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Use deltaTIme to ensure sand updates are somewhat uniform

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barnold1953 2014-07-16 12:06:48 -07:00
parent 77b2dd695d
commit 44cf662904
1 changed files with 10 additions and 1 deletions
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11
examples/fallingSand.js
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@ -446,8 +446,17 @@ var numAdjacentVoxels = 0;
//Stores a list of voxels we need to activate
var activateMap = {};
function update() {
var UPDATES_PER_SECOND = 12.0; // frames per second
var frameIndex = 0.0;
var oldFrameIndex = 0;
function update(deltaTime) {
frameIndex += deltaTime * UPDATES_PER_SECOND;
if (Math.floor(frameIndex) == oldFrameIndex) {
return;
}
oldFrameIndex++;
//Clear the activate map each frame
activateMap = {};