asif/ab-particles
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add connection and connection density params

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Asif Bacchus 2020-04-08 07:21:24 -06:00
parent 99ddb6793f
commit 384589e9a2
1 changed files with 26 additions and 2 deletions
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26
js/particles.js
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@ -114,7 +114,7 @@ function particles(){
for (let a = 0; a < particlesArray.length; a++){
for (let b = a; b < particlesArray.length; b++){
let distance = ((particlesArray[a].x - particlesArray[b].x) * (particlesArray[a].x - particlesArray[b].x)) + ((particlesArray[a].y - particlesArray[b].y) * (particlesArray[a].y - particlesArray[b].y));
if (distance < (canvas.width / 10) * (canvas.height / 10)){
if (distance < (canvas.width / connectionDensity) * (canvas.height / connectionDensity)){
opacityValue = 1 - (distance / 20000);
// change colour on 'hover' if hover = true (default)
if(hover){
@ -154,8 +154,10 @@ function particles(){
for (let i = 0; i < particlesArray.length; i++){
particlesArray[i].update();
}
if(connections){
connect();
}
}
// resize event
window.addEventListener('resize', function(){
@ -197,6 +199,28 @@ function particles(){
console.log("'sizeMultiplier' must be a finite number. Using default of '3'");
};
if (typeof connections == 'undefined'){
connections = true;
}
else if (typeof connections === 'boolean'){
connections;
}
else{
connections = true;
console.log("'connections' must be either 'true' or 'false'. Using default of 'true'");
}
if (typeof connectionDensity == 'undefined'){
connectionDensity = 7;
}
else if (Number.isFinite(connectionDensity) && connectionDensity > 1){
connectionDensity;
}
else{
connectionDensity = 7;
console.log("'connectionDensity' must be a finite number greater than 1. Using default of '7'");
}
if (typeof speed == 'undefined'){
speed = 50;
}