// easycalc.js - Calculator for 8-count sheet page
// $Id: easycalc.js,v 1.4 2007/01/04 17:49:21 cheer Exp $
function modifyText(id, text) {
if (document.getElementById) {
document.getElementById(id).innerHTML = text;
}
}
// init code
var time = new Slider(document.getElementById("time-slider"), document.getElementById("time-slider-input"));
time.setMaximum(180);
var BPM = new Slider(document.getElementById("bpm-slider"), document.getElementById("bpm-slider-input"));
BPM.setMinimum(90);
BPM.setMaximum(200);
var bpmi = document.getElementById("bpm-input");
bpmi.onchange = function () {
BPM.setValue(parseInt(this.value));
};
var eci = document.getElementById("8c_input");
time.onchange = function() {
var t = time.getValue();
var mins = t/60;
var secs = t%60;
modifyText('minutes', Math.floor(mins));
modifyText('seconds', secs);
calc8c();
if (typeof window.onchange == "function")
window.onchange();
}
BPM.onchange = function () {
bpmi.value = BPM.getValue();
calc8c();
if (typeof window.onchange == "function")
window.onchange();
};
resetMusicCalc();
// end init
function resetMusicCalc() {
time.setValue(30);
BPM.setValue(136);
}
function calc8c () {
var timeInSecs = time.getValue();
var beatsPerMin = BPM.getValue();
var beatsPerSec = beatsPerMin/60;
var totalBeats = beatsPerSec * timeInSecs;
var eightCounts = totalBeats/8;
eci.value = Math.floor(eightCounts);
modifyText('the_eight_counts', Math.floor(eightCounts));
}
function calcTheBPMs ()
{
var timeInSecs = time.getValue();
var eightCounts = eci.value;
var bpmcalc_o = BPM.getValue();
var totalbeats = eightCounts*8;
var beatsPerSec = totalbeats/timeInSecs;
var bpmcalcs = beatsPerSec * 60;
if(bpmcalcs < 100 ){
return 1;
}
else if(bpmcalcs > 190){
return 1;
}
else{
var bpmvalue = Math.floor(bpmcalcs);
bpmi.value = bpmvalue;
BPM.setValue(bpmvalue);
return 0;
}
return 0;
}
function generateSheet()
{
var teamName = document.getElementById("team_name");
myRef = window.open('','mywin','left=20,top=20,width=500,height=500,toolbar=1,resizable=1,scrollbars=yes');
var tmp = myRef.document;
tmp.write('')
tmp.write(''+ teamName.value + ' Custom 8-Count Music Sheet
');
tmp.write('Generated by: Cheerleadingremixes.com
');
var musiclen = time.getValue();
var thebpms = BPM.getValue();
var therows = eci.value;
var cnt = 1;
tmp.write('Music Time:' + musiclen + '
');
tmp.write('Total 8-counts:' + therows + '
')
tmp.write('Beats Per Minute (BPM):' + thebpms + '
');
while( cnt <= therows)
{
tmp.write('');
tmp.write('');
tmp.write('| ' + cnt + ' | ');
for(var i=1; i<=8; i++)
{
var bg = "#ffffff";
if( i%2 == 0) bg = "#ededed";
if( i == 8) tmp.write('' + i + ' | ');
else tmp.write('' + i + ' | ');
}
tmp.write('
');
for(var i=1; i<=8; i++)
{
var bg = "#ffffff";
if( i%2 == 0) bg = "#ededed";
if( i == 8) tmp.write('| | ');
else tmp.write(' | ');
}
tmp.write('
');
tmp.write('| song: |
');
tmp.write('
');
cnt++;
}
tmp.write('');
tmp.close();
}
function setRgb(r, g, b) {
time.setValue(time);
BPM.setValue(g);
}
function getRgb() {
return {
r: time.getValue(),
g: BPM.getValue(),
b: 0
};
}
function fixSize() {
time.recalculate();
BPM.recalculate();
}
window.onresize = fixSize;
fixSize();