void CollisionPolygon2D::_add_to_collision_object(Object *p_obj) {
if (unparenting || !can_update_body)
return;
CollisionObject2D *co = p_obj->cast_to<CollisionObject2D>();
ERR_FAIL_COND(!co);
if (polygon.size() == 0)
return;
bool solids = build_mode == BUILD_SOLIDS;
if (solids) {
//here comes the sun, lalalala
//decompose concave into multiple convex polygons and add them
Vector<Vector<Vector2> > decomp = _decompose_in_convex();
shape_from = co->get_shape_count();
for (int i = 0; i < decomp.size(); i++) {
Ref<ConvexPolygonShape2D> convex = memnew(ConvexPolygonShape2D);
convex->set_points(decomp[i]);
co->add_shape(convex, get_transform());
if (trigger)
co->set_shape_as_trigger(co->get_shape_count() - 1, true);
}
shape_to = co->get_shape_count() - 1;
if (shape_to < shape_from) {
shape_from = -1;
shape_to = -1;
}
} else {
Ref<ConcavePolygonShape2D> concave = memnew(ConcavePolygonShape2D);
PoolVector<Vector2> segments;
segments.resize(polygon.size() * 2);
PoolVector<Vector2>::Write w = segments.write();
for (int i = 0; i < polygon.size(); i++) {
w[(i << 1) + 0] = polygon[i];
w[(i << 1) + 1] = polygon[(i + 1) % polygon.size()];
}
w = PoolVector<Vector2>::Write();
concave->set_segments(segments);
co->add_shape(concave, get_transform());
if (trigger)
co->set_shape_as_trigger(co->get_shape_count() - 1, true);
shape_from = co->get_shape_count() - 1;
shape_to = co->get_shape_count() - 1;
}
//co->add_shape(shape,get_transform());
}
void CollisionShape2D::_add_to_collision_object(Object *p_obj) {
CollisionObject2D *co = p_obj->cast_to<CollisionObject2D>();
ERR_FAIL_COND(!co);
co->add_shape(shape,get_transform());
if (trigger)
co->set_shape_as_trigger(co->get_shape_count()-1,true);
}
void CollisionPolygon2D::set_trigger(bool p_trigger) {
trigger = p_trigger;
_update_parent();
if (!can_update_body && is_inside_tree() && shape_from >= 0 && shape_to >= 0) {
CollisionObject2D *co = get_parent()->cast_to<CollisionObject2D>();
for (int i = shape_from; i <= shape_to; i++) {
co->set_shape_as_trigger(i, p_trigger);
}
}
}
void CollisionShape2D::set_trigger(bool p_trigger) {
trigger=p_trigger;
if (can_update_body) {
_update_parent();
} else if (is_inside_tree() && update_shape_index>=0) {
CollisionObject2D *co = get_parent()->cast_to<CollisionObject2D>();
if (co) {
co->set_shape_as_trigger(update_shape_index,p_trigger);
}
}
}
