vector2 vector2_next_step(vector2 origin, vector2 target) {
if(vector2_equals(origin, target)) return origin;
vector2 delta = vector2_subtract(target, origin);
int abs_x = abs(delta.x);
int abs_y = abs(delta.y);
vector2 movement;
if(abs_x > abs_y)
//hay mas distancia en x, nos movemos en x
movement = vector2_new(delta.x / abs_x, 0);
else
//hay mas distancia en y, nos movemos en y
movement = vector2_new(0, delta.y / abs_y);
return vector2_add(origin, movement);
}
int vector2_within_map(vector2 v, vector2 map_limits) {
return vector2_between(v, vector2_new(0,0), map_limits);
}
vector2 vector2_new() {
return vector2_new(0, 0);
}
static int vector2_ctor(lua_State* L)
{
LuaStack stack(L);
stack.remove(1); // Remove table
return vector2_new(L);
}
