src/js/animation/Meteor.js

@@ -1,272 +1,309 @@
 class Meteor {
   constructor(container) {
+    this.element = document.createElement("div");
+    this.element.style.position = "absolute";
     this.container = container;
+    this.speed = Math.random() * 3 + 4;
+    this.life = 1.0;
+    this.particles = [];
+
+    this.colorType = Math.floor(Math.random() * 4);
+    this.colors = this.getMeteorColors();
+
     this.containerRect = container.getBoundingClientRect();
 
-    // Smooth movement settings
+    // Start from random edge with PIXEL-based positioning
-    this.speed = Math.random() * 1.5 + 2;
+    const edge = Math.floor(Math.random() * 4);
-    this.life = 1.0;
+    switch (edge) {
-    this.fadeSpeed = 0.002;
+      case 0:
-
+        // Top
-    // Enhanced color schemes for vibrant streaks
+        this.x = Math.random() * this.containerRect.width;
-    this.colorSchemes = [
+        this.y = -20;
-      // Classic golden-white meteor
+      case 1:
-      {
+        // Right
-        core: "#ffffff",
+        this.x = this.containerRect.width + 20;
-        mid: "#ffeb99",
+        this.y = Math.random() * this.containerRect.height;
-        outer: "#ff9933",
+      case 2:
-      },
+        // Bottom
-      // Blue-white ice meteor
+        this.x = Math.random() * this.containerRect.width;
-      {
+        this.y = this.containerRect.height + 20;
-        core: "#ffffff",
+      case 3:
-        mid: "#aaddff",
+        // Left
-        outer: "#4488ff",
+        this.x = -20;
-      },
+        this.y = Math.random() * this.containerRect.height;
-      // Purple cosmic meteor
+      default:
-      {
+        console.log("Error creating Meteor direction");
-        core: "#ffffff",
-        mid: "#ddaaff",
-        outer: "#aa44ff",
-      },
-      // Green-white aurora meteor
-      {
-        core: "#ffffff",
-        mid: "#aaffcc",
-        outer: "#44ff88",
-      },
-    ];
-
-    this.colors =
-      this.colorSchemes[Math.floor(Math.random() * this.colorSchemes.length)];
-
-    // Start positions
-    const startSide = Math.random();
-    if (startSide < 0.7) {
-      this.x = Math.random() * this.containerRect.width;
-      this.y = -100;
-      this.angle = Math.PI / 2 + (Math.random() - 0.5) * 0.6;
-    } else if (startSide < 0.85) {
-      this.x = -100;
-      this.y = Math.random() * this.containerRect.height * 0.3;
-      this.angle = Math.PI / 4 + Math.random() * 0.4;
-    } else {
-      this.x = this.containerRect.width + 100;
-      this.y = Math.random() * this.containerRect.height * 0.3;
-      this.angle = (Math.PI * 3) / 4 + Math.random() * 0.4;
     }
 
+    const centerX = this.containerRect.width / 2 + (Math.random() - 0.5) * 200;
+    const centerY = this.containerRect.height / 2 + (Math.random() - 0.5) * 200;
+    this.angle =
+      Math.atan2(centerY - this.y, centerX - this.x) +
+      (Math.random() - 0.5) * 0.8;
     this.dx = Math.cos(this.angle) * this.speed;
     this.dy = Math.sin(this.angle) * this.speed;
 
-    // Trail settings
-    this.trailPoints = [];
-    this.maxTrailLength = 25;
-
-    this.hasBeenOnScreen = false;
-
     this.init();
   }
 
-  init() {
+  getMeteorColors() {
-    // Create SVG for smooth gradient trail
+    const colorSchemes = [
-    this.svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
+      {
-    this.svg.style.cssText = `
+        head: "rgba(255, 255, 255, 1)",
-      position: absolute;
+        core: "rgba(255, 230, 150, 0.9)",
-      top: 0;
+        mid: "rgba(255, 180, 80, 0.7)",
-      left: 0;
+        outer: "rgba(255, 100, 50, 0.5)",
-      width: 100%;
+        glow: "rgba(255, 200, 100, 0.9)",
-      height: 100%;
+      },
-      pointer-events: none;
+      {
-      overflow: visible;
+        head: "rgba(255, 255, 255, 1)",
-      z-index: 9;
+        core: "rgba(180, 220, 255, 0.9)",
-    `;
+        mid: "rgba(100, 180, 255, 0.7)",
-    this.svg.setAttribute("width", this.containerRect.width);
+        outer: "rgba(50, 100, 255, 0.5)",
-    this.svg.setAttribute("height", this.containerRect.height);
+        glow: "rgba(100, 180, 255, 0.9)",
-
+      },
-    // Create gradient for trail
+      {
-    const defs = document.createElementNS("http://www.w3.org/2000/svg", "defs");
+        head: "rgba(255, 255, 255, 1)",
-    const gradient = document.createElementNS(
+        core: "rgba(220, 180, 255, 0.9)",
-      "http://www.w3.org/2000/svg",
+        mid: "rgba(200, 100, 255, 0.7)",
-      "linearGradient"
+        outer: "rgba(180, 50, 255, 0.5)",
-    );
+        glow: "rgba(200, 150, 255, 0.9)",
-    this.gradientId = `meteor-gradient-${Date.now()}-${Math.random()
+      },
-      .toString(36)
+      {
-      .substr(2, 9)}`;
+        head: "rgba(255, 255, 255, 1)",
-    gradient.setAttribute("id", this.gradientId);
+        core: "rgba(180, 255, 200, 0.9)",
-    gradient.setAttribute("gradientUnits", "userSpaceOnUse");
+        mid: "rgba(80, 255, 150, 0.7)",
-
+        outer: "rgba(50, 200, 100, 0.5)",
-    // Gradient stops for smooth colored fade
+        glow: "rgba(150, 255, 180, 0.9)",
-    const stops = [
+      },
-      { offset: "0%", color: this.colors.core, opacity: "1" },
-      { offset: "30%", color: this.colors.mid, opacity: "0.8" },
-      { offset: "60%", color: this.colors.outer, opacity: "0.5" },
-      { offset: "100%", color: this.colors.outer, opacity: "0" },
     ];
+    return colorSchemes[this.colorType];
+  }
 
-    stops.forEach((stop) => {
+  init() {
-      const stopEl = document.createElementNS(
+    const size = Math.random() * 4 + 10;
-        "http://www.w3.org/2000/svg",
+    const colors = this.colors;
-        "stop"
+
-      );
+    const head = document.createElement("div");
-      stopEl.setAttribute("offset", stop.offset);
+    head.style.width = `${size}px`;
-      stopEl.setAttribute("stop-color", stop.color);
+    head.style.height = `${size}px`;
-      stopEl.setAttribute("stop-opacity", stop.opacity);
+    head.style.borderRadius = "50%";
-      gradient.appendChild(stopEl);
+    head.style.background = `
+      radial-gradient(
+        circle at 30% 30%,
+        ${colors.head} 0%,
+        ${colors.core} 30%,
+        ${colors.mid} 60%,
+        ${colors.outer} 100%
+      )
+    `;
+    head.style.boxShadow = `
+      0 0 ${size * 4}px ${colors.glow},
+      0 0 ${size * 2}px rgba(255, 255, 255, 0.8),
+      inset 0 0 ${size * 0.5}px rgba(255, 255, 255, 0.9)
+    `;
+    head.style.position = "absolute";
+    head.style.left = "50%";
+    head.style.top = "50%";
+    head.style.transform = "translate(-50%, -50%)";
+    head.style.zIndex = "3";
+    head.style.filter = "blur(0.5px)";
+
+    // Create multi-layer tail
+    this.createTailLayer(size * 3, size * 1.2, colors.core, 1, "1px");
+    this.createTailLayer(size * 5, size * 2, colors.mid, 0.6, "2px");
+    this.createTailLayer(size * 8, size * 3, colors.outer, 0.3, "3px");
+
+    // Assemble meteor
+    this.element.appendChild(head);
+    this.element.style.left = `${this.x}px`;
+    this.element.style.top = `${this.y}px`;
+    this.element.style.zIndex = "10";
+    this.element.style.filter = "blur(0.5px)";
+
+    this.head = head;
+    this.size = size;
+
+    this.container.appendChild(this.element);
+
+    this.createTrailParticles();
+  }
+
+  createTailLayer(length, width, color, opacity, blur) {
+    const tail = document.createElement("div");
+    const tailAngle = Math.atan2(this.dy, this.dx) + Math.PI;
+
+    tail.style.width = `${length}px`;
+    tail.style.height = `${width}px`;
+    tail.style.position = "absolute";
+    tail.style.left = "50%";
+    tail.style.top = "50%";
+    tail.style.transformOrigin = "left center";
+    tail.style.transform = `translate(0, -50%) rotate(${tailAngle}rad)`;
+    tail.style.background = `linear-gradient(to right, 
+      ${color} 0%, 
+      ${color.replace(")", ", 0.8)").replace("rgba", "rgba")} 20%,
+      ${color.replace(")", ", 0.4)").replace("rgba", "rgba")} 50%,
+      ${color.replace(")", ", 0.1)").replace("rgba", "rgba")} 80%,
+      transparent 100%)`;
+    tail.style.opacity = opacity;
+    tail.style.filter = `blur(${blur})`;
+    tail.style.pointerEvents = "none";
+    tail.style.zIndex = "2";
+    tail.style.borderRadius = "0 50% 50% 0";
+
+    this.element.appendChild(tail);
+    this.tail = tail;
+  }
+
+  createTrailParticles() {
+    for (let i = 0; i < 5; i++) {
+      this.addTrailParticle();
+    }
+  }
+
+  addTrailParticle() {
+    const particle = document.createElement("div");
+    const size = Math.random() * 2 + 1;
+    const colors = this.colors;
+
+    particle.style.width = `${size}px`;
+    particle.style.height = `${size}px`;
+    particle.style.borderRadius = "50%";
+    particle.style.background = colors.mid;
+    particle.style.position = "absolute";
+    particle.style.left = `${this.x}px`;
+    particle.style.top = `${this.y}px`;
+    particle.style.boxShadow = `0 0 ${size * 3}px ${colors.glow}`;
+    particle.style.opacity = "0.7";
+    particle.style.zIndex = "1";
+    particle.style.pointerEvents = "none";
+
+    this.container.appendChild(particle);
+
+    this.particles.push({
+      element: particle,
+      life: 1.0,
+      x: this.x,
+      y: this.y,
+      vx: (Math.random() - 0.5) * 0.5,
+      vy: (Math.random() - 0.5) * 0.5,
+      size: size,
+    });
+  }
+
+  update() {
+    this.x += this.dx;
+    this.y += this.dy;
+    this.life -= 0.005;
+
+    this.element.style.left = `${this.x}px`;
+    this.element.style.top = `${this.y}px`;
+    this.element.style.opacity = this.life;
+
+    // Update tail direction
+    const tailAngle = Math.atan2(this.dy, this.dx) + Math.PI;
+    const tails = this.element.querySelectorAll("div:not(.particle)");
+    tails.forEach((tail) => {
+      if (tail !== this.head) {
+        tail.style.transform = `translate(0, -50%) rotate(${tailAngle}rad)`;
+        tail.style.opacity = this.life;
+      }
     });
 
-    defs.appendChild(gradient);
+    if (Math.random() < 0.3) {
-    this.svg.appendChild(defs);
+      this.addTrailParticle();
-
-    // Create path for trail
-    this.trailPath = document.createElementNS(
-      "http://www.w3.org/2000/svg",
-      "path"
-    );
-    this.trailPath.setAttribute("fill", "none");
-    this.trailPath.setAttribute("stroke", `url(#${this.gradientId})`);
-    this.trailPath.setAttribute("stroke-linecap", "round");
-    this.trailPath.setAttribute("stroke-linejoin", "round");
-
-    const headSize = Math.random() * 2 + 2.5;
-    this.headSize = headSize;
-    this.trailPath.setAttribute("stroke-width", headSize * 2);
-    this.trailPath.style.filter = `blur(${headSize * 0.4}px)`;
-
-    this.svg.appendChild(this.trailPath);
-    this.container.appendChild(this.svg);
-
-    // Meteor head - use absolute positioning like the SVG
-    this.head = document.createElement("div");
-    this.head.style.cssText = `
-      position: absolute;
-      width: ${headSize}px;
-      height: ${headSize}px;
-      border-radius: 50%;
-      background: ${this.colors.core};
-      box-shadow: 0 0 ${headSize * 3}px ${this.colors.mid},
-                  0 0 ${headSize * 5}px ${this.colors.outer};
-      pointer-events: none;
-      z-index: 10;
-      transform: translate(-50%, -50%);
-    `;
-
-    this.container.appendChild(this.head);
-
-    // Initialize trail
-    for (let i = 0; i < 3; i++) {
-      this.trailPoints.push({ x: this.x, y: this.y });
-    }
-  }
-
-  isOnScreen() {
-    const buffer = 50;
-    return (
-      this.x > -buffer &&
-      this.x < this.containerRect.width + buffer &&
-      this.y > -buffer &&
-      this.y < this.containerRect.height + buffer
-    );
-  }
-
-  isOffScreen() {
-    const buffer = 200;
-    return (
-      this.x < -buffer ||
-      this.x > this.containerRect.width + buffer ||
-      this.y < -buffer ||
-      this.y > this.containerRect.height + buffer
-    );
-  }
-
-  updateTrail() {
-    // Add current position to trail
-    this.trailPoints.unshift({ x: this.x, y: this.y });
-
-    // Limit trail length
-    if (this.trailPoints.length > this.maxTrailLength) {
-      this.trailPoints.pop();
     }
 
-    // Update SVG path with smooth curves
+    // Update existing particles with pixel positioning
-    if (this.trailPoints.length >= 2) {
+    for (let i = this.particles.length - 1; i >= 0; i--) {
-      let pathData = `M ${this.trailPoints[0].x} ${this.trailPoints[0].y}`;
+      const p = this.particles[i];
+      p.life -= 0.02;
+      p.x += p.vx;
+      p.y += p.vy;
 
-      // Use smooth curves
+      p.element.style.left = `${p.x}px`;
-      for (let i = 1; i < this.trailPoints.length - 1; i++) {
+      p.element.style.top = `${p.y}px`;
-        const curr = this.trailPoints[i];
+      p.element.style.opacity = p.life;
-        const next = this.trailPoints[i + 1];
+      p.element.style.transform = `scale(${p.life})`;
-        const midX = (curr.x + next.x) / 2;
-        const midY = (curr.y + next.y) / 2;
-        pathData += ` Q ${curr.x} ${curr.y} ${midX} ${midY}`;
-      }
 
-      // Final point
+      if (p.life <= 0) {
-      if (this.trailPoints.length > 1) {
+        p.element.remove();
-        const last = this.trailPoints[this.trailPoints.length - 1];
+        this.particles.splice(i, 1);
-        pathData += ` L ${last.x} ${last.y}`;
-      }
-
-      this.trailPath.setAttribute("d", pathData);
-
-      // Update gradient position for directional effect
-      const gradient = document.getElementById(this.gradientId);
-      if (gradient) {
-        gradient.setAttribute("x1", this.x);
-        gradient.setAttribute("y1", this.y);
-        const lastPoint = this.trailPoints[this.trailPoints.length - 1];
-        gradient.setAttribute("x2", lastPoint.x);
-        gradient.setAttribute("y2", lastPoint.y);
       }
     }
-  }
 
-  update(deltaTime) {
-    // Use deltaTime for consistent movement
-    const dt = Math.min(deltaTime / 16.67, 2);
-
-    // Update position
-    this.x += this.dx * dt;
-    this.y += this.dy * dt;
-
-    // Track screen presence
-    if (!this.hasBeenOnScreen && this.isOnScreen()) {
-      this.hasBeenOnScreen = true;
-    }
-
-    // Fade when off screen
-    if (this.hasBeenOnScreen && this.isOffScreen()) {
-      this.life -= this.fadeSpeed * 3 * dt;
-    }
-
-    // Update head position using left/top (same coordinate system as SVG)
-    this.head.style.left = `${this.x}px`;
-    this.head.style.top = `${this.y}px`;
-    this.head.style.opacity = this.life;
-
-    // Update SVG trail opacity
-    this.svg.style.opacity = this.life;
-
-    // Update trail
-    this.updateTrail();
-
-    // Check if should be removed
     if (
-      this.life <= 0 ||
+      this.x < -50 ||
-      (this.hasBeenOnScreen && this.isOffScreen() && this.life < 0.3)
+      this.x > this.containerRect.width + 50 ||
+      this.y < -50 ||
+      this.y > this.containerRect.height + 50 ||
+      this.life <= 0
     ) {
+      // Fade out particles
+      this.particles.forEach((p) => {
+        p.element.style.transition = "opacity 0.5s";
+        p.element.style.opacity = "0";
+        setTimeout(() => p.element.remove(), 500);
+      });
       this.remove();
       return false;
     }
-
     return true;
   }
 
   remove() {
-    if (this.svg && this.svg.parentNode) {
+    if (this.life > 0.3) {
-      this.svg.remove();
+      this.createExplosion();
     }
-    if (this.head && this.head.parentNode) {
+
-      this.head.remove();
+    setTimeout(() => {
+      this.element.remove();
+    }, 300);
+  }
+
+  createExplosion() {
+    for (let i = 0; i < 8; i++) {
+      const particle = document.createElement("div");
+      const size = Math.random() * 3 + 2;
+      const colors = this.colors;
+
+      particle.style.width = `${size}px`;
+      particle.style.height = `${size}px`;
+      particle.style.borderRadius = "50%";
+      particle.style.background = colors.core;
+      particle.style.position = "absolute";
+      particle.style.left = `${this.x}px`;
+      particle.style.top = `${this.y}px`;
+      particle.style.boxShadow = `0 0 ${size * 4}px ${colors.glow}`;
+      particle.style.opacity = "0.8";
+      particle.style.zIndex = "2";
+
+      this.container.appendChild(particle);
+
+      // Animate explosion
+      const angle = (i / 8) * Math.PI * 2;
+      const distance = Math.random() * 20 + 10;
+      const duration = Math.random() * 500 + 500;
+
+      particle.animate(
+        [
+          {
+            transform: "translate(0, 0) scale(1)",
+            opacity: 0.8,
+          },
+          {
+            transform: `translate(${Math.cos(angle) * distance}px, ${
+              Math.sin(angle) * distance
+            }px) scale(0.1)`,
+            opacity: 0,
+          },
+        ],
+        {
+          duration: duration,
+          easing: "cubic-bezier(0.4, 0, 0.2, 1)",
+        }
+      ).onfinish = () => particle.remove();
     }
   }
 }

src/js/animation/starBackground.js

@@ -3,32 +3,6 @@ import Meteor from "./Meteor.js";
 
 const starInstances = [];
 const meteorInstances = [];
-let lastTime = performance.now();
-let isTabVisible = true;
-let animationFrameId = null;
-
-// Track tab visibility to prevent spawning when hidden
-document.addEventListener("visibilitychange", () => {
-  isTabVisible = !document.hidden;
-
-  // If tab becomes visible after being hidden, clean up excess meteors
-  if (isTabVisible && meteorInstances.length > 3) {
-    // Remove excess meteors
-    const excess = meteorInstances.length - 3;
-    for (let i = 0; i < excess; i++) {
-      if (meteorInstances[i]) {
-        meteorInstances[i].remove();
-      }
-    }
-    meteorInstances.splice(0, excess);
-  }
-
-  // Resume animation loop if it stopped
-  if (isTabVisible && !animationFrameId) {
-    lastTime = performance.now();
-    animate();
-  }
-});
 
 function createStars() {
   const stars = document.getElementById("stars");
@@ -60,12 +34,7 @@ function injectStarCSS() {
 }
 
 function trySpawnMeteor() {
-  // Only spawn if tab is visible and not too many meteors
+  const spawnChance = 0.12;
-  if (!isTabVisible || meteorInstances.length >= 2) {
-    return;
-  }
-
-  const spawnChance = 0.15;
   if (Math.random() < spawnChance) {
     const stars = document.getElementById("stars");
     const newMeteor = new Meteor(stars);
@@ -73,89 +42,40 @@ function trySpawnMeteor() {
   }
 }
 
-function animate() {
+function animateStars() {
-  const currentTime = performance.now();
-  const deltaTime = currentTime - lastTime;
-  lastTime = currentTime;
-
-  // Cap deltaTime to prevent huge jumps when tab is hidden
-  const cappedDelta = Math.min(deltaTime, 100);
-
-  // Update stars with delta time
   starInstances.forEach((star) => star.update());
 
   // Update meteors and remove dead ones
   for (let i = meteorInstances.length - 1; i >= 0; i--) {
-    if (!meteorInstances[i].update(cappedDelta)) {
+    if (!meteorInstances[i].update()) {
       meteorInstances.splice(i, 1);
     }
   }
 
-  animationFrameId = requestAnimationFrame(animate);
+  requestAnimationFrame(animateStars);
 }
 
 function createMeteorBurst() {
-  // Only burst if tab is visible
+  for (let i = 0; i < 3; i++) {
-  if (!isTabVisible) return;
-
-  // Limit burst size
-  const burstSize = Math.min(2, 3 - meteorInstances.length);
-
-  for (let i = 0; i < burstSize; i++) {
     setTimeout(() => {
-      if (isTabVisible && meteorInstances.length < 3) {
+      const stars = document.getElementById("stars");
-        const stars = document.getElementById("stars");
+      const newMeteor = new Meteor(stars);
-        const newMeteor = new Meteor(stars);
+      meteorInstances.push(newMeteor);
-        meteorInstances.push(newMeteor);
+    }, i * 200);
-      }
-    }, i * 300);
   }
 }
 
-let spawnInterval = null;
-let burstInterval = null;
-
 function init() {
   injectStarCSS();
   createStars();
-  lastTime = performance.now();
+  animateStars();
-  animate();
 
-  // Longer interval for spawning
+  setInterval(trySpawnMeteor, 2000);
-  spawnInterval = setInterval(() => {
+  setInterval(createMeteorBurst, 15000);
-    if (isTabVisible) {
-      trySpawnMeteor();
-    }
-  }, 3000); // Every 3 seconds instead of 2
-
-  // Longer interval for bursts
-  burstInterval = setInterval(() => {
-    if (isTabVisible) {
-      createMeteorBurst();
-    }
-  }, 20000); // Every 20 seconds instead of 15
 }
 
-// Cleanup function
-function cleanup() {
-  if (animationFrameId) {
-    cancelAnimationFrame(animationFrameId);
-  }
-  if (spawnInterval) {
-    clearInterval(spawnInterval);
-  }
-  if (burstInterval) {
-    clearInterval(burstInterval);
-  }
-}
-
-// Handle page unload
-window.addEventListener("beforeunload", cleanup);
-
 if (document.readyState === "loading") {
   document.addEventListener("DOMContentLoaded", init);
 } else {
   init();
 }
-
-export { cleanup };