Better commenting throughout

internal/ui/hud/hud.go

@@ -8,20 +8,17 @@ import (
 	"github.com/atridad/LilGuy/internal/status"
 )
 
-// HUD overlay anchor.
 type Overlay struct {
 	X     int
 	Y     int
 	Color color.Color
 }
 
-// Paints the HUD overlay.
 func (o Overlay) Draw(screen *ebiten.Image, meters []status.Meter) {
 	if o.Color == nil {
 		o.Color = color.White
 	}
 
-	// Instruction text
 	instructions := Column{
 		Elements: []Element{
 			Label{Text: "Lil Guy", Color: o.Color},
@@ -31,16 +28,13 @@ func (o Overlay) Draw(screen *ebiten.Image, meters []status.Meter) {
 	}
 	instructions.Draw(screen, 16, 16)
 
-	// Meter column
 	meterElements := make([]Element, 0, len(meters))
 	for _, meter := range meters {
 		if meter.Base < 0 {
-			// Text-only display (no bar).
 			meterElements = append(meterElements,
 				MeterLabel{Meter: meter, Color: o.Color},
 			)
 		} else {
-			// Full meter with bar.
 			meterElements = append(meterElements, Column{
 				Elements: []Element{
 					MeterLabel{Meter: meter, Color: o.Color},