fix povmesh sketch

Author: monkstone

external_library/gem/toxiclibs/povmesh/data/mask.jpg

@@ -1,71 +1,78 @@
+#!/usr/bin/env jruby
+require 'propane'
 require 'toxiclibs'
+require 'arcball'
 
 # A 3D Tentacle by Nikolaus Gradwohl http://www.local-guru.net
 # Adapted for JRubyArt and mesh to PShape, and mesh2 export by Martin Prout
+class Tentacle < Propane::App
 
-attr_reader :mesh, :gfx, :tentacle, :tex
+  attr_reader :mesh, :gfx, :tentacle, :tex
 
-def settings
-  size(500, 500, P3D)
-end
-
-def setup
-  sketch_title 'Tentacle'
-  @tex = load_image(data_path('mask.jpg'))
-  ArcBall.init(self)
-  @gfx = Gfx::MeshToVBO.new(self)
-  volume = VolumetricSpaceArray.new(TVec3D.new(100, 200, 100), 100, 100, 100)
-  surface = ArrayIsoSurface.new(volume)
-  @mesh = TriangleMesh.new
-  brush = RoundBrush.new(volume, 10)
-  20.times do |i|
-    brush.set_size(i * 1.2 + 6)
-    x = cos(i * TWO_PI / 20) * 10
-    y = sin(i * TWO_PI / 20) * 10
-    brush.draw_at_absolute_pos(TVec3D.new(x, -25 + i * 7, y), 1)
+  def settings
+    size(500, 500, P3D)
   end
-  (4..20).step(4) do |i|
-    brush.set_size(i / 1.5 + 4)
-    x = cos(i * TWO_PI / 20) * (i * 1.2 + 16)
-    y = sin(i * TWO_PI / 20) * (i * 1.2 + 16)
-    brush.draw_at_absolute_pos(TVec3D.new(x, -25 + i * 7, y), 1)
-    brush.set_size(i / 2 + 2)
-    x2 = cos(i * TWO_PI / 20) * (i * 1.2 + 18)
-    y2 = sin(i * TWO_PI / 20) * (i * 1.2 + 18)
-    brush.draw_at_absolute_pos(TVec3D.new(x2, -25 + i * 7, y2), -1.4)
+
+  def setup
+    sketch_title 'Tentacle'
+    @tex = load_image(data_path('mask.jpg'))
+    Processing::ArcBall.init(self)
+    @gfx = Gfx::MeshToVBO.new(self)
+    volume = VolumetricSpaceArray.new(TVec3D.new(100, 200, 100), 100, 100, 100)
+    surface = ArrayIsoSurface.new(volume)
+    @mesh = TriangleMesh.new
+    brush = RoundBrush.new(volume, 10)
+    20.times do |i|
+      brush.set_size(i * 1.2 + 6)
+      x = cos(i * TWO_PI / 20) * 10
+      y = sin(i * TWO_PI / 20) * 10
+      brush.draw_at_absolute_pos(TVec3D.new(x, -25 + i * 7, y), 1)
+    end
+    (4..20).step(4) do |i|
+      brush.set_size(i / 1.5 + 4)
+      x = cos(i * TWO_PI / 20) * (i * 1.2 + 16)
+      y = sin(i * TWO_PI / 20) * (i * 1.2 + 16)
+      brush.draw_at_absolute_pos(TVec3D.new(x, -25 + i * 7, y), 1)
+      brush.set_size(i / 2 + 2)
+      x2 = cos(i * TWO_PI / 20) * (i * 1.2 + 18)
+      y2 = sin(i * TWO_PI / 20) * (i * 1.2 + 18)
+      brush.draw_at_absolute_pos(TVec3D.new(x2, -25 + i * 7, y2), -1.4)
+    end
+    volume.close_sides
+    surface.reset
+    surface.compute_surface_mesh(mesh, 0.5)
+    no_stroke
+    @tentacle = gfx.mesh_to_textured_shape(mesh, tex)
   end
-  volume.close_sides
-  surface.reset
-  surface.compute_surface_mesh(mesh, 0.5)
-  no_stroke
-  @tentacle = gfx.mesh_to_textured_shape(mesh, tex)
-end
 
-def draw
-  background(150)
-  define_lights
-  shape(tentacle)
-end
+  def draw
+    background(150)
+    define_lights
+    shape(tentacle)
+  end
 
-def define_lights
-  lights
-  ambient_light(40, 40, 40)
-  directional_light(10, 30, 40, 1, 1, 0)
-  directional_light(10, 30, 40, 1, 1, -1)
-end
+  def define_lights
+    lights
+    ambient_light(40, 40, 40)
+    directional_light(10, 30, 40, 1, 1, 0)
+    directional_light(10, 30, 40, 1, 1, -1)
+  end
 
 
-def key_pressed
-  case key
-  when 'p', 'P'
-    fileID = 'Tentacle'
-    pm = Gfx::POVMesh.new(self)
-    pm.begin_save(java.io.File.new(fileID + '.inc'))
-    pm.set_texture(Gfx::Textures::RED) # red with Phong texture
-    pm.saveAsPOV(mesh, true)
-    pm.end_save
-    exit
-  when 's', 'S'
-    save_frame('Tentacle.png')
+  def key_pressed
+    case key
+    when 'p', 'P'
+      fileID = 'Tentacle'
+      pm = Gfx::POVMesh.new(self)
+      pm.begin_save(java.io.File.new(fileID + '.inc'))
+      pm.set_texture(Gfx::Textures::RED) # red with Phong texture
+      pm.saveAsPOV(mesh, true)
+      pm.end_save
+      exit
+    when 's', 'S'
+      save_frame('Tentacle.png')
+    end
   end
 end
+
+Tentacle.new