Method onContact

src/utils/DebugRenderer.cpp:530–564

Called when some contacts occur

// Called when some contacts occur
void DebugRenderer::onContact(const CollisionCallback::CallbackData& callbackData) {

	// If we need to draw contact points
    if (getIsDebugItemDisplayed(DebugItem::CONTACT_POINT) || getIsDebugItemDisplayed(DebugItem::CONTACT_NORMAL)) {

		// For each contact pair
        for (uint32 p = 0; p < callbackData.getNbContactPairs(); p++) {

			CollisionCallback::ContactPair contactPair = callbackData.getContactPair(p);

            if (contactPair.getEventType() != CollisionCallback::ContactPair::EventType::ContactExit) {

                // For each contact point of the contact pair
                for (uint32 c = 0; c < contactPair.getNbContactPoints(); c++) {

                    CollisionCallback::ContactPoint contactPoint = contactPair.getContactPoint(c);

                    Vector3 point = contactPair.getCollider1()->getLocalToWorldTransform() * contactPoint.getLocalPointOnCollider1();

                    if (getIsDebugItemDisplayed(DebugItem::CONTACT_POINT)) {

                        // Contact point
                        drawSphere(point, mContactPointSphereRadius, mMapDebugItemWithColor[DebugItem::CONTACT_POINT]);
                    }

                    if (getIsDebugItemDisplayed(DebugItem::CONTACT_NORMAL)) {

                        // Contact normal
                        mLines.add(DebugLine(point,  point + contactPoint.getWorldNormal() * mContactNormalLength, mMapDebugItemWithColor[DebugItem::CONTACT_NORMAL]));
                    }
                }
            }
		}
	}
}