新年3D烟花秀，新年快乐代码，春节快乐代码，跨年立体烟花秀

共2个文件

js：1个

html：1个

版权申诉

5星 · 超过95%的资源 157 浏览量 2023-01-01 16:33:54 上传评论收藏 10KB ZIP 举报

新年3D烟花秀是一种利用编程技术来模拟传统烟花表演的创新方式，特别是在数字时代，它为庆祝新年、春节等重要节日提供了独特的视觉盛宴。通过编写特定的代码，开发者可以创建出立体、动态的烟花效果，带给观众逼真的视听体验。在编程领域，3D跨年代码通常指的是使用3D图形库或者游戏引擎来实现的动态效果，如Unity3D、Three.js等。这些技术可以构建出三维空间中的烟花轨迹，使烟花在屏幕上以立体的方式绽放。开发者会运用各种编程语言，如JavaScript、C#、Python等，结合对应的库或框架，来编写控制烟花发射、升空、爆炸和消散等过程的代码。烟花秀的实现涉及到计算机图形学的基础知识，包括坐标系统、颜色理论、粒子系统等。粒子系统是模拟烟花效果的关键，它将烟花视为许多小的、独立的粒子，通过控制每个粒子的位置、速度、颜色和生命周期来形成绚丽多彩的烟花图案。 3D跨年的实现需要对时间轴进行精确控制，通常会用到计时器和事件循环。计时器负责间隔性地触发烟花的发射，而事件循环则确保每一帧都能流畅地渲染出来。此外，为了增加互动性，还可以结合用户输入来控制烟花的方向或类型。在“countdown-master”这个文件名中，我们可以推测这可能是一个用于倒计时的项目。倒计时功能常常与跨年活动相结合，当倒计时结束时，烟花秀随之启动，营造出一种庆祝新年的气氛。这可能是一个开源项目，包含了一系列的源代码文件和资源，如CSS样式表、JavaScript脚本、图像素材等。开发者在实现3D烟花秀时，还需要考虑性能优化，因为大量粒子的渲染可能会对设备性能造成压力。因此，他们可能会采用各种技术，如批次处理、纹理 atlases 或者利用GPU加速来提高效率。为了让烟花秀更具吸引力，开发者还可能加入音效和动画效果。例如，当烟花爆炸时播放相应的音效，或者通过动画让烟花有更丰富的动态表现，如旋转、缩放、闪烁等。新年3D烟花秀是技术与艺术的完美结合，它不仅展示了编程的魅力，也为人们带来了欢庆节日的独特体验。通过学习和实践这样的项目，开发者可以提升自己的编程技能，同时也能为亲朋好友带来一份特别的新年礼物。

资源推荐

资源详情

资源评论

收起资源包目录

countdown-master.zip （2个子文件）

countdown-master

index.js 16KB

index.html 20KB

<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>风华正茂，书生意气</title> <style> html, body { margin: 0px; width: 100%; height: 100%; overflow: hidden; background: #000; } </style> </head> <body> <canvas id="canvas" style="position: absolute; width: 100%; height: 100%; z-index: 8888" ></canvas> <canvas style="position: absolute; width: 100%; height: 100%; z-index: 9999" class="canvas" ></canvas> <div class="overlay"> <div class="tabs"> <div class="tabs-labels"> <span class="tabs-label">Commands</span ><span class="tabs-label">Info</span ><span class="tabs-label">Share</span> </div> <div class="tabs-panels"> <ul class="tabs-panel commands"></ul> </div> </div> </div> <script> function initVars() { pi = Math.PI; ctx = canvas.getContext("2d"); canvas.width = canvas.clientWidth; canvas.height = canvas.clientHeight; cx = canvas.width / 2; cy = canvas.height / 2; playerZ = -25; playerX = playerY = playerVX = playerVY = playerVZ = pitch = yaw = pitchV = yawV = 0; scale = 600; seedTimer = 0; (seedInterval = 5), (seedLife = 100); gravity = 0.02; seeds = new Array(); sparkPics = new Array(); s = "https://cantelope.org/NYE/"; for (i = 1; i <= 10; ++i) { sparkPic = new Image(); sparkPic.src = s + "spark" + i + ".png"; sparkPics.push(sparkPic); } sparks = new Array(); pow1 = new Audio(s + "pow1.ogg"); pow2 = new Audio(s + "pow2.ogg"); pow3 = new Audio(s + "pow3.ogg"); pow4 = new Audio(s + "pow4.ogg"); frames = 0; } function rasterizePoint(x, y, z) { var p, d; x -= playerX; y -= playerY; z -= playerZ; p = Math.atan2(x, z); d = Math.sqrt(x * x + z * z); x = Math.sin(p - yaw) * d; z = Math.cos(p - yaw) * d; p = Math.atan2(y, z); d = Math.sqrt(y * y + z * z); y = Math.sin(p - pitch) * d; z = Math.cos(p - pitch) * d; var rx1 = -1000, ry1 = 1, rx2 = 1000, ry2 = 1, rx3 = 0, ry3 = 0, rx4 = x, ry4 = z, uc = (ry4 - ry3) * (rx2 - rx1) - (rx4 - rx3) * (ry2 - ry1); if (!uc) return { x: 0, y: 0, d: -1 }; var ua = ((rx4 - rx3) * (ry1 - ry3) - (ry4 - ry3) * (rx1 - rx3)) / uc; var ub = ((rx2 - rx1) * (ry1 - ry3) - (ry2 - ry1) * (rx1 - rx3)) / uc; if (!z) z = 0.000000001; if (ua > 0 && ua < 1 && ub > 0 && ub < 1) { return { x: cx + (rx1 + ua * (rx2 - rx1)) * scale, y: cy + (y / z) * scale, d: Math.sqrt(x * x + y * y + z * z), }; } else { return { x: cx + (rx1 + ua * (rx2 - rx1)) * scale, y: cy + (y / z) * scale, d: -1, }; } } function spawnSeed() { seed = new Object(); seed.x = -50 + Math.random() * 100; seed.y = 25; seed.z = -50 + Math.random() * 100; seed.vx = 0.1 - Math.random() * 0.2; seed.vy = -1.5; //*(1+Math.random()/2); seed.vz = 0.1 - Math.random() * 0.2; seed.born = frames; seeds.push(seed); } function splode(x, y, z) { t = 5 + parseInt(Math.random() * 150); sparkV = 1 + Math.random() * 2.5; type = parseInt(Math.random() * 3); switch (type) { case 0: pic1 = parseInt(Math.random() * 10); break; case 1: pic1 = parseInt(Math.random() * 10); do { pic2 = parseInt(Math.random() * 10); } while (pic2 == pic1); break; case 2: pic1 = parseInt(Math.random() * 10); do { pic2 = parseInt(Math.random() * 10); } while (pic2 == pic1); do { pic3 = parseInt(Math.random() * 10); } while (pic3 == pic1 || pic3 == pic2); break; } for (m = 1; m < t; ++m) { spark = new Object(); spark.x = x; spark.y = y; spark.z = z; p1 = pi * 2 * Math.random(); p2 = pi * Math.random(); v = sparkV * (1 + Math.random() / 6); spark.vx = Math.sin(p1) * Math.sin(p2) * v; spark.vz = Math.cos(p1) * Math.sin(p2) * v; spark.vy = Math.cos(p2) * v; switch (type) { case 0: spark.img = sparkPics[pic1]; break; case 1: spark.img = sparkPics[parseInt(Math.random() * 2) ? pic1 : pic2]; break; case 2: switch (parseInt(Math.random() * 3)) { case 0: spark.img = sparkPics[pic1]; break; case 1: spark.img = sparkPics[pic2]; break; case 2: spark.img = sparkPics[pic3]; break; } break; } spark.radius = 25 + Math.random() * 50; spark.alpha = 1; spark.trail = new Array(); sparks.push(spark); } switch (parseInt(Math.random() * 4)) { case 0: pow = new Audio(s + "pow1.ogg"); break; case 1: pow = new Audio(s + "pow2.ogg"); break; case 2: pow = new Audio(s + "pow3.ogg"); break; case 3: pow = new Audio(s + "pow4.ogg"); break; } d = Math.sqrt( (x - playerX) * (x - playerX) + (y - playerY) * (y - playerY) + (z - playerZ) * (z - playerZ) ); pow.volume = 1.5 / (1 + d / 10); pow.play(); } function doLogic() { if (seedTimer < frames) { seedTimer = frames + seedInterval * Math.random() * 10; spawnSeed(); } for (i = 0; i < seeds.length; ++i) { seeds[i].vy += gravity; seeds[i].x += seeds[i].vx; seeds[i].y += seeds[i].vy; seeds[i].z += seeds[i].vz; if (frames - seeds[i].born > seedLife) { splode(seeds[i].x, seeds[i].y, seeds[i].z); seeds.splice(i, 1); } } for (i = 0; i < sparks.length; ++i) { if (sparks[i].alpha > 0 && sparks[i].radius > 5) { sparks[i].alpha -= 0.01; sparks[i].radius /= 1.02; sparks[i].vy += gravity; point = new Object(); point.x = sparks[i].x; point.y = sparks[i].y; point.z = sparks[i].z; if (sparks[i].trail.length) { x = sparks[i].trail[sparks[i].trail.length - 1].x; y = sparks[i].trail[sparks[i].trail.length - 1].y; z = sparks[i].trail[sparks[i].trail.length - 1].z; d = (point.x - x) * (point.x - x) + (point.y - y) * (point.y - y) + (point.z - z) * (point.z - z); if (d > 9) { sparks[i].trail.push(point); } } else { sparks[i].trail.push(point); } if (sparks[i].trail.length > 5) sparks[i].trail.splice(0, 1); sparks[i].x += sparks[i].vx; sparks[i].y += sparks[i].vy; sparks[i].z += sparks[i].vz; sparks[i].vx /= 1.075; sparks[i].vy /= 1.075; sparks[i].vz /= 1.075; } else {

评论收藏

内容反馈

版权申诉