A Paste by MrDutchy

int texture::wrap(int zx, int zy) {     if (zx<0) zx=size-1; else if (zx>size-1) zx=0;     if (zy<0) zy=size-1; else if (zy>size-1) zy=0;     return adress(zx,zy); } // then the pixel loop would be like // looping x,y then:     for (l=0; l<3; l++)     {         total=0;         // zeile 1         total+=colarr[wrap(x-1,y-1)+l];         total+=colarr[wrap(x  ,y-1)+l];         total+=colarr[wrap(x+1,y-1)+l];                              // zeile 2         total+=colarr[wrap(x-1,y)  +l];         total+=colarr[wrap(x  ,y)  +l];         total+=colarr[wrap(x+1,y)  +l];         // zeile 3         total+=colarr[wrap(x-1,y+1)+l];         total+=colarr[wrap(x  ,y+1)+l];         total+=colarr[wrap(x+1,y+1)+l];                              tmpcolarr[adress(x,y)+l] = (float)total/9;     }