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EPhysics: optimization and fixes for camera 

Avoid calling update of inactive bodies if camera didn't really
moved.

And update them if camera_position_set is called.



SVN revision: 75147
This commit is contained in:
Bruno Dilly 2012-08-10 21:04:35 +00:00
parent 1de4a67ca0
commit 9eb298827c
1 changed files with 17 additions and 7 deletions
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24
legacy/ephysics/src/lib/ephysics_camera.cpp
View File

@ -24,24 +24,32 @@ static void
_ephysics_camera_target_move_cb(void *data, EPhysics_Body *body, void *event_info __UNUSED__)
{
EPhysics_Camera *camera = (EPhysics_Camera *) data;
int x, y, w, h, ww, wh;
int x, y, w, h, ww, wh, new_x, new_y;
ephysics_body_geometry_get(body, &x, &y, &w, &h);
ephysics_world_render_geometry_get(camera->world, NULL, NULL, &ww, &wh);
if (camera->track_horizontal)
{
camera->x = x + w / 2 - ww / 2;
camera->moved = EINA_TRUE;
new_x = x + w / 2 - ww / 2;
if (camera->x != new_x)
{
camera->x = new_x;
camera->moved = EINA_TRUE;
}
}
if (camera->track_vertical)
{
camera->y = y + h / 2 - wh / 2;
camera->moved = EINA_TRUE;
new_y = y + h / 2 - wh / 2;
if (camera->y != new_y)
{
camera->y = new_y;
camera->moved = EINA_TRUE;
}
}
DBG("Camera position set to (%i, %i).", camera->x, camera->y);
WRN("Camera position set to (%i, %i).", camera->x, camera->y);
}
static void
@ -125,6 +133,7 @@ ephysics_camera_position_set(EPhysics_Camera *camera, Evas_Coord x, Evas_Coord y
camera->x = x;
camera->y = y;
camera->moved = EINA_TRUE;
INF("Camera position set to (%i, %i).", x, y);
}
@ -184,7 +193,8 @@ ephysics_camera_body_track(EPhysics_Camera *camera, EPhysics_Body *body, Eina_Bo
ephysics_body_event_callback_add(body, EPHYSICS_CALLBACK_BODY_DEL,
_ephysics_camera_target_del_cb, camera);
INF("Camera is tracking body %p.", body);
INF("Camera is tracking body %p: hor = %i, ver = %i.", body,
camera->track_horizontal, camera->track_vertical);
}
EAPI void