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-rw-r--r--lib/camera/wrappers/quad_wrapper.rb108
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diff --git a/lib/camera/wrappers/quad_wrapper.rb b/lib/camera/wrappers/quad_wrapper.rb
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+# frozen_string_literal: true
+
+module Camera
+# Wraps existing variables as well as adding new methods
+# so that it can be handled by the Camera Module
+ module QuadWrapped
+ # Recalculates real coordiantes
+ # Use after changing variables
+ def redraw
+ angle = Camera.angle * (Math::PI / 180)
+ half_width = Window.width * 0.5
+ half_height = Window.height * 0.5
+ @x1 = (((x + x1 - Camera.x) * Math.cos(angle)) - ((y + y1 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width
+ @y1 = (((x + x1 - Camera.x) * Math.sin(angle)) + ((y + y1 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height
+ @x2 = (((x + x2 - Camera.x) * Math.cos(angle)) - ((y + y2 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width
+ @y2 = (((x + x2 - Camera.x) * Math.sin(angle)) + ((y + y2 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height
+ @x3 = (((x + x3 - Camera.x) * Math.cos(angle)) - ((y + y3 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width
+ @y3 = (((x + x3 - Camera.x) * Math.sin(angle)) + ((y + y3 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height
+ @x4 = (((x + x4 - Camera.x) * Math.cos(angle)) - ((y + y4 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width
+ @y4 = (((x + x4 - Camera.x) * Math.sin(angle)) + ((y + y4 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height
+ end
+
+ #Methods for moving the shape
+ def x
+ @x ||= 0
+ end
+
+ def x=(x)
+ @x = x
+ end
+
+ def y
+ @y ||= 0
+ end
+
+ def y=(y)
+ @y = y
+ end
+
+ # Wrappers for the coordinates so that
+ # they are handled by the Camera instead
+ # and for ease of programming
+ def x1
+ @virtual_x1 ||= @x1
+ end
+
+ def x1=(x1)
+ @virtual_x1 = x1
+ end
+
+ def y1
+ @virtual_y1 ||= @y1
+ end
+
+ def y1=(y1)
+ @virtual_y1 = y1
+ end
+
+ def x2
+ @virtual_x2 ||= @x2
+ end
+
+ def x2=(x2)
+ @virtual_x2 = x2
+ end
+
+ def y2
+ @virtual_y2 ||= @y2
+ end
+
+ def y2=(y2)
+ @virtual_y2 = y2
+ end
+
+ def x3
+ @virtual_x3 ||= @x3
+ end
+
+ def x3=(x3)
+ @virtual_x3 = x3
+ end
+
+ def y3
+ @virtual_y3 ||= @y3
+ end
+
+ def y3=(y3)
+ @virtual_y3 = y3
+ end
+
+ def x4
+ @virtual_x4 ||= @x4
+ end
+
+ def x4=(x4)
+ @virtual_x4 = x4
+ end
+
+ def y4
+ @virtual_y4 ||= @y4
+ end
+
+ def y4=(y4)
+ @virtual_y4 = y4
+ end
+ end
+end
+