Particle fire

Developer
Khalkeus
Size
3,152 Kb
Views
18,216
  1. Particle fire Previews
  2. Particle fire HTML Codes
  3. Particle fire CSS Codes
  4. Particle fire JS Codes

How do I make an particle fire?

What is a particle fire? How do you make a particle fire? This script and codes were developed by Khalkeus on 11 November 2022, Friday.

Particle fire Previews
IQ Test

Particle fire - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>particle fire</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Particle fire - Script Codes CSS Codes

body, html{	width: 100%;	height: 100%;	margin: 0px;	padding: 0px;	overflow: hidden;	font-family: courier;	color: white;	font-size: 12px;	text-align: center;
}
canvas{	width: 100%;	height: 100%;
}

Particle fire - Script Codes JS Codes

var camera, renderer, scene, particleSystem, baseParticle, mouse;
window.onload = function(){	mouse = [window.innerWidth/2, window.innerHeight/2];	renderer = new THREE.WebGLRenderer({antialias: true});	scene = new THREE.Scene();	camera = new THREE.PerspectiveCamera(20, window.innerWidth/window.innerHeight, 0.1, 1000);	renderer.setSize(window.innerWidth, window.innerHeight);	document.body.appendChild(renderer.domElement);	camera.position.z = 50;	scene.background = new THREE.Color(0x333344);	canvas = document.querySelector('#b canvas');	baseParticle = new THREE.PlaneGeometry(1, 1, 1);	baseParticle.applyMatrix(new THREE.Matrix4().makeRotationFromEuler(new THREE.Euler(0, 0, Math.PI/4)));	for(var i = 0; i < baseParticle.vertices.length; i++){	if(Math.round(baseParticle.vertices[i].y) != 0){	baseParticle.vertices[i].x = 0;	baseParticle.vertices[i].z = 0;	}	}	baseParticle.mergeVertices();	baseParticle.verticesNeedUpdate = true;	baseParticle = new THREE.Mesh(baseParticle, new THREE.MeshBasicMaterial({color: 0xffffff, emissive: 0x555555}));	particleSystem = new ParticleSystem(99);	render();
}
window.onresize = function(){	camera.aspect = window.innerWidth/window.innerHeight;	camera.updateProjectionMatrix();	renderer.setSize(window.innerWidth, window.innerHeight);
}
window.onmousemove = function(e){	mouse = [e.clientX, e.clientY];
}
function randomFloat(a, b){	var r = (Math.random() * (b - a) + a);	return r;
}
function partToHex(part){	var h = part.toString(16);	return h.length == 1 ? "0" + h : h;
}
console.log(partToHex(255))
var color;
function FireParticle(){	this.direction;	this.scaleSpeed;	this.curAge;	this.parent;	this.obj;	this.colorRamp = [[255, 255, 0], [255, 136, 34], [255, 17, 68], [153, 136, 136]];	this.update = function(){	if(Math.abs(this.parent.pos.x - this.obj.position.x) > 10 || Math.abs(-this.parent.pos.y - this.obj.position.y) > 10){	this.obj.scale.x *= .8;	this.obj.scale.y *= .8;	this.obj.scale.z *= .8;	}	var point = (this.curAge/40);	var pointRem = point % 1;	if(Math.round(point) >= this.colorRamp.length - 1){	color = this.colorRamp[this.colorRamp.length - 1];	}else{	color = [Math.floor(this.colorRamp[Math.floor(point)][0] * (1 - pointRem) + this.colorRamp[Math.floor(point) + 1][0] * pointRem), Math.floor(this.colorRamp[Math.floor(point)][1] * (1 - pointRem) + this.colorRamp[Math.floor(point) + 1][1] * pointRem), Math.floor(this.colorRamp[Math.floor(point)][2] * (1 - pointRem) + this.colorRamp[Math.floor(point) + 1][2] * pointRem)];	}	// console.log(color);	color = partToHex(color[0]) + partToHex(color[1]) + partToHex(color[2])	// console.log(color)	color = parseInt(color, 16);	// console.log(color)	this.obj.material.color.setHex(color);	this.curAge++;	if(this.obj.scale.x < .01){	this.init();	}	this.obj.position.x += this.direction.x;	this.obj.position.y += this.direction.y;	this.obj.position.z += this.direction.z;	this.obj.scale.x *= this.scaleSpeed;	this.obj.scale.y *= this.scaleSpeed;	this.obj.scale.z *= this.scaleSpeed;	}	this.init = function(){	this.direction = new THREE.Vector3(randomFloat(-.01, .01), randomFloat(.01, .1), randomFloat(-.01, .01));	this.scaleSpeed = randomFloat(.8, .99);	this.curAge = 0;	if(this.obj != undefined){	scene.remove(this.obj);	}	this.obj = baseParticle.clone();	this.obj.position.set(this.parent.obj.position.x + randomFloat(-.2, .2), this.parent.obj.position.y, this.parent.obj.position.z + randomFloat(-.2, .2));	this.obj.scale.set(1, 2, 1);	this.obj.material = this.obj.material.clone();	// var size = randomFloat(.5, 1);	// this.obj.scale.set(size, 2*size, size);	for(var i = 0; i < randomFloat(0, 100); i++){	this.update();	}	scene.add(this.obj);	}
}
function ParticleSystem(size){	this.particles = [];	this.obj = new THREE.Group();	this.p = new THREE.Vector3();	this.d;	this.dis;	this.pos = new THREE.Vector3(0, 0, 0);	this.init = function(){	for(var i = 0; i < size; i++){	this.particles.push(new FireParticle());	this.particles[i].parent = this;	this.particles[i].init();	}	scene.add(this.obj);	}	this.init();	this.update = function(){	this.p.set((mouse[0]/window.innerWidth) * 2 - 1, (mouse[1]/window.innerHeight ) * 2 - 1, .5);	this.p.unproject(camera);	this.d = this.p.sub(camera.position).normalize();	this.dis = -camera.position.z/this.d.z;	this.pos = camera.position.clone().add(this.d.multiplyScalar(this.dis));	this.obj.position.x = this.pos.x;	this.obj.position.y = -this.pos.y;	for(var i = 0; i < this.particles.length; i++){	this.particles[i].update();	}	this.obj.rotation.y += .03;	}
}
function render(){	requestAnimationFrame(render);	renderer.render(scene, camera);	particleSystem.update();
}
Particle fire - Script Codes
Particle fire - Script Codes
Home Page Home
Developer Khalkeus
Username khalkeus
Uploaded November 11, 2022
Rating 4.5
Size 3,152 Kb
Views 18,216
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