boolean shapes

Author: monkstone

external_library/gem/toxiclibs/boolean_shapes.rb

@@ -0,0 +1,58 @@
+#!/usr/bin/env jruby
+# frozen_string_literal: true
+require 'propane'
+require 'toxiclibs'
+
+# The Sketch Class
+class BooleanShapes < Propane::App
+  load_library :control_panel
+  attr_reader :gfx, :bool, :panel, :type, :hide, :polies
+  include Toxi
+
+  TYPE = [BooleanShapeBuilder::Type::UNION,
+          BooleanShapeBuilder::Type::XOR].freeze
+  KEY = %w(union xor).freeze
+
+  def setup
+    sketch_title 'Boolean Shapes'
+    @gfx = Gfx::ToxiclibsSupport.new(self)
+    @bool = KEY.zip(TYPE).to_h
+    control_panel do |c|
+      c.title = 'Select Type'
+      c.menu :type, KEY, 'union'
+      @panel = c
+    end
+    @hide = false
+  end
+
+  def draw
+    unless hide
+      @hide = true
+      panel.set_visible(hide)
+    end
+    background(160)
+    builder = BooleanShapeBuilder.new(bool[type])
+    phi = frame_count * 0.01
+    builder.add_shape(Circle.new(mouse_x, mouse_y, 50))
+    builder.add_shape(Ellipse.new(150, 130 + sin(phi) * 50, 120, 60))
+    builder.add_shape(Rect.new(200 + sin(phi * 13 / 8) * 50, 180, 100, 100))
+    builder.add_shape(
+      Triangle2D.create_equilateral_from(
+        TVec2D.new(50 + sin(phi * 15 / 13) * 50, 200), TVec2D.new(300, 200)
+      )
+    )
+    builder.add_shape(
+      Circle.new(100, 300, 50 + 30 * sin(phi * 21 / 15)).toPolygon2D(6)
+    )
+    fill(125)
+    stroke(255, 0, 0)
+    @polies = builder.compute_shapes
+    polies.each { |p| gfx.polygon2D(p) }
+  end
+
+  def settings
+    size(400, 400)
+  end
+end
+
+BooleanShapes.new