// Shaders and Logic By Chillpill /* Generated by the Nim Compiler v1.2.2 */ /*window.onload=()=>{ async function load_github(){ const s = document.createElement("script") const response = await fetch("https://emgithub.com/embed.js?target=https%3A%2F%2Fgithub.com%2Fayushashi11%2Fnim-tutorial-blog%2Fblob%2Fmaster%2Fshaders_p5_nim%2Fp5_voronoi_shader.nim&style=github&showBorder=on&showLineNumbers=on&showFileMeta=on") const text = await response.text() s.innerHTML = text document.getElementsByClassName("source")[0].appendChild(s) } load_github().catch((error)=>{ console.log("error:",error) }) }*/ alert("Originally created by ChillPill in JS.\nI rewrote this code in Nim"); var framePtr = null; var excHandler = 0; var lastJSError = null; if (typeof Int8Array === 'undefined') Int8Array = Array; if (typeof Int16Array === 'undefined') Int16Array = Array; if (typeof Int32Array === 'undefined') Int32Array = Array; if (typeof Uint8Array === 'undefined') Uint8Array = Array; if (typeof Uint16Array === 'undefined') Uint16Array = Array; if (typeof Uint32Array === 'undefined') Uint32Array = Array; if (typeof Float32Array === 'undefined') Float32Array = Array; if (typeof Float64Array === 'undefined') Float64Array = Array; var NTI6237 = {size: 0, kind: 17, base: null, node: null, finalizer: null}; var NTI143 = {size: 0,kind: 31,base: null,node: null,finalizer: null}; var NTI160043 = {size: 0, kind: 18, base: null, node: null, finalizer: null}; var NTI6008 = {size: 0, kind: 17, base: null, node: null, finalizer: null}; var NTI6286 = {size: 0,kind: 22,base: null,node: null,finalizer: null}; var NTI112 = {size: 0,kind: 28,base: null,node: null,finalizer: null}; var NTI114 = {size: 0,kind: 29,base: null,node: null,finalizer: null}; var NTI6281 = {size: 0,kind: 22,base: null,node: null,finalizer: null}; var NTI6217 = {size: 0, kind: 17, base: null, node: null, finalizer: null}; var NTI6219 = {size: 0, kind: 17, base: null, node: null, finalizer: null}; var NTI6233 = {size: 0, kind: 17, base: null, node: null, finalizer: null}; var NTI6235 = {size: 0, kind: 17, base: null, node: null, finalizer: null}; var NNI6235 = {kind: 2, len: 0, offset: 0, typ: null, name: null, sons: []}; NTI6235.node = NNI6235; var NNI6233 = {kind: 2, len: 0, offset: 0, typ: null, name: null, sons: []}; NTI6233.node = NNI6233; var NNI6219 = {kind: 2, len: 0, offset: 0, typ: null, name: null, sons: []}; NTI6219.node = NNI6219; NTI6281.base = NTI6217; NTI6286.base = NTI6217; var NNI6217 = {kind: 2, len: 5, offset: 0, typ: null, name: null, sons: [{kind: 1, offset: "parent", len: 0, typ: NTI6281, name: "parent", sons: null}, {kind: 1, offset: "name", len: 0, typ: NTI114, name: "name", sons: null}, {kind: 1, offset: "message", len: 0, typ: NTI112, name: "msg", sons: null}, {kind: 1, offset: "trace", len: 0, typ: NTI112, name: "trace", sons: null}, {kind: 1, offset: "up", len: 0, typ: NTI6286, name: "up", sons: null}]}; NTI6217.node = NNI6217; var NNI6008 = {kind: 2, len: 0, offset: 0, typ: null, name: null, sons: []}; NTI6008.node = NNI6008; NTI6217.base = NTI6008; NTI6219.base = NTI6217; NTI6233.base = NTI6219; NTI6235.base = NTI6233; var NNI160043 = {kind: 2, len: 2, offset: 0, typ: null, name: null, sons: [{kind: 1, offset: "Field0", len: 0, typ: NTI114, name: "Field0", sons: null}, {kind: 1, offset: "Field1", len: 0, typ: NTI143, name: "Field1", sons: null}]}; NTI160043.node = NNI160043; var NNI6237 = {kind: 2, len: 0, offset: 0, typ: null, name: null, sons: []}; NTI6237.node = NNI6237; NTI6237.base = NTI6233; function makeNimstrLit(c_225062) { var ln = c_225062.length; var result = new Array(ln); for (var i = 0; i < ln; ++i) { result[i] = c_225062.charCodeAt(i); } return result; } function arrayConstr(len_250067, value_250068, typ_250069) { var result = new Array(len_250067); for (var i = 0; i < len_250067; ++i) result[i] = nimCopy(null, value_250068, typ_250069); return result; } function setConstr() { var result = {}; for (var i = 0; i < arguments.length; ++i) { var x = arguments[i]; if (typeof(x) == "object") { for (var j = x[0]; j <= x[1]; ++j) { result[j] = true; } } else { result[x] = true; } } return result; } var ConstSet1 = setConstr(17, 16, 4, 18, 27, 19, 23, 22, 21); function nimCopy(dest_240023, src_240024, ti_240025) { var result_245219 = null; switch (ti_240025.kind) { case 21: case 22: case 23: case 5: if (!(is_fat_pointer_235401(ti_240025))) { result_245219 = src_240024; } else { result_245219 = [src_240024[0], src_240024[1]]; } break; case 19: if (dest_240023 === null || dest_240023 === undefined) { dest_240023 = {}; } else { for (var key in dest_240023) { delete dest_240023[key]; } } for (var key in src_240024) { dest_240023[key] = src_240024[key]; } result_245219 = dest_240023; break; case 18: case 17: if (!((ti_240025.base == null))) { result_245219 = nimCopy(dest_240023, src_240024, ti_240025.base); } else { if ((ti_240025.kind == 17)) { result_245219 = (dest_240023 === null || dest_240023 === undefined) ? {m_type: ti_240025} : dest_240023; } else { result_245219 = (dest_240023 === null || dest_240023 === undefined) ? {} : dest_240023; } } nimCopyAux(result_245219, src_240024, ti_240025.node); break; case 24: case 4: case 27: case 16: if (src_240024 === null) { result_245219 = null; } else { if (dest_240023 === null || dest_240023 === undefined) { dest_240023 = new Array(src_240024.length); } else { dest_240023.length = src_240024.length; } result_245219 = dest_240023; for (var i = 0; i < src_240024.length; ++i) { result_245219[i] = nimCopy(result_245219[i], src_240024[i], ti_240025.base); } } break; case 28: if (src_240024 !== null) { result_245219 = src_240024.slice(0); } break; default: result_245219 = src_240024; break; } return result_245219; } function cstrToNimstr(c_225079) { var ln = c_225079.length; var result = new Array(ln); var r = 0; for (var i = 0; i < ln; ++i) { var ch = c_225079.charCodeAt(i); if (ch < 128) { result[r] = ch; } else { if (ch < 2048) { result[r] = (ch >> 6) | 192; } else { if (ch < 55296 || ch >= 57344) { result[r] = (ch >> 12) | 224; } else { ++i; ch = 65536 + (((ch & 1023) << 10) | (c_225079.charCodeAt(i) & 1023)); result[r] = (ch >> 18) | 240; ++r; result[r] = ((ch >> 12) & 63) | 128; } ++r; result[r] = ((ch >> 6) & 63) | 128; } ++r; result[r] = (ch & 63) | 128; } ++r; } return result; } function toJSStr(s_225096) { var Tmp5; var Tmp7; var result_225097 = null; var res_225170 = new_seq_225128((s_225096 != null ? s_225096.length : 0)); var i_225172 = 0; var j_225174 = 0; L1: do { L2: while (true) { if (!(i_225172 < (s_225096 != null ? s_225096.length : 0))) break L2; var c_225175 = s_225096[i_225172]; if ((c_225175 < 128)) { res_225170[j_225174] = String.fromCharCode(c_225175); i_225172 += 1; } else { var helper_225198 = new_seq_225128(0); L3: do { L4: while (true) { if (!true) break L4; var code_225199 = c_225175.toString(16); if (((code_225199 != null ? code_225199.length : 0) == 1)) { if (helper_225198 != null) { helper_225198.push("%0"); } else { helper_225198 = ["%0"]; }; } else { if (helper_225198 != null) { helper_225198.push("%"); } else { helper_225198 = ["%"]; }; } if (helper_225198 != null) { helper_225198.push(code_225199); } else { helper_225198 = [code_225199]; }; i_225172 += 1; if (((s_225096 != null ? s_225096.length : 0) <= i_225172)) Tmp5 = true; else { Tmp5 = (s_225096[i_225172] < 128); } if (Tmp5) { break L3; } c_225175 = s_225096[i_225172]; } } while(false); ++excHandler; Tmp7 = framePtr; try { res_225170[j_225174] = decodeURIComponent(helper_225198.join("")); --excHandler; } catch (EXC) { var prevJSError = lastJSError; lastJSError = EXC; --excHandler; framePtr = Tmp7; res_225170[j_225174] = helper_225198.join(""); lastJSError = prevJSError; } finally { framePtr = Tmp7; } } j_225174 += 1; } } while(false); if (res_225170 === null) res_225170 = []; if (res_225170.length < j_225174) { for (var i=res_225170.length;i 2147483647 || result < -2147483648) raiseOverflow(); return result; } function addInt(a_230403, b_230404) { var result = a_230403 + b_230404; if (result > 2147483647 || result < -2147483648) raiseOverflow(); return result; } var nim_program_result = 0; var global_raise_hook_142018 = [null]; var local_raise_hook_142023 = [null]; var out_of_mem_hook_142026 = [null]; var unhandled_exception_hook_142031 = [null]; if (!Math.trunc) { Math.trunc = function(v) { v = +v; if (!isFinite(v)) return v; return (v - v % 1) || (v < 0 ? -0 : v === 0 ? v : 0); }; } var object_id_855031 = [0]; var myshader_1272030 = [null]; var rotation_angle_1272031 = [0.0]; function preload() { var F={procname:"p5_voronoi_shader.preload",prev:framePtr,filename:"p5_voronoi_shader.nim",line:0}; framePtr = F; framePtr = F.prev; } function setup() { var F={procname:"p5_voronoi_shader.setup",prev:framePtr,filename:"p5_voronoi_shader.nim",line:0}; framePtr = F; F.line = 71; createCanvas(displayWidth, displayHeight, WEBGL); F.line = 72; myshader_1272030[0] = createShader("attribute vec3 aPosition;\nattribute vec2 aTexCoord;\nattribute vec4 aColor;\n\nuniform mat4 uModelViewMatrix;\nuniform mat4 uProjectionMatrix;\nuniform float uTime;\n\nvarying vec2 vTexCoord;\nvarying vec4 vColor;\nvarying float vTime;\nvoid main(){\n vTexCoord=aTexCoord;\n vColor=aColor;\n vTime=uTime;\n vec4 positionVec4=vec4(aPosition,1.0);\n gl_Position=uProjectionMatrix*uModelViewMatrix*positionVec4;\n}\n", "precision mediump float;\nvarying vec2 vTexCoord;\nvarying vec4 vColor;\nvarying float vTime;\nvoid main(){\n vec2 points[5];\n points[0]=vec2(0.2,0.2);\n points[1]=vec2(0.7,0.25);\n points[2]=vec2(0.1,0.9);\n points[3]=vec2(0.8,0.7);\n points[4]=vec2(0.4,0.6);\n vec2 coord=vTexCoord;\n float mdist=1.0;\n for(int i=0;i<5;++i){\n float dist=distance(points[i],coord);\n if(dist

Chill pill's p5 voronoi shader in Nim