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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
class Image < Ruby2D::Image
# Recalculates real coordiantes
# Use after changing variables
def _draw
temp_angle = Camera.angle * (Math::PI / 180)
half_width = Window.width * 0.5
half_height = Window.height * 0.5
offset_x = @x + (@width / 2)
offset_y = @y + (@height / 2)
temp_x = (((offset_x - Camera.x) * Math.cos(temp_angle)) - ((offset_y - Camera.y) * Math.sin(temp_angle))) \
* Camera.zoom + half_width - (width * Camera.zoom / 2)
temp_y = (((offset_x - Camera.x) * Math.sin(temp_angle)) + ((offset_y - Camera.y) * Math.cos(temp_angle))) \
* Camera.zoom + half_height - (height * Camera.zoom / 2)
temp_rotate = self.rotate + Camera.angle
temp_width = self.width * Camera.zoom
temp_height = self.height * Camera.zoom
self.draw(x: temp_x, y: temp_y,
width: temp_width,
height: temp_height,
rotate: temp_rotate,
color: [self.color.r, self.color.g, self.color.b, self.color.a])
end
def initialize(opts= {})
super(opts)
Ruby2D::Camera << self
self.remove
end
end
end
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