workadventure/front/src/Phaser/Game/PlayerMovement.ts

48 lines
1.7 KiB
TypeScript

import { MAX_EXTRAPOLATION_TIME } from "../../Enum/EnvironmentVariable";
import type { PositionInterface } from "../../Connexion/ConnexionModels";
import type { HasPlayerMovedEvent } from "../../Api/Events/HasPlayerMovedEvent";
export class PlayerMovement {
public constructor(
private startPosition: PositionInterface,
private startTick: number,
private endPosition: HasPlayerMovedEvent,
private endTick: number
) {}
public isOutdated(tick: number): boolean {
//console.log(tick, this.endTick, MAX_EXTRAPOLATION_TIME)
// If the endPosition is NOT moving, no extrapolation needed.
if (this.endPosition.moving === false && tick > this.endTick) {
return true;
}
return tick > this.endTick + MAX_EXTRAPOLATION_TIME;
}
public getPosition(tick: number): HasPlayerMovedEvent {
// Special case: end position reached and end position is not moving
if (tick >= this.endTick && this.endPosition.moving === false) {
//console.log('Movement finished ', this.endPosition)
return this.endPosition;
}
const x =
(this.endPosition.x - this.startPosition.x) * ((tick - this.startTick) / (this.endTick - this.startTick)) +
this.startPosition.x;
const y =
(this.endPosition.y - this.startPosition.y) * ((tick - this.startTick) / (this.endTick - this.startTick)) +
this.startPosition.y;
//console.log('Computed position ', x, y)
return {
x,
y,
oldX: this.startPosition.x,
oldY: this.startPosition.y,
direction: this.endPosition.direction,
moving: this.endPosition.moving,
};
}
}