Added support for passing flags to get_image, aliased Vector#weight/= to Vector#w/=

lib/cyberarm_engine/common.rb

@@ -54,7 +54,7 @@ module CyberarmEngine
       return Gosu::Color.rgba(color.red, color.green, color.blue, alpha)
     end
 
-    def get_asset(path, hash, klass)
+    def get_asset(path, hash, klass, retro = false, tileable = false)
       asset = nil
       hash.detect do |_asset, instance|
         if _asset == path
@@ -64,7 +64,12 @@ module CyberarmEngine
       end
 
       unless asset
-        instance = klass.new(path)
+        instance = nil
+        if klass == Gosu::Image
+          instance = klass.new(path, retro: retro, tileable: tileable)
+        else
+          instance = klass.new(path)
+        end
         hash[path] = instance
         asset = instance
       end
@@ -72,8 +77,8 @@ module CyberarmEngine
       return asset
     end
 
-    def get_image(path)
+    def get_image(path, retro: false, tileable: false)
-      get_asset(path, Engine::IMAGES, Gosu::Image)
+      get_asset(path, Engine::IMAGES, Gosu::Image, retro, tileable)
     end
 
     def get_sample(path)

lib/cyberarm_engine/transform.rb

@@ -7,11 +7,6 @@ module CyberarmEngine
       raise "Transform is wrong size! Got #{@elements.size}, expected 16" if 16 != @elements.size
     end
 
-    def error(pos)
-      p @elements
-      Vector.new(@elements[3], @elements[7]) - pos
-    end
-
     def self.rotate(angle, rotate_around = nil)
       double c = Math.cos(angle).degrees_to_radians
       double s = Math.sin(angle).degrees_to_radians

lib/cyberarm_engine/vector.rb

@@ -40,6 +40,9 @@ module CyberarmEngine
     def weight; @weight; end
     def weight=(n); @weight = n; end
 
+    alias w weight
+    alias w= weight=
+
     def ==(other)
       if other.is_a?(Numeric)
         @x      == other &&