curioustorvald/Terrarum
1
0
Fork 0
mirror of https://github.com/curioustorvald/Terrarum.git synced 2026-03-10 05:41:51 +09:00
Code Issues Packages Projects Releases Wiki Activity

test impl kalman delta on gdx

Browse Source
This commit is contained in:
minjaesong
2019-01-22 06:11:31 +09:00
parent 86fdeaf096
commit a59a1d5c2f
3 changed files with 760 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/net/torvald/terrarum/AppLoader.java
View File

@@ -267,17 +267,19 @@ public class AppLoader implements ApplicationListener {
// TODO implement nonlinear kalman filter
// kalman filter is calculated but not actually being used.
// the problem with this kalman filter is that it assumes most simplistic situation:
// 1. the actual delta (measured delta - noise) is constant
// The problem with this kalman filter is that it assumes most simplistic situation:
// 1. the actual delta (measured delta - noise) is constant (that is, not constantly increasing or something)
// 2. everything is linear
// we may need to implement Extended Kalman Filter but wtf is Jacobian, I suck at maths.
// Instead, the kalman filter will reset when new delta is given-value-times greater/lesser
// it's not perfect but it works.
// We may need to implement Extended Kalman Filter but what is Jacobian, I suck at maths.
//
// Instead, this implementation will reset itself when difference in magnitude between
// old and new is greater than set value.
//
// It's not perfect but it works, much better than averaging.
double observation = ((double) Gdx.graphics.getRawDeltaTime());
if (getMul(observation, _kalman_return_value) >= 1.2) {
if (getMul(observation, _kalman_return_value) >= 2.0) {
resetDeltaSmoothingHistory();
}

5
src/net/torvald/terrarum/modulebasegame/Ingame.kt
View File

@@ -476,6 +476,11 @@ open class Ingame(batch: SpriteBatch) : IngameInstance(batch) {
AppLoader.debugTimers["Ingame.render"] = measureNanoTime { renderGame() }
AppLoader.debugTimers["Ingame.render-Light"] =
(AppLoader.debugTimers["Ingame.render"] as Long) - ((AppLoader.debugTimers["Renderer.LightTotal"] as? Long) ?: 0)
AppLoader.debugTimers["Gdx.deltaRaw"] = Gdx.graphics.rawDeltaTime.times(1_000_000_000).toLong()
AppLoader.debugTimers["Gdx.deltaSmt"] = Gdx.graphics.deltaTime.times(1_000_000_000).toLong()
}
protected fun updateGame(delta: Float) {