public GRotation(String axis, double angle) {
this();
double ca = Math.cos(angle);
double sa = Math.sin(angle);
if (axis.equals(Z_AXIS)) {
mtx[0][0] = ca;
mtx[0][1] = -sa;
mtx[1][0] = sa;
mtx[1][1] = ca;
} else if (axis.equals(Y_AXIS)) {
mtx[0][0] = ca;
mtx[0][2] = -sa;
mtx[2][0] = sa;
mtx[2][2] = ca;
/*
mtx[0][0] = sa;
mtx[0][2] = ca;
mtx[2][0] = ca;
mtx[2][2] = -sa;
*/
} else {
E.error("unknown axis " + axis);
}
}
public void setFunctions(ArrayList<Function> ctfa) {
if (funcs != null) {
E.error("overwriting functions?");
}
funcs = ctfa;
}