test_growing_balls.c

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test_growing_balls.c
#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_sphere_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, 300, 0, 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 *e __UNUSED__, 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_event_callback_add(test_data->win, EVAS_CALLBACK_DEL,
_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, -50,
WIDTH - 100, FLOOR_Y - 40, DEPTH);
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);
}
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_bottom_boundary_add
EAPI EPhysics_Body * ephysics_body_bottom_boundary_add(EPhysics_World *world)
Create a physic bottom boundary.
ephysics_body_top_boundary_add
EAPI EPhysics_Body * ephysics_body_top_boundary_add(EPhysics_World *world)
Create a physic top boundary.
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_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
struct _EPhysics_Body EPhysics_Body
Body handle, represents an object on EPhysics world.
Definition: EPhysics.h:655
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_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.
ecore_timer_del
void * ecore_timer_del(Ecore_Timer *timer)
Deletes the specified timer from the timer list.
Definition: ecore_timer.c:238
ecore_timer_add
Ecore_Timer * ecore_timer_add(double in, Ecore_Task_Cb func, const void *data)
Creates a timer to call the given function in the given period of time.
Definition: ecore_timer.c:189
Ecore_Timer
Eo Ecore_Timer
A handle for timers.
Definition: Ecore_Common.h:3079
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_FOREACH
#define EINA_LIST_FOREACH(list, l, _data)
Definition for the macro to iterate over a list.
Definition: eina_list.h:1415
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
Eina_Bool
unsigned char Eina_Bool
Type to mimic a boolean.
Definition: eina_types.h:527
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_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_geometry_get
EVAS_API void evas_object_geometry_get(const Evas_Object *eo_obj, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h)
Retrieves the position and (rectangular) size of the given Evas object.
Definition: evas_object_main.c:1335
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_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
_Eina_List
Type for a generic double linked list.
Definition: eina_list.h:318