Mandelbrot set: Difference between revisions

Line 5,016:

=={{header|Dart}}==

Implementation in ~~Google~~ Dart works on ~~http~~://~~try.dartlang.org/ (as of 10/18/2011) since the language is very new, it may break in the future~~.

Implementation in Dart, works on https://dartpad.dev

The implementation uses a incomplete Complex class supporting operator overloading.

The implementation uses an incomplete Complex class supporting operator overloading.

<syntaxhighlight lang="dart">~~class Complex {~~

class Complex {

double _r,_i;

double _r, _i;

Complex(this._r,this._i);

Complex(this._r, this._i);

~~double~~ get r => _r;

get r => _r;

~~double~~ get i => _i;

get i => _i;

~~String~~ toString() => "($r,$i)";

toString() => "($r,$i)";

~~Complex~~ operator +(Complex other) => ~~new~~ Complex(r+other.r,i+other.i);

operator +(Complex other) => Complex(r + other.r, i + other.i);

~~Complex~~ operator *(Complex other) =>

operator *(Complex other) =>

~~new~~ Complex(r*other.r-i*other.i,r*other.i+other.r*i);

Complex(r * other.r - i * other.i, r * other.i + other.r * i);

~~double~~ abs() => r*r+i*i;

abs() => r * r + i * i;

}

void main() {

~~double~~ ~~start_x~~=-1.5;

const startX = -1.5;

~~double~~ ~~start_y~~=-1.0;

const startY = -1.0;

~~double~~ ~~step_x~~=0.03;

const stepX = 0.03;

~~double~~ ~~step_y~~=0.1;

const stepY = 0.1;

for(int y=0;y<20;y++) {

for (int y = 0; y < 20; y++) {

String line="";

String line = "";

for(int x=0;x<70;x++) {

for (int x = 0; x < 70; x++) {

~~Complex~~ c=~~new~~ Complex(~~start_x~~+~~step_x~~*x,~~start_y~~+~~step_y~~*y);

var c = Complex(startX + stepX * x, startY + stepY * y);

~~Complex~~ z=~~new~~ Complex(0.0, 0.0);

var z = Complex(0.0, 0.0);

for(int i=0;i<100;i++) {

for (int i = 0; i < 100; i++) {

z=z*(z)+c;

z = z * z + c;

if(z.abs()>2) {

if (z.abs() > 2) {

break;

}

line+=z.abs()>2 ? " " : "*";

line += z.abs() > 2 ? " " : "*";

}

print(line);

}

⚫

}</syntaxhighlight>

⚫

</syntaxhighlight>

=={{header|Dc}}==