squaredLength function
Calculates the squared length of a vec4
@param {ReadonlyVec4} a vector to calculate squared length of @returns {Number} squared length of a
Implementation
double squaredLength(List<double> a) {
final x = a[0];
final y = a[1];
final z = a[2];
final w = a[3];
return x * x + y * y + z * z + w * w;
}