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fix: ball gets stuck in wall in some timing edge cases

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sigmasternchen 2024-11-01 19:01:37 +01:00
parent fbeb9254ae
commit e357656d00
1 changed files with 12 additions and 0 deletions
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12
src/game/Ball.ts
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@ -3,12 +3,17 @@ import {ballSize} from "./geometry";
import {choice} from "../utils"; import {choice} from "../utils";
import {defaultBallSpeed, startAngles} from "./parameters"; import {defaultBallSpeed, startAngles} from "./parameters";
const sameWallCollisionTimeout: number = 50;
export class Ball { export class Ball {
public position: Position; public position: Position;
private phi: number; private phi: number;
private speed: number; private speed: number;
private readonly element: HTMLElement; private readonly element: HTMLElement;
private lastCollisionWallAngle: number;
private lastCollisionTimestamp: number;
constructor() { constructor() {
this.position = new Position(0, 0); this.position = new Position(0, 0);
@ -41,7 +46,14 @@ export class Ball {
} }
public readonly collision = (wallAngle: number): void => { public readonly collision = (wallAngle: number): void => {
if (wallAngle == this.lastCollisionWallAngle && (Date.now() - this.lastCollisionTimestamp) < sameWallCollisionTimeout) {
return;
}
this.phi = 2 * wallAngle - this.phi; this.phi = 2 * wallAngle - this.phi;
this.phi -= (0|(this.phi / (Math.PI*2))) * Math.PI * 2; this.phi -= (0|(this.phi / (Math.PI*2))) * Math.PI * 2;
this.lastCollisionWallAngle = wallAngle;
this.lastCollisionTimestamp = Date.now();
} }
} }