diff options
Diffstat (limited to 'quad_camera_tracker.rb')
| -rw-r--r-- | quad_camera_tracker.rb | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/quad_camera_tracker.rb b/quad_camera_tracker.rb deleted file mode 100644 index 95f6cbd..0000000 --- a/quad_camera_tracker.rb +++ /dev/null @@ -1,248 +0,0 @@ -# frozen_string_literal: true - -module QuadCameraTracker - def update(options = {}) - if options[:x] and options[:y] - @x1 -= options[:x] - @x2 -= options[:x] - @x3 -= options[:x] - @x4 -= options[:x] - @y1 -= options[:y] - @y2 -= options[:y] - @y3 -= options[:y] - @y4 -= options[:y] - end - if options[:zoom] - @x1 *= options[:zoom] - @x2 *= options[:zoom] - @x3 *= options[:zoom] - @x4 *= options[:zoom] - @y1 *= options[:zoom] - @y2 *= options[:zoom] - @y3 *= options[:zoom] - @y4 *= options[:zoom] - end - if options[:rotate] - x_pivot = -x - y_pivot = -y - calc_angle = (Math::PI * options[:rotate]) / 180 - x_shifted1 = x1 - x_pivot - y_shifted1 = y1 - y_pivot - x_shifted2 = x2 - x_pivot - y_shifted2 = y2 - y_pivot - x_shifted3 = x3 - x_pivot - y_shifted3 = y3 - y_pivot - x_shifted4 = x4 - x_pivot - y_shifted4 = y4 - y_pivot - - self.x1 = x_pivot + (x_shifted1 * Math.cos(calc_angle) - y_shifted1 * Math.sin(calc_angle)) - self.y1 = y_pivot + (x_shifted1 * Math.sin(calc_angle) + y_shifted1 * Math.cos(calc_angle)) - - self.x2 = x_pivot + (x_shifted2 * Math.cos(calc_angle) - y_shifted2 * Math.sin(calc_angle)) - self.y2 = y_pivot + (x_shifted2 * Math.sin(calc_angle) + y_shifted2 * Math.cos(calc_angle)) - - self.x3 = x_pivot + (x_shifted3 * Math.cos(calc_angle) - y_shifted3 * Math.sin(calc_angle)) - self.y3 = y_pivot + (x_shifted3 * Math.sin(calc_angle) + y_shifted3 * Math.cos(calc_angle)) - - self.x4 = x_pivot + (x_shifted4 * Math.cos(calc_angle) - y_shifted4 * Math.sin(calc_angle)) - self.y4 = y_pivot + (x_shifted4 * Math.sin(calc_angle) + y_shifted4 * Math.cos(calc_angle)) - end - end - - # Uses a 'fast' method of getting the center - # perfectly accurate for squares and rectangles - # may be inaccurate for other quadrilaterals - def lazy_center - [([@x1, @x2, @x3, @x4].min + [@x1, @x2, @x3, @x4].max) / 2, - ([@y1, @y2, @y3, @y4].min + [@y1, @y2, @y3, @y4].max) / 2] - 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 ||= @x1 / Camera.zoom_level + Camera.camera_position[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 ||= @y1 / Camera.zoom_level + Camera.camera_position[1] - 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_debug - @x1 - end - - def x1 - temp_angle = (Math::PI * -Camera.rotation_degrees) / 180 - rotatedx = (@x1 * Math.cos(temp_angle) - @y1 * Math.sin(temp_angle)) - - #rotatedx / Camera.zoom_level + Camera.camera_position[0] - x - temp_move_x = @x1 / Camera.zoom_level + Camera.camera_position[0] - x - temp_move_y = @y1 / Camera.zoom_level + Camera.camera_position[1] - y - temp_move_x * Math.cos(temp_angle) - temp_move_y * Math.sin(temp_angle) - #@y = (x_shifted * Math.sin(@angle) + @y1 * Math.cos(@angle)) - # undo rotation/translation/zoom - end - - # Should modify the x1 methods so they move everything else isntead - # this is so that x1 is always the "origin" aka 0,0 of the shape - def x1=(x1) - temp_angle = (Math::PI * -Camera.rotation_degrees) / 180 - @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 - - attr_writer :rotation_degrees - - def rotation_degrees - @rotation_degrees ||= 0 - end - - def rotate_relative(x_pivot, y_pivot, angle) - self.rotation_degrees += angle - self.rotation_degrees %= 360 - calc_angle = (Math::PI * angle) / 180 - x_shifted1 = self.x1 - x_pivot - y_shifted1 = self.y1 - y_pivot - x_shifted2 = self.x2 - x_pivot - y_shifted2 = self.y2 - y_pivot - x_shifted3 = self.x3 - x_pivot - y_shifted3 = self.y3 - y_pivot - x_shifted4 = self.x4 - x_pivot - y_shifted4 = self.y4 - y_pivot - - # Used to update x and y later in the code - x1_old = self.x1 - y1_old = self.y1 - - self.x1 = x_pivot + (x_shifted1 * Math.cos(calc_angle) - y_shifted1 * Math.sin(calc_angle)) - self.y1 = y_pivot + (x_shifted1 * Math.sin(calc_angle) + y_shifted1 * Math.cos(calc_angle)) - - self.x2 = x_pivot + (x_shifted2 * Math.cos(calc_angle) - y_shifted2 * Math.sin(calc_angle)) - self.y2 = y_pivot + (x_shifted2 * Math.sin(calc_angle) + y_shifted2 * Math.cos(calc_angle)) - - self.x3 = x_pivot + (x_shifted3 * Math.cos(calc_angle) - y_shifted3 * Math.sin(calc_angle)) - self.y3 = y_pivot + (x_shifted3 * Math.sin(calc_angle) + y_shifted3 * Math.cos(calc_angle)) - - self.x4 = x_pivot + (x_shifted4 * Math.cos(calc_angle) - y_shifted4 * Math.sin(calc_angle)) - self.y4 = y_pivot + (x_shifted4 * Math.sin(calc_angle) + y_shifted4 * Math.cos(calc_angle)) - - # Updates x and y to be on the origin correctly - @x += -x1_old + self.x1 - @y += -y1_old + self.y1 - end - - def rotate(angle) - rotate_relative(0, 0, angle) - end -end |