Contents

require 'actor'
require 'actor_view'

require "enumerator"


# SvgActor knows how to build himself based on an svg document based on the :name 
# passed in being the group name in the doc (layer).
class SvgActor < Actor
  
  attr_accessor :segments, :type
  def setup
    @name = @opts[:name]
    @svg_doc = @opts[:svg_doc]
    
    my_layer = @svg_doc.find_group_by_label(@name.to_s)
    build_from_vertices my_layer.path.vertices
  end
  
  def build_from_vertices(vertices)
    
    moment_of_inertia,mass = Float::INFINITY,Float::INFINITY
    terrain_body = CP::Body.new(mass,moment_of_inertia)
    elasticity = 0
    friction = 0.7
    thickness = 6
    @segments = []
    vertices.each_cons(2) do |a,b|
      seg = CP::Shape::Segment.new(terrain_body, a,b, thickness)
      seg.collision_type = @name
      seg.e = elasticity
      seg.u = friction
      seg.group = :terrain
      @segments << [a,b]
      @stage.space.add_static_shape(seg)
    end
  end
end

class SvgActorView < ActorView
  def draw(target,x_off,y_off)
    @actor.segments.each do |seg|
      p1 = seg[0]
      p2 = seg[1]
      target.draw_line_s [p1.x+x_off,p1.y+y_off], [p2.x+x_off,p2.y+y_off], [25,255,25,255], 6
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
gamebox-0.1.1	lib/gamebox/actors/svg_actor.rb
gamebox-0.1.0	lib/gamebox/actors/svg_actor.rb
gamebox-0.0.9	lib/gamebox/actors/svg_actor.rb
gamebox-0.0.8	lib/gamebox/actors/svg_actor.rb
gamebox-0.0.7	lib/gamebox/actors/svg_actor.rb