automated snapshot

main.go

@@ -15,21 +15,21 @@ import (
 const (
 	targetWidth  = 1000
 	targetHeight = 1000
-	sourceScale  = 8
+	sourceScale  = 2
 	snapshotsDir = "snapshots"
 )
 
 type TextureCam struct {
-	SourceWidth  int
-	SourceHeight int
+	SourceWidth  int32
+	SourceHeight int32
 	LookAt       rl.Vector2
 	Zoom         float32
 }
 
 func main() {
 
-	sourceWidth := sourceScale * targetWidth
-	sourceHeight := sourceScale * targetHeight
+	sourceWidth := int32(sourceScale * targetWidth)
+	sourceHeight := int32(sourceScale * targetHeight)
 
 	os.MkdirAll(snapshotsDir, 0755)
 	log := log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lshortfile)
@@ -64,7 +64,7 @@ func main() {
 			x: -float32(sourceWidth / 2.0),
 			y: -float32(sourceHeight / 2.0),
 			field: &ScaleField{
-				scale: 5.0,
+				scale: 1.0,
 				field: &imageField,
 			},
 		}
@@ -72,7 +72,7 @@ func main() {
 
 	contourLayer := NewContourLayer(rng, &field, sourceWidth, sourceHeight)
 
-	sketch := NewSketch()
+	sketch := NewSketch(sourceWidth, sourceHeight)
 	//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))
@@ -112,7 +112,9 @@ func main() {
 		sketch.Draw(renderCtx)
 
 		if rl.IsKeyDown(rl.KeySpace) {
-			if _, err := storage.Save(); err != nil {
+			capture := sketch.Capture()
+
+			if _, err := storage.Save(capture); err != nil {
 				log.Printf("Error saving snapshot: %v\n", err)
 			}
 		}
@@ -172,11 +174,11 @@ type ContourLayer struct {
 	field                     Field
 	actors                    []*Actor
 	rng                       *rand.Rand
-	sourceWidth int
-	sourceHeight int
+	sourceWidth int32
+	sourceHeight int32
 }
 
-func NewContourLayer(rng *rand.Rand, field Field, sourceWidth int, sourceHeight int) ContourLayer {
+func NewContourLayer(rng *rand.Rand, field Field, sourceWidth int32, sourceHeight int32) ContourLayer {
 
 	actors := make([]*Actor, 0)
 
@@ -195,8 +197,8 @@ func NewContourLayer(rng *rand.Rand, field Field, sourceWidth int, sourceHeight
 
 func (s *ContourLayer) AddActors(n int) {
 	for range n {
-		x := s.rng.Int() % s.sourceWidth
-		y := s.rng.Int() % s.sourceHeight
+		x := s.rng.Int31() % s.sourceWidth
+		y := s.rng.Int31() % s.sourceHeight
 		newActor :=
 			&Actor {
 				position: rl.Vector2{X: float32(x), Y: float32(y)},