diff --git a/example/mandelbrot.wren b/example/mandelbrot.wren new file mode 100644 index 00000000..31bc86c0 --- /dev/null +++ b/example/mandelbrot.wren @@ -0,0 +1,36 @@ +var yMin = -0.2 +var yMax = 0.1 +var xMin = -1.5 +var xMax = -1.1 + +for (yPixel in 0...24) { + var y = (yPixel / 24) * (yMax - yMin) + yMin + for (xPixel in 0...80) { + var x = (xPixel / 79) * (xMax - xMin) + xMin + var pixel = " " + var x0 = x + var y0 = y + for (iter in 0...80) { + var x1 = (x0 * x0) - (y0 * y0) + var y1 = 2 * x0 * y0 + + // Add the seed. + x1 = x1 + x + y1 = y1 + y + + x0 = x1 + y0 = y1 + + // Stop if the point escaped. + var d = (x0 * x0) + (y0 * y0) + if (d > 4) { + pixel = " .:;+=xX$&"[(iter / 8).floor] + break + } + } + + IO.write(pixel) + } + + IO.print("") +} \ No newline at end of file