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perf: use raw iterator

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This commit is contained in:
cha0s 2019-05-03 23:50:31 -05:00
parent e3a76de12b
commit 7b292070e1
1 changed files with 10 additions and 4 deletions
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14
packages/physics/abstract/world.js
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@ -37,11 +37,17 @@ export class AbstractWorld extends decorate(class {}) {
}
tick(elapsed) {
this.tickPhysics(elapsed);
}
tickPhysics(elapsed) {
// Propagate position updates.
for (let i = 0; i < this.entitiesList.length; ++i) {
const entity = this.entitiesList[i];
const it = this.entities.entries();
for (let value = it.next(); value.done !== true; value = it.next()) {
const body = value.value[0];
const entity = value.value[1];
const entityPosition = entity.position;
const bodyPosition = entity.body.position;
const bodyPosition = body.position;
// Hot.
if (
(entityPosition[0] << 0) === (bodyPosition[0] << 0)
@ -49,7 +55,7 @@ export class AbstractWorld extends decorate(class {}) {
) {
continue;
}
entity.setPosition(entity.body.position);
entity.setPosition(body.position);
}
}