75 lines
1.9 KiB
Clojure
75 lines
1.9 KiB
Clojure
(in-ns 'play-clj.core)
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; drawing
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(defmulti sprite-batch #(-> % :renderer class) :default nil)
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(defmethod sprite-batch nil
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[screen]
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(SpriteBatch.))
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(defmethod sprite-batch BatchTiledMapRenderer
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[{:keys [^BatchTiledMapRenderer renderer]}]
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(.getSpriteBatch renderer))
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(defmethod sprite-batch Stage
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[{:keys [^Stage renderer]}]
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(.getSpriteBatch renderer))
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(defn draw! [{:keys [renderer] :as screen} entities]
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(assert renderer)
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(let [^SpriteBatch batch (sprite-batch screen)]
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(.begin batch)
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(doseq [e entities]
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(cond
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(map? e)
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(let [{:keys [^TextureRegion image x y width height]} e]
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(.draw batch image (float x) (float y) (float width) (float height)))
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(isa? (type e) Actor)
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(.draw ^Actor e batch 1)))
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(.end batch))
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entities)
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; textures
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(defn image
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[val]
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(if (string? val)
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(-> ^String val Texture. TextureRegion.)
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(TextureRegion. ^TextureRegion val)))
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(defn image-width
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([^TextureRegion img]
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(.getRegionWidth img))
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([img val]
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(doto ^TextureRegion (image img) (.setRegionWidth val))))
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(defn image-height
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([^TextureRegion img]
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(.getRegionHeight img))
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([img val]
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(doto ^TextureRegion (image img) (.setRegionHeight val))))
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(defn split-image
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([val size]
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(split-image val size size))
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([val width height]
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(-> val ^TextureRegion image (.split width height))))
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(defn flip-image
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[val x? y?]
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(doto ^TextureRegion (image val) (.flip x? y?)))
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(defmacro animation
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[duration images & args]
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`(Animation. ~duration
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(utils/gdx-into-array ~images)
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(utils/gdx-static-field :graphics :g2d :Animation
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~(or (first args) :normal))))
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(defn get-key-frame
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([screen ^Animation animation]
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(.getKeyFrame animation (:total-time screen) true))
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([screen ^Animation animation is-looping?]
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(.getKeyFrame animation (:total-time screen) is-looping?)))
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