+
+static void moveobj(struct object *obj, int px0, int py0, int px1, int py1)
+{
+ cgm_ray ray;
+ float dist;
+ cgm_vec3 p0, p1;
+
+ primray(&ray, px0, py0);
+ cgm_vnormalize(&ray.dir);
+ dist = ray_object_dist(&ray, obj);
+ cgm_raypos(&p0, &ray, dist);
+ primray(&ray, px1, py1);
+ cgm_vnormalize(&ray.dir);
+ cgm_raypos(&p1, &ray, dist);
+
+ cgm_vsub(&p1, &p0);
+ cgm_vadd(&obj->pos, &p1);
+ obj->xform_valid = 0;
+}