isIdentity static method
- Matrix4 a
Whether the given matrix is the identity matrix.
Implementation
static bool isIdentity(Matrix4 a) {
return a.storage[0] == 1.0 // col 1
&& a.storage[1] == 0.0
&& a.storage[2] == 0.0
&& a.storage[3] == 0.0
&& a.storage[4] == 0.0 // col 2
&& a.storage[5] == 1.0
&& a.storage[6] == 0.0
&& a.storage[7] == 0.0
&& a.storage[8] == 0.0 // col 3
&& a.storage[9] == 0.0
&& a.storage[10] == 1.0
&& a.storage[11] == 0.0
&& a.storage[12] == 0.0 // col 4
&& a.storage[13] == 0.0
&& a.storage[14] == 0.0
&& a.storage[15] == 1.0;
}