bool Web3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction, float& distance, BoxFace& face) {
//// Make sure position and rotation is updated.
applyTransformTo(_transform, true);
vec2 size = _resolution / _dpi * INCHES_TO_METERS * vec2(getDimensions());
// Produce the dimensions of the overlay based on the image's aspect ratio and the overlay's scale.
return findRayRectangleIntersection(origin, direction, getRotation(), getPosition(), size, distance);
}
bool Image3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
float& distance, BoxFace& face, glm::vec3& surfaceNormal, bool precisionPicking) {
if (_texture && _texture->isLoaded()) {
Transform transform = getTransform();
// Produce the dimensions of the overlay based on the image's aspect ratio and the overlay's scale.
bool isNull = _fromImage.isNull();
float width = isNull ? _texture->getWidth() : _fromImage.width();
float height = isNull ? _texture->getHeight() : _fromImage.height();
float maxSize = glm::max(width, height);
glm::vec2 dimensions = _dimensions * glm::vec2(width / maxSize, height / maxSize);
glm::quat rotation = transform.getRotation();
if (findRayRectangleIntersection(origin, direction, rotation, transform.getTranslation(), dimensions, distance)) {
glm::vec3 forward = rotation * Vectors::FRONT;
if (glm::dot(forward, direction) > 0.0f) {
face = MAX_Z_FACE;
surfaceNormal = -forward;
} else {
face = MIN_Z_FACE;
surfaceNormal = forward;
}
return true;
}
}
return false;
}
bool BillboardOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
float& distance, BoxFace& face) {
if (_texture) {
glm::quat rotation;
if (_isFacingAvatar) {
// rotate about vertical to face the camera
rotation = Application::getInstance()->getCamera()->getRotation();
rotation *= glm::angleAxis(glm::pi<float>(), glm::vec3(0.0f, 1.0f, 0.0f));
} else {
rotation = _rotation;
}
// Produce the dimensions of the billboard based on the image's aspect ratio and the overlay's scale.
bool isNull = _fromImage.isNull();
float width = isNull ? _texture->getWidth() : _fromImage.width();
float height = isNull ? _texture->getHeight() : _fromImage.height();
float maxSize = glm::max(width, height);
glm::vec2 dimensions = _scale * glm::vec2(width / maxSize, height / maxSize);
return findRayRectangleIntersection(origin, direction, rotation, _position, dimensions, distance);
}
return false;
}
bool Web3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction, float& distance, BoxFace& face, glm::vec3& surfaceNormal) {
// FIXME - face and surfaceNormal not being returned
// Don't call applyTransformTo() or setTransform() here because this code runs too frequently.
// Produce the dimensions of the overlay based on the image's aspect ratio and the overlay's scale.
return findRayRectangleIntersection(origin, direction, getRotation(), getPosition(), getSize(), distance);
}
bool WebEntityItem::findDetailedRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
bool& keepSearching, OctreeElementPointer& element, float& distance,
BoxFace& face, glm::vec3& surfaceNormal,
void** intersectedObject, bool precisionPicking) const {
glm::vec3 dimensions = getDimensions();
glm::vec2 xyDimensions(dimensions.x, dimensions.y);
glm::quat rotation = getRotation();
glm::vec3 position = getPosition() + rotation *
(dimensions * (getRegistrationPoint() - ENTITY_ITEM_DEFAULT_REGISTRATION_POINT));
// FIXME - should set face and surfaceNormal
return findRayRectangleIntersection(origin, direction, rotation, position, xyDimensions, distance);
}
bool TextEntityItem::findDetailedRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
OctreeElementPointer& element, float& distance,
BoxFace& face, glm::vec3& surfaceNormal,
QVariantMap& extraInfo, bool precisionPicking) const {
glm::vec3 dimensions = getScaledDimensions();
glm::vec2 xyDimensions(dimensions.x, dimensions.y);
glm::quat rotation = getWorldOrientation();
glm::vec3 position = getWorldPosition() + rotation *
(dimensions * (ENTITY_ITEM_DEFAULT_REGISTRATION_POINT - getRegistrationPoint()));
// FIXME - should set face and surfaceNormal
return findRayRectangleIntersection(origin, direction, rotation, position, xyDimensions, distance);
}
bool Image3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
float& distance, BoxFace& face) {
if (_texture && _texture->isLoaded()) {
// Make sure position and rotation is updated.
applyTransformTo(_transform, true);
// Produce the dimensions of the overlay based on the image's aspect ratio and the overlay's scale.
bool isNull = _fromImage.isNull();
float width = isNull ? _texture->getWidth() : _fromImage.width();
float height = isNull ? _texture->getHeight() : _fromImage.height();
float maxSize = glm::max(width, height);
glm::vec2 dimensions = _dimensions * glm::vec2(width / maxSize, height / maxSize);
return findRayRectangleIntersection(origin, direction, getRotation(), getPosition(), dimensions, distance);
}
return false;
}
bool Circle3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction, float& distance,
BoxFace& face, glm::vec3& surfaceNormal) {
// Scale the dimensions by the diameter
glm::vec2 dimensions = getOuterRadius() * 2.0f * getDimensions();
bool intersects = findRayRectangleIntersection(origin, direction, getRotation(), getPosition(), dimensions, distance);
if (intersects) {
glm::vec3 hitPosition = origin + (distance * direction);
glm::vec3 localHitPosition = glm::inverse(getRotation()) * (hitPosition - getPosition());
localHitPosition.x /= getDimensions().x;
localHitPosition.y /= getDimensions().y;
float distanceToHit = glm::length(localHitPosition);
intersects = getInnerRadius() <= distanceToHit && distanceToHit <= getOuterRadius();
}
return intersects;
}
bool WebEntityItem::findDetailedRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
OctreeElementPointer& element, float& distance,
BoxFace& face, glm::vec3& surfaceNormal,
QVariantMap& extraInfo, bool precisionPicking) const {
glm::vec3 dimensions = getScaledDimensions();
glm::vec2 xyDimensions(dimensions.x, dimensions.y);
glm::quat rotation = getWorldOrientation();
glm::vec3 position = getWorldPosition() + rotation * (dimensions * (ENTITY_ITEM_DEFAULT_REGISTRATION_POINT - getRegistrationPoint()));
rotation = EntityItem::getBillboardRotation(position, rotation, _billboardMode, EntityItem::getPrimaryViewFrustumPosition());
if (findRayRectangleIntersection(origin, direction, rotation, position, xyDimensions, distance)) {
glm::vec3 forward = rotation * Vectors::FRONT;
if (glm::dot(forward, direction) > 0.0f) {
face = MAX_Z_FACE;
surfaceNormal = -forward;
} else {
face = MIN_Z_FACE;
surfaceNormal = forward;
}
return true;
} else {
return false;
}
}
bool Planar3DOverlay::findRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
float& distance, BoxFace& face, glm::vec3& surfaceNormal) {
// FIXME - face and surfaceNormal not being returned
return findRayRectangleIntersection(origin, direction, getRotation(), getPosition(), getDimensions(), distance);
}
