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Add comments re upcoming physics changes.

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This commit is contained in:
Howard Stearns 2015-07-02 10:07:14 -05:00
parent d0675c7f22
commit 1f3a1f6ac8
1 changed files with 7 additions and 1 deletions

8
interface/src/avatar/AvatarManager.cpp
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@ -258,6 +258,10 @@ void AvatarManager::handleOutgoingChanges(VectorOfMotionStates& motionStates) {
void AvatarManager::handleCollisionEvents(CollisionEvents& collisionEvents) {
// TODO: expose avatar collision events to JS
for (Collision collision : collisionEvents) {
// TODO: Current physics uses null idA or idB for non-entities. The plan is to handle MOTIONSTATE_TYPE_AVATAR,
// and then MOTIONSTATE_TYPE_MYAVATAR. As it is, this code only covers the case of my avatar (in which case one
// if the ids will be null), and the behavior for other avatars is not specified. This has to be fleshed
// out as soon as we use the new motionstates.
if (collision.idA.isNull() || collision.idB.isNull()) {
MyAvatar* myAvatar = getMyAvatar();
const QString& collisionSoundURL = myAvatar->getCollisionSoundURL();
@ -267,7 +271,9 @@ void AvatarManager::handleCollisionEvents(CollisionEvents& collisionEvents) {
const bool isSound = (collision.type == CONTACT_EVENT_TYPE_START) && (velocityChange > MIN_AVATAR_COLLISION_ACCELERATION);
if (!isSound) {
break;
// TODO: When the new motion states are used, we'll probably break from the whole loop as soon as we hit our own avatar
// (regardless of isSound), because other users should inject for their own avatars.
continue;
}
// Your avatar sound is personal to you, so let's say the "mass" part of the kinetic energy is already accounted for.
const float energy = velocityChange * velocityChange;