[JScore-JS-Fundamentals-Exercises] - 10. Orbit

function orbit(input) {
    let [rowM,colM] = input[0].split(' ');
    let [sR,sC] = input[1].split(' ');
    rowM = Number(rowM);
    colM = Number(colM);
    sR = Number(sR);
    sC = Number(sC);
    let orbit = 1;

    // I - Define MATRIX => matrix[row][col]
    //let matrix = Array(rowM).fill(Array(colM), undefined, rowM);

    // II - Define MATRIX => matrix[row][col]
    let matrix = [];
    for(var i=0; i<rowM; i++) {
        matrix[i] = [];
        for(var j=0; j<colM; j++) {
            matrix[i][j] = undefined;
        }
    }

    // The Star's cell
    matrix[sR][sC]=orbit;

    let startRow = sR - 1, startCol = sC - 1;
    let endRow = sR + 1, endCol = sC + 1;

    while (true) {
        orbit++;

        for (let row = startRow; row <=endRow; row++) {
            for (let col = startCol; col<=endCol; col++){
                if (!((row==sR && col==sC) || row<0 || row>=rowM || col<0 || col>=colM)){
                    if (row==startRow || row==endRow) {
                        matrix[row][col] = orbit;
                    } else {
                        if (col==startCol || col==endCol){
                            matrix[row][col] = orbit;
                        }
                    }

                }

            }
        }
        startRow--;
        endRow++;
        startCol--;
        endCol++;

        if (startRow<0 && endRow==rowM && startCol<0 && endCol==colM) {
            break;
        }
    } // End while

    for (let row of matrix){
        console.log(row.join(' '));
    }
}