fixup! fixup! fixup! Add unit tests for points

pkg/point/extend_point.go

@@ -52,8 +52,9 @@ func (b *ExtendPoint) Vector() vector.Vector {
 
 // Matrix calculates and returns the [canvas.Matrix] of a point.
 func (b *ExtendPoint) Matrix() canvas.Matrix {
-	return b.to.Matrix().Translate(b.extendedVector().Values()).
-		Rotate((b.from.Vector().AngleBetween(b.to.Vector()) - math.Pi/2) * 180 / math.Pi)
+	return canvas.Identity.Translate(b.Position().Vector.Values()).Rotate(b.Position().RotationD())
+	//return b.to.Matrix().Translate(b.extendedVector().Values()).
+	//	Rotate((b.from.Vector().AngleBetween(b.to.Vector()) - math.Pi/2) * 180 / math.Pi)
 }
 
 // ID returns the point ID.

pkg/point/point.go

@@ -53,7 +53,7 @@ func Draw(c *canvas.Canvas, point Point, face *canvas.FontFace, debug bool) {
 	c.RenderPath(path, style, m)
 
 	text := canvas.NewTextLine(face, point.Name(), canvas.Bottom)
-	c.RenderText(text, m.Translate(2, -4))
+	c.RenderText(text, m.Translate(2, -4).Rotate(-point.Position().RotationD()))
 
 	if debug {
 		yStyle := canvas.Style{