Function createSupernova

geometry.js:231–262

(i, count)

}

function createSupernova(i, count) {
    // Supernova parameters
    const maxRadius = 40;        // Maximum explosion radius
    const coreSize = 0.2;        // Size of the dense core (0-1)
    const outerDensity = 0.7;    // Density of particles in outer shell
    
    // Use golden ratio distribution for even spherical coverage
    const phi = Math.acos(1 - 2 * (i / count));
    const theta = Math.PI * 2 * i * (1 + Math.sqrt(5));
    
    // Calculate radial distance with more particles near center and at outer shell
    let normalizedRadius;
    const random = Math.random();
    
    if (i < count * coreSize) {
        // Dense core - distribute within inner radius
        normalizedRadius = Math.pow(random, 0.5) * 0.3;
    } else {
        // Explosion wave - distribute with more particles at the outer shell
        normalizedRadius = 0.3 + Math.pow(random, outerDensity) * 0.7;
    }
    
    // Scale to max radius
    const radius = normalizedRadius * maxRadius;
    
    // Convert spherical to Cartesian coordinates
    return new THREE.Vector3(
        Math.sin(phi) * Math.cos(theta) * radius,
        Math.sin(phi) * Math.sin(theta) * radius,
        Math.cos(phi) * radius
    );
}

function createKleinBottle(i, count) {
    // Klein Bottle parameters