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use rotation property to determine which axis is facing you

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This commit is contained in:
HifiExperiments 2021-01-21 19:21:38 -08:00
parent 3a821c2b74
commit 54d57afdae
3 changed files with 11 additions and 3 deletions
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4
interface/src/Application.cpp
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@ -2462,7 +2462,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
glm::vec3 dPosition = frustumPos - position;
// If x and z are 0, atan(x, z) is undefined, so default to 0 degrees
float yawRotation = dPosition.x == 0.0f && dPosition.z == 0.0f ? 0.0f : glm::atan(dPosition.x, dPosition.z);
glm::quat result = glm::quat(glm::vec3(0.0f, yawRotation, 0.0f));
glm::quat result = glm::quat(glm::vec3(0.0f, yawRotation, 0.0f)) * rotation;
if (rotate90x) {
result *= ROTATE_90X;
}
@ -2475,7 +2475,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
// make sure s is not NaN for any component
if (glm::length2(s) > 0.0f) {
glm::quat result = glm::conjugate(glm::toQuat(glm::lookAt(frustumPos, position, avatarUP)));
glm::quat result = glm::conjugate(glm::toQuat(glm::lookAt(frustumPos, position, avatarUP))) * rotation;
if (rotate90x) {
result *= ROTATE_90X;
}

3
libraries/entities/src/EntityItemProperties.cpp
View file

@ -811,7 +811,8 @@ EntityPropertyFlags EntityItemProperties::getChangedProperties() const {
* @property {Uuid[]} renderWithZones=[]] - A list of entity IDs representing with which zones this entity should render.
* If it is empty, this entity will render normally. Otherwise, this entity will only render if your avatar is within
* one of the zones in this list.
* @property {BillboardMode} billboardMode="none" - Whether the entity is billboarded to face the camera.
* @property {BillboardMode} billboardMode="none" - Whether the entity is billboarded to face the camera. Use the rotation
* property to control which axis is facing you.
*
* @property {Entities.Grab} grab - The entity's grab-related properties.
*

7
libraries/entities/src/EntityTree.cpp
View file

@ -3141,6 +3141,13 @@ bool EntityTree::readFromMap(QVariantMap& map, const bool isImport) {
}
}
// Before, billboarded entities ignored rotation. Now, they use it to determine which axis is facing you.
if (contentVersion < (int)EntityVersion::AllBillboardMode) {
if (properties.getBillboardMode() != BillboardMode::NONE) {
properties.setRotation(glm::quat());
}
}
EntityItemPointer entity = addEntity(entityItemID, properties, isImport);
if (!entity) {
qCDebug(entities) << "adding Entity failed:" << entityItemID << properties.getType();