tap in processing

Author: monkstone

external_library/java/PixelFlow/geometry_grid.rb

@@ -100,8 +100,7 @@ def display_mesh(ifs)
 
 def create_gizmo(s)
   stroke_weight(1)
-  shp_gizmo = create_shape
-  shp_gizmo.tap do |shp|
+  create_shape.tap do |shp|
     shp.begin_shape(LINES)
     shp.stroke(255, 0, 0)
     shp.vertex(0, 0, 0)

external_library/java/PixelFlow/sampling_halton.rb

@@ -38,21 +38,24 @@ def add_shape(position, scale)
   shp_samples.add_child(shp_point)
 end
 
-def display_gizmo(s)
-  if(shp_gizmo.nil?)
-    stroke_weight(1)
-    @shp_gizmo = create_shape
-    shp_gizmo.begin_shape(LINES)
-    shp_gizmo.stroke(255,0,0)
-    shp_gizmo.vertex(0,0,0)
-    shp_gizmo.vertex(s,0,0)
-    shp_gizmo.stroke(0,255,0)
-    shp_gizmo.vertex(0,0,0)
-    shp_gizmo.vertex(0,s,0)
-    shp_gizmo.stroke(0,0,255)
-    shp_gizmo.vertex(0,0,0)
-    shp_gizmo.vertex(0,0,s)
-    shp_gizmo.end_shape
+def create_gizmo(s)
+  stroke_weight(1)
+  create_shape.tap do |shp|
+    shp.begin_shape(LINES)
+    shp.stroke(255, 0, 0)
+    shp.vertex(0, 0, 0)
+    shp.vertex(s, 0, 0)
+    shp.stroke(0, 255, 0)
+    shp.vertex(0, 0, 0)
+    shp.vertex(0, s, 0)
+    shp.stroke(0, 0, 255)
+    shp.vertex(0, 0, 0)
+    shp.vertex(0, 0, s)
+    shp.end_shape
   end
+end
+
+def display_gizmo(s)
+  @shp_gizmo = create_gizmo(s) unless shp_gizmo
   shape(shp_gizmo)
 end

external_library/java/PixelFlow/sampling_poisson3d.rb

@@ -113,23 +113,26 @@ def add_shape(sample)
   # shp_samples_spheres.addChild(shp_sphere_normals)
 end
 
-def display_gizmo(s)
-  if shp_gizmo.nil?
-    stroke_weight(1)
-    @shp_gizmo = create_shape
-    shp_gizmo.begin_shape(LINES)
-    shp_gizmo.stroke(255, 0, 0)
-    shp_gizmo.vertex(0, 0, 0)
-    shp_gizmo.vertex(s, 0, 0)
-    shp_gizmo.stroke(0, 255, 0)
-    shp_gizmo.vertex(0, 0, 0)
-    shp_gizmo.vertex(0, s, 0)
-    shp_gizmo.stroke(0, 0, 255)
-    shp_gizmo.vertex(0, 0, 0)
-    shp_gizmo.vertex(0, 0, s)
-    shp_gizmo.end_shape
+def create_gizmo(s)
+  stroke_weight(1)
+  create_shape.tap do |shp|
+    shp.begin_shape(LINES)
+    shp.stroke(255, 0, 0)
+    shp.vertex(0, 0, 0)
+    shp.vertex(s, 0, 0)
+    shp.stroke(0, 255, 0)
+    shp.vertex(0, 0, 0)
+    shp.vertex(0, s, 0)
+    shp.stroke(0, 0, 255)
+    shp.vertex(0, 0, 0)
+    shp.vertex(0, 0, s)
+    shp.end_shape
   end
-  shape shp_gizmo
+end
+
+def display_gizmo(s)
+  @shp_gizmo = create_gizmo(s) unless shp_gizmo
+  shape(shp_gizmo)
 end
 
 def key_released

processing_app/topics/lsystems/pentagonal.rb

@@ -16,7 +16,7 @@ def initialize
     @axiom = 'F-F-F-F-F'
     @grammar = Grammar.new(axiom, 'F' => 'F+F+F-F-F-F+F+F')
     @draw_length = 400
-    @theta = 0.0
+    @theta = 0
     @xpos = 0.0
     @ypos = 0.0
   end
@@ -100,4 +100,3 @@ def key_pressed
 def settings
   size 800, 800, P2D
 end
-