added squares

1 files changed, 62 insertions, 0 deletions

diff --git a/lib/ruby2d/camera/square.rb b/lib/ruby2d/camera/square.rb
new file mode 100644
index 0000000..d013e56
--- /dev/null
+++ b/lib/ruby2d/camera/square.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+class Ruby2D
+  module Camera
+    # Wraps existing variables as well as adding new methods
+    # so that it can be handled by the Camera Module
+    class Square < Ruby2D::Square
+      # Recalculates real coordiantes
+      # Use after changing variables
+      def _draw
+        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
+        Ruby2D::Quad.draw(x1: temp_x1, y1: temp_y1,
+                          x2: temp_x2, y2: temp_y2,
+                          x3: temp_x3, y3: temp_y3,
+                          x4: temp_x4, y4: temp_y4,
+                          color: [
+                            [self.c1.r, self.c1.g, self.c1.b, self.c1.a],
+                            [self.c2.r, self.c2.g, self.c2.b, self.c2.a],
+                            [self.c3.r, self.c3.g, self.c3.b, self.c3.a],
+                            [self.c4.r, self.c4.g, self.c4.b, self.c4.a]
+                          ],
+                          z: self.z
+                         )
+      end
+
+      def initialize(opts= {})
+        super(opts)
+        Ruby2D::Camera << self
+        self.remove
+      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
+
+    end
+  end
+end
+