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.lein-repl-history
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(def v {:x 1, :y 2, :z 3})
(v)
v
(* v 2)
(defn normalize[v]
(let [factor (/ Math/sqrt(+ (* (v :x) (v :x))
(* (v :y) (v :y))
(* (v :z) (v :z)))
1.0)]
{:x (* factor (v :x))
:y (* factor (v :y))
:z (* factor (v :z))}))
(doc java.lang.Math/sqrt)
(java.lang.Math/sqrt 3)
(defn normalize[v]
(let [factor (/ (Math/sqrt(+ (* (v :x) (v :x))
(* (v :y) (v :y))
(* (v :z) (v :z))))
1.0)]
{:x (* factor (v :x))
:y (* factor (v :y))
:z (* factor (v :z))}))
(normalize {:x 1 :y 2 :z 3})
(defn cross-product[v1 v2]
({:x (- (* (v1 :y) (v2 :z)) (* (v1 :z) (v2 :y)))
:y (- (* (v1 :z) (v2 :x)) (* (v1 :x) (v2 :z)))
:z (- (* (v1 :x) (v2 :y)) (* (v1 :y) (v2 :x)))}))
(cross-product {:x 1 :y 2 :z 3} {:x 1 :y 2 :z 3})
{:x (- (* 2 3) (* 2 4))}
(defn cross-product[v1 v2]
({:x (- (* (v1 :y) (v2 :z)) (* (v1 :z) (v2 :y)))
:y (- (* (v1 :z) (v2 :x)) (* (v1 :x) (v2 :z)))
:z (- (* (v1 :x) (v2 :y)) (* (v1 :y) (v2 :x)))}))
(cross-product {} {})
(cross-product {:x 1 :y 1 :z 1} {:x 1 :y 1 :z 1})
(cross-product {:x 1 :y 1 :z 1})
(defn scale[v r]
({:x (* (v :x) r)
:y (* (v :y) r)
:z (* (v :z) r)}))
(scale {:x 1 :y 2 :z 3} 2)
(scale {:x 1, :y 2, :z 3} 2)
{:x (* ({:x 1} :x) 2)}
(scale {:x 1, :y 2, :z 3} 2)
{:x (* ({:x 1 :y 2} :x) 2)}
{:x (* ({:x 1 :y 2 :z 3} :x) 2)}
{:x (* ({:x 1 :y 2 :z 3} :x) 2) :y (* ({:x 1 :y 2 :z 3} :y) 2)}
(defn scale[v r]
({:x (* (v :x) r)}))
(scale {:x 1} 2)
(defn scale[v r]
{:x (* (v :x) r)})
(scale {:x 1} 2)
(defn cross-product[v1 v2]
{:x (- (* (v1 :y) (v2 :z)) (* (v1 :z) (v2 :y)))
:y (- (* (v1 :z) (v2 :x)) (* (v1 :x) (v2 :z)))
:z (- (* (v1 :x) (v2 :y)) (* (v1 :y) (v2 :x)))})
(cross-product {:x 1 :y 2 :z 3} {:x 1 :y 2 :z 3})
(defn dot-product[v1 v2]
{:x (* (v1 :x) (v2 :x))
:y (* (v1 :y) (v2 :y))
:z (* (v1 :z) (v2 :z))})
(dot-product {:x 1 :y 2 :z 3} {:x 1 :y 2 :z 3})
(doc average)
(exit)
(find-doc "average")
(find-doc "avg")
{:x -3.1f :y -16.0f :z +1.9f}
{:x -3.1 :y -16.0 :z 1.9}
(defn add[v1 v2]
{:x (+ (v1 :x) (v2 :x))
:y (+ (v1 :y) (v2 :y))
:z (+ (v1 :z) (v2 :z))})
(defn scale[v r]
{:x (* (v :x) r)
:y (* (v :y) r)
:z (* (v :z) r)})
(defn dot-product[v1 v2]
{:x (* (v1 :x) (v2 :x))
:y (* (v1 :y) (v2 :y))
:z (* (v1 :z) (v2 :z))})
(defn cross-product[v1 v2]
{:x (- (* (v1 :y) (v2 :z)) (* (v1 :z) (v2 :y)))
:y (- (* (v1 :z) (v2 :x)) (* (v1 :x) (v2 :z)))
:z (- (* (v1 :x) (v2 :y)) (* (v1 :y) (v2 :x)))})
(defn normalize[v]
(let [factor (/ (Math/sqrt(+ (* (v :x) (v :x))
(* (v :y) (v :y))
(* (v :z) (v :z))))
1.0)]
{:x (* factor (v :x))
:y (* factor (v :y))
:z (* factor (v :z))}))
(def G (normalize {:x -3.1 :y -16.0 :z 1.9}))
G
(def UP (scale (cross-product G {:x 0.0 :y 0.0 :z 1.0})) 0.002)
(def UP (scale (cross-product G {:x 0.0 :y 0.0 :z 1.0}) 0.002))
UP
(def RIGHT (scale (normalize (cross-product G UP)) 0.002))
RIGHT
(def EYE_OFFSET (add G (scale (add UP RIGHT) -256.0)))
EYE_OFFSET
(exit)
(type 2)
(type 2.0)
(type 2.0f)
(type "2.0")
(type type)
(supers (type type))
(supers (type 2))
(doc type)
(doc 2)
(doc inc)
(doc recude)
(doc reduce)
(meta #'type)
(meta #'reduce)
(meta #'inc)
(exit)
(doc read)
(doc with-open)
(use 'clojure.java.io)
(doc reader)
(with-open [rdr (reader "art.txt")]
(doseq [line (line-seq rdr)]
(println line)))
(doc doseq)
(doc line-seq)
(doc with-open)
(doc cons)
(doc conj)
(doc concat)
(doc lazy-seq)
(doc realized?)
(with-open [rdr (reader "art.txt")]
(doseq [line (line-seq rdr)]
(lazy-seq line)))
(defn load-art-from-file [art-file-path]
(with-open [reader (clojure.java.io/reader art-file-path)]
(doseq [line (line-seq reader)]
(lazy-seq line))))
(println (load-art-from-file "art.txt"))
(defn load-art-from-file [art-file-path]
(with-open [reader (clojure.java.io/reader art-file-path)]
(lazy-seq (line-seq reader))))
(println (load-art-from-file "art.txt"))
(defn load-art-from-file [art-file-path]
(with-open [reader (clojure.java.io/reader art-file-path)]
(line-seq reader)))
(println (load-art-from-file "art.txt"))
(doc into)
(defn load-art-from-file [art-file-path]
(with-open [reader (clojure.java.io/reader art-file-path)]
(list (line-seq reader))))
(println (load-art-from-file "art.txt"))
(defn load-art-from-file [art-file-path]
(with-open [reader (clojure.java.io/reader art-file-path)]
(reduce (fn[l] l) [] (line-seq reader))))
(println (load-art-from-file "art.txt"))
(list "a" "b")
(defn load-art-from-file [art-file-path]
(with-open [reader (clojure.java.io/reader art-file-path)]
(doall (line-seq reader))))
(println (load-art-from-file "art.txt"))
(def art (load-art-from-file "art.txt"))
art
(take 1 art)
(take 2 art)
(take 3 art)
(doc split)
(doc clojure.string/split)