From 2c61cd2f46cda6aa12e88afe7a7712e2e41485e3 Mon Sep 17 00:00:00 2001
From: sumi <sumi@local>
Date: Tue, 23 Dec 2025 11:08:12 -0600
Subject: [PATCH] automated snapshot

---
 main.go       | 34 ++++++++++++++++++++++------------
 sierpinski.go |  4 ++++
 sketch.go     |  6 +++---
 3 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/main.go b/main.go
index 837bb67..fa45d13 100644
--- a/main.go
+++ b/main.go
@@ -3,7 +3,7 @@ package main
 import (
 	//	"fmt"
 	"log"
-	"math/rand"
+	//"math/rand"
 	"os"
 	"time"
 
@@ -46,7 +46,7 @@ func main() {
 	t0 := time.Now()
 
 	/*
-	 */
+
 
 	rng := rand.New(rand.NewSource(0))
 	imageField := NewImageField("/home/d/Dropbox/art/passage/data/david.png")
@@ -59,24 +59,34 @@ func main() {
 				field: imageField,
 			},
 		}
+	 */
 
 	sketch := NewSketch(sourceWidth, sourceHeight)
 
 	sierpinskiLayer := &SierpinskiArrow { dirty: true }
 
-	contourLayer := NewContourLayer(&sketch, rng, field)
-	//sketch.CreateLayer("testPattern", &TestPattern{}, int32(sourceWidth), int32(sourceHeight))
-	//sketch.CreateLayer("actors", &contourLayer, int32(sourceWidth), int32(sourceHeight))
-	//sketch.CreateLayer("field", &FieldLayer{field: &field, dirty: true}, int32(sourceWidth), int32(sourceHeight))
-	sketch.CreateLayer("contours", contourLayer)
+	//contourLayer := NewContourLayer(&sketch, rng, field)
+	//sketch.CreateLayer("field", &FieldLayer{field: field, dirty: true})
+	//sketch.CreateLayer("contours", contourLayer)
 	sketch.CreateLayer("sierpinski", sierpinskiLayer)
 
 	ports := MakePorts()
-	ports["sierpinskiArrowAngle"] = Sine {
-		Amp:  120,
-		Bias: 100,
-		Freq: 0.1,
-	}
+	ports["sierpinskiArrowAngle"] =
+		Const {
+			V: 60,
+		}
+
+
+	ports["sierpinskiArrowDepth"] =
+		Const {
+			V: 6,
+		}
+
+	ports["sierpinskiArrowLength"] =
+		Const {
+			V: 10000,
+		}
+
 
 	for !rl.WindowShouldClose() {
 
diff --git a/sierpinski.go b/sierpinski.go
index a951560..366f906 100644
--- a/sierpinski.go
+++ b/sierpinski.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	rl "github.com/gen2brain/raylib-go/raylib"
 )
 
@@ -9,6 +10,8 @@ type SierpinskiArrow struct{
 }
 
 func (s *SierpinskiArrow) Draw(ctx *RenderCtx) {
+	rl.Translatef(float32(ctx.SourceWidth) / 2.0, float32(ctx.SourceHeight) / 2.0, 0)
+	rl.ClearBackground(rl.NewColor(0, 0, 0, 0))
 	sierpinskiArrow(ctx, int(ctx.Ports["sierpinskiArrowDepth"]), ctx.Ports["sierpinskiArrowLength"])
 }
 
@@ -21,6 +24,7 @@ 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 869bf06..2c7aa6c 100644
--- a/sketch.go
+++ b/sketch.go
@@ -70,8 +70,6 @@ func NewSketch(sourceWidth, sourceHeight int32) Sketch {
 
 func (s *Sketch) CreateLayer(name string, layer Layer) {
 	texture := rl.LoadRenderTexture(s.sourceWidth, s.sourceHeight)
-	rl.GenTextureMipmaps(&texture.Texture)
-	rl.SetTextureFilter(texture.Texture, rl.FilterTrilinear)
 	config := NewLayerConfig()
 	layerTools :=
 		LayerTools {
@@ -91,9 +89,11 @@ func (s *Sketch) Draw(ctx *RenderCtx) {
 		layer.Update(ctx)
 		if instance.layer.IsDirty() {
 			rl.BeginTextureMode(instance.texture)
+			rl.PushMatrix()
 			layer.Draw(ctx)
+			rl.PopMatrix()
 			rl.EndTextureMode()
-			rl.GenTextureMipmaps(&instance.texture.Texture)
+			//rl.GenTextureMipmaps(&instance.texture.Texture)
 		}
 	}