“Particules éternelles” by Thomas O Fredericks
https://openprocessing.org/sketch/415545
License CreativeCommons Attribution ShareAlike
https://creativecommons.org/licenses/by-sa/3.0
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Particules éternelles
O Fredericks
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var tableauDeParticules = [];
// SETUP
function setup() {
createCanvas(windowWidth, windowHeight);
background(100);
}
// DRAW
function draw() {
background(255);
// AJOUTER DES PARTICULES SI LA SOURIS EST APPUYEE
if ( mouseIsPressed ) {
// x , y , vitesseX , vitesseY
tableauDeParticules.push( new Particule( mouseX , mouseY , random(-5,5) , random(-5,5) ) );
}
// BOUGER ET DESSINER LES PARTICULES EXISTENTES
for ( var i = 0; i < tableauDeParticules.length ; i = i + 1 ) {
tableauDeParticules[i].bouger();
tableauDeParticules[i].dessiner();
}
// DESSINER LE NOMBRE DE PARTICULES A L'ECRAN
text( "Particules : "+ tableauDeParticules.length , width*0.5 , height*0.5 );
}
var Particule = function(x ,y , vitesseX , vitesseY) {
this.x = x;
this.y = y;
this.vitesseX = vitesseX;
this.vitesseY = vitesseY;
this.couleur = color( random( 256) , random( 256) , random( 256) );
this.vivant = true;
this.bouger = function() {
this.x = this.x + this.vitesseX;
this.y = this.y + this.vitesseY;
}
this.dessiner = function() {
fill ( this.couleur );
ellipse( this.x , this.y , 30 , 30);
}
}
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