2 files changed, 11 insertions(+), 0 deletions(-)

M README.md
M main.go

@@ 8,4 8,10 @@ A terminal with snowflakes
 git clone https://git.sr.ht/~rockorager/snowflake-term
 cd snowflake-term
 go run ./
+
 ```
+
+## Options
+
+`-n` int number of snowflakes
+`-speed` int speed of the snowflakes

@@ 2,6 2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"math/rand"
 	"os"
 	"os/exec"


@@ 20,6 21,10 @@ func main() {
 	flag.IntVar(&speed, "speed", 100, "speed of the flakes")
 	flag.Parse()
 
+	if speed <= 0 {
+		fmt.Println("speed must be > 0")
+		os.Exit(1)
+	}
 	vx, err := vaxis.New(vaxis.Options{})
 	if err != nil {
 		panic(err)