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# frozen_string_literal: true
module QuadCameraTracker
def update(zoom: 1, x: 0, y: 0)
if x != 0 or y != 0
@x1 -= x
@x2 -= x
@x3 -= x
@x4 -= x
@y1 -= y
@y2 -= y
@y3 -= y
@y4 -= y
end
if zoom != 1
@x1 *= zoom
@x2 *= zoom
@x3 *= zoom
@x4 *= zoom
@y1 *= zoom
@y2 *= zoom
@y3 *= zoom
@y4 *= zoom
end
end
def true_center
[[@x1, @x2, @x3, @x4].min, [@y1, @y2, @y3, @y4].min]
end
def width
[@x1, @x2, @x3, @x4].max - [@x1, @x2, @x3, @x4].min
end
def height
[@y1, @y2, @y3, @y4].max - [@y1, @y2, @y3, @y4].min
end
def x
@x ||= 0
end
def x=(x)
diff = x - self.x
self.x1 += diff
self.x2 += diff
self.x3 += diff
self.x4 += diff
@x = x
end
def y
@y ||= 0
end
def y=(y)
diff = y - self.y
self.y1 += diff
self.y2 += diff
self.y3 += diff
self.y4 += diff
@y = y
end
def size
@size ||= 1
end
def size=(size)
# should resize based on the top left point
# offset rotation to shape
end
def x1
@x1 / Camera.zoom_level + Camera.camera_position[0] - x
# undo rotation/translation/zoom
end
def x1=(x1)
@x1 = ((x1 + x) - Camera.camera_position[0]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def y1
@y1 / Camera.zoom_level + Camera.camera_position[1] - y
# undo rotation/translation/zoom
end
def y1=(y1)
@y1 = ((y1 + y) - Camera.camera_position[1]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def x2
(@x2) / Camera.zoom_level + Camera.camera_position[0] - x
# undo rotation/translation/zoom
end
def x2=(x2)
@x2 = ((x2 + x) - Camera.camera_position[0]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def y2
(@y2) / Camera.zoom_level + Camera.camera_position[1] - y
# undo rotation/translation/zoom
end
def y2=(y2)
@y2 = ((y2 + y) - Camera.camera_position[1]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def x3
(@x3) / Camera.zoom_level + Camera.camera_position[0] - x
# undo rotation/translation/zoom
end
def x3=(x3)
@x3 = ((x3 + x) - Camera.camera_position[0]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def y3
(@y3) / Camera.zoom_level + Camera.camera_position[1] - y
# undo rotation/translation/zoom
end
def y3=(y3)
@y3 = ((y3 + y) - Camera.camera_position[1]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def x4
@x4 / Camera.zoom_level + Camera.camera_position[0] - x
# undo rotation/translation/zoom
end
def x4=(x4)
@x4 = ((x4 + x) - Camera.camera_position[0]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def y4
@y4 / Camera.zoom_level + Camera.camera_position[1] - y
# undo rotation/translation/zoom
end
def y4=(y4)
@y4 = ((y4 + y) - Camera.camera_position[1]) * Camera.zoom_level
# add rotation level
# apply rotation/translation/zoom then pass to super
end
def rotation_degrees
@rotation_degrees ||= 0
end
def rotate_degrees_by(degrees)
# offset rotation to shape
end
def rotate_degree_to(degrees)
# set rotation
end
end
|
