From 0d2d8cd897e94bd94e0b3ae7c6ce9aa580a44a0a Mon Sep 17 00:00:00 2001
From: LLLL Colonq <llll@colonq>
Date: Wed, 26 Aug 2026 23:47:59 -0400
Subject: Add a_tension_span

---
 2026/games_submissions/crm148/cosmos.js | 109 ++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 2026/games_submissions/crm148/cosmos.js

(limited to '2026/games_submissions/crm148/cosmos.js')

diff --git a/2026/games_submissions/crm148/cosmos.js b/2026/games_submissions/crm148/cosmos.js
new file mode 100644
index 0000000..0b14946
--- /dev/null
+++ b/2026/games_submissions/crm148/cosmos.js
@@ -0,0 +1,109 @@
+import {
+    victory,
+    getDebugInfo,
+    debugKey,
+} from './control.js';
+import Ship from './ship.js';
+import Star from './star.js';
+
+import Vec2 from './vec2.js';
+import { drawSquare } from './util.js';
+import { globalView } from './view.js';
+
+var view;
+
+class Cosmos {
+    pulses = [];
+    star;
+    player;
+    running;
+
+    dissipated;
+    dissipated_target;
+    dissipated_target_base = 50;
+
+    gravity = .008;
+    thresh_crit = 5.00;
+    max_size = (Math.min(gameCanvas.width, gameCanvas.height) / 2) + 100;
+    pulse_min_str = 7;
+    pulse_max_str = 20;
+    pulse_vel_base = 70.0;
+
+    angle = 1;
+    omega = 1.0;
+
+    init(difficulty) {
+        view = globalView();
+        const STRAD = 9;
+        const DIFFMUL = 3;
+        var starRadius = STRAD + difficulty * DIFFMUL;
+        this.star = new Star(starRadius, difficulty);
+        this.pulses = [];
+        this.player = Ship.AboveRadius(starRadius, this.max_size);
+        this.dissipated = 0;
+        this.dissipated_target = this.dissipated_target_base + 1 * (difficulty * 1.2);
+        this.omega = 1.0 + (0.2 * difficulty);
+        this.running = true;
+    }
+
+    stop() {
+        this.running = false;
+        // console.log('stop the world');
+    }
+
+    dissipate(energy) {
+        this.dissipated += energy;
+        debugKey('dissipated', this.dissipated);
+    }
+
+    update(dt) {
+        this.angle = (this.angle + this.omega * dt) % (2 * Math.PI);
+        this.player.update(dt);
+        this.star.update(dt);
+        this.pulses.forEach((p) => p.update(dt));
+        this.pulses = this.pulses.filter((p) => { return p.is_alive() });
+        if (this.dissipated > this.dissipated_target) {
+            victory();
+        }
+    }
+
+    render() {
+        ctx.fillStyle = "#151515";
+        ctx.strokeStyle = "#eeeeee";
+        ctx.fillRect(0,0, gameCanvas.width, gameCanvas.height);
+        this.star.render(ctx);
+        this.pulses.forEach((p) => p.render(ctx));
+        this.player.render(ctx);
+        // debugP.textContent = JSON.stringify(getDebugInfo());
+
+        // this.renderSpin();
+    }
+
+    renderSpin() {
+        ctx.fillStyle = "#ff1515";
+        ctx.strokeStyle = "#ff1515";
+        var p = view.project(new Vec2(Math.cos(this.angle),
+                                      Math.sin(this.angle)).scale(this.star.radius + 5));
+        drawSquare(ctx, p, 4);
+        var center = view.project(Vec2.zero());
+        var radius = center.sub(p).length();
+
+        ctx.beginPath();
+        ctx.arc(center.x, center.y, radius, -this.angle, -this.angle - 0.4, true);
+        ctx.stroke();
+    }
+}
+
+var theCosmos = new Cosmos();
+var ctx = gameCanvas.getContext("2d");
+
+window.cosmos = theCosmos;
+
+function getCosmos() {
+    return theCosmos;
+}
+
+export {
+    Cosmos,
+    getCosmos,
+}
-- 
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