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Heartrate monitor optimizations & comments

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This commit is contained in:
Silas Bartha 2020-04-18 05:15:44 -04:00
parent 44a42ba4c8
commit 138f27a691
2 changed files with 32 additions and 18 deletions
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38
docs/assets/js/UI/ui.js
View File

@ -25,32 +25,42 @@ function drawEndUI() {
function rectUI() {};
//Heart rate monitor history
var heartBeatHistory = []
let heartBeatHistory = []
heartBeatHistory.length = constants.ui.heartRate.history_length;
heartBeatHistory.fill(0);
//Shift accumulation
var shiftAccum = 0;
let shiftAccum = 0;
//Beat progression
var beatTimeElapsed = 0;
let beatTimeElapsed = 0;
// Draw heartbeat UI
function heartBeatUI(x, y, width, height){
//Shift monitor over once a full scrolling unit is accumulated
shiftAccum += constants.ui.heartRate.scroll_speed;
if(shiftAccum>=1){
shiftAccum%=1;
beatTimeElapsed += 0.04;
//Remove oldest value
heartBeatHistory.shift();
//Append new value
pushNextBeatValue();
}
if(timeSinceLastBeat===0){
//If heart is beaten, reset beat timer.
if(heartBeat){
beatTimeElapsed = 0;
heartBeat = false;
}
//Backdrop
rect(x+width/2,y+height/2,width,height,"black");
//Graph
for (let index = 0; index < heartBeatHistory.length; index++) {
const qrsValueAtPosition = heartBeatHistory[index];
const qrsValueAtNextPosition = heartBeatHistory[index+1];
@ -58,28 +68,34 @@ function heartBeatUI(x, y, width, height){
}
}
//Determine next value to be added to the graph
function pushNextBeatValue(){
var nextBeatValue = 0;
let nextBeatValue = 0;
//Timespan of one "square" on the EKG
const squareSize = constants.ui.heartRate.square_size;
//Length of full complex
const complexTime = constants.ui.heartRate.complex_width*squareSize;
//Length of PR segment of complex
const prTime = constants.ui.heartRate.pr_width*squareSize;
//Length of QRS component of complex
const qrsTime = constants.ui.heartRate.qrs_width*squareSize;
//Length of QT component of complex
const qtTime = constants.ui.heartRate.qt_width*squareSize;
if(beatTimeElapsed<=complexTime) {
//PR Segment
if (beatTimeElapsed <= prTime) {
nextBeatValue = 0.5*(Math.pow((beatTimeElapsed/squareSize - (prTime/2/squareSize)), 2)) - 2;
} else if (beatTimeElapsed > prTime + squareSize && beatTimeElapsed <= prTime + squareSize + (qrsTime / 4)) {
} else if (beatTimeElapsed > prTime + squareSize && beatTimeElapsed <= prTime + squareSize + (qrsTime / 4)) { //QRS Segment pt. 1
nextBeatValue = -4 + beatTimeElapsed/squareSize;
} else if (beatTimeElapsed > prTime + squareSize + qrsTime / 4 && beatTimeElapsed <= prTime + squareSize + qrsTime / 2) {
} else if (beatTimeElapsed > prTime + squareSize + qrsTime / 4 && beatTimeElapsed <= prTime + squareSize + qrsTime / 2) { //QRS Segment pt. 2
nextBeatValue = -14 * (beatTimeElapsed/squareSize - 4.5) - 0.5;
} else if (beatTimeElapsed > prTime + squareSize + qrsTime / 2 && beatTimeElapsed <= prTime + squareSize + (3*qrsTime / 4)) {
} else if (beatTimeElapsed > prTime + squareSize + qrsTime / 2 && beatTimeElapsed <= prTime + squareSize + (3*qrsTime / 4)) { //QRS Segment pt. 3
nextBeatValue = 7 * (beatTimeElapsed/squareSize - 5) - 6.5;
} else if (beatTimeElapsed > prTime + squareSize + (3*qrsTime / 4) && beatTimeElapsed <= prTime + squareSize + qrsTime) {
} else if (beatTimeElapsed > prTime + squareSize + (3*qrsTime / 4) && beatTimeElapsed <= prTime + squareSize + qrsTime) { //QRS Segment pt. 4
nextBeatValue = 2 * (beatTimeElapsed/squareSize - 6);
} else if (beatTimeElapsed > prTime + squareSize*2 + qrsTime && beatTimeElapsed <= prTime + squareSize*2 + qrsTime + qtTime) {
} else if (beatTimeElapsed > prTime + squareSize*2 + qrsTime && beatTimeElapsed <= prTime + squareSize*2 + qrsTime + qtTime) { //PT Segment
nextBeatValue = 0.5 * Math.pow((beatTimeElapsed/squareSize - (prTime + squareSize*2 + qrsTime + qtTime/2)/squareSize),2) - 3;
}
}

12
docs/assets/js/player/lifeFunctions.js
View File

@ -1,9 +1,9 @@
var breath = 180;
var fullBreathTimer = 0;
var heartRate = 60;
let breath = 180;
let fullBreathTimer = 0;
let heartRate = 60;
var timeSinceLastBeat = 0;
let heartBeat = false;
function updateLife() {
@ -16,8 +16,6 @@ function updateLife() {
if(keyPress[k.x]) {
heartbeat();
} else {
timeSinceLastBeat++;
}
};
@ -38,6 +36,6 @@ function breathe() {
};
function heartbeat() {
timeSinceLastBeat = 0;
heartBeat = true;
};