complexpr/examples/mbrot.cxpr

let xscale = 100;
let yscale = xscale/2;

for y: range(0,yscale) {
    for x: range(0,xscale) {
        
        let a = (1.0*x/xscale)*3 - 2;
        let b = (1.0*y/yscale)*3 - 1.5;

        let c = a + b*1i;
        let z = c;

        let i = 0;
        while re(z)*re(z) + im(z)*im(z) <= 4 {
            z = z*z + c;
            if i > 70 {
                break;
            }
            i += 1;
        }
        
        if i > 70 {
            print(" ");
        } elif i > 20 {
            print("#");
        } elif i > 12 {
            print("$");
        } elif i > 8 {
            print("&");
        } elif i > 4 {
            print("+");
        } elif i > 2 {
            print(";");
        } else {
            print("-");
        }
    }
    println("");
}