finished implementing quads

1 files changed, 173 insertions, 0 deletions

diff --git a/quad_camera_tracker.rb b/quad_camera_tracker.rb
new file mode 100644
index 0000000..d0bcd21
--- /dev/null
+++ b/quad_camera_tracker.rb
@@ -0,0 +1,173 @@
+# 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