setIdentity method
void
setIdentity()
Makes this into the identity matrix.
Implementation
void setIdentity() {
_m3storage[0] = 1.0;
_m3storage[1] = 0.0;
_m3storage[2] = 0.0;
_m3storage[3] = 0.0;
_m3storage[4] = 1.0;
_m3storage[5] = 0.0;
_m3storage[6] = 0.0;
_m3storage[7] = 0.0;
_m3storage[8] = 1.0;
}