Unity Performance Inspections

'Camera.main' is expensive  

'Camera.main' is expensive.

Expensive method invocation  

Expensive method invocation.

Expensive null comparison  

Expensive null comparison.

Order of multiplication operations is inefficient  

Order of multiplication operations is inefficient.

Use jagged or one-dimensional array instead of multidimensional array  

Use jagged or one-dimensional array instead of multidimensional array.