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Merge pull request #3933 from ZappoMan/entityCollisions

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move emit of collisions to after done moving entities, so that callbacks can delete entities
This commit is contained in:
AndrewMeadows 2014-12-09 17:46:41 -08:00
commit 1697636db5
2 changed files with 8 additions and 8 deletions
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2
examples/collidingEntities.js
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@ -22,7 +22,7 @@ var velocity = {
y: 0, y: 0,
z: 1 }; z: 1 };
var damping = 0.1; var damping = 0;
var color = { var color = {
red: 255, red: 255,

14
libraries/entities/src/EntityCollisionSystem.cpp
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@ -170,12 +170,6 @@ void EntityCollisionSystem::updateCollisionWithEntities(EntityItem* entityA) {
quint64 now = usecTimestampNow(); quint64 now = usecTimestampNow();
Collision collision;
collision.penetration = penetration;
// for now the contactPoint is the average between the the two paricle centers
collision.contactPoint = (0.5f * (float)TREE_SCALE) * (entityA->getPosition() + entityB->getPosition());
emitGlobalEntityCollisionWithEntity(entityA, entityB, collision);
glm::vec3 axis = glm::normalize(penetration); glm::vec3 axis = glm::normalize(penetration);
glm::vec3 axialVelocity = glm::dot(relativeVelocity, axis) * axis; glm::vec3 axialVelocity = glm::dot(relativeVelocity, axis) * axis;
@ -232,7 +226,13 @@ void EntityCollisionSystem::updateCollisionWithEntities(EntityItem* entityA) {
// thereby waking up static non-moving entities. // thereby waking up static non-moving entities.
_entityTree->updateEntity(entityB, propertiesB); _entityTree->updateEntity(entityB, propertiesB);
_packetSender->queueEditEntityMessage(PacketTypeEntityAddOrEdit, idB, propertiesB); _packetSender->queueEditEntityMessage(PacketTypeEntityAddOrEdit, idB, propertiesB);
} }
// NOTE: Do this after updating the entities so that the callback can delete the entities if they want to
Collision collision;
collision.penetration = penetration;
collision.contactPoint = (0.5f * (float)TREE_SCALE) * (entityA->getPosition() + entityB->getPosition());
emitGlobalEntityCollisionWithEntity(entityA, entityB, collision);
} }
} }
} }