return(memcmp(a,b,sizeof(t_3dvec)));
}
+double v3_scalar_product(t_3dvec *a,t_3dvec *b) {
+
+ return(a->x*b->x+a->y*b->y+a->z*b->z);
+}
+
double v3_absolute_square(t_3dvec *a) {
return(a->x*a->x+a->y*a->y+a->z*a->z);
return(sqrt(v3_absolute_square(a)));
}
-int v3_per_bounds(t_3dvec *a,t_3dvec *dim) {
+int v3_per_bound(t_3dvec *a,t_3dvec *dim) {
double x,y,z;
y=0.5*dim->y;
z=0.5*dim->z;
- if(a->x>x) a->x-=dim->x;
+ if(a->x>=x) a->x-=dim->x;
else if(-a->x>x) a->x+=dim->x;
- if(a->y>y) a->y-=dim->y;
+ if(a->y>=y) a->y-=dim->y;
else if(-a->y>y) a->y+=dim->y;
- if(a->z>z) a->z-=dim->z;
+ if(a->z>=z) a->z-=dim->z;
else if(-a->z>z) a->z+=dim->z;
return 0;