intval3/app/www/static/js/intval.core.js

162 lines
4.5 KiB
JavaScript

'use strict';
const BOLEX = {
angle : 133,
prism : 0.8,
expected : 630
};
const STATE = {
dir : true,
exposure : 630, //always ms
delay : 0,
scale : 'ms',
delayScale : 'ms',
counter : 0
};
//functions
window.frame = null;
window.getState = null;
window.setDir = null;
window.setExposure = null;
window.setDelay = null;
window.setCounter = null;
//ms
var shutter = function (exposure) {
let fraction = BOLEX.expected / 1000;
let speed;
let corrected;
let str;
if (exposure > BOLEX.expected) {
//if exposure is explicitly set
fraction = exposure / 1000;
speed = fraction;
} else {
speed = fraction * (BOLEX.angle / 360);
}
corrected = speed * BOLEX.prism;
if (corrected < 1.0) {
//less than a second
str = '1/' + Math.round(Math.pow(corrected, -1)) + ' sec';
} else if (corrected >= 1.0 && corrected < 60) {
//greater than a second, less than a minute
str = '' + (Math.round(corrected * 10) / 10) + ' sec'
} else if (corrected >= 60 && corrected < 60 * 60) {
//greater than a minute, less than an hour
str = '' + (Math.round(corrected / 6) / 10) + ' min';
} else if (corrected >= 60 * 60 && corrected < 60 * 60 * 24) {
//greater than an hour, less than a day
str = '' + (Math.round(corrected / (6 * 60)) / 10) + ' hr';
} else if (corrected >= 60 * 60 * 24) {
//greater than a day
str = '' + (Math.round(corrected / (6 * 60 * 24)) / 10) + ' day';
}
return { speed : speed, str : str }
};
var scaleAuto = function (ms) {
if (ms < 1000) {
return 'ms'
} else if (ms >= 1000 && ms < 1000 * 60) {
return 'sec'
} else if (ms >= 1000 * 60 && ms < 1000 * 60 * 60) {
return 'min'
} else if (ms >= 1000 * 60 * 60) {
return 'hour'
}
};
var scaleTime = function (raw, scale) {
if (scale === 'ms') {
return raw
} else if (scale === 'sec') {
return raw * 1000;
} else if (scale === 'min') {
return raw * (1000 * 60);
} else if (scale === 'hour') {
return raw * (1000 * 60 * 60);
}
};
var setExposureScale = function () {
const scale = document.getElementById('scale').value;
const elem = document.getElementById('exposure');
if (scale === 'ms') {
elem.value = STATE.exposure;
} else if (scale === 'sec') {
elem.value = STATE.exposure / 1000;
} else if (scale === 'min') {
elem.value = STATE.exposure / (1000 * 60);
} else if (scale === 'hour') {
elem.value = STATE.exposure / (1000 * 60 * 60);
}
STATE.scale = scale;
};
var setDelayScale = function () {
const scale = document.getElementById('scale').value;
const elem = document.getElementById('delay');
if (scale === 'ms') {
elem.value = STATE.delay;
} else if (scale === 'sec') {
elem.value = STATE.delay / 1000;
} else if (scale === 'min') {
elem.value = STATE.delay / (1000 * 60);
} else if (scale === 'hour') {
elem.value = STATE.delay / (1000 * 60 * 60);
}
STATE.delayScale = scale;
};
var setDirLabel = function (dir) {
const bwdLabel = document.getElementById('bwdLabel');
const fwdLabel = document.getElementById('fwdLabel');
if (dir) {
bwdLabel.classList.remove('selected')
fwdLabel.classList.add('selected')
} else {
fwdLabel.classList.remove('selected')
bwdLabel.classList.add('selected')
}
};
var incCounter = function (val) {
const elem = document.getElementById('counter');
const current = elem.value;
elem.value = (parseInt(current) + val);
STATE.counter += val;
};
var forceCounter = function (val) {
document.getElementById('counter').value = val;
}
var unsetPages = function () {
const pages = document.getElementsByClassName('page');
const icons = document.getElementsByClassName('icon');
for (let icon of icons) {
if (icon.classList.contains('selected')) icon.classList.remove('selected');
}
for (let page of pages){;
if (page.classList.contains('selected')) page.classList.remove('selected');
}
};
var appPage = function () {
unsetPages();
document.getElementById('app').classList.add('selected');
document.getElementById('appIcon').classList.add('selected');
};
var settingsPage = function () {
unsetPages();
document.getElementById('settings').classList.add('selected');
document.getElementById('settingsIcon').classList.add('selected');
};
var sequencerPage = function () {
unsetPages();
document.getElementById('sequencer').classList.add('selected');
document.getElementById('sequencerIcon').classList.add('selected');
};
var mscriptPage = function () {
unsetPages();
document.getElementById('mscript').classList.add('selected');
document.getElementById('mscriptIcon').classList.add('selected');
};
var isNumeric = function (n) {
return !isNaN(parseFloat(n)) && isFinite(n);
};