分享几个好看的爱心表白代码
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- ❤️爱心代码❤️（C语言）
- ❤️流动爱心❤️（html+css+js）
- ❤️线条爱心❤️（html+css+js）
- ❤️biu表白爱心❤️（html+css+js）
- ❤️matlab爱心函数❤️（需安装matlab r2022）
❤️爱心代码❤️（C语言）
#include <stdio.h>
#include <Windows.h>
int main()
{
float x, y, a;
for (y = 1.5; y > -1.5; y -= 0.1)
{
for (x = -1.5; x < 1.5; x += 0.05)
{
a = x * x + y * y - 1;
putchar(a * a * a - x * x * y * y * y <= 0.0 ? '*' : ' ');
}
system("color 0c");
putchar('\n');
}
return 0;
}
❤️流动爱心❤️（html+css+js）
- HTML部分：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<style>
html, body {
height: 100%;
padding: 0;
margin: 0;
background: #000;
}
canvas {
position: absolute;
width: 100%;
height: 100%;
}
</style>
</HEAD>
<BODY>
<canvas id="pinkboard"></canvas>
<script>
/*
* Settings
*/
var settings = {
particles: {
length: 500, // maximum amount of particles
duration: 2, // particle duration in sec
velocity: 100, // particle velocity in pixels/sec
effect: -0.75, // play with this for a nice effect
size: 30, // particle size in pixels
},
};
/*
* RequestAnimationFrame polyfill by Erik Möller
*/
(function(){var b=0;var c=["ms","moz","webkit","o"];for(var a=0;a<c.length&&!window.requestAnimationFrame;++a){window.requestAnimationFrame=window[c[a]+"RequestAnimationFrame"];window.cancelAnimationFrame=window[c[a]+"CancelAnimationFrame"]||window[c[a]+"CancelRequestAnimationFrame"]}if(!window.requestAnimationFrame){window.requestAnimationFrame=function(h,e){var d=new Date().getTime();var f=Math.max(0,16-(d-b));var g=window.setTimeout(function(){h(d+f)},f);b=d+f;return g}}if(!window.cancelAnimationFrame){window.cancelAnimationFrame=function(d){clearTimeout(d)}}}());
/*
* Point class
*/
var Point = (function() {
function Point(x, y) {
this.x = (typeof x !== 'undefined') ? x : 0;
this.y = (typeof y !== 'undefined') ? y : 0;
}
Point.prototype.clone = function() {
return new Point(this.x, this.y);
};
Point.prototype.length = function(length) {
if (typeof length == 'undefined')
return Math.sqrt(this.x * this.x + this.y * this.y);
this.normalize();
this.x *= length;
this.y *= length;
return this;
};
Point.prototype.normalize = function() {
var length = this.length();
this.x /= length;
this.y /= length;
return this;
};
return Point;
})();
/*
* Particle class
*/
var Particle = (function() {
function Particle() {
this.position = new Point();
this.velocity = new Point();
this.acceleration = new Point();
this.age = 0;
}
Particle.prototype.initialize = function(x, y, dx, dy) {
this.position.x = x;
this.position.y = y;
this.velocity.x = dx;
this.velocity.y = dy;
this.acceleration.x = dx * settings.particles.effect;
this.acceleration.y = dy * settings.particles.effect;
this.age = 0;
};
Particle.prototype.update = function(deltaTime) {
this.position.x += this.velocity.x * deltaTime;
this.position.y += this.velocity.y * deltaTime;
this.velocity.x += this.acceleration.x * deltaTime;
this.velocity.y += this.acceleration.y * deltaTime;
this.age += deltaTime;
};
Particle.prototype.draw = function(context, image) {
function ease(t) {
return (--t) * t * t + 1;
}
var size = image.width * ease(this.age / settings.particles.duration);
context.globalAlpha = 1 - this.age / settings.particles.duration;
context.drawImage(image, this.position.x - size / 2, this.position.y - size / 2, size, size);
};
return Particle;
})();
/*
* ParticlePool class
*/
var ParticlePool = (function() {
var particles,
firstActive = 0,
firstFree = 0,
duration = settings.particles.duration;
function ParticlePool(length) {
// create and populate particle pool
particles = new Array(length);
for (var i = 0; i < particles.length; i++)
particles[i] = new Particle();
}
ParticlePool.prototype.add = function(x, y, dx, dy) {
particles[firstFree].initialize(x, y, dx, dy);
// handle circular queue
firstFree++;
if (firstFree == particles.length) firstFree = 0;
if (firstActive == firstFree ) firstActive++;
if (firstActive == particles.length) firstActive = 0;
};
ParticlePool.prototype.update = function(deltaTime) {
var i;
// update active particles
if (firstActive < firstFree) {
for (i = firstActive; i < firstFree; i++)
particles[i].update(deltaTime);
}
if (firstFree < firstActive) {
for (i = firstActive; i < particles.length; i++)
particles[i].update(deltaTime);
for (i = 0; i < firstFree; i++)
particles[i].update(deltaTime);
}
// remove inactive particles
while (particles[firstActive].age >= duration && firstActive != firstFree) {
firstActive++;
if (firstActive == particles.length) firstActive = 0;
}
};
ParticlePool.prototype.draw = function(context, image) {
// draw active particles
if (firstActive < firstFree) {
for (i = firstActive; i < firstFree; i++)
particles[i].draw(context, image);
}
if (firstFree < firstActive) {
for (i = firstActive; i < particles.length; i++)
particles[i].draw(context, image);
for (i = 0; i < firstFree; i++)
particles[i].draw(context, image);
}
};
return ParticlePool;
})();
/*
* Putting it all together
*/
(function(canvas) {
var context = canvas.getContext('2d'),
particles = new ParticlePool(settings.particles.length),
particleRate = settings.particles.length / settings.particles.duration, // particles/sec
time;
// get point on heart with -PI <= t <= PI
function pointOnHeart(t) {
return new Point(
160 * Math.pow(Math.sin(t), 3),
130 * Math.cos(t) - 50 * Math.cos(2 * t) - 20 * Math.cos(3 * t) - 10 * Math.cos(4 * t) + 25
);
}
// creating the particle image using a dummy canvas
var image = (function() {
var canvas = document.createElement('canvas'),
context = canvas.getContext('2d');
canvas.width = settings.particles.size;
canvas.height = settings.particles.size;
// helper function to create the path
function to(t) {
var point = pointOnHeart(t);
point.x = settings.particles.size / 2 + point.x * settings.particles.size / 350;
point.y = settings.particles.size / 2 - point.y * settings.particles.size / 350;
return point;
}
// create the path
context.beginPath();
var t = -Math.PI;
var point = to(t);
context.moveTo(point.x, point.y);
while (t < Math.PI) {
t += 0.01; // baby steps!
point = to(t);
context.lineTo(point.x, point.y);
}
context.closePath();
// create the fill
context.fillStyle = '#ea80b0';
context.fill();
// create the image
var image = new Image();
image.src = canvas.toDataURL();
return image;
})();
// render that thing!
function render() {
// next animation frame
requestAnimationFrame(render);
// update time
var newTime = new Date().getTime() / 1000,
deltaTime = newTime - (time || newTime);
time = newTime;
// clear canvas
context.clearRect(0, 0, canvas.width, canvas.height);
// create new particles
var amount = particleRate * deltaTime;
for (var i = 0; i < amount; i++) {
var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
var dir = pos.clone().length(settings.particles.velocity);
particles.add(canvas.width / 2 + pos.x, canvas.height / 2 - pos.y, dir.x, -dir.y);
}
// update and draw particles
particles.update(deltaTime);
particles.draw(context, image);
}
// handle (re-)sizing of the canvas
function onResize() {
canvas.width = canvas.clientWidth;
canvas.height = canvas.clientHeight;
}
window.onresize = onResize;
// delay rendering bootstrap
setTimeout(function() {
onResize();
render();
}, 10);
})(document.getElementById('pinkboard'));
</script>
</BODY>
</HTML>
❤️线条爱心❤️（html+css+js）
- HTML部分：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>流动爱心表白</title>
</head>
<!-- css部分 -->
<style>
body {
background-color: #000;
margin: 0;
overflow: hidden;
background-repeat: no-repeat;
}
</style>
<body>
<!-- 绘画爱心 -->
<canvas id="canvas" width="1400" height="600"></canvas>
<!-- js部分 -->
</body>
<script>
var canvas = document.getElementById("canvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Initialize the GL context
var gl = canvas.getContext('webgl');
if (!gl) {
console.error("Unable to initialize WebGL.");
}
//Time step
var dt = 0.015;
//Time
var time = 0.0;
//************** Shader sources **************
var vertexSource = `
attribute vec2 position;
void main() {
gl_Position = vec4(position, 0.0, 1.0);
}
`;
var fragmentSource = `
precision highp float;
uniform float width;
uniform float height;
vec2 resolution = vec2(width, height);
uniform float time;
#define POINT_COUNT 8
vec2 points[POINT_COUNT];
const float speed = -0.5;
const float len = 0.25;
float intensity = 0.9;
float radius = 0.015;
//https://www.shadertoy.com/view/MlKcDD
//Signed distance to a quadratic bezier
float sdBezier(vec2 pos, vec2 A, vec2 B, vec2 C){
vec2 a = B - A;
vec2 b = A - 2.0*B + C;
vec2 c = a * 2.0;
vec2 d = A - pos;
float kk = 1.0 / dot(b,b);
float kx = kk * dot(a,b);
float ky = kk * (2.0*dot(a,a)+dot(d,b)) / 3.0;
float kz = kk * dot(d,a);
float res = 0.0;
float p = ky - kx*kx;
float p3 = p*p*p;
float q = kx*(2.0*kx*kx - 3.0*ky) + kz;
float h = q*q + 4.0*p3;
if(h >= 0.0){
h = sqrt(h);
vec2 x = (vec2(h, -h) - q) / 2.0;
vec2 uv = sign(x)*pow(abs(x), vec2(1.0/3.0));
float t = uv.x + uv.y - kx;
t = clamp( t, 0.0, 1.0 );
// 1 root
vec2 qos = d + (c + b*t)*t;
res = length(qos);
}else{
float z = sqrt(-p);
float v = acos( q/(p*z*2.0) ) / 3.0;
float m = cos(v);
float n = sin(v)*1.732050808;
vec3 t = vec3(m + m, -n - m, n - m) * z - kx;
t = clamp( t, 0.0, 1.0 );
// 3 roots
vec2 qos = d + (c + b*t.x)*t.x;
float dis = dot(qos,qos);
res = dis;
qos = d + (c + b*t.y)*t.y;
dis = dot(qos,qos);
res = min(res,dis);
qos = d + (c + b*t.z)*t.z;
dis = dot(qos,qos);
res = min(res,dis);
res = sqrt( res );
}
return res;
}
//http://mathworld.wolfram.com/HeartCurve.html
vec2 getHeartPosition(float t){
return vec2(16.0 * sin(t) * sin(t) * sin(t),
-(13.0 * cos(t) - 5.0 * cos(2.0*t)
- 2.0 * cos(3.0*t) - cos(4.0*t)));
}
//https://www.shadertoy.com/view/3s3GDn
float getGlow(float dist, float radius, float intensity){
return pow(radius/dist, intensity);
}
float getSegment(float t, vec2 pos, float offset, float scale){
for(int i = 0; i < POINT_COUNT; i++){
points[i] = getHeartPosition(offset + float(i)*len + fract(speed * t) * 6.28);
}
vec2 c = (points[0] + points[1]) / 2.0;
vec2 c_prev;
float dist = 10000.0;
for(int i = 0; i < POINT_COUNT-1; i++){
//https://tinyurl.com/y2htbwkm
c_prev = c;
c = (points[i] + points[i+1]) / 2.0;
dist = min(dist, sdBezier(pos, scale * c_prev, scale * points[i], scale * c));
}
return max(0.0, dist);
}
void main(){
vec2 uv = gl_FragCoord.xy/resolution.xy;
float widthHeightRatio = resolution.x/resolution.y;
vec2 centre = vec2(0.5, 0.5);
vec2 pos = centre - uv;
pos.y /= widthHeightRatio;
//Shift upwards to centre heart
pos.y += 0.02;
float scale = 0.000015 * height;
float t = time;
//Get first segment
float dist = getSegment(t, pos, 0.0, scale);
float glow = getGlow(dist, radius, intensity);
vec3 col = vec3(0.0);
//White core
col += 10.0*vec3(smoothstep(0.003, 0.001, dist));
//Pink glow
col += glow * vec3(0.94,0.14,0.4);
//Get second segment
dist = getSegment(t, pos, 3.4, scale);
glow = getGlow(dist, radius, intensity);
//White core
col += 10.0*vec3(smoothstep(0.003, 0.001, dist));
//Blue glow
col += glow * vec3(0.2,0.6,1.0);
//Tone mapping
col = 1.0 - exp(-col);
//Output to screen
gl_FragColor = vec4(col,1.0);
}
`;
//************** Utility functions **************
window.addEventListener('resize', onWindowResize, false);
function onWindowResize() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
gl.viewport(0, 0, canvas.width, canvas.height);
gl.uniform1f(widthHandle, window.innerWidth);
gl.uniform1f(heightHandle, window.innerHeight);
}
//Compile shader and combine with source
function compileShader(shaderSource, shaderType) {
var shader = gl.createShader(shaderType);
gl.shaderSource(shader, shaderSource);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
throw "Shader compile failed with: " + gl.getShaderInfoLog(shader);
}
return shader;
}
//From https://codepen.io/jlfwong/pen/GqmroZ
//Utility to complain loudly if we fail to find the attribute/uniform
function getAttribLocation(program, name) {
var attributeLocation = gl.getAttribLocation(program, name);
if (attributeLocation === -1) {
throw 'Cannot find attribute ' + name + '.';
}
return attributeLocation;
}
function getUniformLocation(program, name) {
var attributeLocation = gl.getUniformLocation(program, name);
if (attributeLocation === -1) {
throw 'Cannot find uniform ' + name + '.';
}
return attributeLocation;
}
//************** Create shaders **************
//Create vertex and fragment shaders
var vertexShader = compileShader(vertexSource, gl.VERTEX_SHADER);
var fragmentShader = compileShader(fragmentSource, gl.FRAGMENT_SHADER);
//Create shader programs
var program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
//Set up rectangle covering entire canvas
var vertexData = new Float32Array([-1.0, 1.0, // top left
-1.0, -1.0, // bottom left
1.0, 1.0, // top right
1.0, -1.0, // bottom right
]);
//Create vertex buffer
var vertexDataBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexDataBuffer);
gl.bufferData(gl.ARRAY_BUFFER, vertexData, gl.STATIC_DRAW);
// Layout of our data in the vertex buffer
var positionHandle = getAttribLocation(program, 'position');
gl.enableVertexAttribArray(positionHandle);
gl.vertexAttribPointer(positionHandle,
2, // position is a vec2 (2 values per component)
gl.FLOAT, // each component is a float
false, // don't normalize values
2 * 4, // two 4 byte float components per vertex (32 bit float is 4 bytes)
0 // how many bytes inside the buffer to start from
);
//Set uniform handle
var timeHandle = getUniformLocation(program, 'time');
var widthHandle = getUniformLocation(program, 'width');
var heightHandle = getUniformLocation(program, 'height');
gl.uniform1f(widthHandle, window.innerWidth);
gl.uniform1f(heightHandle, window.innerHeight);
function draw() {
//Update time
time += dt;
//Send uniforms to program
gl.uniform1f(timeHandle, time);
//Draw a triangle strip connecting vertices 0-4
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
requestAnimationFrame(draw);
}
draw();
</script>
</html>
❤️biu表白爱心❤️（html+css+js）
- ❤️点这里下载biu爱心表白完整代码❤️
- HTML部分：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js+html爱心表白动画特效</title>
<link rel="stylesheet" href="css/love.css">
</head>
<body>
<div class="container" onselectstart="return false;" unselectable="on" style="-moz-user-select:none;">
<div class="body_left">
<img src="images/biubiubiu.gif" alt="" ondragstart='return false;'>
</div>
<div class="body_center love">
<div class="block">
<div class="div1"></div>
<div class="div2"></div>
<div class="div3"></div>
<div class="div4"></div>
</div>
</div>
</div>
<div class="footer">
<div class="border">
<div class="border-top"></div>
<div class="border-bottom"></div>
</div>
<!-- <div class="copyright">
<div id="version"><span>Version:</span> 0.0.2</div>
<div id="createTime"><span>Time:</span> 2022/7/13</div>
<div id="author"><span>© </span>psw</div>
</div> -->
</div>
<script type="text/javascript" src="js/love.js"></script>
</body>
</html>
❤️matlab爱心函数❤️（需安装matlab r2022）
function LoveFunc
LoveFunchdl=@(x,a)(x.2).(1/3)+0.9.*((3.3-x.2).(1/2)).*sin(a.*pi.*x);
hold on
grid on
axis([-3 3,-2 4])
x=-1.8:0.005:1.8;
text(0,3.3,'$f(x)=x{\frac{2}{3}}+0.9(3.3-x2){\frac{1}{2}}\sin(\alpha\pi x)$',...
'FontSize',13,'HorizontalAlignment','center','Interpreter','latex');
txt2=text(-0.35,2.9,'','FontSize',13,'HorizontalAlignment','left','Interpreter','latex','tag','alphadata');
for a=1:0.01:20
delete(findobj('type','line'))
AlphaString=['$\alpha=',num2str(a),'$'];
Color=([1.0000 0.4902 0.6627]-[0.2118 0.4667 0.9961]).*(a/20)+[0.2118 0.4667 0.9961];
set(txt2,'string',AlphaString)
plot(x,LoveFunchdl(x,a),'color',Color,'LineWidth',1.2);
pause(0.003)
end
end
❤️❤️属于我们计算机的浪漫，快去分享给你心中最可爱的TA吧 ❤️❤️
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