;
+
+
+
+}else if(distance(pos, C1P) < C1R){
+pos = circleInverse(pos, C1P, C1R);
+cont = true;
+loopNum++;
+//}else if(distance(pos, C2P) < C2R){
+//pos = circleInverse(pos, C2P, C2R);
+//cont = true;
+//loopNum++;
+//}else if(distance(pos, C3P) < C3R){
+//pos = circleInverse(pos, C3P, C3R);
+//cont = true;
+//loopNum++;
+//}else if(distance(pos, C4P) < C4R){
+//pos = circleInverse(pos, C4P, C4R);
+//cont = true;
+//loopNum++;
+//}else if(distance(pos, C5P) < C5R){
+//pos = circleInverse(pos, C5P, C5R);
+//cont = true;
+//loopNum++;
+
+
+
+}else if(distance(pos, C6P) < C6R){
+pos = circleInverse(pos, C6P, C6R);
+cont = true;
+loopNum++;
+
+}else if(distance(pos, C7P) < C7R){
+pos = circleInverse(pos, C7P, C7R);
+cont = true;
+loopNum++;
+
+}else if(distance(pos, C8P) < C8R){
+pos = circleInverse(pos, C8P, C8R);
+cont = true;
+loopNum++;
+
+}else if(distance(pos, C9P) < C9R){
+pos = circleInverse(pos, C9P, C9R);
+cont = true;
+loopNum++;
+
+
+
+}
+if(cont == false) break;
+}
+
+return loopNum;
+}
+
+vec3 hsv2rgb(vec3 c)
+{
+vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+vec3 p = abs(fract(c.xxx + K.xyz) * 2. - K.www);
+return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+
+
+const float SAMPLE_NUM =1.;/*243*/
+void mainImage( out vec4 fragColor, in vec2 fragCoord ){
+vec3 sum = vec3(0);
+float ratio = iResolution.x / iResolution.y / 2.0;
+
+
+for(float i = 0. ; i < SAMPLE_NUM ; i++){
+vec2 position = ((fragCoord.xy + rand2n(fragCoord.xy, i)) / iResolution.yy) - vec2(ratio, 0.5);
+
+
+position *= 1.;
+
+
+if (distance(position, vec2(0.0)) > .5) {
+sum += vec3(1.0); 
+continue;
+}
+// -----------------------------------
+
+float loopNum = IIS(position);
+if (loopNum > 0.) {
+sum += vec3(mod(floor(1.-loopNum), 2.));
+/*sum += hsv2rgb(vec3(0.0 * iTime / 1.0 + .5 * loopNum, 1.,1.));*/
+} else {
+sum += vec3(0.,.958,.487);
+}
+}
+fragColor = vec4(sum / SAMPLE_NUM, 1.0);
+}

𑁍/🞉𑁍🞉/Ǝ⅃ꓨIWT.🞉𑁍🞉.TWIGLE

@@ -0,0 +1,176 @@
+precision highp float;
+precision highp int;
+
+uniform vec2 resolution;
+uniform vec2 mouse;
+uniform float time;
+
+/*
+Created by soma_arc, Kazushi Ahara - 2015
+This work is licensed under Creative Commons
+Attribution-NonCommercial-ShareAlike 3.0 Unported.
+
+Original source:
+https://blog.hvidtfeldts.net/index.php/2015/01/path-tracing-3d-fractals/
+*/
+
+vec2 rand2n(vec2 co, float sampleIndex)
+{vec2 seed = co * (sampleIndex + 1.0);seed += vec2(-1.0, 1.0);return vec2(
+fract(sin(dot(seed.xy,vec2(12.9898, 78.233))) * 43758.5453*0.),/*1.*/
+fract(cos(dot(seed.xy,vec2(4.898, 7.23))) * 23421.631*0.));}/*1.*/
+
+
+
+/*
+⠀
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+𔗢᯽𔗢 𔗢᯽𔗢
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+⠀
+*/
+
+
+
+/* ·⊹· */
+const vec2 C01P = vec2(0.,(1.+1./sqrt(2.)));
+const float C01R = (1./2.+sqrt(2.)/2.);
+
+const vec2 C02P = vec2(0.,-(1.+1./sqrt(2.)));
+const float C02R = (1./2.+sqrt(2.)/2.);
+
+const vec2 C03P = vec2((1.+1./sqrt(2.)),0.);
+const float C03R = (1./2.+sqrt(2.)/2.);
+
+const vec2 C04P = vec2(-(1.+1./sqrt(2.)),0.);
+const float C04R = (1./2.+sqrt(2.)/2.);
+/* ·⊹· */
+
+/* ꞉⊹꞉ */
+const vec2 C001P = vec2((1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C001R = sqrt(2.)/7.-1./14.;
+
+const vec2 C002P = vec2(-(1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C002R = sqrt(2.)/7.-1./14.;
+
+const vec2 C003P = vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C003R = sqrt(2.)/7.-1./14.;
+
+const vec2 C004P = vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C004R = sqrt(2.)/7.-1./14.;
+/* ꞉⊹꞉ */
+
+
+const vec2 C0P = vec2(0.,0.);
+const float C0R = .5*(3.-sqrt(8.));
+
+
+/* ⵔ */
+const vec2 C1P = vec2(0.,0.);
+const float C1R = .5*(3.-sqrt(8.))/(3.-sqrt(8.));
+
+const vec2 C2P = vec2(0.,.5*(2.-sqrt(2.)));
+const float C2R = .5*(sqrt(2.)-1.);
+
+const vec2 C3P = vec2(0.,.5*-(2.-sqrt(2.)));
+const float C3R = .5*(sqrt(2.)-1.);
+
+const vec2 C4P = vec2(.5*-(2.-sqrt(2.)),0.);
+const float C4R = .5*(sqrt(2.)-1.);
+
+const vec2 C5P = vec2(.5*(2.-sqrt(2.)),0.);
+const float C5R = .5*(sqrt(2.)-1.);
+/* ⵔ */
+
+
+/* · */
+const vec2 C6P = vec2((1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C6R = (sqrt(2.)/7.-1./14.);
+
+const vec2 C7P = vec2(-(1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C7R = (sqrt(2.)/7.-1./14.);
+
+const vec2 C8P = vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));
+const float C8R = (sqrt(2.)/7.-1./14.);
+
+const vec2 C9P = vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+const float C9R = (sqrt(2.)/7.-1./14.);
+/* · */
+
+
+vec2 circleInverse(vec2 pos,vec2 circlePos,float circleR){vec2 d = pos - circlePos;return d* circleR* circleR/ dot(d, d)+ circlePos;}
+
+
+const int ITERATIONS = 19683;
+
+float IIS(vec2 pos)
+{
+float loopNum = 0.0;
+
+bool cont = false;
+
+for (int i = 0; i < ITERATIONS; i++){cont = false;
+
+/*
+if (distance(pos, C0P) < C0R){pos = circleInverse(pos,C0P,C0R);cont = true;loopNum++;}
+*/
+
+
+if (distance(pos, C01P) < C01R){pos = circleInverse(pos,C01P,C01R);cont = true;loopNum++;}
+else if (distance(pos, C02P) < C02R){pos = circleInverse(pos,C02P,C02R);cont = true;loopNum++;}
+else if (distance(pos, C03P) < C03R){pos = circleInverse(pos,C03P,C03R);cont = true;loopNum++;}
+else if (distance(pos, C04P) < C04R){pos = circleInverse(pos,C04P,C04R);cont = true;loopNum++;}
+
+/*
+else if (distance(pos, C001P) < C001R){pos = circleInverse(pos,C001P,C001R);cont = true;loopNum++;}
+else if (distance(pos, C002P) < C002R){pos = circleInverse(pos,C002P,C002R);cont = true;loopNum++;}
+else if (distance(pos, C003P) < C003R){pos = circleInverse(pos,C003P,C003R);cont = true;loopNum++;}
+else if (distance(pos, C004P) < C004R){pos = circleInverse(pos,C004P,C004R);cont = true;loopNum++;}
+*/
+
+else if (distance(pos, C1P) < C1R){pos = circleInverse(pos,C1P,C1R);cont = true;loopNum++;}
+
+
+/*
+else if (distance(pos, C2P) < C2R){pos = circleInverse(pos,C2P,C2R);cont = true;loopNum++;}
+else if (distance(pos, C3P) < C3R){pos = circleInverse(pos,C3P,C3R);cont = true;loopNum++;}
+else if (distance(pos, C4P) < C4R){pos = circleInverse(pos,C4P,C4R);cont = true;loopNum++;}
+else if (distance(pos, C5P) < C5R){pos = circleInverse(pos,C5P,C5R);cont = true;loopNum++;}
+*/
+
+else if (distance(pos, C6P) < C6R){pos = circleInverse(pos,C6P,C6R);cont = true;loopNum++;}
+else if (distance(pos, C7P) < C7R){pos = circleInverse(pos,C7P,C7R);cont = true;loopNum++;}
+else if (distance(pos, C8P) < C8R){pos = circleInverse(pos,C8P,C8R);cont = true;loopNum++;}
+else if (distance(pos, C9P) < C9R){pos = circleInverse(pos,C9P,C9R);cont = true;loopNum++;}
+
+if (!cont){break;}}
+
+return loopNum;}
+
+vec3 hsv2rgb(vec3 c){vec4 K = vec4(1.0,2.0 / 3.0,1.0 / 3.0,3.0);
+
+vec3 p =abs(fract(c.xxx + K.xyz)* 2.0- K.www);
+
+return c.z* mix(K.xxx,clamp(p - K.xxx,0.0,1.0),c.y);}
+
+const float SAMPLE_NUM = 1.;/*243.*/
+
+void main(){vec3 sum = vec3(0.0);
+
+float ratio =resolution.x/ resolution.y/ 2.0;
+
+for (float i = 0.0; i < SAMPLE_NUM; i += 1.0){vec2 position =(gl_FragCoord.xy+ rand2n(gl_FragCoord.xy,i))/ resolution.yy- vec2(ratio,0.5);
+
+position *= 1.0;
+
+if (distance(position,vec2(0.0))> .5){sum += vec3(1.0);
+continue;}
+
+float loopNum =IIS(position);
+
+if (loopNum > 0.0){sum += vec3(mod(floor(1.0 - loopNum),2.0));}else{sum += vec3(0.0,0.958,0.487);}}
+
+gl_FragColor =vec4(sum / SAMPLE_NUM,1.0);}

𑁍/🞉𑁍🞉/Ƨ⅃ЯU.Ǝ⅃ꓨIWT.🞉𑁍🞉.TWIGLE.URLS

@@ -0,0 +1,17 @@
+https://twigl.app?ss=-P-XR-mNBxphylpdJkyj&ol=true
+
+https://twigl.app?ss=-P-VzoZpbxgW0RLP8QgH&ol=true
+
+https://twigl.app?ss=-P-VyzD50Bh08EBF423z&ol=true
+
+https://twigl.app?ss=-P-VfQ0_m5MijeJvVrtP&ol=true
+
+https://twigl.app?ss=-P-Vdvh6BwpDlrOtMviO&ol=true
+
+https://twigl.app?ss=-P-Vbe3LOqrSDVz_IDtu&ol=true
+
+https://twigl.app?ss=-P-V__QYqOEESUGM6AMW&ol=true
+
+https://twigl.app?ss=-P-To0gmyGQMm1l8mY6k&ol=true
+
+https://twigl.app?ss=-P-Tn5H68WfdRKoVf8KN&ol=true

𑁍/🞉𑁍🞉/ИOƧᒐ.YOTЯƎᗡAHƧ.🞉𑁍🞉.SHADERTOY.JSON

@@ -0,0 +1,34 @@
+{
+ "ver": "0.1",
+ "info": {
+  "id": "NfcXRs",
+  "date": "1787196661",
+  "viewed": 27,
+  "name": "🞉𑁍🞉",
+  "description": "𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦\n𔗢᯽𔗢 𔗢᯽𔗢\n◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n💠𖡗𖡹𐫰⚪𔗢✺𖡼⯎⯌𐃏🟗🞉𑁍🝱𖡽⩩𖥕᯽᪣𖦸 𖦸᪣᯽𖥕⩩𖡽🝱𑁍🞉🟗𐃏⯌⯎𖡼✺𔗢⚪𐫰𖡹𖡗💠\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦\n𔗢᯽𔗢 𔗢᯽𔗢\n◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠",
+  "likes": 5,
+  "published": "Public API",
+  "usePreview": 0,
+  "tags": [
+   "o"
+  ],
+  "hasliked": 0,
+  "parentid": "Xt2SDG",
+  "parentname": "Nine Circles"
+ },
+ "renderpass": [
+  {
+   "inputs": [],
+   "outputs": [
+    {
+     "id": "4dfGRr",
+     "channel": 0
+    }
+   ],
+   "code": "/*\nCreated by soma_arc, Kazushi Ahara - 2015\nThis work is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported.\n*/\n\n// from Syntopia http://blog.hvidtfeldts.net/index.php/2015/01/path-tracing-3d-fractals/\nvec2 rand2n(vec2 co, float sampleIndex) {\nvec2 seed = co * (sampleIndex + 1.0);\nseed+=vec2(-1,1);\n// implementation based on: lumina.sourceforge.net/Tutorials/Noise.html\nreturn vec2(fract(sin(dot(seed.xy ,vec2(12.9898,78.233))) * 43758.5453*0.),/*1.*/\nfract(cos(dot(seed.xy ,vec2(4.898,7.23))) * 23421.631*0.));/*1.*/\n}\n\n\n\n/*\n⠀\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n𔗢᯽𔗢 𔗢᯽𔗢\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦\n𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠\n⠀\n*/\n\n\n\n/* ·⊹· */\nconst vec2 C01P = vec2(0.,(1.+1./sqrt(2.)));\nconst float C01R = (1./2.+sqrt(2.)/2.);\n\nconst vec2 C02P = vec2(0.,-(1.+1./sqrt(2.)));\nconst float C02R = (1./2.+sqrt(2.)/2.);\n\nconst vec2 C03P = vec2((1.+1./sqrt(2.)),0.);\nconst float C03R = (1./2.+sqrt(2.)/2.);\n\nconst vec2 C04P = vec2(-(1.+1./sqrt(2.)),0.);\nconst float C04R = (1./2.+sqrt(2.)/2.);\n/* ·⊹· */\n\n/* ꞉⊹꞉ */\nconst vec2 C001P = vec2((1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));\nconst float C001R = sqrt(2.)/7.-1./14.;\n\nconst vec2 C002P = vec2(-(1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));\nconst float C002R = sqrt(2.)/7.-1./14.;\n\nconst vec2 C003P = vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));\nconst float C003R = sqrt(2.)/7.-1./14.;\n\nconst vec2 C004P = vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));\nconst float C004R = sqrt(2.)/7.-1./14.;\n/* ꞉⊹꞉ */\n\n\n\nconst vec2 C0P = vec2(0.,0.);\nconst float C0R = .5*(3.-sqrt(8.));\n\n\n\n/* ⵔ */\nconst vec2 C1P = vec2(0.,0.);\nconst float C1R = .5*(3.-sqrt(8.))/(3.-sqrt(8.));\n\nconst vec2 C2P = vec2(0.,.5*(2.-sqrt(2.)));\nconst float C2R = .5*(sqrt(2.)-1.);\n\nconst vec2 C3P = vec2(0.,.5*-(2.-sqrt(2.)));\nconst float C3R = .5*(sqrt(2.)-1.);\n\nconst vec2 C4P = vec2(.5*-(2.-sqrt(2.)),0.);\nconst float C4R = .5*(sqrt(2.)-1.);\n\nconst vec2 C5P = vec2(.5*(2.-sqrt(2.)),0.);\nconst float C5R = .5*(sqrt(2.)-1.);\n/* ⵔ */\n\n\n/* · */\nconst vec2 C6P = vec2((1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));\nconst float C6R = (sqrt(2.)/7.-1./14.);\n\nconst vec2 C7P = vec2(-(1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));\nconst float C7R = (sqrt(2.)/7.-1./14.);\n\nconst vec2 C8P = vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.)));\nconst float C8R = (sqrt(2.)/7.-1./14.);\n\nconst vec2 C9P = vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));\nconst float C9R = (sqrt(2.)/7.-1./14.);\n/* · */\n\nvec2 circleInverse(vec2 pos, vec2 circlePos, float circleR){\nreturn ((pos - circlePos) * circleR * circleR)/(length(pos - circlePos) * length(pos - circlePos) ) + circlePos;\n}\n\n\n\nconst int ITERATIONS =19683;\n\n\n\nfloat IIS(vec2 pos){\nfloat loopNum = 0.;\nbool cont = false;\nfor(int i = 0 ; i < ITERATIONS ; i++){\ncont = false;\n\n//if(distance(pos, C0P) < C0R){\n//pos = circleInverse(pos, C0P, C0R);\n//cont = true;\n//loopNum++;\n\nif(distance(pos, C01P) < C01R){\npos = circleInverse(pos, C01P, C01R);\ncont = true;\nloopNum++;\n\n}else if(distance(pos, C02P) < C02R){\npos = circleInverse(pos, C02P, C02R);\ncont = true;\nloopNum++;\n\n}else if(distance(pos, C03P) < C03R){\npos = circleInverse(pos, C03P, C03R);\ncont = true;\nloopNum++;\n\n}else if(distance(pos, C04P) < C04R){\npos = circleInverse(pos, C04P, C04R);\ncont = true;\nloopNum++;\n\n\n//}else if(distance(pos, C001P) < C001R){\n//pos = circleInverse(pos, C001P, C001R);\n//cont = true;\n//loopNum++;\n\n//}else if(distance(pos, C002P) < C002R){\n//pos = circleInverse(pos, C002P, C002R);\n//cont = true;\n//loopNum++;\n\n//}else if(distance(pos, C003P) < C003R){\n//pos = circleInverse(pos, C003P, C003R);\n//cont = true;\n//loopNum++;\n\n//}else if(distance(pos, C004P) < C004R){\n//pos = circleInverse(pos, C004P, C004R);\n//cont = true;\n//loopNum++;\n\n\n\n}else if(distance(pos, C1P) < C1R){\npos = circleInverse(pos, C1P, C1R);\ncont = true;\nloopNum++;\n//}else if(distance(pos, C2P) < C2R){\n//pos = circleInverse(pos, C2P, C2R);\n//cont = true;\n//loopNum++;\n//}else if(distance(pos, C3P) < C3R){\n//pos = circleInverse(pos, C3P, C3R);\n//cont = true;\n//loopNum++;\n//}else if(distance(pos, C4P) < C4R){\n//pos = circleInverse(pos, C4P, C4R);\n//cont = true;\n//loopNum++;\n//}else if(distance(pos, C5P) < C5R){\n//pos = circleInverse(pos, C5P, C5R);\n//cont = true;\n//loopNum++;\n\n\n\n}else if(distance(pos, C6P) < C6R){\npos = circleInverse(pos, C6P, C6R);\ncont = true;\nloopNum++;\n\n}else if(distance(pos, C7P) < C7R){\npos = circleInverse(pos, C7P, C7R);\ncont = true;\nloopNum++;\n\n}else if(distance(pos, C8P) < C8R){\npos = circleInverse(pos, C8P, C8R);\ncont = true;\nloopNum++;\n\n}else if(distance(pos, C9P) < C9R){\npos = circleInverse(pos, C9P, C9R);\ncont = true;\nloopNum++;\n\n\n\n}\nif(cont == false) break;\n}\n\nreturn loopNum;\n}\n\nvec3 hsv2rgb(vec3 c)\n{\nvec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\nvec3 p = abs(fract(c.xxx + K.xyz) * 2. - K.www);\nreturn c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);\n}\n\n\nconst float SAMPLE_NUM =1.;/*243*/\nvoid mainImage( out vec4 fragColor, in vec2 fragCoord ){\nvec3 sum = vec3(0);\nfloat ratio = iResolution.x / iResolution.y / 2.0;\n\n\nfor(float i = 0. ; i < SAMPLE_NUM ; i++){\nvec2 position = ((fragCoord.xy + rand2n(fragCoord.xy, i)) / iResolution.yy) - vec2(ratio, 0.5);\n\n\nposition *= 1.;\n\n\nif (distance(position, vec2(0.0)) > .5) {\nsum += vec3(1.0); \ncontinue;\n}\n// -----------------------------------\n\nfloat loopNum = IIS(position);\nif (loopNum > 0.) {\nsum += vec3(mod(floor(1.-loopNum), 2.));\n/*sum += hsv2rgb(vec3(0.0 * iTime / 1.0 + .5 * loopNum, 1.,1.));*/\n} else {\nsum += vec3(0.,.958,.487);\n}\n}\nfragColor = vec4(sum / SAMPLE_NUM, 1.0);\n}",
+   "name": "Image",
+   "description": "",
+   "type": "image"
+  }
+ ]
+}

𑁍/🞉𑁍🞉/ꟻ⅃OꓨƎᗡOϽ.Ǝ⅃ꓨIWT.🞉𑁍🞉.TWIGLE.CODEGOLF

@@ -0,0 +1,140 @@
+/*
+⠀
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+𔗢᯽𔗢 𔗢᯽𔗢
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+⠀
+*/
+precision highp float;
+
+uniform vec2 resolution;
+uniform float time;
+
+vec2 R(vec2 c,float s){
+vec2 q=c*(s+1.)+vec2(-1,1);
+return vec2(
+fract(sin(dot(q,vec2(12.9898,78.233)))*43758.5453*0.),/*1.*/
+fract(cos(dot(q,vec2(4.898,7.23)))*23421.631*0.)/*1.*/
+);
+}
+
+const vec2
+a=vec2(0,(1.+1./sqrt(2.))),
+b=vec2(0,-(1.+1./sqrt(2.))),
+c=vec2((1.+1./sqrt(2.)),0),
+d=vec2(-(1.+1./sqrt(2.)),0),
+e=vec2(0),
+f=vec2((1./(3.*sqrt(2.)-2.))),
+g=vec2(-(1./(3.*sqrt(2.)-2.))),
+h=vec2((1./(3.*sqrt(2.)-2.)),-(1./(3.*sqrt(2.)-2.))),
+i=vec2(-(1./(3.*sqrt(2.)-2.)),(1./(3.*sqrt(2.)-2.)));
+
+const float
+A=1./2.+sqrt(2.)/2.,
+B=.5*(3.-sqrt(8.)),
+C=.5*(3.-sqrt(8.))/(3.-sqrt(8.)),
+D=sqrt(2.)/7.-1./14.;
+
+vec2 I(vec2 p,vec2 c,float r){
+vec2 q=p-c;
+return q*r*r/dot(q,q)+c;
+}
+
+float F(vec2 p){
+float n=0.;
+bool q;
+for(int j=0;j<=19683;j++){
+q=false;
+if(distance(p,a)<A){
+p=I(p,a,A);
+q=true;
+n++;
+}
+else if(distance(p,b)<A){
+p=I(p,b,A);
+q=true;
+n++;
+}
+else if(distance(p,c)<A){
+p=I(p,c,A);
+q=true;
+n++;
+}
+else if(distance(p,d)<A){
+p=I(p,d,A);
+q=true;
+n++;
+}
+else if(distance(p,e)<C){
+p=I(p,e,C);
+q=true;
+n++;
+}
+else if(distance(p,f)<D){
+p=I(p,f,D);
+q=true;
+n++;
+}
+else if(distance(p,g)<D){
+p=I(p,g,D);
+q=true;
+n++;
+}
+else if(distance(p,h)<D){
+p=I(p,h,D);
+q=true;
+n++;
+}
+else if(distance(p,i)<D){
+p=I(p,i,D);
+q=true;
+n++;
+}
+if(!q)break;
+}
+return n;
+}
+
+void main(){
+
+vec3 s=vec3(0);
+float x=resolution.x/resolution.y/2.;
+const float S=1.;/*243*/
+
+for(float j=0.;j<S;j++){
+
+vec2 p=
+(gl_FragCoord.xy+R(gl_FragCoord.xy,j))
+/resolution.yy
+-vec2(x,.5);
+
+if(distance(p,vec2(0))>.5){
+s+=vec3(1);
+continue;
+}
+
+float n=F(p);
+
+if(n>0.)
+s+=vec3(mod(floor(1.-n),2.));
+else
+s+=vec3(0.,.958,.487);
+}
+
+gl_FragColor=vec4(s/S,1);
+}
+/*
+⠀
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+𔗢᯽𔗢 𔗢᯽𔗢
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+◦୦◦◯◦୦◦⠀       ⠀◦୦◦◯◦୦◦
+𖣠⚪𔗢⚪🞋⚪𔗢⚪𖣠
+⠀
+*/