mascully/improcket
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Add collectable items

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This commit is contained in:
asraelite 2018-03-05 23:53:32 +00:00
parent 826986cdbf
commit 69fee5e73d
10 changed files with 131 additions and 52 deletions
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11
js/world/body.mjs
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@ -24,6 +24,15 @@ export default class Body {
return Math.sqrt(this.xvel ** 2 + this.yvel ** 2);
}
getCelestialCollision(celestials) {
let result = false;
celestials.forEach(c => {
let dis = this.distanceTo(c);
if (dis < c.radius) result = c;
});
return result;
}
getWorldPoint(lx, ly) {
let [cx, cy] = this.localCom;
let [nx, ny] = this.rotateVector(lx - cx, ly - cy, this.r);
@ -55,7 +64,7 @@ export default class Body {
tickGravity(bodies) {
bodies.forEach(b => {
let force = b.mass / this.mass / (this.distanceTo(b) ** 2) * G;
let force = b.mass / (this.distanceTo(b) ** 2) * G;
let [[ax, ay], [bx, by]] = [this.com, b.com];
let angle = Math.atan2(by - ay, bx - ax);
this.xvel += Math.cos(angle) * force;