SMALLRIG CAGE FOR NIKON Z6 III - 4519

Đơn giá: 2,190,000đ

Thương hiệu

SMALLRIG

Trạng thái:

Còn hàng

Hotline đặt hàng: 0903.148-222 (08:00-20:00)

Thông số nổi bật

Tốt

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Vui lòng gọi

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Vui lòng gọi

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SMALLRIG CAGE FOR NIKON Z8 (CŨ)

Tốt

SMALLRIG CAGE FOR NIKON Z6 III

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Máy ảnh

Ống kính

Máy cũ giá tốt

Setup phòng studio

Action camera

Flycam

Thiết bị phòng studio

Phụ kiện máy ảnh

Máy quay phim

(function () { const requestAnimFrame = (function () { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function (callback) { window.setTimeout(callback, 1000 / 60); }; })(); const hieuUngPhaoHoa = { canvas: document.getElementById('hieuUngPhaoHoa__canvas'), ctx: null, cw: window.innerWidth, ch: window.innerHeight, fireworks: [], particles: [], colors: [0, 60, 300], // Mảng các màu hue: 0, timerTotal: 30, // Giảm thời gian giữa các lần bắn timerTick: 0, isActive: true, // Biến để kiểm soát trạng thái hoạt động init: function () { this.ctx = this.canvas.getContext('2d'); this.canvas.width = this.cw; this.canvas.height = this.ch; this.loop(); // Tự động dừng sau 5 giây setTimeout(() => { this.isActive = false; }, 5000); }, calculateDistance: function (p1x, p1y, p2x, p2y) { const xDistance = p1x - p2x; const yDistance = p1y - p2y; return Math.sqrt(Math.pow(xDistance, 2) + Math.pow(yDistance, 2)); }, random: function (min, max) { return Math.random() * (max - min) + min; }, createParticles: function (x, y) { let particleCount = 30; // Chọn màu ngẫu nhiên từ mảng this.hue = this.colors[Math.floor(Math.random() * this.colors.length)]; while (particleCount--) { this.particles.push(new Particle(x, y, this)); } }, // Main loop loop: function () { if (!this.isActive && this.fireworks.length === 0 && this.particles.length === 0) { return; // Dừng animation khi hết pháo hoa } requestAnimFrame(this.loop.bind(this)); this.hue += 0.5; this.ctx.globalCompositeOperation = 'destination-out'; this.ctx.fillStyle = 'rgba(0, 0, 0, 0.5)'; this.ctx.fillRect(0, 0, this.cw, this.ch); this.ctx.globalCompositeOperation = 'lighter'; let i = this.fireworks.length; while (i--) { this.fireworks[i].draw(); this.fireworks[i].update(i); } i = this.particles.length; while (i--) { this.particles[i].draw(); this.particles[i].update(i); } // Tự động bắn pháo hoa nếu đang hoạt động if (this.isActive && this.timerTick >= this.timerTotal) { this.fireworks.push(new Firework( this.cw / 2, this.ch, this.random(0, this.cw), this.random(0, this.ch / 2), this )); this.timerTick = 0; } else { this.timerTick++; } } }; // Firework class class Firework { constructor(sx, sy, tx, ty, main) { this.main = main; this.x = sx; this.y = sy; this.sx = sx; this.sy = sy; this.tx = tx; this.ty = ty; this.distanceToTarget = main.calculateDistance(sx, sy, tx, ty); this.distanceTraveled = 0; this.coordinates = []; this.coordinateCount = 3; while (this.coordinateCount--) { this.coordinates.push([this.x, this.y]); } this.angle = Math.atan2(ty - sy, tx - sx); this.speed = 2; this.acceleration = 1.05; this.brightness = main.random(50, 70); this.targetRadius = 1; } update(index) { this.coordinates.pop(); this.coordinates.unshift([this.x, this.y]); if (this.targetRadius < 8) { this.targetRadius += 0.3; } else { this.targetRadius = 1; } this.speed *= this.acceleration; const vx = Math.cos(this.angle) * this.speed; const vy = Math.sin(this.angle) * this.speed; this.distanceTraveled = this.main.calculateDistance( this.sx, this.sy, this.x + vx, this.y + vy ); if (this.distanceTraveled >= this.distanceToTarget) { this.main.createParticles(this.tx, this.ty); this.main.fireworks.splice(index, 1); } else { this.x += vx; this.y += vy; } } draw() { this.main.ctx.beginPath(); this.main.ctx.moveTo( this.coordinates[this.coordinates.length - 1][0], this.coordinates[this.coordinates.length - 1][1] ); this.main.ctx.lineTo(this.x, this.y); this.main.ctx.strokeStyle = `hsl(${this.main.hue}, 100%, ${this.brightness}%)`; this.main.ctx.stroke(); } } // Particle class class Particle { constructor(x, y, main) { this.main = main; this.x = x; this.y = y; this.coordinates = []; this.coordinateCount = 5; while (this.coordinateCount--) { this.coordinates.push([this.x, this.y]); } this.angle = main.random(0, Math.PI * 2); this.speed = main.random(1, 10); this.friction = 0.95; this.gravity = 1; this.hue = main.random(main.hue - 20, main.hue + 20); this.brightness = main.random(50, 80); this.alpha = 1; this.decay = main.random(0.015, 0.03); } update(index) { this.coordinates.pop(); this.coordinates.unshift([this.x, this.y]); this.speed *= this.friction; this.x += Math.cos(this.angle) * this.speed; this.y += Math.sin(this.angle) * this.speed + this.gravity; this.alpha -= this.decay; if (this.alpha <= this.decay) { this.main.particles.splice(index, 1); } } draw() { this.main.ctx.beginPath(); this.main.ctx.moveTo( this.coordinates[this.coordinates.length - 1][0], this.coordinates[this.coordinates.length - 1][1] ); this.main.ctx.lineTo(this.x, this.y); this.main.ctx.strokeStyle = `hsla(${this.hue}, 100%, ${this.brightness}%, ${this.alpha})`; this.main.ctx.stroke(); } } // Khởi chạy khi trang load xong //window.addEventListener('load', () => hieuUngPhaoHoa.init()); })();