package attribute

import (
	"bytes"

	"git.codemonkeysoftware.net/b/hatmill"
)

type CoordsList []float32

func (l CoordsList) String() string {
	var buf bytes.Buffer
	for i, f := range l {
		if i > 0 {
			buf.WriteRune(',')
		}
		buf.WriteString(Float(f).String())
	}
	return buf.String()
}

func Coords(values ...float32) hatmill.Attrib {
	return hatmill.Attrib{
		Key:   "coords",
		Value: CoordsList(values),
	}
}