translateByDouble method
Translate this matrix by x, y, z, w.
Implementation
void translateByDouble(double tx, double ty, double tz, double tw) {
final t1 = _m4storage[0] * tx +
_m4storage[4] * ty +
_m4storage[8] * tz +
_m4storage[12] * tw;
_m4storage[12] = t1;
final t2 = _m4storage[1] * tx +
_m4storage[5] * ty +
_m4storage[9] * tz +
_m4storage[13] * tw;
_m4storage[13] = t2;
final t3 = _m4storage[2] * tx +
_m4storage[6] * ty +
_m4storage[10] * tz +
_m4storage[14] * tw;
_m4storage[14] = t3;
final t4 = _m4storage[3] * tx +
_m4storage[7] * ty +
_m4storage[11] * tz +
_m4storage[15] * tw;
_m4storage[15] = t4;
}