// Created by rkk alert("My debut in web contest(my web knowledge is awful and limited so)\nFeatures:\n1) Everything is random in this code.\n2) Mountains are generated randomly with different size each time you RELOAD.\n3) Waves are random too, either sine or cosine(also sea level changes).\n4) Stars are generated randomly as well."); alert("Any suggestions are most welcome(and many thanks in advance).\nPS:The output may be messy something(ignore it and hit RELOAD)\n[SPECIAL THANKS TO JUSTIN AND ALEX for hosting]"); window.onload = function() {MountainSea()}; function MountainSea(){ let stars = 20; // no of stars // return the sum of a row function accumulate(m) { let sum = 0; for (let i = 0; i < m.length; sum += m[i], i++); return sum; } function random(max = 1, min = 0) { return Math.random() * (max - min) + min; } // random generator // this func returns reverse of an array function reverseArray(arr) { let newArray = []; for (let i = arr.length - 1; i >= 0; i--) newArray.push((arr[i] == 1 ? 2 : (arr[i] == 2 ? 1 : arr[i]))); return newArray; } // generate random mountains height function generateMountainHeight() { let no = ""; for (let i = 0; i <= 5; i++) no += ((i % 2) ? Math.ceil(random(3, 4)).toString() : Math.ceil(random(5, 8)).toString()); return no; } // calculate sum of digit function sumOfDigit(no) { let sod = 0, n = Number(no); while (n) { sod += n % 10; n = Math.floor(n / 10); } return sod; } // generate random mountain's valley height function array2D(r, c, val = 0) { let mat = new Array(r); for (let i = 0; i < r; i++) mat[i] = new Array(c); for (let i = 0; i < r; i++) for (let j = 0; j < c; j++) mat[i][j] = val; return mat; } // print mountains function mountain(no) { // form matrix of size row, col, fill it with 0's let row = sumOfDigit(no) * 2, col = row / 2; let m = array2D(row, col, 0); // form line graph let t = col - 1, j = 0; // t = starting pt. for (let v = 0; v < no.length; v++) { let val = no[v] - '0'; while (val--) { if (v % 2 === 0) { m[t][j] = 1; t--; } else { m[t][j] = 2; t++; } j++; } t += (v % 2 === 0); } // forming mountains for (let i = 0; i < row; i++) { for (let j = 0; j < col; j++) { if (m[i][j] > 0) { for (let k = i + 1; k < row / 2; k++) m[k][j] = 3; } } } // merging the array with its mirror version for (let i = 0; i < row; i++) { if (accumulate(m[i]) > 0) { let tmp1 = reverseArray(m[i]); m[i] = (m[i].concat(tmp1)); } } // print only rows having graph element (/,\) let txt = ""; for (let i = 0; i < row; i++) { if (accumulate(m[i]) > 0) { for (let j = 0; j < 2 * col; j++){ let tmp = Math.round(random(0,15)); txt += ((m[i][j] == 1) ? "/" : ((m[i][j] == 2) ? "\\" : ((m[i][j] == 3 ? "|" : ""+((tmp==3&&stars>0)?".":" "))))); if(tmp==3) stars--; } txt += ("
"); } } return txt; } // generate either sine or cosine wave in water function water(no, flag) { let txt = ""; let r = 4, c = sumOfDigit(no) * 2; let trigWave = array2D(r, c, " "); // creating trigonometry waves for (let i = 0; i < c; ++i) trigWave[Number(Math.round(1.5 * (flag?Math.cos(i/4):Math.sin(i / 4))+ 1.5))][i] = "."; for (let i = 0; i < r; i++) { for (let j = 0; j < c; j++) txt += (trigWave[i][j] + " "); txt += ("
"); } return txt; } let no = generateMountainHeight(); //"54848"; let txt1 = document.getElementById('box1'); let txt2 = document.getElementById('box2'); let waterTxt = ""; let flag = Math.round(random(0,2)); for (let i = 0; i < 20; i++) waterTxt += water(no, flag); txt1.innerHTML = mountain(no); txt2.innerHTML = waterTxt; }

⛰️Mountain Sea🌊[Contest by Justin, Alex] Pure JS