multiply function
Multiplies two vec4's
@param {vec4} out the receiving vector @param {ReadonlyVec4} a the first operand @param {ReadonlyVec4} b the second operand @returns {vec4} out
Implementation
List<double> multiply(List<double> out, List<double> a, List<double> b) {
out[0] = a[0] * b[0];
out[1] = a[1] * b[1];
out[2] = a[2] * b[2];
out[3] = a[3] * b[3];
return out;
}