Merge pull request #22 from OpenSauce/Render-Debug-Depth

Added in Debug Rendering as a BFS to Render Depth

container.go

@@ -2,7 +2,6 @@ package furex
 
 import (
 	"image"
-	"image/color"
 
 	"github.com/hajimehoshi/ebiten/v2"
 	"github.com/hajimehoshi/ebiten/v2/inpututil"
@@ -22,26 +21,12 @@ func (ct *containerEmbed) processEvent() {
 
 // Draw draws it's children
 func (ct *containerEmbed) Draw(screen *ebiten.Image) {
-	if Debug {
-		G.DrawRect(screen, &DrawRectOpts{
-			Rect:        ct.frame,
-			Color:       color.RGBA{0xff, 0xff, 0, 0xff},
-			StrokeWidth: 2,
-		})
-	}
 	for _, c := range ct.children {
 		b := c.bounds.Add(ct.frame.Min)
 		if c.item.Handler != nil {
 			c.item.Handler.HandleDraw(screen, b)
 		}
 		c.item.Draw(screen)
-		if Debug {
-			G.DrawRect(screen, &DrawRectOpts{
-				Rect:        b,
-				Color:       color.RGBA{0xff, 0, 0xff, 0xff},
-				StrokeWidth: 2,
-			})
-		}
 	}
 }
 

examples/nesting/main.go

@@ -111,6 +111,8 @@ func (g *Game) setupUI() {
 func main() {
 	ebiten.SetWindowSize(480, 640)
 
+	furex.Debug = true
+
 	game, err := NewGame()
 	if err != nil {
 		panic(err)

furex.go

@@ -1,3 +1,50 @@
 package furex
 
-var Debug = false
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
+var (
+	Debug           = false
+	debugColor      = color.RGBA{0xff, 0, 0, 0xff}
+	debugColorShift = ebiten.ColorM{}
+)
+
+func debugBorders(screen *ebiten.Image, root containerEmbed) {
+	queue := []containerEmbed{}
+	queue = append(queue, root)
+	renderColor := resetDebugColor()
+
+	for len(queue) > 0 {
+		levelSize := len(queue)
+		for levelSize != 0 {
+			curr := queue[0]
+			queue = queue[1:]
+
+			G.DrawRect(screen, &DrawRectOpts{
+				Rect:        curr.frame,
+				Color:       renderColor,
+				StrokeWidth: 2,
+			})
+
+			for _, c := range curr.children {
+				queue = append(queue, c.item.containerEmbed)
+			}
+			levelSize--
+		}
+
+		renderColor = rotateDebugColor()
+	}
+}
+
+func rotateDebugColor() color.Color {
+	debugColorShift.RotateHue(1.66)
+	return debugColorShift.Apply(debugColor)
+}
+
+func resetDebugColor() color.Color {
+	debugColorShift = ebiten.ColorM{}
+	return debugColor
+}

go.mod

@@ -3,9 +3,9 @@ module github.com/yohamta/furex/v2
 go 1.16
 
 require (
-	github.com/hajimehoshi/ebiten/v2 v2.2.0
-	github.com/stretchr/testify v1.7.1
-	golang.org/x/exp v0.0.0-20211008200323-95152d363a1c
-	golang.org/x/mobile v0.0.0-20210924032853-1c027f395ef7 // indirect
-	golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac // indirect
+	github.com/hajimehoshi/ebiten/v2 v2.3.7
+	github.com/stretchr/testify v1.8.0
+	golang.org/x/exp/shiny v0.0.0-20220722155223-a9213eeb770e // indirect
+	golang.org/x/mobile v0.0.0-20220722155234-aaac322e2105 // indirect
+	golang.org/x/sys v0.0.0-20220731174439-a90be440212d // indirect
 )