endless-edit-oldgo/vec2.go

package main

import (
	"fmt"
	"strconv"
	"strings"
)

type Vec2 struct {
	X, Y float64
}

func (v *Vec2) String() string {
	return fmt.Sprintf("%f %f", v.X, v.Y)
}

func (v *Vec2) Parse(line string) error {
	parts := strings.Split(line, " ")
	have_x := false
	for _, p := range parts {
		if CanFloat(p) || CanInt(p) {
			val, err := strconv.ParseFloat(p, 64)
			if err != nil {
				return err
			}
			if !have_x {
				v.X = val
				have_x = true
			} else {
				v.Y = val
				break
			}
		}
	}
	return nil
}