refactoring progress

sierpinski.go

@@ -8,13 +8,13 @@ type SierpinskiArrow struct {
 	dirty bool
 }
 
-func (s *SierpinskiArrow) Draw(ctx *RenderCtx) {
-	rl.Translatef(float32(ctx.SourceWidth)/2.0, float32(ctx.SourceHeight)/2.0, 0)
+func (s *SierpinskiArrow) Draw(env *Env) {
+	rl.Translatef(float32(env.GetGraphicsWidth())/2.0, float32(env.GetGraphicsHeight())/2.0, 0)
 	rl.ClearBackground(rl.NewColor(0, 0, 0, 0))
-	sierpinskiArrow(ctx, int(ctx.Ports["sierpinskiArrowDepth"]), ctx.Ports["sierpinskiArrowLength"])
+	sierpinskiArrow(env, int(env.Ports["sierpinskiArrowDepth"]), env.Ports["sierpinskiArrowLength"])
 }
 
-func (s *SierpinskiArrow) Update(ctx *RenderCtx) {
+func (s *SierpinskiArrow) Update(_ *Env) {
 	s.dirty = true
 }
 
@@ -22,26 +22,26 @@ func (s *SierpinskiArrow) IsDirty() bool {
 	return s.dirty
 }
 
-func sierpinskiArrow(ctx *RenderCtx, order int, length float64) {
+func sierpinskiArrow(env *Env, order int, length float64) {
 	if order == 0 {
-		curve(ctx, order, length, ctx.Ports["sierpinskiArrowAngle"])
+		curve(env, order, length, env.Ports["sierpinskiArrowAngle"])
 	} else {
-		rl.Rotatef(float32(ctx.Ports["sierpinskiArrowAngle"]), 0, 0, 1)
-		curve(ctx, order, length, -ctx.Ports["sierpinskiArrowAngle"])
+		rl.Rotatef(float32(env.Ports["sierpinskiArrowAngle"]), 0, 0, 1)
+		curve(env, order, length, -env.Ports["sierpinskiArrowAngle"])
 	}
 }
 
-func curve(ctx *RenderCtx, order int, length float64, angle float64) {
+func curve(env *Env, order int, length float64, angle float64) {
 	if order == 0 {
 		len := int32(length)
 		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)
+		curve(env, order-1, length/2, -angle)
 		rl.Rotatef(float32(angle), 0, 0, 1)
-		curve(ctx, order-1, length/2, angle)
+		curve(env, order-1, length/2, angle)
 		rl.Rotatef(float32(angle), 0, 0, 1)
-		curve(ctx, order-1, length/2, -angle)
+		curve(env, order-1, length/2, -angle)
 	}
 }