/*
 * Copyright (c) 2024 Ross Cunniff
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
using namespace oadl;

#include "libstd.oah"

const nCirc = 150;
const rad = 12.0;

proc main()
{
    var ang, x, y;
    var i, j, n;
    var pic;
    using math::PI, math::floor, math::sin, math::cos;

    // Go for the full circle from 0 to 2*PI
    ang = 2*PI*nCirc.iterate() / nCirc;

    // Calculate col and row
    x = Int(floor(0.5 + rad * (1.0 + sin(ang))));
    y = Int(floor(0.5 + rad * (1.0 + cos(ang))));

    // Allocate our picture
    n = 2*Int(rad) + 1;
    pic = new Array(n);

    // And its rows - initializing them to spaces
    for (i = 0; i < n; i++) {
        pic[i] = new String(2*n);
        for (j = 0; j < 2*n; j++) {
            pic[i][j] = ' ';
        }
    }

    // Now draw the circle with asterisks
    for (i = 0; i < nCirc; i += 1) {
        pic[y[i]][2*x[i]] = '*';
    }

    // Print out our pretty circle
    say(std::tolower("HERE IS A PRETTY CIRCLE\n"));
    for (i = 0; i < pic.length(); i++) {
        say(pic[i], "\n");
    }
}