レーダーチャート？これで満足か？

    cx = 320: cy = 240
    r = 200.0
    n = 5
    ddim p, n: p = 1.0, 0.5, 0.7, 0.8, 0.5
    m = 5
    repeat n
        x1 = r * cos(2.0 * M_PI * cnt / n - M_PI / 2)
        y1 = r * sin(2.0 * M_PI * cnt / n - M_PI / 2)
        x2 = r * cos(2.0 * M_PI * (cnt + 1) / n - M_PI / 2)
        y2 = r * sin(2.0 * M_PI * (cnt + 1) / n - M_PI / 2)
        color 128, 128, 128
        repeat m, 1
            line cx + x1 * cnt / m, cy + y1 * cnt / m, cx + x2 * cnt / m, cy + y2 * cnt / m
        loop
        line cx + x1, cy + y1, cx + x2, cy + y2
        line cx + x1, cy + y1, cx, cy
        color 0, 0, 255
        line cx + p(cnt) * x1, cy + p(cnt) * y1, cx + p((cnt + 1) \ n) * x2, cy + p((cnt + 1) \ n) * y2
    loop