lib/explosion.rb in missile-command-ruby-0.0.7 vs lib/explosion.rb in missile-command-ruby-0.0.8

@@ -1,35 +1,35 @@
 class Explosion < Actor
-  use InterpolationSystem
+  use_systems :interpolation
   collides_as :explosion
 
   def initialize(opts={})
     super
     set_image('explosion.png', opts)
-    @initial_radius = 10.0
-    @end_radius = 100.0
-    @explosion_time = 3.0
-    @fade_after = 0.5
+    @initial_radius = opts[:initial_radius] || 10.0
+    @final_radius = opts[:final_radius] || 100.0
+    @duration = opts[:duration] || 3.0
+    @fade_after = opts[:fade_after] || 2.5
 
-    interpolate_alpha(:init => 255, :end => 0, :duration => @explosion_time - @fade_after, :start_in => @fade_after)
+    interpolate_alpha(:init => 255, :end => 0, :duration => @duration - @fade_after, :start_in => @fade_after)
     interpolate_saturation(:init => 0.0, :end => 1.0, :duration => 0.1, :loop => true)
     # Don't know why gosu changes my hue when only transforming
     # saturation so we keep it fixed, or give it a little space for
     # change
     interpolate_hue(:init => @color.hue-50, :end => @color.hue+50, :loop => true, :duration => 0.5)
 
     self.radius = @initial_radius
     # Expand or shrink the explosion
-    interpolate(self, :radius, :init => @initial_radius, :end => @end_radius, :duration => @explosion_time)
+    interpolate_my( :radius, :init => @initial_radius, :end => @final_radius, :duration => @duration )
 
-    @z = 7
+    @z = ZOrder::Explosion
     @elapsed_time = 0.0
   end
 
   def update
     # Note to self: It's important to call super!
     super
-    if @elapsed_time > @explosion_time
+    if @elapsed_time > @duration
       die
     end
     @elapsed_time += dt
   end