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(ns helix-three.core | |
(:require [goog.object :as gobj] | |
[helix.core :refer [defnc $]] | |
[helix.hooks :as hooks] | |
[cljs-bean.core :as b] | |
["react-dom" :as rdom] | |
["react-three-fiber" :as rtf]) | |
(:refer-clojure :exclude [Box])) | |
(defnc Box [props] | |
(let [mesh (hooks/use-ref nil) | |
[hover? set-hover] (hooks/use-state false) | |
[active? set-active] (hooks/use-state false)] | |
(rtf/useFrame (fn [] | |
(let [rotation (gobj/get @mesh "rotation") | |
rpos (gobj/get rotation "x") | |
rpos' (+ rpos 0.01)] | |
(doto rotation | |
(gobj/set "x" rpos') | |
(gobj/set "y" rpos'))))) | |
($ :mesh | |
{:ref mesh | |
:scale (if active? | |
#js [1.5 1.5 1.5] | |
#js [1 1 1]) | |
:on-click #(set-active not) | |
:on-pointer-over #(set-hover true) | |
:on-pointer-out #(set-hover false) | |
& props} | |
($ :boxBufferGeometry | |
{:attach "geometry" :args #js [1 1 1]}) | |
($ :meshStandardMaterial | |
{:attach "material" :color (if hover? "hotpink" "orange")})))) | |
(defn ^:export start [] | |
(rdom/render | |
($ rtf/Canvas | |
($ :ambientLight) | |
($ :pointLight {:position #js [10 10 10]}) | |
($ Box {:position #js [-1.2 0 0]}) | |
($ Box {:position #js [1.2 0 0]})) | |
(js/document.getElementById "app"))) |
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