draw2d/path/utils.go

package path

import (
	"math"
)

func distance(x1, y1, x2, y2 float64) float64 {
	return vectorDistance(x2-x1, y2-y1)
}

func vectorDistance(dx, dy float64) float64 {
	return float64(math.Sqrt(dx*dx + dy*dy))
}