canvas实现一个蜘蛛南瓜头燃烧动画效果代码
代码语言:html
所属分类:动画
代码描述:canvas实现一个蜘蛛南瓜头燃烧动画效果代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
* {
margin: 0;
box-sizing: border-box;
overflow: hidden;
}
body {
background: #272829;
width: 100%;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
}
body canvas {
border: none;
outline: none;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/processing.min.js"></script>
<script>
var sketchProc = function(processingInstance) {
with (processingInstance) {
size(600, 600);
frameRate(60);
smooth();
var headColor = color(218, 89, 24, 210);
var outlineColor = color(159, 67, 20);
var mouthColor = color(244, 238, 43, 200);
var mouthShadowColor = color(224, 131, 45);
var eyeColor = color(244, 238, 43, 200);
var eyeShadowColor = color(148, 61, 10);
var stalkColor = color(28, 99, 10, 200);
var backgroundColor = color(39, 40, 41);
var webColor = color(255, 255, 255, 50);
var spiderColor = color(0);
var spiderStripeColor = color(201, 26, 26, 200);
var particleColor = color(230, 62, 28, 50);
var xOffset = -40;
var yOffset = 60;
var spiderYOffset = 0;
var yDir = 1;
//Particle object
var Particle = function(position, acceleration, timeToLive, c, size) {
this.acceleration = acceleration;
this.velocity = new PVector(random(-1, 1), random(-1, 1));
this.position = position.get();
this.timeToLive = timeToLive;
this.color = c;
this.size = size;
};
//Run the particle
Particle.prototype.run = function() {
this.update();
this.display();
};
//Update the particle
Particle.prototype.update = function() {
this.velocity.add(this.acceleration);
this.position.add(this.velocity);
this.timeToLive -= 2;
};
//Display the particle
Particle.prototype.display = function() {
noStroke();
fill(this.color);
ellipse(this.position.x, this.position.y, this.size, this.size);
};
//Check if the particle is dead
Particle.prototype.isDead = function() {
if (this.timeToLive < 0) {
return true;
}
else {
return false;
}
};
//Particle System object - manages the particles
var ParticleSystem = function(position, acceleration, c, size) {
this.origin = position.get();
this.acceleration = acceleration || new PVector(0, 0.08);
this.particles = [];
this.color = c || particleColor;
this.size = size || 15;
this.timeToLive = 60;
};
//Add a new particle
ParticleSystem.prototype.addParticle = function() {
this.particles.push(new Particle(this.origin, this.acceleration, this.timeToLive, this.color, this.size));
};
//Run each of the particles in the system, and remove it if it's dead
ParticleSystem.prototype.run = function() {
for(var i = this.particles.length-1; i >= 0; i--) {
var p = this.particles[i];
p.run();
if (p.isDead()) {
this.particles.splice(i, 1);
}
}
};
var pumpkin = function() {
pushMatrix();
translate(xOffset, yOffset);
//stalk
fill(stalkColor);
noStroke();
beginShape();
vertex(208, 108);
bezierVertex(200, 55, 190, 60, 165, 60);
bezierVertex(161, 65, 161, 70, 163, 75);
bezierVertex(180, 75, 190, 67, 188, 108);
endShape();
//head
noStroke();
noFill();
fill(headColor);
beginShape();
vertex(210, 110);
bezierVertex(225, 103, 245, 103, 260, 110); //1
bezierVertex(350, 120, 350, 290, 260, 300); //2
bezierVertex(240, 310, 200, 310, 210, 305); //3
bezierVertex(210, 310, 190, 310, 190, 305); //bottom
bezierVertex(170, 310, 160, 310, 140, 300); //-3
bezierVertex(50, 290, 50, 100, 140, 110); //-2
bezierVertex(155, 103, 175, 103, 190, 110); //-1
bezierVertex(195, 103, 205, 103, 210, 110);//top
endShape();
//curves
noFill();
stroke(outlineColor);
stroke(201, 87, 12);
strokeWeight(2);
//top
beginShape();
vertex(165, 130);
bezierVertex(192, 98, 208, 98, 235, 130);//top
endShape();
//1
beginShape();
vertex(212, 110);
bezierVertex(225, 103, 245, 101, 270, 117); //1
endShape();
//2
beginShape();
vertex(260, 110);
bezierVertex(350, 120, 350, 290, 260, 300); //2
endShape();
//3
beginShape();
vertex(280, 270);
bezierVertex(280, 280, 275, 290, 260, 300); //3
bezierVertex(240, 310, 200, 310, 212, 305); //3
endShape();
//bottom
beginShape();
vertex(230, 290);
bezierVertex(210, 315, 190, 315, 170, 290); //bottom
endShape();
//-3
beginShape();
vertex(188, 305);
bezierVertex(170, 310, 160, 310, 140, 300); //-3
bezierVertex(132, 295, 120, 290, 120, 270); //-3
endShape();
//-2
beginShape();
vertex(140, 300);
bezierVertex(50, 290, 50, 100, 140, 110); //-2
endShape();
//-1
beginShape();
vertex(130, 120);
bezierVertex(155, 97, 175, 103, 188, 110); //-1
endShape();
//mouth (starting from the top/middle and moving clockwise
fill(mouthColor);
strokeWeight(1);
beginShape();
vertex(193, 220);
vertex(206, 220);
vertex(209, 240);
vertex(232, 241);
vertex(234, 221);
vertex(244, 222);
vertex(246, 238);
vertex(260, 234);
vertex(259, 222);
vertex(269, 220);
vertex(271, 230);
vertex(281, 228);
vertex(282, 215);
bezierVertex(295, 215, 300, 215, 312, 184);
bezierVertex(310, 215, 310, 225, 279, 256);
vertex(277, 248);
vertex(270, 251);
vertex(270, 263);
vertex(263, 266);
vertex(262, 257);
vertex(250, 260);
vertex(250, 270);
vertex(239, 272);
vertex(238, 262);
vertex(218, 262);
vertex(217, 273);
vertex(205, 274);
vertex(204, 262);
vertex(190, 264);
vertex(190, 274);
vertex(176, 276);
vertex(.........完整代码请登录后点击上方下载按钮下载查看
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