Oh, don't worry, I used clojuredev for this ;) I noticed a few bugs here and there, by the way, so i'll have to find some time and report / patch ... anyway on this topic you really have the same probleme with java, except that propers tools just hide the hugly list of import anyway.
Cheers PH On 9 fév, 15:08, Laurent PETIT <laurent.pe...@gmail.com> wrote: > Since you say you're an Eclipse user, one answer could be : use clojuredev > (eclipse plugin supporting clojure development), > > and wait patiently for this feature to be included :-). > > More seriously : clojuredev, while still a baby compared to slime, has some > interesting features worth considering for current eclipse users : > - syntax coloring + rainbow parens > - namespace browser > - REPL launcher > - auto-compilation of files + problem markers (for compilation errors) > - "survival kit" of keyboard shortcuts in the editor : top-level > s-expression selection, send to REPL (current selection or top-level > s-expression), compile file, ... > > Code completion and integration with the JDT are next on my todo list. It > would be based on heuristics in a first time (deduction of the namespace of > a symbol by simple/naive detection of the ns of the file), but would work > 95% (if not better) of the time, and then, when time permits, based on real > static analysis+dynamic analysis of code. > > By integration with the JDT, the automatic addition of imports is indeed a > really interesting feature I would like to add (I intend to first use a lot > clojure for replacing bits of java in existing java projects, so our needs > will match in this area :-). > > Cheers, > > -- > Laurent > > 2009/2/9 phtrivier <phtriv...@gmail.com> > > > > > Hi everyone > > > first of all, this is my first post, so if I ask FAQs or deserve to > > RTFM, please tell me. > > > I am learning clojure, and trying to adapt some game code written in a > > Java framework called Slick. After a couple of beginner's mistake (the > > kind you do to learn ;) ), I got a working convestion of a Scoller > > example. Still, there are some things that I don't find very elegant, > > or where I'm pretty sure to be reinventing some wheel. > > > Code is here : > > >http://tinyurl.com/dj4l9z > > or > > git://github.com/phtrivier/clj-slick-tank.git > > > * The game is tile-based. I need to build up a collision map ("can the > > tank walk on cell [3,2] ?"). Java does it with a two-dimensional array > > of booleans. From discussion here : > > >http://groups.google.com/group/clojure/browse_thread/thread/5eb78c620... > > , I choosed to use a vector of vector (i probably should'nt have, but > > that's another point). I wrote this : > > > (defn blocked? > > "Is a position blocked in the screen?" > > [screen x y] > > (let [i (int x) > > j (int y)] > > (true? (get (get (screen :blocked) i) j)))) > > > (defn make-row-generator > > [cell-generator w] > > (fn [i] > > (vec (map (fn [j] (cell-generator i j)) > > (range 0 w))))) > > > (defn make-matrix > > [w h cell-generator] > > (vec (map (make-row-generator cell-generator w) > > (range 0 h)))) > > > (defn make-collision-map > > "Builds a double dimensioned array telling > > whether a cell is blocked" > > [m w h] > > (make-matrix > > w h > > (fn [i j] > > (let [tileId (.getTileId m i j 0)] > > (let [res > > (Boolean/parseBoolean > > (.getTileProperty m tileId "blocked" "false"))] > > res > > ))))) > > > (the 'm' is a slick-specific stucture that holds the tile map). > > Am I duplicating some existing library to build matrices ? Is there a > > cleaner way to do it ? > > > * In a method I check for collisions : > > > ;; Movement > > (defn try-move > > "Try and move a player in the screen given a direction. > > Returns a list with the moved player, and a > > boolean indicating whether the move was successfull. > > " > > [player screen dx dy] > > (let [new_x (+ (player :x) dx) > > new_y (+ (player :y) dy)] > > > (let [bxy (blocked? screen new_x new_y) > > bx (blocked? screen new_x (player :y)) > > by (blocked? screen (player :x) new_y)] > > (if bxy > > (if bx > > (if by > > [player, false] > > [(assoc player :y new_y), true]) > > [(assoc player :x new_x), true]) > > [(assoc player :x new_x :y new_y), true])))) > > > Will i get used to the nested 'if' blocks someday ? Any way to write > > the equivalent of a switch case here, if only to improve > > readibility ? > > > * Finally, my code starts with a rather ugly > > > (ns tank > > (:import (org.newdawn.slick Animation > > AppGameContainer > > BasicGame > > GameContainer > > Graphics > > Input > > SlickException > > SpriteSheet) > > (org.newdawn.slick.tiled TiledMap) > > (org.newdawn.slick.util Log))) > > > I know there is no way to import org.newdawn.slick.* (as discussed > > here : > > >http://groups.google.com/group/clojure/browse_thread/thread/fa00a0ff4... > > ). What do you do in programs that need huge list of imports ? I'm > > kinda spoiled by the Eclipse way of doing this, which is roughly : > > import everything, forget about it, and let you IDE clear up the list. > > And at least for development part it make things easier. If I hadn't > > had the exact list of import to copy paste in this case, I would > > probably have gone bored and depressed by the second class to import > > manually (lazyness is not only for evaluation ;) ) > > > Thanks for any ideas, sorry if post is too long / newbie-like. > > > Cheers > > PH --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
