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test fix 2

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This commit is contained in:
Aronwk
2025-08-31 03:47:58 -05:00
parent 721a85932a
commit 9ff8134de8
3 changed files with 52 additions and 108 deletions
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100
dGame/dPropertyBehaviors/Strip.cpp
View File

@@ -209,6 +209,10 @@ void Strip::ProcNormalAction(float deltaTime, ModelComponent& modelComponent) {
m_IsRotating = true;
m_InActionTranslation.y = isSpinNegative ? -number : number;
m_PreviousFrameRotation = entity.GetRotation();
// compute the absolute rotation target quaternion
NiPoint3 deltaEuler = NiPoint3(0.0f, Math::DegToRad(m_InActionTranslation.y), 0.0f);
m_RotationTarget = m_PreviousFrameRotation;
m_RotationTarget *= NiQuaternion::FromEulerAngles(deltaEuler);
// d/vi = t
// radians/velocity = time
// only care about the time, direction is irrelevant here
@@ -223,6 +227,9 @@ void Strip::ProcNormalAction(float deltaTime, ModelComponent& modelComponent) {
m_IsRotating = true;
m_InActionTranslation.x = isRotateLeft ? -number : number;
m_PreviousFrameRotation = entity.GetRotation();
NiPoint3 deltaEuler = NiPoint3(Math::DegToRad(m_InActionTranslation.x), 0.0f, 0.0f);
m_RotationTarget = m_PreviousFrameRotation;
m_RotationTarget *= NiQuaternion::FromEulerAngles(deltaEuler);
}
} else if (nextActionType == "Roll" || nextActionType == "RollNegative") {
const float radians = Math::DegToRad(number);
@@ -234,6 +241,9 @@ void Strip::ProcNormalAction(float deltaTime, ModelComponent& modelComponent) {
m_IsRotating = true;
m_InActionTranslation.z = isRotateDown ? -number : number;
m_PreviousFrameRotation = entity.GetRotation();
NiPoint3 deltaEuler = NiPoint3(0.0f, 0.0f, Math::DegToRad(m_InActionTranslation.z));
m_RotationTarget = m_PreviousFrameRotation;
m_RotationTarget *= NiQuaternion::FromEulerAngles(deltaEuler);
}
}
/* END Rotate */
@@ -379,83 +389,37 @@ bool Strip::CheckRotation(float deltaTime, ModelComponent& modelComponent) {
LOG("Velocity: x=%f, y=%f, z=%f", Math::RadToDeg(getAngVel.angVelocity.x) * deltaTime, Math::RadToDeg(getAngVel.angVelocity.y) * deltaTime, Math::RadToDeg(getAngVel.angVelocity.z) * deltaTime);
m_PreviousFrameRotation = curRotation;
// Convert frame delta (radians) to absolute degrees moved this frame per axis.
// Use the reported angular velocity (radians/sec) * deltaTime instead of extracting
// Euler angles from the quaternion difference. Extracting Euler angles from a
// combined-axis quaternion won't produce per-axis rotations when axes rotate
// simultaneously, which caused late stopping. Using angular velocity is consistent
// with how velocity is applied in SimplePhysicsComponent.
NiPoint3 angMovedDegrees = NiPoint3(std::abs(Math::RadToDeg(getAngVel.angVelocity.x) * deltaTime),
std::abs(Math::RadToDeg(getAngVel.angVelocity.y) * deltaTime),
std::abs(Math::RadToDeg(getAngVel.angVelocity.z) * deltaTime));
const auto [rotateX, rotateY, rotateZ] = m_InActionTranslation;
bool rotateFinished = true; // assume finished until an axis proves otherwise
NiPoint3 finalRotationAdjustment = NiPoint3Constant::ZERO;
// Use a small epsilon to avoid missing the exact-zero case due to floating point
constexpr float EPS_DEG = 1e-3f;
// Handle each axis independently so we can rotate on multiple axes at once.
if (rotateX != 0.0f) {
m_InActionTranslation.x -= angMovedDegrees.x;
// Finished if we crossed zero or are within epsilon
if (std::signbit(m_InActionTranslation.x) != std::signbit(rotateX) || std::abs(m_InActionTranslation.x) <= EPS_DEG) {
finalRotationAdjustment.x = Math::DegToRad(m_InActionTranslation.x);
m_InActionTranslation.x = 0.0f;
} else {
rotateFinished = false;
}
}
if (rotateY != 0.0f) {
m_InActionTranslation.y -= angMovedDegrees.y;
if (std::signbit(m_InActionTranslation.y) != std::signbit(rotateY) || std::abs(m_InActionTranslation.y) <= EPS_DEG) {
finalRotationAdjustment.y = Math::DegToRad(m_InActionTranslation.y);
m_InActionTranslation.y = 0.0f;
} else {
rotateFinished = false;
}
}
if (rotateZ != 0.0f) {
m_InActionTranslation.z -= angMovedDegrees.z;
if (std::signbit(m_InActionTranslation.z) != std::signbit(rotateZ) || std::abs(m_InActionTranslation.z) <= EPS_DEG) {
finalRotationAdjustment.z = Math::DegToRad(m_InActionTranslation.z);
m_InActionTranslation.z = 0.0f;
} else {
rotateFinished = false;
}
}
if (rotateFinished && (finalRotationAdjustment != NiPoint3Constant::ZERO)) {
LOG("Rotation finished, zeroing angVel for finished axes");
// Zero only the angular velocity channels that have just finished.
if (rotateX != 0.0f) getAngVel.angVelocity.x = 0.0f;
if (rotateY != 0.0f) getAngVel.angVelocity.y = 0.0f;
if (rotateZ != 0.0f) getAngVel.angVelocity.z = 0.0f;
// Use quaternion remaining angle to decide completion. Compute the quaternion
// that rotates from the current rotation to the target rotation. If the
// rotation angle of that quaternion is below an epsilon, we're finished.
NiQuaternion remaining = modelComponent.GetParent()->GetRotation().Diff(m_RotationTarget);
float w = remaining.w;
if (w > 1.0f) w = 1.0f; // clamp
if (w < -1.0f) w = -1.0f;
// angle (radians) = 2 * acos(w)
float angleRemainingRad = 2.0f * acos(w);
float angleRemainingDeg = Math::RadToDeg(angleRemainingRad);
constexpr float EPS_DEG = 0.1f; // finish when less than 0.1 degree remains
if (angleRemainingDeg <= EPS_DEG) {
LOG("Rotation finished by quaternion remaining angle (%f deg)", angleRemainingDeg);
// Zero angular velocity on axes that were part of this action (safe to zero all)
getAngVel.angVelocity = NiPoint3Constant::ZERO;
GameMessages::SetAngularVelocity setAngVel{};
setAngVel.target = modelComponent.GetParent()->GetObjectID();
setAngVel.angVelocity = getAngVel.angVelocity;
setAngVel.Send();
// Do the final adjustment so we will have rotated exactly the requested units
auto currentRot = modelComponent.GetParent()->GetRotation();
NiQuaternion finalAdjustment = NiQuaternion::FromEulerAngles(finalRotationAdjustment);
currentRot *= finalAdjustment;
currentRot.Normalize();
modelComponent.GetParent()->SetRotation(currentRot);
// If all axes are zeroed out then stop rotating
if (m_InActionTranslation == NiPoint3Constant::ZERO) {
m_IsRotating = false;
}
// Snap to exact target to avoid tiny residual error
modelComponent.GetParent()->SetRotation(m_RotationTarget);
m_InActionTranslation = NiPoint3Constant::ZERO;
m_IsRotating = false;
return true;
}
LOG("angVel: x=%f, y=%f, z=%f", m_InActionTranslation.x, m_InActionTranslation.y, m_InActionTranslation.z);
return rotateFinished;
// Not finished yet
return false;
}
void Strip::Update(float deltaTime, ModelComponent& modelComponent) {

3
dGame/dPropertyBehaviors/Strip.h
View File

@@ -78,6 +78,9 @@ private:
NiQuaternion m_PreviousFrameRotation{};
// The absolute target rotation for the current rotation action
NiQuaternion m_RotationTarget{};
NiPoint3 m_SavedVelocity{};
};

57
tests/dGameTests/dPropertyBehaviorsTests/StripRotationTest.cpp
View File

@@ -7,47 +7,24 @@
// Test that rotating a quaternion by 90 degrees on each axis in one frame
// yields approximately 90 degrees when converted back to Euler angles.
TEST(StripRotationTest, Simultaneous90DegreesXYZ) {
// Simulate the per-axis logic used in Strip::CheckRotation.
// Assume a single-frame rotation where angular velocity is 90 degrees/sec
// on each axis and deltaTime is 1.0 seconds. The remaining rotation
// prior to the frame is 90 degrees on each axis.
NiPoint3 remainingRotationDeg(90.0f, 90.0f, 90.0f);
NiPoint3 angularVelocityDegPerSec(90.0f, 90.0f, 90.0f);
const float deltaTime = 1.0f;
// Use quaternion math to verify a single-frame rotation of 90deg on each axis
// reaches the composed target. Start rotation is identity.
NiQuaternion start = NiQuaternionConstant::IDENTITY;
NiPoint3 targetEulerRad(Math::DegToRad(90.0f), Math::DegToRad(90.0f), Math::DegToRad(90.0f));
NiQuaternion target = NiQuaternion::FromEulerAngles(targetEulerRad);
// Compute degrees moved this frame per axis
NiPoint3 angMovedDegrees(std::abs(angularVelocityDegPerSec.x) * deltaTime,
std::abs(angularVelocityDegPerSec.y) * deltaTime,
std::abs(angularVelocityDegPerSec.z) * deltaTime);
// Simulate applying angular velocity of 90deg/sec on each axis for 1 second
NiPoint3 appliedEulerRad = targetEulerRad; // angularVel * deltaTime
NiQuaternion afterFrame = start;
afterFrame *= NiQuaternion::FromEulerAngles(appliedEulerRad);
// Subtract movement from remaining rotation per axis (mirrors Strip logic)
bool rotateFinished = true;
constexpr float EPS_DEG = 1e-3f;
// Remaining quaternion from current to target should be identity (or near it)
NiQuaternion remaining = afterFrame.Diff(target);
float w = remaining.w;
if (w > 1.0f) w = 1.0f;
if (w < -1.0f) w = -1.0f;
float angleRemainingDeg = Math::RadToDeg(2.0f * acos(w));
// X
remainingRotationDeg.x -= angMovedDegrees.x;
if (std::signbit(remainingRotationDeg.x) != std::signbit(90.0f) || std::abs(remainingRotationDeg.x) <= EPS_DEG) {
remainingRotationDeg.x = 0.0f;
} else {
rotateFinished = false;
}
// Y
remainingRotationDeg.y -= angMovedDegrees.y;
if (std::signbit(remainingRotationDeg.y) != std::signbit(90.0f) || std::abs(remainingRotationDeg.y) <= EPS_DEG) {
remainingRotationDeg.y = 0.0f;
} else {
rotateFinished = false;
}
// Z
remainingRotationDeg.z -= angMovedDegrees.z;
if (std::signbit(remainingRotationDeg.z) != std::signbit(90.0f) || std::abs(remainingRotationDeg.z) <= EPS_DEG) {
remainingRotationDeg.z = 0.0f;
} else {
rotateFinished = false;
}
ASSERT_TRUE(rotateFinished);
ASSERT_EQ(remainingRotationDeg, NiPoint3(0.0f, 0.0f, 0.0f));
// Allow a small residual due to floating point and composition order
ASSERT_LE(angleRemainingDeg, 0.2f);
}