Read a rotation from the request: `rotation_quat` (xyzw) preferred, * fall back to `rotation_euler` (degrees). Returns true if either * field was present + well-formed. Out stays at FQuat::Identity if * neither is set. */
| 83 | * field was present + well-formed. Out stays at FQuat::Identity if |
| 84 | * neither is set. */ |
| 85 | inline bool ReadRotation(const TSharedPtr<FJsonObject>& Req, FQuat& OutQ) |
| 86 | { |
| 87 | OutQ = FQuat::Identity; |
| 88 | const TArray<TSharedPtr<FJsonValue>>* Q = nullptr; |
| 89 | if (Req->TryGetArrayField(TEXT("rotation_quat"), Q) && Q && Q->Num() == 4) |
| 90 | { |
| 91 | OutQ = FQuat( |
| 92 | (*Q)[0]->AsNumber(), |
| 93 | (*Q)[1]->AsNumber(), |
| 94 | (*Q)[2]->AsNumber(), |
| 95 | (*Q)[3]->AsNumber()); |
| 96 | return true; |
| 97 | } |
| 98 | FVector Euler; |
| 99 | if (ReadVec3(Req, TEXT("rotation_euler"), Euler, FVector::ZeroVector)) |
| 100 | { |
| 101 | OutQ = FRotator(Euler.Y, Euler.Z, Euler.X).Quaternion(); |
| 102 | return true; |
| 103 | } |
| 104 | return false; |
| 105 | } |
| 106 | } // namespace URLabOpHelpers |
no test coverage detected