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Computing movement amount from framerate

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Depending on the amount of power a computer has, the framerate will not be the same.
Hence, the amount of movement of a user should be constant on each frame.
If a frame was slow to print, the movement should be higher to keep a constant speed.

This PR takes the framerate into account when moving the players.
This commit is contained in:
David Négrier 2020-04-18 17:16:39 +02:00
parent 0f2e21e88e
commit 46fcb86b28
2 changed files with 15 additions and 10 deletions
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8
front/src/Phaser/Game/GameScene.ts
View File

@ -182,8 +182,12 @@ export class GameScene extends Phaser.Scene implements GameSceneInterface{
}); });
} }
update() : void { /**
this.CurrentPlayer.moveUser(); * @param time
* @param delta The delta time in ms since the last frame. This is a smoothed and capped value based on the FPS rate.
*/
update(time: number, delta: number) : void {
this.CurrentPlayer.moveUser(delta);
} }
/** /**

17
front/src/Phaser/Player/Player.ts
View File

@ -9,7 +9,7 @@ export interface CurrentGamerInterface extends PlayableCaracter{
userId : string; userId : string;
PlayerValue : string; PlayerValue : string;
initAnimation() : void; initAnimation() : void;
moveUser() : void; moveUser(delta: number) : void;
say(text : string) : void; say(text : string) : void;
} }
@ -57,31 +57,32 @@ export class Player extends PlayableCaracter implements CurrentGamerInterface, G
}) })
} }
moveUser(): void { moveUser(delta: number): void {
//if user client on shift, camera and player speed //if user client on shift, camera and player speed
let haveMove = false; let haveMove = false;
let direction = null; let direction = null;
let activeEvents = this.userInputManager.getEventListForGameTick(); let activeEvents = this.userInputManager.getEventListForGameTick();
let speedMultiplier = activeEvents.get(UserInputEvent.SpeedUp) ? 500 : 100; let speedMultiplier = activeEvents.get(UserInputEvent.SpeedUp) ? 25 : 9;
let moveAmount = speedMultiplier * delta;
if (activeEvents.get(UserInputEvent.MoveUp)) { if (activeEvents.get(UserInputEvent.MoveUp)) {
this.move(0, -speedMultiplier); this.move(0, -moveAmount);
haveMove = true; haveMove = true;
direction = PlayerAnimationNames.WalkUp; direction = PlayerAnimationNames.WalkUp;
} }
if (activeEvents.get(UserInputEvent.MoveLeft)) { if (activeEvents.get(UserInputEvent.MoveLeft)) {
this.move(-speedMultiplier, 0); this.move(-moveAmount, 0);
haveMove = true; haveMove = true;
direction = PlayerAnimationNames.WalkLeft; direction = PlayerAnimationNames.WalkLeft;
} }
if (activeEvents.get(UserInputEvent.MoveDown)) { if (activeEvents.get(UserInputEvent.MoveDown)) {
this.move(0, speedMultiplier); this.move(0, moveAmount);
haveMove = true; haveMove = true;
direction = PlayerAnimationNames.WalkDown; direction = PlayerAnimationNames.WalkDown;
} }
if (activeEvents.get(UserInputEvent.MoveRight)) { if (activeEvents.get(UserInputEvent.MoveRight)) {
this.move(speedMultiplier, 0); this.move(moveAmount, 0);
haveMove = true; haveMove = true;
direction = PlayerAnimationNames.WalkRight; direction = PlayerAnimationNames.WalkRight;
} }
@ -103,4 +104,4 @@ export class Player extends PlayableCaracter implements CurrentGamerInterface, G
this.setX(MessageUserPosition.position.x); this.setX(MessageUserPosition.position.x);
this.setY(MessageUserPosition.position.y); this.setY(MessageUserPosition.position.y);
} }
} }