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BangleApps
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new instant speed

master
frederic wagner 2022-09-13 17:19:42 +02:00
parent bf937837de
commit c0c6e5c2bd
2 changed files with 8 additions and 3 deletions
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1
apps/gipy/ChangeLog
View File

@ -51,3 +51,4 @@
* Buzzing 100m ahead instead of 50m.
* Detect sharp turns.
* Display instant speed.
* New instant speed algorithm.

10
apps/gipy/app.js
View File

@ -62,12 +62,16 @@ class Status {
let last_point = this.old_points[this.old_points.length - 1];
let oldest_point = this.old_points[0];
this.instant_speed =
oldest_point.distance(last_point) / (now - this.old_times[0]);
if (this.old_points.length == 8) {
if (this.old_points.length == 6) {
let p1 = this.old_points[0].plus(this.old_points[1]).plus(this.old_points[2]).times(1/3);
let p2 = this.old_points[3].plus(this.old_points[4]).plus(this.old_points[5]).times(1/3);
this.instant_speed = p1.distance(p2) / (this.old_times[4] - this.old_times[1]);
this.old_points.shift();
this.old_times.shift();
} else {
this.instant_speed =
oldest_point.distance(last_point) / (now - this.old_times[0]);
}
// let's just take angle of segment between newest point and a point a bit before
let previous_index = this.old_points.length - 3;