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src/Viewer/sview.*: added support for damping in rotate steps.

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Julian Smith 2021-02-10 22:06:04 +00:00
parent 9008b3194f
commit 1ff0ce2222
2 changed files with 9 additions and 3 deletions
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9
src/Viewer/sview.cxx
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@ -144,11 +144,11 @@ struct SviewPosDir
/* Generic damping support. Improved version of class in view.hxx and view.cxx. /* Generic damping support. Improved version of class in view.hxx and view.cxx.
We model dx/dt = (target-current)/damping_time, do damping_time is time for We model dx/dt = (target-current)/damping_time, do damping_time is time for
value to change by a factor or e. */ value to change by a factor of e. */
struct Damping { struct Damping {
/* If m_wrap_max is non-zero, we wrap to ensure values are always between 0 /* If m_wrap_max is non-zero, we wrap to ensure values are always between 0
and m_wrap_max. E.g. use m_wrap_max=360 for an angle. */ and m_wrap_max. E.g. use m_wrap_max=360 for an angle in degrees. */
Damping(double damping_time, double wrap_max=0, double current=0) Damping(double damping_time, double wrap_max=0, double current=0)
: :
m_damping_time(damping_time), m_damping_time(damping_time),
@ -1353,7 +1353,10 @@ struct SviewViewEyeTarget : SviewView
step->getDoubleValue("heading"), step->getDoubleValue("heading"),
step->getDoubleValue("pitch"), step->getDoubleValue("pitch"),
step->getDoubleValue("roll"), step->getDoubleValue("roll"),
step->getBoolValue("fixed") step->getBoolValue("fixed"),
step->getDoubleValue("damping-heading"),
step->getDoubleValue("damping-pitch"),
step->getDoubleValue("damping-roll")
)); ));
} }
else if (!strcmp(type, "rotate-current-view")) { else if (!strcmp(type, "rotate-current-view")) {

3
src/Viewer/sview.hxx
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@ -132,6 +132,9 @@ An sview-step is:
fixed: fixed:
If false (the default), mouse drags modify heading and If false (the default), mouse drags modify heading and
pitch. pitch.
damping-time-heading, damping-time-pitch, damping-time-roll:
Damping times for heading, pitch and roll; zero gives no
damping. See 'agl' below for details of damping.
"rotate-current-view": "rotate-current-view":
Rotate view direction by current /sim/current-view/.... Rotate view direction by current /sim/current-view/....
"rotate-to-target": "rotate-to-target":