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-rw-r--r--lib/ruby2d/camera/square.rb62
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
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+# 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
+