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added lastDelta and lastElapsed to engine.timing

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liabru 2021-03-16 23:59:13 +00:00
parent 081645474c
commit 6dc703f9a9
1 changed files with 9 additions and 1 deletions
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10
src/core/Engine.js
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@ -54,7 +54,9 @@ var Body = require('../body/Body');
plugin: {}, plugin: {},
timing: { timing: {
timestamp: 0, timestamp: 0,
timeScale: 1 timeScale: 1,
lastDelta: 0,
lastElapsed: 0
}, },
broadphase: { broadphase: {
controller: Grid controller: Grid
@ -111,6 +113,8 @@ var Body = require('../body/Body');
* @param {number} [correction=1] * @param {number} [correction=1]
*/ */
Engine.update = function(engine, delta, correction) { Engine.update = function(engine, delta, correction) {
var startTime = Common.now();
delta = delta || 1000 / 60; delta = delta || 1000 / 60;
correction = correction || 1; correction = correction || 1;
@ -122,6 +126,7 @@ var Body = require('../body/Body');
// increment timestamp // increment timestamp
timing.timestamp += delta * timing.timeScale; timing.timestamp += delta * timing.timeScale;
timing.lastDelta = delta * timing.timeScale;
// create an event object // create an event object
var event = { var event = {
@ -229,6 +234,9 @@ var Body = require('../body/Body');
Events.trigger(engine, 'afterUpdate', event); Events.trigger(engine, 'afterUpdate', event);
// log the time elapsed computing this update
engine.timing.lastElapsed = Common.now() - startTime;
return engine; return engine;
}; };