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controller: clean up GameContext a bit

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This commit is contained in:
Matthias Schiffer 2018-10-31 23:13:52 +01:00
parent 5372d1b417
commit 1ae0884a73
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
2 changed files with 16 additions and 16 deletions
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19
src/controller/gamecontext.ts
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@ -10,14 +10,6 @@ import { getJSON } from '../util';
import { vec2 } from 'gl-matrix';
function snapToGrid(out: vec2, a: vec2): void {
const res = 64;
vec2.scale(out, a, res);
vec2.round(out, out);
vec2.scale(out, out, 1 / res);
}
export class GameContext {
public static async load(renderer: Renderer): Promise<GameContext> {
const [
@ -66,10 +58,7 @@ export class GameContext {
}
private updateTime(time: number): number {
let diff = 0;
if (this.time !== null)
diff = time - this.time;
const diff = this.time !== null ? time - this.time : 0;
this.time = time;
return diff;
@ -78,8 +67,10 @@ export class GameContext {
private update(time: number): void {
const diff = this.updateTime(time);
vec2.scaleAndAdd(this.entityPos, this.entityPos, this.entityMovement, diff * this.speed);
snapToGrid(this.entityPos, this.entityPos);
if (vec2.sqrLen(this.entityMovement) > 0)
vec2.scaleAndAdd(this.entityPos, this.entityPos, this.entityMovement, diff * this.speed);
else
this.renderer.snapToGrid(this.entityPos, this.entityPos);
}
private render = (time: number) => {