array_2d.rb in ruby-processing-2.4.1

- old
+ new
@@ -1,38 +1,32 @@
-require 'ruby-processing'
-
 #  * Demonstrates the syntax for creating a two-dimensional (2D) array.
 #  * Values in a 2D array are accessed through two index values.  
 #  * 2D arrays are useful for storing images. In this example, each dot 
 #  * is colored in relation to its distance from the center of the image.
 
-class Array2d < Processing::App
-
-  def setup
-    
-    distances = Array.new( width ) { Array.new( height ) } # [width][height]
-	
-    max_distance = dist( width/2, height/2, width, height )
-    
-    width.times do |x|
-    	height.times do |y|
-    		distance = dist( width/2, height/2, x, y )
-    		distances[x][y] = distance / max_distance * 255
-    	end
+def setup
+  size 640, 360
+  distances = Array.new( width ) { Array.new( height ) } # [width][height]
+	stroke_weight 2
+  max_distance = dist( width/2, height/2, width, height )
+  
+  width.times do |x|
+    height.times do |y|
+      distance = dist( width/2, height/2, x, y )
+      distances[x][y] = distance / max_distance * 255
     end
-    
-    background 0
-    
-    x = 0; while x < distances.length
-		y = 0; while y < distances[x].length
-			stroke distances[x][y]
-    		point x, y
-    		y += 2
-    	end
-    	x += 2
-    end
-    
   end
   
+  background 0        
+  x = 0
+  while x < distances.length
+    y = 0 
+    while y < distances[x].length
+      stroke distances[x][y]
+      point x, y
+      y += 2
+    end
+    x += 2
+  end
 end
 
-Array2d.new :title => "Array 2d", :width => 200, :height => 200
\ No newline at end of file
+