automated snapshot

sierpinski.go

@@ -4,12 +4,22 @@ import (
 	rl "github.com/gen2brain/raylib-go/raylib"
 )
 
-type SierpinskiArrow struct{}
+type SierpinskiArrow struct{
+	dirty bool
+}
 
 func (s *SierpinskiArrow) Draw(ctx *RenderCtx) {
 	sierpinskiArrow(ctx, int(ctx.Ports["sierpinskiArrowDepth"]), ctx.Ports["sierpinskiArrowLength"])
 }
 
+func (s *SierpinskiArrow) Update(ctx *RenderCtx) {
+	s.dirty = true
+}
+
+func (s *SierpinskiArrow) IsDirty() bool {
+	return s.dirty
+}
+
 func sierpinskiArrow(ctx *RenderCtx, order int, length float64) {
 	if order == 0 {
 		curve(ctx, order, length, ctx.Ports["sierpinskiArrowAngle"])
@@ -22,7 +32,8 @@ func sierpinskiArrow(ctx *RenderCtx, order int, length float64) {
 func curve(ctx *RenderCtx, order int, length float64, angle float64) {
 	if order == 0 {
 		len := int32(length)
-		rl.DrawLine(0, 0, len, 0, rl.Black)
+		rl.SetLineWidth(4)
+		rl.DrawLine(0, 0, len, 0, rl.RayWhite)
 		rl.Translatef(float32(length), 0, 0)
 	} else {
 		curve(ctx, order-1, length/2, -angle)
@@ -33,3 +44,4 @@ func curve(ctx *RenderCtx, order int, length float64, angle float64) {
 	}
 }
 
+