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use kalman filter for spinning

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This commit is contained in:
mig 2017-05-19 22:25:30 +02:00
parent d7ce85d358
commit 1fe9fab785
1 changed files with 13 additions and 3 deletions
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16
src/browser/jocly.xd-view.js
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@ -2840,6 +2840,16 @@ if (window.JoclyXdViewCleanup)
}
function SpinCamera(options) {
function GetKalman() {
var R = .001;
if(typeof options.smooth!="undefined")
R = options.smooth;
return new KalmanFilter({R: R});
}
var kalman = {
x: GetKalman(),
y: GetKalman(),
}
var x0 = threeCtx.cameraControls.camTarget.x;
var y0 = threeCtx.cameraControls.camTarget.z;
var x1 = threeCtx.body.position.x;
@ -2865,8 +2875,8 @@ if (window.JoclyXdViewCleanup)
threeCtx.animateCallbacks["dolly"] = {
_this: null,
callback: function() {
threeCtx.body.position.x = x0 + radius * Math.cos(state.angle);
threeCtx.body.position.z = y0 + radius * Math.sin(state.angle);
threeCtx.body.position.x = kalman.x.filter(x0 + radius * Math.cos(state.angle));
threeCtx.body.position.z = kalman.y.filter(y0 + radius * Math.sin(state.angle));
}
};
StartSpinning();
@ -2876,7 +2886,7 @@ if (window.JoclyXdViewCleanup)
function MoveCamera(options) {
function GetKalman() {
var R = .2;
var R = .001;
if(typeof options.smooth!="undefined")
R = options.smooth;
return new KalmanFilter({R: R});