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EPhysics: listen for associated evas object resize event 

So physics body will resize together.



SVN revision: 75230
This commit is contained in:
Bruno Dilly 2012-08-13 22:24:47 +00:00
parent 3c27a0288d
commit ae28b7a504
5 changed files with 192 additions and 34 deletions
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1
legacy/ephysics/src/bin/Makefile.am
View File

@ -27,6 +27,7 @@ test_collision_speed.c \
test_constraint.c \
test_delete.c \
test_falling_letters.c \
test_growing_balls.c \
test_jumping_balls.c \
test_no_gravity.c \
test_rotate.c \

2
legacy/ephysics/src/bin/test.c
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@ -20,6 +20,7 @@ void test_collision_speed(void *data, Evas_Object *obj, void *event_info);
void test_constraint(void *data, Evas_Object *obj, void *event_info);
void test_delete(void *data, Evas_Object *obj, void *event_info);
void test_falling_letters(void *data, Evas_Object *obj, void *event_info);
void test_growing_balls(void *data, Evas_Object *obj, void *event_info);
void test_jumping_balls(void *data, Evas_Object *obj, void *event_info);
void test_no_gravity(void *data, Evas_Object *obj, void *event_info);
void test_rotate(void *data, Evas_Object *obj, void *event_info);
@ -165,6 +166,7 @@ _main_win_add(char *autorun __UNUSED__, Eina_Bool test_win_only __UNUSED__)
ADD_TEST("CONSTRAINT", test_constraint);
ADD_TEST("DELETE BODY", test_delete);
ADD_TEST("FALLING LETTERS", test_falling_letters);
ADD_TEST("GROWING BALLS", test_growing_balls);
ADD_TEST("JUMPING BALLS", test_jumping_balls);
ADD_TEST("NO GRAVITY", test_no_gravity);
ADD_TEST("ROTATE", test_rotate);

121
legacy/ephysics/src/bin/test_growing_balls.c Normal file
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@ -0,0 +1,121 @@
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ephysics_test.h"
static Eina_Bool
_grow_cb(void *data)
{
Test_Data *test_data = data;
Evas_Object *obj;
Eina_List *l;
int size, i = -1;
EINA_LIST_FOREACH(test_data->evas_objs, l, obj)
{
evas_object_geometry_get(obj, NULL, NULL, &size, NULL);
size += i * 8;
i++;
if ((size < 20) || (size > 120))
continue;
evas_object_resize(obj, size, size);
}
return EINA_TRUE;
}
static void
_add_sphere(Test_Data *test_data, const char *group, int size, int x, int y)
{
EPhysics_Body *sphere_body;
Evas_Object *sphere;
sphere = elm_image_add(test_data->win);
elm_image_file_set(sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
group);
evas_object_move(sphere, x, y);
evas_object_resize(sphere, size, size);
evas_object_show(sphere);
test_data->evas_objs = eina_list_append(test_data->evas_objs, sphere);
sphere_body = ephysics_body_circle_add(test_data->world);
ephysics_body_evas_object_set(sphere_body, sphere, EINA_TRUE);
ephysics_body_restitution_set(sphere_body, 0.5);
ephysics_body_central_impulse_apply(sphere_body, 10, 0);
test_data->bodies = eina_list_append(test_data->bodies, sphere_body);
}
static void
_world_populate(Test_Data *test_data)
{
_add_sphere(test_data, "big-red-ball", 60, 100, 100);
_add_sphere(test_data, "big-blue-ball", 60, 150, 150);
_add_sphere(test_data, "big-green-ball", 60, 200, 200);
test_data->data = ecore_timer_add(1, _grow_cb, test_data);
}
static void
_win_del(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Test_Data *test_data = data;
Ecore_Timer *timer = test_data->data;
if (timer)
ecore_timer_del(timer);
test_data_del(test_data);
ephysics_shutdown();
}
static void
_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
{
Test_Data *test_data = data;
Ecore_Timer *timer = test_data->data;
if (timer)
ecore_timer_del(timer);
DBG("Restart pressed");
test_clean(test_data);
_world_populate(test_data);
}
void
test_growing_balls(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
EPhysics_Body *boundary;
EPhysics_World *world;
Test_Data *test_data;
if (!ephysics_init())
return;
test_data = test_data_new();
test_win_add(test_data, "Growing Balls", EINA_FALSE);
evas_object_smart_callback_add(test_data->win, "delete,request", _win_del,
test_data);
elm_object_signal_emit(test_data->layout, "borders,show", "ephysics_test");
elm_layout_signal_callback_add(test_data->layout, "restart", "test-theme",
_restart, test_data);
world = ephysics_world_new();
ephysics_world_render_geometry_set(world, 50, 40, WIDTH - 100, FLOOR_Y - 40);
test_data->world = world;
boundary = ephysics_body_bottom_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.8);
boundary = ephysics_body_top_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.8);
boundary = ephysics_body_left_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.8);
boundary = ephysics_body_right_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.8);
_world_populate(test_data);
}

100
legacy/ephysics/src/lib/ephysics_body.cpp
View File

@ -255,34 +255,6 @@ _ephysics_body_evas_obj_del_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj
DBG("Evas object deleted. Updating body: %p", body);
}
static void
_ephysics_body_del(EPhysics_Body *body)
{
EPhysics_Body_Callback *cb;
void *group;
if (body->evas_obj)
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_DEL,
_ephysics_body_evas_obj_del_cb);
while (body->callbacks)
{
cb = EINA_INLIST_CONTAINER_GET(body->callbacks,
EPhysics_Body_Callback);
body->callbacks = eina_inlist_remove(body->callbacks, body->callbacks);
free(cb);
}
EINA_LIST_FREE(body->collision_groups, group)
eina_stringshare_del((Eina_Stringshare *)group);
delete body->rigid_body->getMotionState();
delete body->collision_shape;
delete body->rigid_body;
free(body);
}
static void
_ephysics_body_geometry_set(EPhysics_Body *body, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
{
@ -310,10 +282,60 @@ _ephysics_body_geometry_set(EPhysics_Body *body, Evas_Coord x, Evas_Coord y, Eva
body->rigid_body->getMotionState()->setWorldTransform(trans);
body->w = w;
body->h = h;
DBG("Body %p position changed to %lf, %lf.", body, mx, my);
DBG("Body %p scale changed to %lf, %lf.", body, sx, sy);
}
static void
_ephysics_body_evas_obj_resize_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
EPhysics_Body *body = (EPhysics_Body *) data;
int x, y, w, h;
evas_object_geometry_get(obj, NULL, NULL, &w, &h);
if ((w == body->w) && (h == body->h))
return;
DBG("Resizing body %p to w=%i, h=%i", body, w, h);
ephysics_body_geometry_get(body, &x, &y, NULL, NULL);
_ephysics_body_geometry_set(body, x, y, w, h);
}
static void
_ephysics_body_del(EPhysics_Body *body)
{
EPhysics_Body_Callback *cb;
void *group;
if (body->evas_obj)
{
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_DEL,
_ephysics_body_evas_obj_del_cb);
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_RESIZE,
_ephysics_body_evas_obj_resize_cb);
}
while (body->callbacks)
{
cb = EINA_INLIST_CONTAINER_GET(body->callbacks,
EPhysics_Body_Callback);
body->callbacks = eina_inlist_remove(body->callbacks, body->callbacks);
free(cb);
}
EINA_LIST_FREE(body->collision_groups, group)
eina_stringshare_del((Eina_Stringshare *)group);
delete body->rigid_body->getMotionState();
delete body->collision_shape;
delete body->rigid_body;
free(body);
}
static void
_ephysics_body_evas_object_default_update(EPhysics_Body *body)
{
@ -668,8 +690,12 @@ ephysics_body_evas_object_set(EPhysics_Body *body, Evas_Object *evas_obj, Eina_B
}
if (body->evas_obj)
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_DEL,
_ephysics_body_evas_obj_del_cb);
{
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_DEL,
_ephysics_body_evas_obj_del_cb);
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_RESIZE,
_ephysics_body_evas_obj_resize_cb);
}
body->evas_obj = evas_obj;
evas_object_event_callback_add(evas_obj, EVAS_CALLBACK_DEL,
@ -678,6 +704,8 @@ ephysics_body_evas_object_set(EPhysics_Body *body, Evas_Object *evas_obj, Eina_B
if (!use_obj_pos)
return;
evas_object_event_callback_add(evas_obj, EVAS_CALLBACK_RESIZE,
_ephysics_body_evas_obj_resize_cb, body);
evas_object_geometry_get(body->evas_obj, &obj_x, &obj_y, &obj_w, &obj_h);
_ephysics_body_geometry_set(body, obj_x, obj_y, obj_w, obj_h);
}
@ -696,8 +724,12 @@ ephysics_body_evas_object_unset(EPhysics_Body *body)
body->evas_obj = NULL;
if (obj)
evas_object_event_callback_del(obj, EVAS_CALLBACK_DEL,
_ephysics_body_evas_obj_del_cb);
{
evas_object_event_callback_del(obj, EVAS_CALLBACK_DEL,
_ephysics_body_evas_obj_del_cb);
evas_object_event_callback_del(obj, EVAS_CALLBACK_RESIZE,
_ephysics_body_evas_obj_resize_cb);
}
return obj;
}
@ -756,8 +788,8 @@ ephysics_body_geometry_get(const EPhysics_Body *body, Evas_Coord *x, Evas_Coord
if (x) *x = round((trans.getOrigin().getX() - vector.x() / 2) * rate);
if (y) *y = height - round((trans.getOrigin().getY() + vector.y() / 2)
* rate);
if (w) *w = round(vector.x() * rate);
if (h) *h = round(vector.y() * rate);
if (w) *w = body->w;
if (h) *h = body->h;
}
EAPI void

2
legacy/ephysics/src/lib/ephysics_private.h
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@ -68,6 +68,8 @@ struct _EPhysics_Body {
Evas_Object *evas_obj;
EPhysics_World *world;
int walking;
Evas_Coord w;
Evas_Coord h;
void *data;
Eina_Inlist *callbacks;
Eina_List *collision_groups;