cleaning up the component system just a bit more...

common/elements/v1/blocks/block.go

@@ -10,44 +10,31 @@ import (
 	"github.com/hajimehoshi/ebiten/v2/vector"
 )
 
-func New(ops ...OptFunc) elements.InitFunc {
-	return func() elements.Element {
-		b := Block{}
-		for i := range ops {
-			ops[i](&b)
-		}
-		return &b
+func New(ops ...OptFunc) elements.Element {
+	b := Block{}
+	for i := range ops {
+		ops[i](&b)
 	}
+	return &b
 }
 
 type Block struct {
-	anchor          elements.Point
+	elements.Core
+
 	backgroundColor *color.Color
 	mouse.NopHandler
 	width, height int
 	name          string
 }
 
-func (b *Block) SetAnchor(a elements.Point) {
-	d := b.anchor.Delta(a)
-	for i := range b.Children() {
-		b.Children()[i].SetAnchor(b.Children()[i].Anchor().Add(d))
-	}
-	b.anchor = a
-}
-
 func (b *Block) Bounds() elements.Bounds {
 	return elements.Bounds{
-		Min:    b.anchor,
+		Min:    b.Anchor(),
 		Width:  b.width,
 		Height: b.height,
 	}
 }
 
-func (b *Block) Anchor() elements.Point {
-	return b.anchor
-}
-
 func (b *Block) Size() (w, h int) {
 	return b.width, b.height
 }
@@ -57,8 +44,8 @@ func (b *Block) Draw(image *ebiten.Image) {
 	if b.backgroundColor != nil {
 		vector.DrawFilledRect(
 			image,
-			float32(b.anchor.X),
-			float32(b.anchor.Y),
+			float32(b.Anchor().X),
+			float32(b.Anchor().Y),
 			float32(bnd.Width),
 			float32(bnd.Height),
 			*b.backgroundColor,
@@ -67,7 +54,3 @@ func (b *Block) Draw(image *ebiten.Image) {
 	}
 	return
 }
-
-func (b *Block) Children() []elements.Element {
-	return nil
-}

common/elements/v1/blocks/options.go

@@ -1,9 +1,19 @@
 package blocks
 
-import "image/color"
+import (
+	"image/color"
+
+	"git.vezzani.net/ben/games/common/elements/v1"
+)
 
 type OptFunc func(*Block)
 
+func Core(f elements.OptFunc) OptFunc {
+	return func(b *Block) {
+		f(&b.Core)
+	}
+}
+
 func Size(w, h int) OptFunc {
 	return func(b *Block) {
 		b.width, b.height = w, h