Use the cool half-character trick from icatHEADmain

1 files changed, 10 insertions, 2 deletions

diff --git a/mandelbrot.go b/mandelbrot.go
index 686625b..0b87ecf 100644
--- a/mandelbrot.go
+++ b/mandelbrot.go
@@ -46,6 +46,14 @@ func main() {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
+	height-- // Leave a line for the status bar
+
+	// Try not to stretch Mandelbrot
+	if yRange*float64(width) <= xRange*float64(height)*5/2 {
+		height = int(yRange * float64(width) / (xRange * 5 / 2))
+	} else {
+		width = int(xRange * float64(height) * 5 / 2 / yRange)
+	}
 
 	xStep := xRange / float64(width)
 	yStep := yRange / float64(height)
@@ -54,10 +62,10 @@ func main() {
 	for i := 0; i < height; i++ {
 		x := xMin
 		for j := 0; j < width; j++ {
-			fmt.Printf("\033[4%dm ", mandelbrot(x, y))
+			fmt.Printf("\033[3%dm\033[4%dm▀", mandelbrot(x, y), mandelbrot(x, y+yStep/2))
 			x += xStep
 		}
-		fmt.Println("\033[49m")
+		fmt.Println("\033[m")
 		y += yStep
 	}
 }