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/RvlSDK-3.2.2/build/demos/axdemo/src/
Daxart3ddemo.c865 Vec ballPosInCamera; in CameraUpdate() local
868 MTXMultVec( Camera.viewMtx, &BallPosition, &ballPosInCamera ); in CameraUpdate()
871 if (ballPosInCamera.x > 0) in CameraUpdate()
872 hAngle = -atan2f( ballPosInCamera.x, ballPosInCamera.z ) + 3.14f; in CameraUpdate()
874 hAngle = -atan2f( ballPosInCamera.x, ballPosInCamera.z ) - 3.14f; in CameraUpdate()
876 if (ballPosInCamera.y > 0) in CameraUpdate()
877 vAngle = -atan2f( ballPosInCamera.y, ballPosInCamera.z ) + 3.14f; in CameraUpdate()
879 vAngle = -atan2f( ballPosInCamera.y, ballPosInCamera.z ) - 3.14f; in CameraUpdate()
882 newDist = sqrtf(((ballPosInCamera.x * ballPosInCamera.x) + in CameraUpdate()
883 (ballPosInCamera.y * ballPosInCamera.y) + in CameraUpdate()
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