Colorful smoke

Developer
Takashi
Size
2,247 Kb
Views
14,168
  1. Colorful smoke Previews
  2. Colorful smoke HTML Codes
  3. Colorful smoke JS Codes

How do I make an colorful smoke?

Like a smoke or fireball. What is a colorful smoke? How do you make a colorful smoke? This script and codes were developed by Takashi on 20 October 2022, Thursday.

Colorful smoke Previews
IQ Test

Colorful smoke - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>colorful smoke</title>
</head>
<body> <style> body {padding: 0; margin: 0;} </style> <script src='https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.4.21/p5.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Colorful smoke - Script Codes JS Codes

var scketch = function(p){ var particleNum = 0; var particle; var particles = []; var Particle = function(pos,v,d){ this.p = pos; this.v = v; this.a = p.createVector(0,0); this.d = d; this.r = d/2; this.mass = this.r/100; this.lifespan = 100; this.col_r = p.floor(p.random(255)); this.col_g = p.floor(p.random(255)); this.col_b = p.floor(p.random(255)); this.col_a = 0.6; } Particle.prototype.addForce = function(f){ this.a.add(f); this.a.div(this.mass); } Particle.prototype.update = function(){ this.v.add(this.a); this.p.add(this.v); this.lifespan -= 2; this.col_a -= 0.014; this.a.mult(0); } Particle.prototype.draw = function(){ p.noStroke(); //gradation var grad = p.drawingContext.createRadialGradient(this.p.x,this.p.y,0,this.p.x,this.p.y,this.r); grad.addColorStop(0,'rgba(' + this.col_r + ',' + this.col_g + ',' + this.col_b + ','+ this.col_a +')'); grad.addColorStop(1,'rgba(0, 0, 0, 0)'); p.drawingContext.fillStyle = grad; p.ellipse(this.p.x,this.p.y,this.d,this.d); } Particle.prototype.isLive = function(){ if(this.lifespan<=0){ return false; }else{ return true; } } /*-- p5 framwork ------------------------------------*/ p.setup = function(){ p.createCanvas(p.windowWidth, p.windowHeight); p.blendMode(p.ADD); p.background(0); } p.draw = function(){ p.clear(); p.background(0); //add particle for(var i=0; i<3; i++){ var mpos = p.createVector(p.mouseX || p.touchX || p.windowWidth/2, p.mouseY || p.touchY || p.windowHeight/2); var vec = p.createVector(p.randomGaussian()*4,p.randomGaussian(1,3)); particle = new Particle(mpos,vec,130); particles.push(particle); } //move upward as smoke for(var i = particles.length-1; i>=0; i--){ var mpos = p.createVector(p.mouseX || p.touchX || p.windowWidth/2, p.mouseY || p.touchY || p.windowHeight/2); var toMouse = p5.Vector.sub(mpos,particles[i].p); toMouse.normalize(); toMouse.mult(0.5); var force = p.createVector(toMouse.x,-0.3); particles[i].addForce(force); particles[i].update(); particles[i].draw(); if(!particles[i].isLive()){ particles.splice(i,1); } } } p.mousePressed = function() { }; p.windowResized = function() { p.resizeCanvas(p.windowWidth, p.windowHeight); }
}
new p5(scketch);
Colorful smoke - Script Codes
Colorful smoke - Script Codes
Home Page Home
Developer Takashi
Username tksiiii
Uploaded October 20, 2022
Rating 3.5
Size 2,247 Kb
Views 14,168
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