/**
* Returns the vector element at the specified position, as a {@link Vec4}. This buffer's logical
* vector size must be either 2, 3 or 4.
*
* @param position the logical vector position.
* @return the vector at the specified vector position.
* @throws IllegalArgumentException if the position is out of range, or if this buffer cannot
* store a Vec4.
*/
public Vec4 getVector(int position) {
if (position < 0 || position >= this.getSize()) {
String message =
Logging.getMessage("generic.ArgumentOutOfRange", "position < 0 or position >= size");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (this.coordsPerVec != 2 && this.coordsPerVec != 3 && this.coordsPerVec != 4) {
String message = Logging.getMessage("generic.BufferIncompatible", this);
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
double[] compArray = new double[this.coordsPerVec];
this.get(position, compArray);
return Vec4.fromDoubleArray(compArray, 0, this.coordsPerVec);
}
