test_delete.c
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ephysics_test.h"
typedef struct _Collision_Data Collision_Data;
struct _Collision_Data {
Test_Data base;
EPhysics_Body *sphere;
EPhysics_Body *sphere2;
};
static void
_del_cb(void *data, EPhysics_Body *body, void *event_info __UNUSED__)
{
Collision_Data *collision_data = data;
Evas_Object *obj, *shadow;
obj = ephysics_body_evas_object_get(body);
shadow = evas_object_data_get(obj, "shadow");
collision_data->base.evas_objs = eina_list_remove(
collision_data->base.evas_objs, shadow);
collision_data->base.evas_objs = eina_list_remove(
collision_data->base.evas_objs, obj);
evas_object_del(shadow);
evas_object_del(obj);
collision_data->sphere = NULL;
}
static void
_collision_cb(void *data, EPhysics_Body *body, void *event_info)
{
EPhysics_Body_Collision *collision = event_info;
Collision_Data *collision_data = data;
EPhysics_Body *contact_body;
contact_body = ephysics_body_collision_contact_body_get(collision);
if (contact_body != collision_data->sphere2) return;
collision_data->base.bodies = eina_list_remove(collision_data->base.bodies,
body);
INF("Collision Detected");
ephysics_body_del(body);
}
static void
_world_populate(Collision_Data *collision_data)
{
Evas_Object *sphere1, *sphere2, *sh1, *sh2;
EPhysics_Body *sphere_body1, *sphere_body2;
sh1 = elm_layout_add(collision_data->base.win);
elm_layout_file_set(
sh1, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
evas_object_move(sh1, WIDTH / 2, FLOOR_Y);
evas_object_resize(sh1, 70, 3);
evas_object_show(sh1);
collision_data->base.evas_objs = eina_list_append(
collision_data->base.evas_objs, sh1);
sphere1 = elm_image_add(collision_data->base.win);
elm_image_file_set(
sphere1, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
"big-red-ball");
evas_object_move(sphere1, WIDTH / 2, FLOOR_Y - 70 + 1);
evas_object_resize(sphere1, 70, 70);
evas_object_show(sphere1);
evas_object_data_set(sphere1, "shadow", sh1);
collision_data->base.evas_objs = eina_list_append(
collision_data->base.evas_objs, sphere1);
sphere_body1 = ephysics_body_sphere_add(collision_data->base.world);
ephysics_body_evas_object_set(sphere_body1, sphere1, EINA_TRUE);
ephysics_body_event_callback_add(sphere_body1,
EPHYSICS_CALLBACK_BODY_UPDATE,
update_object_cb, sh1);
ephysics_body_event_callback_add(sphere_body1,
EPHYSICS_CALLBACK_BODY_DEL,
_del_cb, collision_data);
ephysics_body_restitution_set(sphere_body1, 0.8);
ephysics_body_friction_set(sphere_body1, 0.4);
collision_data->base.bodies = eina_list_append(
collision_data->base.bodies, sphere_body1);
collision_data->sphere = sphere_body1;
sh2 = elm_layout_add(collision_data->base.win);
elm_layout_file_set(
sh2, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
evas_object_move(sh2, WIDTH / 8, FLOOR_Y);
evas_object_resize(sh2, 70, 3);
evas_object_show(sh2);
collision_data->base.evas_objs = eina_list_append(
collision_data->base.evas_objs, sh2);
sphere2 = elm_image_add(collision_data->base.win);
elm_image_file_set(
sphere2, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
"big-green-ball");
evas_object_move(sphere2, WIDTH / 8, FLOOR_Y - 70 + 1);
evas_object_resize(sphere2, 70, 70);
evas_object_show(sphere2);
collision_data->base.evas_objs = eina_list_append(
collision_data->base.evas_objs, sphere2);
sphere_body2 = ephysics_body_sphere_add(collision_data->base.world);
ephysics_body_evas_object_set(sphere_body2, sphere2, EINA_TRUE);
ephysics_body_event_callback_add(sphere_body2,
EPHYSICS_CALLBACK_BODY_UPDATE,
update_object_cb, sh2);
ephysics_body_restitution_set(sphere_body2, 1);
ephysics_body_friction_set(sphere_body2, 0.4);
ephysics_body_central_impulse_apply(sphere_body2, 360, 0, 0);
collision_data->sphere2 = sphere_body2;
collision_data->base.bodies = eina_list_append(
collision_data->base.bodies, sphere_body2);
ephysics_body_event_callback_add(collision_data->sphere,
EPHYSICS_CALLBACK_BODY_COLLISION,
_collision_cb, collision_data);
}
static void
_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
{
Collision_Data *collision_data = data;
DBG("Restart pressed");
test_clean((Test_Data *)collision_data);
_world_populate(collision_data);
}
static void
_win_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Collision_Data *collision_data = data;
test_clean((Test_Data *)collision_data);
evas_object_del(collision_data->base.layout);
ephysics_world_del(collision_data->base.world);
free(collision_data);
ephysics_shutdown();
}
void
test_delete(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Collision_Data *collision_data;
EPhysics_Body *boundary;
EPhysics_World *world;
if (!ephysics_init())
return;
collision_data = calloc(1, sizeof(Collision_Data));
if (!collision_data)
{
ERR("Failed to create test data");
ephysics_shutdown();
return;
}
test_win_add((Test_Data *)collision_data, "Delete Body", EINA_FALSE);
evas_object_event_callback_add(collision_data->base.win, EVAS_CALLBACK_DEL,
_win_del, collision_data);
elm_object_signal_emit(collision_data->base.layout, "borders,show",
"ephysics_test");
elm_layout_signal_callback_add(collision_data->base.layout, "restart",
"test-theme", _restart, collision_data);
world = ephysics_world_new();
ephysics_world_render_geometry_set(world, 50, 40, -50,
WIDTH - 100, FLOOR_Y - 40, DEPTH);
collision_data->base.world = world;
boundary = ephysics_body_bottom_boundary_add(collision_data->base.world);
ephysics_body_restitution_set(boundary, 0);
ephysics_body_friction_set(boundary, 20);
ephysics_body_left_boundary_add(collision_data->base.world);
ephysics_body_right_boundary_add(collision_data->base.world);
_world_populate(collision_data);
ephysics_body_event_callback_add(collision_data->sphere,
EPHYSICS_CALLBACK_BODY_COLLISION,
_collision_cb, collision_data);
}
EVAS_CALLBACK_DEL
@ EVAS_CALLBACK_DEL
Object Being Deleted (called before Free)
Definition: Evas_Common.h:439
ephysics_body_evas_object_set
EAPI void ephysics_body_evas_object_set(EPhysics_Body *body, Evas_Object *evas_obj, Eina_Bool use_obj_pos)
Set an evas object to a physics body.
EPhysics_Body_Collision
struct _EPhysics_Body_Collision EPhysics_Body_Collision
Body collision wraps collision informations.
Definition: EPhysics.h:2247
ephysics_body_evas_object_get
EAPI Evas_Object * ephysics_body_evas_object_get(const EPhysics_Body *body)
Get the evas object associated to a physics body.
ephysics_body_left_boundary_add
EAPI EPhysics_Body * ephysics_body_left_boundary_add(EPhysics_World *world)
Create a physic left boundary.
ephysics_body_restitution_set
EAPI void ephysics_body_restitution_set(EPhysics_Body *body, double restitution)
Set body's coefficient of restitution.
ephysics_body_central_impulse_apply
EAPI void ephysics_body_central_impulse_apply(EPhysics_Body *body, double x, double y, double z)
Apply an impulse on the center of a body.
ephysics_body_friction_set
EAPI void ephysics_body_friction_set(EPhysics_Body *body, double friction)
Set body's friction.
ephysics_body_del
EAPI void ephysics_body_del(EPhysics_Body *body)
Delete a physics body.
ephysics_body_sphere_add
EAPI EPhysics_Body * ephysics_body_sphere_add(EPhysics_World *world)
Create a new sphere physics body.
ephysics_body_right_boundary_add
EAPI EPhysics_Body * ephysics_body_right_boundary_add(EPhysics_World *world)
Create a physic right boundary.
ephysics_body_bottom_boundary_add
EAPI EPhysics_Body * ephysics_body_bottom_boundary_add(EPhysics_World *world)
Create a physic bottom boundary.
ephysics_body_event_callback_add
EAPI void ephysics_body_event_callback_add(EPhysics_Body *body, EPhysics_Callback_Body_Type type, EPhysics_Body_Event_Cb func, const void *data)
Register a callback to a type of physics body event.
ephysics_body_collision_contact_body_get
EAPI EPhysics_Body * ephysics_body_collision_contact_body_get(const EPhysics_Body_Collision *collision)
Get the body's collision contact body.
EPhysics_Body
struct _EPhysics_Body EPhysics_Body
Body handle, represents an object on EPhysics world.
Definition: EPhysics.h:655
EPHYSICS_CALLBACK_BODY_COLLISION
@ EPHYSICS_CALLBACK_BODY_COLLISION
Body collided with other body.
Definition: EPhysics.h:2264
EPHYSICS_CALLBACK_BODY_DEL
@ EPHYSICS_CALLBACK_BODY_DEL
Body being deleted (called before free)
Definition: EPhysics.h:2265
EPHYSICS_CALLBACK_BODY_UPDATE
@ EPHYSICS_CALLBACK_BODY_UPDATE
Body being updated.
Definition: EPhysics.h:2263
ephysics_world_new
EAPI EPhysics_World * ephysics_world_new(void)
Create a new physics world.
EPhysics_World
struct _EPhysics_World EPhysics_World
World handle, most basic type of EPhysics.
Definition: EPhysics.h:901
ephysics_world_del
EAPI void ephysics_world_del(EPhysics_World *world)
Deletes a physics world.
ephysics_world_render_geometry_set
EAPI void ephysics_world_render_geometry_set(EPhysics_World *world, Evas_Coord x, Evas_Coord y, Evas_Coord z, Evas_Coord w, Evas_Coord h, Evas_Coord d)
Set dimensions of rendered area to be take on account by default updates.
ephysics_shutdown
EAPI int ephysics_shutdown(void)
Shutdown EPhysics.
ephysics_init
EAPI int ephysics_init(void)
Initialize EPhysics.
ERR
#define ERR(...)
Macro for logging Eina errors.
Definition: eina_file_common.h:161
INF
#define INF(...)
Macro for logging Eina info messages.
Definition: eina_file_common.h:173
DBG
#define DBG(...)
Macro for logging Eina debug messages.
Definition: eina_file_common.h:179
eina_list_append
EINA_API Eina_List * eina_list_append(Eina_List *list, const void *data)
Appends the given data to the given linked list.
Definition: eina_list.c:584
eina_list_remove
EINA_API Eina_List * eina_list_remove(Eina_List *list, const void *data)
Removes the first instance of the specified data from the given list.
Definition: eina_list.c:773
EINA_TRUE
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition: eina_types.h:539
EINA_FALSE
#define EINA_FALSE
boolean value FALSE (numerical value 0)
Definition: eina_types.h:533
elm_object_signal_emit
void elm_object_signal_emit(Evas_Object *obj, const char *emission, const char *source)
Send a signal to the widget edje object.
Definition: elm_main.c:1854
elm_image_add
Evas_Object * elm_image_add(Evas_Object *parent)
Add a new image to the parent.
Definition: efl_ui_image.c:2735
elm_image_file_set
Eina_Bool elm_image_file_set(Evas_Object *obj, const char *file, const char *group)
Set the file that will be used as the image's source.
Definition: efl_ui_image.c:2435
elm_layout_file_set
Eina_Bool elm_layout_file_set(Eo *obj, const char *file, const char *group)
Set the file that will be used as layout.
Definition: efl_ui_layout.c:3074
elm_layout_add
Evas_Object * elm_layout_add(Evas_Object *parent)
Add a new layout to the parent.
Definition: efl_ui_layout.c:3067
elm_layout_signal_callback_add
void elm_layout_signal_callback_add(Eo *obj, const char *emission, const char *source, Edje_Signal_Cb func, void *data)
Add a callback for a (Edje) signal emitted by a layout widget's underlying Edje object.
Definition: efl_ui_layout.c:3316
Evas
Eo Evas
An opaque handle to an Evas canvas.
Definition: Evas_Common.h:163
evas_object_show
EVAS_API void evas_object_show(Evas_Object *eo_obj)
Makes the given Evas object visible.
Definition: evas_object_main.c:1814
evas_object_del
EVAS_API void evas_object_del(Evas_Object *obj)
Marks the given Evas object for deletion (when Evas will free its memory).
Definition: evas_object_main.c:928
evas_object_event_callback_add
EVAS_API void evas_object_event_callback_add(Evas_Object *eo_obj, Evas_Callback_Type type, Evas_Object_Event_Cb func, const void *data)
Add (register) a callback function to a given Evas object event.
Definition: evas_callbacks.c:478
evas_object_data_get
EVAS_API void * evas_object_data_get(const Evas_Object *obj, const char *key)
Return an attached data pointer on an Evas object by its given string key.
Definition: evas_data.c:12
evas_object_data_set
EVAS_API void evas_object_data_set(Evas_Object *eo_obj, const char *key, const void *data)
Set an attached data pointer to an object with a given string key.
Definition: evas_data.c:5
evas_object_move
EVAS_API void evas_object_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
Move the given Evas object to the given location inside its canvas' viewport.
Definition: evas_object_main.c:1171
Evas_Object
Efl_Canvas_Object Evas_Object
An Evas Object handle.
Definition: Evas_Common.h:185
evas_object_resize
EVAS_API void evas_object_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
Changes the size of the given Evas object.
Definition: evas_object_main.c:1236