From 178a62eb3b0244f975ec24eb28520d23349e3dfc Mon Sep 17 00:00:00 2001
From: realtradam <mr.malczewski@gmail.com>
Date: Wed, 20 Jan 2021 22:25:54 -0500
Subject: added camera zoom

---
 camera.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'camera.rb')

diff --git a/camera.rb b/camera.rb
index 7e93f7e..be1e3f0 100644
--- a/camera.rb
+++ b/camera.rb
@@ -1,5 +1,23 @@
 
 class Camera
+
+  def self.zoom_level
+    @zoom_level ||= 1
+  end
+
+  def self.zoom_by zoom
+    objects.each do |object|
+      object.size *= zoom
+      object.x *= zoom
+      object.y *= zoom
+    end
+    self.move_by(Window.width/2 * (zoom-1),Window.height/2 * (zoom-1))
+    self.zoom_level *= zoom
+  end
+
+  def self.zoom_to zoom
+    self.zoom_by(zoom/self.zoom_level)
+  end
   
   def self.elasticity
     @elasticity ||= 1
@@ -61,5 +79,9 @@ class Camera
     @camera_position = array
   end
 
+  def self.zoom_level= value
+    @zoom_level = value
+  end
+
   
 end
-- 
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