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@daniel-j-h
Last active December 20, 2015 22:39
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Clojure + Leap Motion Requirements: Appropriate Leap libraries / native deps
(ns leap-clojure.core
(:import (com.leapmotion.leap Controller Listener Pointable))
(:gen-class))
(defn frame-handler
"Decides what to do with new frame data from the device"
[^Controller controller]
(let [frame (.frame controller)
box (.interactionBox frame)
pointables (.pointables frame)]
(doseq [^Pointable pointable pointables
:when (.isValid pointable)
:let [id (.id pointable)
pos (.stabilizedTipPosition pointable)
tip (.normalizePoint box pos)
x (.getX tip)
y (.getY tip)
z (.getZ tip)]]
(println
(format "%d \t %.2f \t %.2f \t %.2f" id x y z)))))
(defn make-listener
"Dispatches based on device events"
[]
(proxy [Listener] []
(onFrame [controller]
(frame-handler controller))))
(defn handle-interaction
"Interacts with the user until a newline is received"
[]
(let [controller (Controller.)
listener (make-listener)]
(.addListener controller listener)
(read-line) ;; block on user input
(.removeListener controller listener)))
(defn -main [& args]
(println "Ready!")
(handle-interaction)
(println "Bye!"))
(defproject leap-clojure "0.1.0-SNAPSHOT"
:description "Clojure + Leap Motion"
:url "https://gist.github.com/daniel-j-h"
:license {:name "MIT License"
:url "http://www.opensource.org/licenses/mit-license.php"}
:min-lein-version "2.0.0"
:repl-options {:prompt (fn [ns] (str *ns* " λ "))}
:global-vars {*warn-on-reflection* true}
:plugins [[lein-kibit "0.0.8"]
[jonase/eastwood "0.0.2"]]
:dependencies [[org.clojure/clojure "1.5.1"]
[daniel-j-h/leaplib "0.8.0"]
[daniel-j-h/leaplib-natives "0.8.0"]]
:main leap-clojure.core)
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