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# frozen_string_literal: true
module Ruby2D
module Camera
# Wraps existing variables as well as adding new methods
# so that it can be handled by the Ruby2D::Camera Module
class Triangle << Ruby2D::Triangle
# Recalculates real coordiantes
# Use after changing variables
def _draw
angle = Ruby2D::Camera.angle * (Math::PI / 180)
half_width = Window.width * 0.5
half_height = Window.height * 0.5
temp_x1 = (((x + @x1 - Ruby2D::Camera.x) * Math.cos(angle)) - ((y + @y1 - Ruby2D::Camera.y) * Math.sin(angle))) * Ruby2D::Camera.zoom + half_width
temp_y1 = (((x + @x1 - Ruby2D::Camera.x) * Math.sin(angle)) + ((y + @y1 - Ruby2D::Camera.y) * Math.cos(angle))) * Ruby2D::Camera.zoom + half_height
temp_x2 = (((x + @x2 - Ruby2D::Camera.x) * Math.cos(angle)) - ((y + @y2 - Ruby2D::Camera.y) * Math.sin(angle))) * Ruby2D::Camera.zoom + half_width
temp_y2 = (((x + @x2 - Ruby2D::Camera.x) * Math.sin(angle)) + ((y + @y2 - Ruby2D::Camera.y) * Math.cos(angle))) * Ruby2D::Camera.zoom + half_height
temp_x3 = (((x + @x3 - Ruby2D::Camera.x) * Math.cos(angle)) - ((y + @y3 - Ruby2D::Camera.y) * Math.sin(angle))) * Ruby2D::Camera.zoom + half_width
temp_y3 = (((x + @x3 - Ruby2D::Camera.x) * Math.sin(angle)) + ((y + @y3 - Ruby2D::Camera.y) * Math.cos(angle))) * Ruby2D::Camera.zoom + half_height
self.draw(x1: temp_x1, y1: temp_y1,
x2: temp_x2, y2: temp_y2,
x3: temp_x3, y3: temp_y3)
end
def initialize(opts= {})
#add to camera?
super(opts)
Ruby2D::Camera << self
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
=begin
# Wrappers for the coordinates so that
# they are handled by the Ruby2D::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
=end
end
end
end
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