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Added functionality to heightmap to allow a word to be created the size of

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the supplied heightmap - after all, that's what we will normally want.
This commit is contained in:
Simon Brooke 2014-07-17 09:50:22 +01:00
parent 601c7d74a6
commit 6ac4f55ed5
2 changed files with 15 additions and 4 deletions
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14
src/mw_engine/heightmap.clj
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@ -6,6 +6,7 @@
(ns mw-engine.heightmap (ns mw-engine.heightmap
(:import [java.awt.image BufferedImage]) (:import [java.awt.image BufferedImage])
(:use mw-engine.utils (:use mw-engine.utils
mw-engine.world
;; interestingly the imagez load-image is failing for me, while the ;; interestingly the imagez load-image is failing for me, while the
;; collage version is problem free. ;; collage version is problem free.
[mikera.image.core :only [filter-image get-pixels]] [mikera.image.core :only [filter-image get-pixels]]
@ -58,9 +59,14 @@
altitudes are modified (added to) by the altitudes in the heightmap. It is assumed that altitudes are modified (added to) by the altitudes in the heightmap. It is assumed that
the heightmap is at least as large in x and y dimensions as the world. the heightmap is at least as large in x and y dimensions as the world.
* `world` a world, as defined in `world.clj`, q.v.; * `world` a world, as defined in `world.clj`, q.v.; if world is not supplied,
a world the size of the heightmap will be created.
* `imagepath` a file path or URL which indicates an image file." * `imagepath` a file path or URL which indicates an image file."
[world imagepath] ([world imagepath]
;; bizarrely, the collage load-util is working for me, but the imagez version isn't. ;; bizarrely, the collage load-util is working for me, but the imagez version isn't.
(let [heightmap (filter-image (grayscale)(load-image imagepath))] (let [heightmap (filter-image (grayscale)(load-image imagepath))]
(apply vector (map #(apply-heightmap-row % heightmap) world)))) (apply vector (map #(apply-heightmap-row % heightmap) world))))
([imagepath]
(let [heightmap (filter-image (grayscale)(load-image imagepath))
world (make-world (.getWidth heightmap) (.getHeight heightmap))]
(apply vector (map #(apply-heightmap-row % heightmap) world)))))

5
src/mw_engine/natural_rules.clj
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@ -1,4 +1,9 @@
;; A set of MicroWorld rules describing a simplified natural ecosystem. ;; A set of MicroWorld rules describing a simplified natural ecosystem.
;;
;; Since the completion of the rule language this is more or less obsolete -
;; there are still a few things that you can do with rules written in Clojure
;; that you can't do in the rule language, but not many and I doubt they're
;; important.
(ns mw-engine.natural-rules (ns mw-engine.natural-rules
(:use mw-engine.utils (:use mw-engine.utils