Method testCollision

src/systems/CollisionDetectionSystem.cpp:1838–1858

Test collision and report contacts between two bodies.

// Test collision and report contacts between two bodies.
void CollisionDetectionSystem::testCollision(Body* body1, Body* body2, CollisionCallback& callback) {

    NarrowPhaseInput narrowPhaseInput(mMemoryManager.getPoolAllocator(), mOverlappingPairs);

    // Compute the broad-phase collision detection
    computeBroadPhase();

    // Filter the overlapping pairs to get only the ones with the selected body involved
    Array<uint64> convexPairs(mMemoryManager.getPoolAllocator());
    Array<uint64> concavePairs(mMemoryManager.getPoolAllocator());
    filterOverlappingPairs(body1->getEntity(), body2->getEntity(), convexPairs, concavePairs);

    if (convexPairs.size() > 0 || concavePairs.size() > 0) {

        // Compute the middle-phase collision detection
        computeMiddlePhaseCollisionSnapshot(convexPairs, concavePairs, narrowPhaseInput, true);

        // Compute the narrow-phase collision detection and report contacts
        computeNarrowPhaseCollisionSnapshot(narrowPhaseInput, callback);
    }
}

// Test collision and report all the contacts involving the body in parameter
void CollisionDetectionSystem::testCollision(Body* body, CollisionCallback& callback) {