enso.ecs.java

const colors = split(' ,.,.,-,-,_,+,+,/,=,L,7,H,%,#,@', ','); 
    
let darken = fn(int idx, int darkness) {
    if (idx > darkness) {
        return idx - darkness;
    } else {
        return 0;
    }
}

let spiral = fn(int idx, int x, int y, int cx, int cy, int radius) {
    float waveX = Math.abs(Math.sin((cx-x) / (Math.PI() / radius))),
        waveY = Math.abs(Math.cos((cy-y*2) / (Math.PI() / radius)));

    int value = Math.floor((waveX * waveY*10)); 

    if (value > 16) {
        value = 16;
    }
    if (value < 0) {
        value = 0;
    }
    return value;
}

let circle = fn(int x, int y, int cx, int cy, int cr) {
    int dx = x-cx,
        dy = y-cy;
    
    return (dx*dx/3.8)+(dy*dy) < (cr*cr);
}

    for (y, 80) {  
        string s = '-'; 
        string line = ' ';  
        int idx = 0;

        for (x, 160) {
            idx = ((x%y)+x*x)%16;

            if (circle(x, y, 80, 40, 40)) {
                idx = darken(idx, 5);
            }

            if (circle(x, y, 80, 40, 30)) {
                idx = spiral(darken(idx, 2), x, y, 80, 40, 5);
            }

            if (circle(x, y, 80, 40, 15)) {
                idx = darken(idx, 4);
            }

            string line = colors[idx];
            let s = s + line; 
        } 
        print(s); 
    }