siege-protocol/js/particles.js

// ═══ particles.js ═══
// ============================================================
//  PARTICLES.JS — Particles, floaters, damage numbers
// ============================================================

const MAX_PARTICLES = 400;
const MAX_FLOATERS = 40;

function spawnParticle(x, y, color, vx, vy, life, radius, decay) {
  if (G.particles.length >= MAX_PARTICLES) return;
  G.particles.push({ x, y, color, vx, vy, life, radius, decay });
}

function spawnParticleBurst(x, y, color, count) {
  const free = MAX_PARTICLES - G.particles.length;
  const actual = Math.min(count, free);
  for (let i = 0; i < actual; i++) {
    const angle = Math.random() * Math.PI * 2;
    const speed = 1 + Math.random() * 3.5;
    spawnParticle(
      x, y, color,
      Math.cos(angle) * speed,
      Math.sin(angle) * speed,
      0.9 + Math.random() * 0.1,
      2 + Math.random() * 4,
      0.03 + Math.random() * 0.04
    );
  }
}

function spawnFloater(x, y, text, color, scale = 1.0) {
  if (G.floaters.length >= MAX_FLOATERS) return;
  G.floaters.push({
    x, y, text, color, scale,
    life: 1,
    vy: -1.0 - Math.random() * 0.5,
    vx: (Math.random() - 0.5) * 0.8,
  });
}

function updateParticles() {
  compactLiveArray(G.particles, p => {
    p.x += p.vx;
    p.y += p.vy;
    p.vx *= 0.91;
    p.vy *= 0.91;
    p.life -= p.decay;
    return p.life > 0;
  });
}

function updateFloaters() {
  compactLiveArray(G.floaters, f => {
    f.x += f.vx;
    f.y += f.vy;
    f.life -= 0.018;
    return f.life > 0;
  });
}