progress using my own graphics interface

sierpinski.go

@@ -4,12 +4,12 @@ import (
 	rl "github.com/gen2brain/raylib-go/raylib"
 )
 
-type SierpinskiArrow struct{
+type SierpinskiArrow struct {
 	dirty bool
 }
 
 func (s *SierpinskiArrow) Draw(ctx *RenderCtx) {
-	rl.Translatef(float32(ctx.SourceWidth) / 2.0, float32(ctx.SourceHeight) / 2.0, 0)
+	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"])
 }
@@ -45,5 +45,3 @@ func curve(ctx *RenderCtx, order int, length float64, angle float64) {
 		curve(ctx, order-1, length/2, -angle)
 	}
 }
-
-