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Add new property-randomize command.

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Set a random value for a numeric property

Params:

  <property> - the name of the property to randomize
  <min> - the minimum allowed value
  <max> - the maximum allowed value
This commit is contained in:
david 2003-04-04 22:38:35 +00:00
parent abf660ecef
commit 7543355d17
1 changed files with 20 additions and 0 deletions
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20
src/Main/fg_commands.cxx
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@ -9,6 +9,7 @@
#include STL_FSTREAM
#include <simgear/debug/logstream.hxx>
#include <simgear/math/sg_random.h>
#include <simgear/misc/commands.hxx>
#include <simgear/misc/props.hxx>
#include <simgear/sg_inlines.h>
@ -684,6 +685,24 @@ do_property_cycle (const SGPropertyNode * arg)
}
/**
* Built-in command: randomize a numeric property value.
*
* property: the name of the property value to randomize.
* min: the minimum allowed value.
* max: the maximum allowed value.
*/
static bool
do_property_randomize (const SGPropertyNode * arg)
{
SGPropertyNode * prop = get_prop(arg);
double min = arg->getDoubleValue("min", DBL_MIN);
double max = arg->getDoubleValue("max", DBL_MAX);
prop->setDoubleValue(sg_random() * (max - min) + min);
std::cerr << "Random value is " << prop->getDoubleValue() << std::endl;
}
/**
* Built-in command: Show an XML-configured dialog.
*
@ -840,6 +859,7 @@ static struct {
{ "property-swap", do_property_swap },
{ "property-scale", do_property_scale },
{ "property-cycle", do_property_cycle },
{ "property-randomize", do_property_randomize },
{ "dialog-show", do_dialog_show },
{ "dialog-close", do_dialog_close },
{ "dialog-show", do_dialog_show },