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only throw events when in contact with other object -- not for the whole ray

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This commit is contained in:
Dave Schuyler 2004-01-07 20:03:06 +00:00
parent 0e1b91eaa2
commit 68f91e700a
1 changed files with 20 additions and 0 deletions
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20
panda/src/collide/collisionHandlerGravity.cxx
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@ -66,6 +66,17 @@ handle_entries() {
bool okflag = true;
_outer_space = true;
if (0) {
cout << endl;
cerr
<< "CollisionHandlerGravity.handle_entries {\n"
<< "_from_entries has " << _from_entries.size()
<< "_colliders has " << _colliders.size()
<< "current_colliding has " << _current_colliding.size()
<< " entries, last_colliding has " << _last_colliding.size()
<< "\n}" << endl;
}
FromEntries::const_iterator fi;
for (fi = _from_entries.begin(); fi != _from_entries.end(); ++fi) {
const NodePath &from_node_path = (*fi).first;
@ -88,6 +99,7 @@ handle_entries() {
bool got_max = false;
float max_height = 0.0f;
CollisionEntry* highest;
if (!entries.empty()) {
_outer_space = false;
}
@ -108,6 +120,7 @@ handle_entries() {
if (!got_max || height > max_height) {
got_max = true;
max_height = height;
highest = entry;
}
}
}
@ -144,11 +157,18 @@ handle_entries() {
_airborne_height = -max_height + adjust;
}
// ...we are airborne.
// We only collide with things we are impacting with.
// Remove the collisions:
_current_colliding.clear();
if (_airborne_height < 0.001f && _current_velocity < 0.001f) {
// ...the node is under the floor, so it has landed.
_impact_velocity = _current_velocity;
// These values are used by is_on_ground().
_current_velocity = _airborne_height = 0.0f;
// Add only the one that we're impacting with:
add_entry(highest);
}
CPT(TransformState) trans = def._target.get_transform();