geomerative boundary

Author: monkstone

external_library/gem/geomerative/geomerative_boundary_test.rb

@@ -0,0 +1,34 @@
+require 'geomerative'
+load_library :boundary
+
+attr_reader :bounds, :my_rect
+
+def settings
+  size(600, 480, P2D)
+end
+
+def setup
+  sketch_title 'Geomerative Boundary Test'
+  RG.init(self)
+  RG.set_polygonizer(RG.ADAPTATIVE)
+  @bounds = Boundary.create_bounding_rectangle(100, 100, 100, 50)
+end
+
+def draw
+  fill 255
+  stroke 0
+  @my_rect = RShape.create_rectangle(mouseX, mouseY, 10, 10)
+  bounds.draw
+  draw_my_rect
+end
+
+def draw_my_rect
+  if bounds.inside(my_rect)
+    no_stroke
+    fill 255, 0, 0
+  else
+    stroke 0
+    fill 255
+  end
+  my_rect.draw
+end

external_library/gem/geomerative/library/boundary/boundary.rb

@@ -0,0 +1,24 @@
+java_import 'geomerative.RPoint'
+java_import 'geomerative.RShape'
+
+# Rectangle Boundary Class
+class Boundary < RShape
+  def initialize
+    super
+  end
+
+  def self.create_bounding_rectangle(xpos, ypos, width, height)
+    Boundary.new.tap do |rect|
+      rect.add_move_to(xpos, ypos)
+      rect.add_line_to(xpos + width, ypos)
+      rect.add_line_to(xpos + width, ypos + height)
+      rect.add_line_to(xpos, ypos + height)
+      rect.add_line_to(xpos, ypos)
+    end
+  end
+
+  def inside(shp)
+    shp.get_points.each { |pt| return false unless contains(pt) }
+    true
+  end
+end