automated snapshot

field.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"math"
 	rl "github.com/gen2brain/raylib-go/raylib"
 	"github.com/ojrac/opensimplex-go"
 )
@@ -123,3 +124,9 @@ func (fl *FieldLayer) IsDirty() bool {
 	return fl.dirty
 }
 
+
+type SinXYField struct {}
+
+func (f *SinXYField) Get(x, y float32) float32 {
+	return float32(math.Sin(float64(x * y)))
+}

main.go

@@ -10,7 +10,7 @@ import (
 	"time"
 
 	g "github.com/d2fn/sumi/internal/graphics"
-	"github.com/ojrac/opensimplex-go"
+	//"github.com/ojrac/opensimplex-go"
 
 	gui "github.com/gen2brain/raylib-go/raygui"
 	rl "github.com/gen2brain/raylib-go/raylib"
@@ -58,7 +58,8 @@ func main() {
 
 	rng := rand.New(rand.NewSource(0))
 	//imageField := NewImageField("/home/d/Dropbox/art/data/david.png")
-	noiseField := &SimplexNoiseField { Noise: opensimplex.New32(0) }
+	//noiseField := &SimplexNoiseField { Noise: opensimplex.New32(0) }
+	sinXYField := &SinXYField { }
 	//imageField := NewImageField("/home/d/Dropbox/art/data/ramstatue.png")
 	//imageField := NewImageField("/home/d/Dropbox/art/data/bassrockastro/Photo Dec 24 2025, 5 58 23 PM.jpg")
 	//imageField := NewImageField("/home/d/Dropbox/art/data/bassrockastro/andromeda.jpg")
@@ -68,10 +69,11 @@ func main() {
 			x: -float32(sourceWidth / 2.0),
 			y: -float32(sourceHeight / 2.0),
 			field: &ScaleField{
-				scale: 100.0,
-				field: noiseField,
+				scale: 500.0,
+				field: sinXYField,
 			},
 		}
+
 	sierpinskiLayer := &SierpinskiArrow { dirty: true }
 
 	sketch := NewSketch(sourceWidth, sourceHeight)