From 5cbb9aee145d1380f140d1696b87ea276a9be76f Mon Sep 17 00:00:00 2001
From: sumi <sumi@local>
Date: Tue, 23 Dec 2025 11:43:38 -0600
Subject: [PATCH] automated snapshot

---
 main.go       | 25 ++++++++++++-------------
 sierpinski.go |  2 --
 sketch.go     | 29 +++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+), 15 deletions(-)

diff --git a/main.go b/main.go
index fa45d13..3bd0831 100644
--- a/main.go
+++ b/main.go
@@ -3,7 +3,7 @@ package main
 import (
 	//	"fmt"
 	"log"
-	//"math/rand"
+	"math/rand"
 	"os"
 	"time"
 
@@ -38,16 +38,12 @@ func main() {
 	// layout_name: controls initialization
 	var ControlScrollPaneScrollView rl.Rectangle
 	var ControlScrollPaneScrollOffset rl.Vector2
-	//var ControlScrollPaneBoundsOffset rl.Vector2
 
 	BlendModeToggleGroupActive := int32(0)
 
 	rl.SetTargetFPS(60)
 	t0 := time.Now()
 
-	/*
-
-
 	rng := rand.New(rand.NewSource(0))
 	imageField := NewImageField("/home/d/Dropbox/art/passage/data/david.png")
 	field :=
@@ -59,21 +55,25 @@ func main() {
 				field: imageField,
 			},
 		}
-	 */
 
 	sketch := NewSketch(sourceWidth, sourceHeight)
 
 	sierpinskiLayer := &SierpinskiArrow { dirty: true }
 
-	//contourLayer := NewContourLayer(&sketch, rng, field)
-	//sketch.CreateLayer("field", &FieldLayer{field: field, dirty: true})
-	//sketch.CreateLayer("contours", contourLayer)
+	imageLayer := NewImageLayer("/home/d/Dropbox/photos/Events/2025/Aurora/Photo Nov 11 2025, 9 52 03 PM.jpg")
+
+	contourLayer := NewContourLayer(&sketch, rng, field)
+	sketch.CreateLayer("field", &FieldLayer{field: field, dirty: true})
+	sketch.CreateLayer("contours", contourLayer)
 	sketch.CreateLayer("sierpinski", sierpinskiLayer)
+	sketch.CreateLayer("aurora", imageLayer)
 
 	ports := MakePorts()
 	ports["sierpinskiArrowAngle"] =
-		Const {
-			V: 60,
+		Sine {
+			Amp: 5,
+			Freq: 0.1,
+			Bias: 60,
 		}
 
 
@@ -84,7 +84,7 @@ func main() {
 
 	ports["sierpinskiArrowLength"] =
 		Const {
-			V: 10000,
+			V: 8000,
 		}
 
 
@@ -119,7 +119,6 @@ func main() {
 
 		sketch.Draw(renderCtx)
 
-		//gui.LoadStyle("styles/dark.rgs")
 		gui.SetStyle(gui.DEFAULT, gui.BACKGROUND_COLOR, 0x181818FF)
 		gui.SetStyle(gui.DEFAULT, gui.BASE_COLOR_NORMAL, 0x2A2A2AFF)
 		gui.SetStyle(gui.DEFAULT, gui.BASE_COLOR_FOCUSED, 0x3A3A3AFF)
diff --git a/sierpinski.go b/sierpinski.go
index 366f906..d0c2a29 100644
--- a/sierpinski.go
+++ b/sierpinski.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	rl "github.com/gen2brain/raylib-go/raylib"
 )
 
@@ -24,7 +23,6 @@ func (s *SierpinskiArrow) IsDirty() bool {
 }
 
 func sierpinskiArrow(ctx *RenderCtx, order int, length float64) {
-	fmt.Printf("drawing SierpinskiArrow, order = %d, length = %.2f\n", order, length)
 	if order == 0 {
 		curve(ctx, order, length, ctx.Ports["sierpinskiArrowAngle"])
 	} else {
diff --git a/sketch.go b/sketch.go
index 2c7aa6c..fe00d00 100644
--- a/sketch.go
+++ b/sketch.go
@@ -265,6 +265,35 @@ type Layer interface {
 	IsDirty() bool
 }
 
+
+type ImageLayer struct {
+	texture rl.Texture2D
+	dirty bool
+}
+
+func NewImageLayer(path string) *ImageLayer {
+	image := rl.LoadImage(path)
+	tex := rl.LoadTextureFromImage(image)
+	return &ImageLayer {
+		texture: tex,
+		dirty: true,
+	}
+}
+
+func (il *ImageLayer) Update(ctx *RenderCtx) {
+	;
+}
+
+func (il *ImageLayer) Draw(ctx *RenderCtx) {
+	rl.Translatef(float32(ctx.SourceWidth) / 2.0 - float32(il.texture.Width) / 2.0, float32(ctx.SourceHeight) / 2.0 - float32(il.texture.Height) / 2.0, 0)
+	rl.DrawTexture(il.texture, 0, 0, rl.White)
+}
+
+func (il *ImageLayer) IsDirty() bool {
+	return il.dirty
+}
+
+
 type TestPattern struct{
 	dirty bool
 }