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Merge pull request #13548 from luiscuenca/slantedAvatarFix

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Fix avatar become more and more slanted over time while in HMD mode
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John Conklin II 2018-07-05 15:53:45 -07:00 committed by GitHub
commit a97d4f655a
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1 changed files with 2 additions and 1 deletions
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libraries/physics/src/CharacterController.cpp
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@ -269,7 +269,8 @@ void CharacterController::playerStep(btCollisionWorld* collisionWorld, btScalar
}
btQuaternion deltaRot = desiredRot * startRot.inverse();
float angularSpeed = deltaRot.getAngle() / _followTimeRemaining;
btQuaternion angularDisplacement = btQuaternion(deltaRot.getAxis(), angularSpeed * dt);
glm::vec3 rotationAxis = glm::normalize(glm::axis(bulletToGLM(deltaRot))); // deltaRot.getAxis() is inaccurate
btQuaternion angularDisplacement = btQuaternion(glmToBullet(rotationAxis), angularSpeed * dt);
btQuaternion endRot = angularDisplacement * startRot;
// in order to accumulate displacement of avatar position, we need to take _shapeLocalOffset into account.