sampler-fork/component/geometry.go

41 lines
762 B
Go

package component
import (
"image"
"math"
)
func getRectLeftAgeCenter(rect image.Rectangle) image.Point {
return image.Point{
X: rect.Min.X,
Y: rect.Min.Y + rect.Dy()/2,
}
}
func getRectRightAgeCenter(rect image.Rectangle) image.Point {
return image.Point{
X: rect.Max.X,
Y: rect.Min.Y + rect.Dy()/2,
}
}
func getRectTopAgeCenter(rect image.Rectangle) image.Point {
return image.Point{
X: rect.Min.X + rect.Dx()/2,
Y: rect.Min.Y,
}
}
func getRectBottomAgeCenter(rect image.Rectangle) image.Point {
return image.Point{
X: rect.Min.X + rect.Dx()/2,
Y: rect.Max.Y,
}
}
func getDistance(p1 image.Point, p2 image.Point) float64 {
x := math.Abs(float64(p1.X - p2.X))
y := math.Abs(float64(p1.Y - p2.Y))
return math.Sqrt(x*x + y*y)
}