hype swarm example

Author: monkstone

external_library/java/hype/hype_swarm.rb

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+# encoding: utf-8
+load_library :hype
+include_package 'hype'
+# Access through Hype namespace
+module Hype
+  java_import 'hype.extended.behavior.HSwarm'
+  java_import 'hype.extended.behavior.HTimer'
+  java_import 'hype.extended.behavior.HTween'
+  java_import 'hype.extended.colorist.HColorPool'
+  java_import 'hype.interfaces.HLocatable'
+end
+
+PALETTE = %w(#FFFFFF #F7F7F7 #ECECEC #333333 #0095a8 #00616f #FF3300 #FF6600).freeze
+PALETTE2 = %w(#242424 #111111 #ECECEC).freeze
+include Hype
+
+attr_reader :swarm, :canvas, :colors, :pool, :tween, :count
+
+def settings
+  size(640, 640)
+end
+
+def setup
+  sketch_title 'Hype Swarm'
+  H.init(self)
+  @count = 0
+  @colors = HColorPool.new(web_to_color_array(PALETTE))
+  colors2 = web_to_color_array(PALETTE2)
+  H.background(colors2[0])
+  H.add(@canvas = HCanvas.new.auto_clear(false).fade(40))
+  @swarm = HSwarm.new
+                 .speed(4)
+                 .turn_ease(0.1)
+                 .twitch(15)
+                 .idle_goal(width / 2, height / 2)
+  @pool = HDrawablePool.new(10)
+  pool.auto_add_to_stage
+      .add(HRect.new(10).rounding(5))
+      .on_create do |obj|
+    obj.stroke_weight(2)
+       .stroke(colors2[1])
+       .fill(colors2[2])
+       .loc(rand(100..540), rand(100..540))
+       .anchor_at(H::CENTER)
+       .rotation(45)
+    @tween = HTween.new
+                   .target(obj).property(H::LOCATION)
+                   .start(obj.x, obj.y)
+                   .end(rand(0..width), rand(0..height))
+                   .ease(0.01)
+                   .spring(0.9)
+    on_anim = proc do
+      tween.start(obj.x, obj.y)
+           .end(rand(100..540), rand(100..540))
+           .ease(0.01)
+           .spring(0.9)
+           .register
+    end
+    HTimer.new.interval(2_000).callback(&on_anim)
+  end
+      .request_all
+end
+
+def draw
+  if count < 100
+    swarm.add_target(
+      canvas.add(
+        HRect.new(8, 2)
+             .rounding(4)
+             .anchor_at(H::CENTER)
+             .no_stroke
+             .fill(colors.get_color)
+      )
+    )
+    @count += 1
+  end
+  H.draw_stage
+  begin
+    it = swarm.goals.iterator
+    it.remove
+    it.next
+  end unless swarm.goals.iterator.has_next
+  pool.each do |d|
+    swarm.add_goal(d.x, d.y)
+  end
+end