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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 Camera Module
class Line < Ruby2D::Line
# Recalculates real coordiantes
# Use after changing variables
def _draw
return if @hide
angle = Camera.angle * (Math::PI / 180)
half_width = Window.width * 0.5
half_height = Window.height * 0.5
temp_x1 = (((x + @x1 - Camera.x) * Math.cos(angle)) - ((y + @y1 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width
temp_y1 = (((x + @x1 - Camera.x) * Math.sin(angle)) + ((y + @y1 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height
temp_x2 = (((x + @x2 - Camera.x) * Math.cos(angle)) - ((y + @y2 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width
temp_y2 = (((x + @x2 - Camera.x) * Math.sin(angle)) + ((y + @y2 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height
temp_width = width * Camera.zoom
Ruby2D::Line.draw(x1: temp_x1, y1: temp_y1,
x2: temp_x2, y2: temp_y2,
width: temp_width,
color: [
[color.r, color.g, color.b, color.a],
[color.r, color.g, color.b, color.a],
[color.r, color.g, color.b, color.a],
[color.r, color.g, color.b, color.a]
],
z: z)
end
def initialize(opts = {})
super(opts)
Camera << self
Window.remove(self)
end
def remove
@hide = true
end
def add
@hide = false
end
# Methods for moving the shape
attr_writer :x, :y
def x
@x ||= 0
end
def y
@y ||= 0
end
def z=(z)
super(z)
Camera._sort_by_z
end
end
end
end
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