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EPhysics: implement body velocity get 

Implementation of functions for retrieving both the linear and angular
velocity on x, y and z axis.

Patch by Leandro Dorileo <dorileo@profusion.mobi>



SVN revision: 73182
This commit is contained in:
Bruno Dilly 2012-07-03 02:15:28 +00:00
parent ef1660849b
commit dfd91827ee
2 changed files with 52 additions and 0 deletions
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27
legacy/ephysics/src/lib/EPhysics.h
View File

@ -968,6 +968,33 @@ EAPI void ephysics_body_mass_set(EPhysics_Body *body, double mass);
*/
EAPI double ephysics_body_mass_get(const EPhysics_Body *body);
/**
* @brief
* Get body's linear velocity on x and y axis.
*
* @param body The physics body.
* @param x The linear velocity on axis x.
* @param y The linear velocity on axis y.
*
* @see ephysics_body_angular_velocity_get().
*
* @ingroup EPhysics_Body
*/
EAPI void ephysics_body_linear_velocity_get(const EPhysics_Body *body, double *x, double *y);
/**
* @brief
* Get body's angular velocity on z axis.
*
* @param body The physics body.
* @param z The angular velocity on axis z.
*
* @see ephysics_body_linear_velocity_get().
*
* @ingroup EPhysics_Body
*/
EAPI void ephysics_body_angular_velocity_get(const EPhysics_Body *body, double *z);
/**
* @brief
* Update the evas object associated to the body.

25
legacy/ephysics/src/lib/ephysics_body.cpp
View File

@ -547,6 +547,31 @@ ephysics_body_mass_get(const EPhysics_Body *body)
return 1 / body->rigid_body->getInvMass();
}
EAPI void
ephysics_body_linear_velocity_get(const EPhysics_Body *body, double *x, double *y)
{
if (!body)
{
ERR("Can't get body linear velocity, body is null.");
return;
}
if (x) *x = body->rigid_body->getLinearVelocity().getX();
if (y) *y = body->rigid_body->getLinearVelocity().getY();
}
EAPI void
ephysics_body_angular_velocity_get(const EPhysics_Body *body, double *z)
{
if (!body)
{
ERR("Can't get body linear velocity, body is null.");
return;
}
if (z) *z = body->rigid_body->getAngularVelocity().getZ();
}
EAPI void
ephysics_body_evas_object_update(EPhysics_Body *body)
{