brick_tower.rb in ruby-processing-1.0.6

- old
+ new

@@ -1,60 +1,55 @@
-require 'ruby-processing'
-
 # Original by Ira Greenberg
 
 # 3D castle tower constructed out of individual bricks.
 # Uses the PVecor and Cube classes.
  
-class BrickTower < Processing::App
+def setup
+  @bricks_per_layer = 16
+  @brick_layers = 18
+  @brick_width, @brick_height, @brick_depth = 60, 25, 25
+  @radius = 175.0
+  @angle = 0
+  size 640, 360, P3D
+  @brick = Cubeish.new(@brick_width, @brick_height, @brick_depth)
+end
 
-  def setup
-    @bricks_per_layer = 16
-    @brick_layers = 18
-    @brick_width, @brick_height, @brick_depth = 60, 25, 25
-    @radius = 175.0
-    @angle = 0
-    render_mode P3D
-    @brick = Cubeish.new(@brick_width, @brick_height, @brick_depth)
-  end
-  
-  def draw
-    background 0
-    @temp_x, @temp_y, @temp_z = 0, 0, 0
-    fill 182, 62, 29
-    no_stroke
-    lights
-    translate(width/2.0, height*1.2, -380)                  # move viewpoint into position
-    rotate_x(radians(-45))                                  # tip tower to see inside
-    rotate_y(frame_count * PI/600)                          # slowly rotate tower
-    @brick_layers.times {|i| draw_layer(i) }
-  end
-  
-  def draw_layer(layer_num)
-    @layer_num = layer_num
-    @temp_y -= @brick_height                                # increment rows                 
-    @angle = 360.0 / @bricks_per_layer * @layer_num / 2.0   # alternate brick seams
-    @bricks_per_layer.times {|i| draw_bricks(i) }
-  end
-  
-  def draw_bricks(brick_num)
-    @brick_num = brick_num
-    @temp_z = cos(radians(@angle)) * @radius
-    @temp_x = sin(radians(@angle)) * @radius
-    push_matrix
-    translate @temp_x, @temp_y, @temp_z
-    rotate_y(radians(@angle))
-    top_layer = @layer_num == @brick_layers - 1
-    even_brick = @brick_num % 2 == 0
-    @brick.create unless top_layer                          # main tower
-    @brick.create if top_layer && even_brick                # add crenelation
-    pop_matrix
-    @angle += 360.0 / @bricks_per_layer
-  end
+def draw
+  background 0
+  @temp_x, @temp_y, @temp_z = 0, 0, 0
+  fill 182, 62, 29
+  no_stroke
+  lights
+  translate(width/2.0, height*1.2, -380)                  # move viewpoint into position
+  rotate_x(radians(-45))                                  # tip tower to see inside
+  rotate_y(frame_count * PI/600)                          # slowly rotate tower
+  @brick_layers.times {|i| draw_layer(i) }
 end
 
+def draw_layer(layer_num)
+  @layer_num = layer_num
+  @temp_y -= @brick_height                                # increment rows                 
+  @angle = 360.0 / @bricks_per_layer * @layer_num / 2.0   # alternate brick seams
+  @bricks_per_layer.times {|i| draw_bricks(i) }
+end
 
+def draw_bricks(brick_num)
+  @brick_num = brick_num
+  @temp_z = cos(radians(@angle)) * @radius
+  @temp_x = sin(radians(@angle)) * @radius
+  push_matrix
+  translate @temp_x, @temp_y, @temp_z
+  rotate_y(radians(@angle))
+  top_layer = @layer_num == @brick_layers - 1
+  even_brick = @brick_num % 2 == 0
+  @brick.create unless top_layer                          # main tower
+  @brick.create if top_layer && even_brick                # add crenelation
+  pop_matrix
+  @angle += 360.0 / @bricks_per_layer
+end
+
+
 # The Cubeish class works a little different than the cube in the
 # Processing example. SIDES tells you where the negative numbers go.
 # We dynamically create each of the PVectors by passing in the
 # appropriate signs.
 class Cubeish
@@ -73,22 +68,19 @@
     @w, @h, @d = width, height, depth
     
     SIDES.each do |side, signs|
       @vertices[side] = signs.map do |s|
         s = s.split('').map {|el| SIGNS[el] }
-        Processing::PVector.new(s[0]*@w/2, s[1]*@h/2, s[2]*@d/2)
+        App::PVector.new(s[0]*@w/2, s[1]*@h/2, s[2]*@d/2)
       end
     end
   end
   
   def create
     @vertices.each do |name, vectors|
-      $app.begin_shape BrickTower::QUADS
-      vectors.each {|v| $app.vertex(v.x, v.y, v.z) }
-      $app.end_shape
+      begin_shape App::QUADS
+      vectors.each {|v| vertex(v.x, v.y, v.z) }
+      end_shape
     end
   end
   
-end
-
-
-BrickTower.new :title => "Brick Tower", :width => 640, :height => 360
+end
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