diff --git a/TUTORIAL.md b/TUTORIAL.md index 5402c37..8cd5dc8 100644 --- a/TUTORIAL.md +++ b/TUTORIAL.md @@ -65,16 +65,14 @@ A `texture` contains the underlying Java object. By default, it will be drawn at :x 50 :y 50 :width 100 :height 100) ``` -You can also set scaling and rotation on a texture using :scale-x, :scale-y, and :angle, which all use either (:origin-x, :origin-y) as the center, or calculate it from the size of the texture: +You can also set scaling and rotation on a texture using :scale-x, :scale-y, and :angle, which all use (:origin-x, :origin-y) as the center. For example, here we rotate it 45 degrees counter-clockwise around the bottom-left corner: + ```clojure (assoc (texture "clojure.png") :x 50 :y 50 :width 100 :height 100 - :scale-x 1.5 :scale-y 0.75 :angle 30 - :origin-x 50 :origin-y 0) + :angle 45 :origin-x 0 :origin-y 0) ``` -Note: if you're not rotating/scaling, try to set the angle and scale keys to nil, so that the simpler drawing function will be used. - ## Input Let's add a new function at the end of `defscreen` called `:on-key-down`, which runs when a key is pressed: