Files
play-clj/src/play_clj/core_global.clj
2014-01-10 19:27:53 -05:00

111 lines
3.2 KiB
Clojure

(in-ns 'play-clj.core)
; graphics
(defn clear!
([]
(clear! 0 0 0 0))
([r g b a]
(doto (Gdx/gl)
(.glClearColor (float r) (float g) (float b) (float a))
(.glClear GL20/GL_COLOR_BUFFER_BIT))))
(defmacro color
[& args]
`~(if (keyword? (first args))
`(Color. ^Color (utils/gdx-static-field :graphics :Color ~(first args)))
`(Color. ~@args)))
(defmacro bitmap-font
[& options]
`(BitmapFont. ~@options))
; input/output
(defn game
[key]
(case key
:width (.getWidth ^Graphics (Gdx/graphics))
:height (.getHeight ^Graphics (Gdx/graphics))
:fps (.getFramesPerSecond ^Graphics (Gdx/graphics))
:is-fullscreen? (.isFullscreen ^Graphics (Gdx/graphics))
:is-touched? (.isTouched ^Input (Gdx/input))
:x (.getX ^Input (Gdx/input))
:y (.getY ^Input (Gdx/input))
nil))
(defmacro keycode
[key]
`~(symbol
(str utils/gdx-package ".Input$Keys/" (utils/key->static-field key))))
(defmacro is-pressed?
[key]
`(.isKeyPressed ^Input (Gdx/input) (keycode ~key)))
(defn- input-processor
[{:keys [on-key-down on-key-typed on-key-up on-mouse-moved
on-scrolled on-touch-down on-touch-dragged on-touch-up]}
execute-fn!]
(reify InputProcessor
(keyDown [this k]
(execute-fn! on-key-down :keycode k)
false)
(keyTyped [this c]
(execute-fn! on-key-typed :character c)
false)
(keyUp [this k]
(execute-fn! on-key-up :keycode k)
false)
(mouseMoved [this sx sy]
(execute-fn! on-mouse-moved :screen-x sx :screen-y sy)
false)
(scrolled [this a]
(execute-fn! on-scrolled :amount a)
false)
(touchDown [this sx sy p b]
(execute-fn! on-touch-down :screen-x sx :screen-y sy :pointer p :button b)
false)
(touchDragged [this sx sy p]
(execute-fn! on-touch-dragged :screen-x sx :screen-y sy :pointer p)
false)
(touchUp [this sx sy p b]
(execute-fn! on-touch-up :screen-x sx :screen-y sy :pointer p :button b)
false)))
(defn- gesture-detector
[{:keys [on-fling on-long-press on-pan on-pan-stop on-pinch on-tap on-zoom]}
execute-fn!]
(let [listener
(reify GestureDetector$GestureListener
(fling [this vx vy b]
(execute-fn! on-fling :velocity-x vx :velocity-y vy :button b)
false)
(longPress [this x y]
(execute-fn! on-long-press :x x :y y)
false)
(pan [this x y dx dy]
(execute-fn! on-pan :x x :y y :delta-x dx :delta-y dy)
false)
(panStop [this x y p b]
(execute-fn! on-pan-stop :x x :y y :pointer p :button b)
false)
(pinch [this ip1 ip2 p1 p2]
(execute-fn! on-pinch
:initial-pointer-1 ip1 :initial-pointer-2 ip2
:pointer1 p1 :pointer2 p2)
false)
(tap [this x y c b]
(execute-fn! on-tap :x x :y y :count c :button b)
false)
(touchDown [this x y p b]
false)
(zoom [this id d]
(execute-fn! on-zoom :initial-distance id :distance d)
false))]
(proxy [GestureDetector] [listener])))
(defn- add-input!
[^InputProcessor p]
(.addProcessor ^InputMultiplexer (.getInputProcessor (Gdx/input)) p))