From 826e3d959d2339af285cc3417315efe16a8ff07d Mon Sep 17 00:00:00 2001
From: brian cully <bjc@spork.org>
Date: Wed, 24 Dec 2025 11:55:01 -0500
Subject: part 2: move core logic to game module, which owns robos

---
 site/main.mjs | 103 ++--------------------------------------------------------
 1 file changed, 2 insertions(+), 101 deletions(-)

(limited to 'site/main.mjs')

diff --git a/site/main.mjs b/site/main.mjs
index e2cdc3e..0d79e7c 100644
--- a/site/main.mjs
+++ b/site/main.mjs
@@ -1,110 +1,11 @@
 import Arena from './arena.mjs';
+import Game from './game.mjs';
 import Inspector from './inspector.mjs';
 
-// one per page
-const TICK_BUTTON_SELECTOR = '#tick';
-const TICK_RATE_SELECTOR = '#tick-rate-select';
-const RUN_BUTTON_SELECTOR = '#run';
-
 async function loaded() {
     Arena.register();
+    Game.register();
     Inspector.register();
-
-    const robos = [{
-        worker: new Worker('robo.mjs', { type: 'module' }),
-        lastTick: undefined,
-        heading: 0,
-        speed: 0,
-        speedx: 0,
-        speedy: 0,
-    }].map(r => document.querySelector(Arena.name).randStart(r));
-    robos.forEach((robo, i) => {
-        robo.worker.onmessage = e => {
-            const { kind, res, trans } = e.data;
-            switch (kind) {
-            case 'compile':
-                if (res) {
-                    document.querySelector(Arena.name).render(robos);
-                    document.querySelectorAll(Inspector.name)[i].render(trans, true);
-                }
-                break;
-            case 'tick':
-                robo.lastTick = document.timeline.currentTime;
-
-                [robo.x, robo.y] = document.querySelector(Arena.name).clamp(Arena.radius, robo.x + robo.speedx, robo.y + robo.speedy);
-                document.querySelector(Arena.name).render(robos, robo.lastTick);
-
-                robo.heading = trans.vars.heading;
-                robo.speed = trans.vars.speed;
-                [robo.speedx, robo.speedy] = [
-                    Math.cos(2 * Math.PI * robo.heading / 360),
-                    Math.sin(2 * Math.PI * robo.heading / 360)
-                ].map(x => robo.speed * x);
-
-                document.querySelectorAll(Inspector.name)[i].render(trans);
-                break;
-            default:
-                console.error('invalid message from robo worker', e.data);
-            }
-        };
-        robo.worker.onerror = e => {
-            console.error('error in roboWorker', e);
-        };
-    });
-
-    document.querySelectorAll(Inspector.name).forEach((elt, i) => {
-        elt.addEventListener(Inspector.compileRequest, e => {
-            console.debug('compiling', e.detail.text);
-            robos[i].worker.postMessage({ kind: 'compile', text: e.detail.text });
-        });
-    });
-
-    document.querySelector(TICK_BUTTON_SELECTOR).onclick = e => {
-        console.debug('tick clicked', e);
-        robos.forEach(robo => robo.worker.postMessage({ kind: 'tick' }));
-    };
-
-    document.querySelector(TICK_RATE_SELECTOR).onchange = e => {
-        console.debug('tick rate changed', e, Number(e.target.value));
-        document.querySelector(Arena.name).tickMS = 1_000 / e.target.value;
-    }
-    document.querySelectorAll(TICK_RATE_SELECTOR).forEach(elt => elt.onchange({ target: elt }));
-
-    let blinkenRun = false;
-    function renderFrame(t) {
-        if (!blinkenRun) {
-            return;
-        }
-        self.requestAnimationFrame(renderFrame);
-        document.querySelector(Arena.name).render(robos, t);
-    }
-
-    function timeout() {
-        if (!blinkenRun) {
-            return
-        }
-        self.setTimeout(timeout, document.querySelector(Arena.name).tickMS);
-
-        robos.forEach(robo => robo.worker.postMessage({ kind: 'tick' }));
-    }
-
-    document.querySelector(RUN_BUTTON_SELECTOR).onclick = e => {
-        console.debug('blinken clicked', e);
-
-        blinkenRun = !blinkenRun;
-        if (blinkenRun) {
-            e.currentTarget.classList.remove('halten');
-            e.currentTarget.classList.add('blinken');
-            e.currentTarget.querySelector('title').textContent = 'halten';
-            setTimeout(timeout);
-            renderFrame(document.timeline.currentTime);
-        } else {
-            e.currentTarget.classList.remove('blinken');
-            e.currentTarget.classList.add('halten');
-            e.currentTarget.querySelector('title').textContent = 'blinken';
-            document.querySelector(Arena.name).invalidateFPS();
-        }
-    }
 }
 
 document.addEventListener('DOMContentLoaded', loaded);
-- 
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