}
}
+bool Universe::collide_with_borders(Polygon *p, scalar_t padding) {
+ return p->collide_with_borders(padding, padding,_width - padding, _height - padding);
+
+}
+
bool Universe::collide(Polygon *p) {
for(int n = 0; n < _nb_polygons; n++)
if(_polygons[n] && _polygons[n]->collide(p)) return true;
}
}
-bool Universe::update(scalar_t dt) {
+bool Universe::update(scalar_t dt, scalar_t padding) {
bool result = false;
apply_collision_forces(dt);
for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) {
- _polygons[n]->apply_border_forces(dt, _width, _height);
+ _polygons[n]->apply_border_forces(dt,
+ padding, padding,
+ _width - padding, _height - padding);
result |= _polygons[n]->update(dt);
}
return result;
}
}
+void Universe::apply_gravity(scalar_t dt, scalar_t fx, scalar_t fy) {
+ for(int n = 0; n < _nb_polygons; n++)
+ if(_polygons[n])
+ _polygons[n]->apply_force(dt,
+ _polygons[n]->_center_x, _polygons[n]->_center_y,
+ fx, fy);
+}
+
void Universe::apply_collision_forces(scalar_t dt) {
const int nb_axis = 2;
int nb_collision[_nb_polygons * _nb_polygons];