Function add

terrain.js:218–227

()

}

function add() {
    var n = arguments[0].length;
    var newvals = zero(arguments[0].mesh);
    for (var i = 0; i < n; i++) {
        for (var j = 0; j < arguments.length; j++) {
            newvals[i] += arguments[j][i];
        }
    }
    return newvals;
}

function mountains(mesh, n, r) {
    r = r || 0.05;