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Person.js
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Person.js
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class Person{
constructor(x, y){
//color of levels
this.levels = ["#79a6d2", "#cc2900", "#ff66ff"];
this.level = 0;
this.x = parseInt( Math.random() * canvas.width - 20) + 10;
this.y = parseInt( Math.random() * canvas.height - 20) + 10;
this.size = 3;
this.hours = 0;
this.infected = 0;
this.recovered = 0;
//possible directions
this.directions = ["right", "left", "up", "down", "right-up","right-down", "left-down", "left-up"];
this.direction = this.directions[parseInt( Math.random() * this.directions.length)];
this.quarantine = false;;
}
startCOVID(){
if((this.infected == 0) && (this.recovered == 0)){
this.infected = 1;
this.level = 1;
sim.qtdinfecteds++;
}
}
addDay(){
if(this.infected == 1)
this.hours++;
if(( this.hours/30 > 14 ) && (this.recovered == 0) ) {
this.recovered = 1;
this.infected = 0;
this.level = 2;
sim.qtdinfecteds--;
sim.qtdrecovered++;
}
}
print( ctx ){
ctx.beginPath();
ctx.strokeStyle = "#000";
ctx.fillStyle = this.levels[this.level];
ctx.arc(this.x, this.y, this.size, 0, 2 * Math.PI);
ctx.fill();
ctx.stroke();
}
mover(){
if(this.quarantine)
return;
if(this.direction =="right"){
this.x += sim.velocity;
}else if(this.direction =="left"){
this.x -= sim.velocity;
}else if(this.direction =="up"){
this.y -= sim.velocity;
}else if(this.direction =="down"){
this.y += sim.velocity;
}else if(this.direction =="right-up"){
this.x += sim.velocity/2;
this.y -= sim.velocity/2;
}else if(this.direction =="left-up"){
this.x -= sim.velocity/2;
this.y -= sim.velocity/2;
}else if(this.direction =="right-down"){
this.x += sim.velocity/2;
this.y += sim.velocity/2;
}else if(this.direction =="left-down"){
this.x -= sim.velocity/2;
this.y += sim.velocity/2;
}
this.verifyCollision();
}
verifyCollision(){
//bound colision
if(this.x < 0){
this.changeDirection();
this.x +=10;
}else if(this.x > canvas.width){
this.changeDirection();
this.x -= 10;
}else if(this.y < 0){
this.changeDirection();
this.y +=10;
}else if(this.y > canvas.height){
this.changeDirection();
this.y -=10;
}
//colision with outher person
for(var i = 0; i < sim.sizepopulation; i++){
if(this == sim.population[i])
continue;
var dx = this.x - sim.population[i].x;
var dy = this.y - sim.population[i].y;
var distance = Math.sqrt(dx * dx + dy * dy);
if (distance < this.size + sim.population[i].size) {
this.changeDirection();
if( (this.level == 1) && (sim.population[i].level == 0) )
{
sim.population[i].startCOVID();
}
}
}
}
changeDirection(){
var olddirection = this.direction;
while( olddirection == this.direction){
this.direction = this.directions[parseInt( Math.random() * this.directions.length)];
}
}
}