mascully/improcket
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General improvements

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I forgot what I actually changed. It may not even be playable, I just want to get this up there.
This commit is contained in:
Asraelite 2023-03-31 11:43:56 +02:00
parent 8a0bf0ada9
commit c73130e3ff
25 changed files with 584 additions and 274 deletions
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16
js/world/body.mjs
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@ -72,13 +72,15 @@ export default class Body {
}
tickGravity(bodies, speed = 1) {
bodies.forEach(b => {
let force = b.mass / (this.distanceTo(b) ** 2) * G;
let [[ax, ay], [bx, by]] = [this.com, b.com];
for (let body of bodies) {
const distanceSquared = this.distanceToSquared(body);
if (distanceSquared > (1000 ** 2)) continue;
let force = body.mass / distanceSquared * G;
let [[ax, ay], [bx, by]] = [this.com, body.com];
let angle = Math.atan2(by - ay, bx - ax);
this.xvel += Math.cos(angle) * force * speed;
this.yvel += Math.sin(angle) * force * speed;
});
}
}
distanceTo(body) {
@ -87,6 +89,12 @@ export default class Body {
((by - ay) ** 2)), 1);
}
distanceToSquared(body) {
let [[ax, ay], [bx, by]] = [this.com, body.com];
return Math.max(((bx - ax) ** 2) +
((by - ay) ** 2), 1);
}
angleTo(ax, ay, bx, by) {
return Math.atan2(by - ay, bx - ax);
}