i have not tried this, not style, happens if declare ivar

code:

float cubematerialdiffusion[4];

does allocated space array within object? if so, if expect use array not vary in size, can provide pointer using address operator '&' (it seems poor style me, me).

 

is same cubematerialdiffusion array used instances of class? if so, use static c array, defined outside @interface. put in @implementation file, , declare static array:

code:

static float cubematerialdiffusion[] = {0.3, 0.7, 0.3, 1.0}; 

if don't know why i'm using static, should in c reference.

might want const qualifier on there, too, assuming array read-only.


if need different cubematerialdiffusion array each instance, it's sydde showed:

code:

@interface yourclassname : yoursuperclass {   float cubematerialdiffusion[4]; ..etc.. @end 

you don't use concise initializer notation, in init method:

code:

cubematerialdiffusion[0] = 0.3; cubematerialdiffusion[1] = 0.7; cubematerialdiffusion[2] = 0.3; cubematerialdiffusion[3] = 1.0; 

this same every other use of instance variable. don't concise initializers any of them. +alloc method guarantees ivars zeroed. other initialization responsibility.

 

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