diff options
Diffstat (limited to 'lib/ruby2d/camera/image.rb')
| -rw-r--r-- | lib/ruby2d/camera/image.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/ruby2d/camera/image.rb b/lib/ruby2d/camera/image.rb new file mode 100644 index 0000000..ec229b1 --- /dev/null +++ b/lib/ruby2d/camera/image.rb @@ -0,0 +1,29 @@ +# 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 + 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(angle)) - ((offset_y - Camera.y) * Math.sin(angle))) \ + * Camera.zoom + half_width - (width * Camera.zoom / 2) + temp_y = (((offset_x - Camera.x) * Math.sin(angle)) + ((offset_y - Camera.y) * Math.cos(angle))) \ + * Camera.zoom + half_height - (height * Camera.zoom / 2) + temp_rotate = rotate + Camera.angle + temp_width = width * Camera.zoom + temp_height = 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 + end +end |
