test_camera.c

ephysics_test.h

#ifndef _EPHYSICS_PRIVATE_H
#define _EPHYSICS_PRIVATE_H
#include <Edje.h>
#include <Elementary.h>
#include <Eina.h>
#include <Evas.h>
#include "EPhysics.h"
#ifdef EPHYSICS_LOG_COLOR
#undef EPHYSICS_LOG_COLOR
#endif
#define EPHYSICS_LOG_COLOR EINA_COLOR_BLUE
#ifdef ERR
# undef ERR
#endif
#define ERR(...) EINA_LOG_DOM_ERR(_ephysics_test_log_dom, __VA_ARGS__)
#ifdef DBG
# undef DBG
#endif
#define DBG(...) EINA_LOG_DOM_DBG(_ephysics_test_log_dom, __VA_ARGS__)
#ifdef INF
# undef INF
#endif
#define INF(...) EINA_LOG_DOM_INFO(_ephysics_test_log_dom, __VA_ARGS__)
#ifdef WRN
# undef WRN
#endif
#define WRN(...) EINA_LOG_DOM_WARN(_ephysics_test_log_dom, __VA_ARGS__)
#ifdef CRI
# undef CRI
#endif
#define CRI(...) EINA_LOG_DOM_CRIT(_ephysics_test_log_dom, __VA_ARGS__)
#define EPHYSICS_TEST_THEME "ephysics_test"
#define WIDTH (512)
#define HEIGHT (384)
#define DEPTH (100)
#define SHADOW_ALPHA_ID (1)
#define FLOOR_Y (344)
#define FLOOR_WIDTH (750)
#define SH_THRESHOLD (200)
#ifdef __cplusplus
extern "C" {
#endif
extern int _ephysics_test_log_dom;
typedef struct _Test_Data Test_Data;
struct _Test_Data {
Evas_Object *layout;
Eina_List *constraints;
Eina_List *evas_objs;
Eina_List *bodies;
void *data;
};
Test_Data *test_data_new(void);
void test_data_del(Test_Data *test_data);
void test_clean(Test_Data *test_data);
void test_win_add(Test_Data *test_data, const char *title, Eina_Bool autodel);
void update_object_cb(void *data, EPhysics_Body *body, void *event_info);
#ifdef __cplusplus
}
#endif
#endif
These routines are used for EPhysics library interaction.
Edje Graphical Design Library.
Eina Utility library.
struct _EPhysics_Body EPhysics_Body
Body handle, represents an object on EPhysics world.
Definition: EPhysics.h:655
struct _EPhysics_World EPhysics_World
World handle, most basic type of EPhysics.
Definition: EPhysics.h:901
unsigned char Eina_Bool
Type to mimic a boolean.
Definition: eina_types.h:527
Efl_Canvas_Object Evas_Object
An Evas Object handle.
Definition: Evas_Common.h:185
Type for a generic double linked list.
Definition: eina_list.h:318

test_camera.c

test_clean(Test_Data *test_data)
{
EPhysics_Constraint *constraint;
Evas_Object *evas_obj;
EINA_LIST_FREE(test_data->constraints, constraint)
EINA_LIST_FREE(test_data->bodies, body)
EINA_LIST_FREE(test_data->evas_objs, evas_obj)
evas_object_del(evas_obj);
}
EAPI void ephysics_body_del(EPhysics_Body *body)
Delete a physics body.
struct _EPhysics_Constraint EPhysics_Constraint
Constraint handle, used to limit bodies movements.
Definition: EPhysics.h:4531
EAPI void ephysics_constraint_del(EPhysics_Constraint *constraint)
Deletes a physics constraint.
#define EINA_LIST_FREE(list, data)
Definition for the macro to remove each list node while having access to each node's data.
Definition: eina_list.h:1629
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
test_win_add(Test_Data *test_data, const char *title, Eina_Bool autodel)
{
Evas_Object *win, *ly;
win = elm_win_add(NULL, title, ELM_WIN_BASIC);
elm_win_title_set(win, title);
test_data->win = win;
if (autodel)
_subwin_del_cb, test_data);
ly = elm_layout_add(win);
evas_object_size_hint_min_set(ly, WIDTH, HEIGHT);
evas_object_size_hint_max_set(ly, WIDTH, HEIGHT);
elm_layout_file_set(ly, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
"frame");
test_data->layout = ly;
}
@ EVAS_CALLBACK_DEL
Object Being Deleted (called before Free)
Definition: Evas_Common.h:439
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition: eina_types.h:539
Evas_Object * elm_layout_add(Evas_Object *parent)
Add a new layout to the parent.
Definition: efl_ui_layout.c:3067
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
void elm_win_title_set(Evas_Object *obj, const char *title)
Set the title of the window.
Definition: efl_ui_win.c:8641
void elm_win_resize_object_add(Eo *obj, Evas_Object *subobj)
Add subobj as a resize object of window obj.
Definition: efl_ui_win.c:8997
void elm_win_autodel_set(Eo *obj, Eina_Bool autodel)
Set the window's autodel state.
Definition: efl_ui_win.c:6194
Evas_Object * elm_win_add(Evas_Object *parent, const char *name, Elm_Win_Type type)
Adds a window object.
Definition: efl_ui_win.c:9550
@ ELM_WIN_BASIC
A normal window.
Definition: elm_win_legacy.h:65
EVAS_API void evas_object_show(Evas_Object *eo_obj)
Makes the given Evas object visible.
Definition: evas_object_main.c:1814
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_API void evas_object_size_hint_max_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
Sets the hints for an object's maximum size.
Definition: evas_object_main.c:2596
EVAS_API void evas_object_size_hint_min_set(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
Sets the hints for an object's minimum size.
Definition: evas_object_main.c:2611
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ephysics_test.h"
typedef struct _Camera_Data Camera_Data;
struct _Camera_Data {
Test_Data base;
Ecore_Animator *animator;
int old_x;
};
static void
_update_floor(Evas_Object *floor_obj, Evas_Coord delta)
{
int fx, x, y;
evas_object_geometry_get(floor_obj, &x, &y, NULL, NULL);
fx = x + delta;
if (fx < -FLOOR_WIDTH)
fx += 2 * FLOOR_WIDTH;
evas_object_move(floor_obj, fx, y);
}
static void
_camera_moved_cb(void *data, EPhysics_World *world __UNUSED__, void *event_info)
{
EPhysics_Camera *camera = event_info;
Camera_Data *camera_data = data;
Evas_Object *floor_obj;
int x;
DBG("Camera moved");
ephysics_camera_position_get(camera, &x, NULL);
floor_obj = evas_object_data_get(camera_data->base.layout, "floor");
_update_floor(floor_obj, camera_data->old_x - x);
floor_obj = evas_object_data_get(camera_data->base.layout, "floor2");
_update_floor(floor_obj, camera_data->old_x - x);
camera_data->old_x = x;
}
static Eina_Bool
_camera_move_cb(void *data)
{
Camera_Data *camera_data = data;
EPhysics_Camera *camera;
int x, y, w;
ephysics_world_render_geometry_get(camera_data->base.world,
NULL, NULL, NULL, &w, NULL, NULL);
camera = ephysics_world_camera_get(camera_data->base.world);
if (x + w > WIDTH * 2)
{
camera_data->animator = NULL;
return EINA_FALSE;
}
x += 2;
return EINA_TRUE;
}
static void
_world_populate(Camera_Data *camera_data)
{
Evas_Object *sphere, *shadow;
EPhysics_Body *fall_body;
shadow = elm_layout_add(camera_data->base.win);
shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
evas_object_move(shadow, WIDTH / 3, FLOOR_Y);
evas_object_resize(shadow, 70, 3);
camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
shadow);
sphere = elm_image_add(camera_data->base.win);
sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
"big-blue-ball");
evas_object_move(sphere, WIDTH / 3, FLOOR_Y - 70);
evas_object_resize(sphere, 70, 70);
camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
sphere);
fall_body = ephysics_body_sphere_add(camera_data->base.world);
update_object_cb, shadow);
camera_data->base.bodies = eina_list_append(camera_data->base.bodies,
fall_body);
ephysics_body_central_impulse_apply(fall_body, 300, 0, 0);
shadow = elm_layout_add(camera_data->base.win);
shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
evas_object_move(shadow, WIDTH * 4 / 3, FLOOR_Y);
evas_object_resize(shadow, 70, 3);
camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
shadow);
sphere = elm_image_add(camera_data->base.win);
sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "big-red-ball");
evas_object_move(sphere, WIDTH * 4 / 3, FLOOR_Y - 70);
evas_object_resize(sphere, 70, 70);
camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
sphere);
fall_body = ephysics_body_sphere_add(camera_data->base.world);
ephysics_body_mass_set(fall_body, 4.6);
update_object_cb, shadow);
camera_data->base.bodies = eina_list_append(camera_data->base.bodies,
fall_body);
camera_data->animator = ecore_animator_add(_camera_move_cb, camera_data);
}
static void
_win_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Camera_Data *camera_data = data;
if (camera_data->animator)
ecore_animator_del(camera_data->animator);
test_clean((Test_Data *)camera_data);
evas_object_del(camera_data->base.layout);
ephysics_world_del(camera_data->base.world);
free(camera_data);
}
static void
_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
{
Camera_Data *camera_data = data;
EPhysics_Camera *camera;
Evas_Object *floor_obj;
DBG("Restart pressed");
if (camera_data->animator)
ecore_animator_del(camera_data->animator);
camera = ephysics_world_camera_get(camera_data->base.world);
camera_data->old_x = 0;
floor_obj = evas_object_data_get(camera_data->base.layout, "floor");
evas_object_move(floor_obj, 0, FLOOR_Y - 20);
floor_obj = evas_object_data_get(camera_data->base.layout, "floor2");
evas_object_move(floor_obj, FLOOR_WIDTH, FLOOR_Y - 20);
test_clean((Test_Data *)camera_data);
_world_populate(camera_data);
}
void
test_camera(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Camera_Data *camera_data;
EPhysics_Body *boundary;
Evas_Object *floor_obj;
if (!ephysics_init())
return;
camera_data = calloc(1, sizeof(Camera_Data));
if (!camera_data)
{
ERR("Failed to create test data");
return;
}
test_win_add((Test_Data *)camera_data, "Camera", EINA_FALSE);
_win_del, camera_data);
elm_layout_signal_callback_add(camera_data->base.layout, "restart",
"test-theme", _restart, camera_data);
floor_obj = elm_image_add(camera_data->base.win);
floor_obj, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "floor");
evas_object_move(floor_obj, 0, FLOOR_Y - 20);
evas_object_resize(floor_obj, FLOOR_WIDTH, 224);
evas_object_show(floor_obj);
evas_object_data_set(camera_data->base.layout, "floor", floor_obj);
floor_obj = elm_image_add(camera_data->base.win);
floor_obj, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "floor");
evas_object_move(floor_obj, FLOOR_WIDTH, FLOOR_Y - 20);
evas_object_resize(floor_obj, FLOOR_WIDTH, 224);
evas_object_show(floor_obj);
evas_object_data_set(camera_data->base.layout, "floor2", floor_obj);
world = ephysics_world_new();
WIDTH - 100, FLOOR_Y - 40, DEPTH);
_camera_moved_cb, camera_data);
camera_data->base.world = world;
boundary = ephysics_body_box_add(camera_data->base.world);
ephysics_body_mass_set(boundary, 0);
ephysics_body_geometry_set(boundary, 0, FLOOR_Y, -15, WIDTH * 2, 10, 30);
_world_populate(camera_data);
}
int Evas_Coord
Type used for coordinates (in pixels, int).
Definition: Evas_Common.h:116
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.
EAPI EPhysics_Body * ephysics_body_box_add(EPhysics_World *world)
Create a new box physics body.
EAPI void ephysics_body_restitution_set(EPhysics_Body *body, double restitution)
Set body's coefficient of restitution.
EAPI void ephysics_body_geometry_set(EPhysics_Body *body, Evas_Coord x, Evas_Coord y, Evas_Coord z, Evas_Coord w, Evas_Coord h, Evas_Coord d)
Set physics body geometry.
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.
EAPI void ephysics_body_friction_set(EPhysics_Body *body, double friction)
Set body's friction.
EAPI EPhysics_Body * ephysics_body_sphere_add(EPhysics_World *world)
Create a new sphere physics body.
EAPI void ephysics_body_mass_set(EPhysics_Body *body, double mass)
Set body's mass.
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_CALLBACK_BODY_UPDATE
Body being updated.
Definition: EPhysics.h:2263
EAPI void ephysics_camera_position_get(const EPhysics_Camera *camera, Evas_Coord *x, Evas_Coord *y)
Get camera's position.
struct _EPhysics_Camera EPhysics_Camera
Camera handle, used to change the position of the frame to be rendered.
Definition: EPhysics.h:673
EAPI void ephysics_camera_position_set(EPhysics_Camera *camera, Evas_Coord x, Evas_Coord y)
Set camera's position.
EAPI void ephysics_world_event_callback_add(EPhysics_World *world, EPhysics_Callback_World_Type type, EPhysics_World_Event_Cb func, const void *data)
Register a callback to a type of physics world event.
EAPI void ephysics_world_render_geometry_get(const EPhysics_World *world, Evas_Coord *x, Evas_Coord *y, Evas_Coord *z, Evas_Coord *w, Evas_Coord *h, Evas_Coord *d)
Get dimensions of rendered area to be take on account by default updates.
EAPI EPhysics_World * ephysics_world_new(void)
Create a new physics world.
EAPI void ephysics_world_del(EPhysics_World *world)
Deletes a physics world.
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.
EAPI EPhysics_Camera * ephysics_world_camera_get(const EPhysics_World *world)
Get the camera used by an ephysics world.
@ EPHYSICS_CALLBACK_WORLD_CAMERA_MOVED
camera position changed
Definition: EPhysics.h:919
EAPI int ephysics_shutdown(void)
Shutdown EPhysics.
EAPI int ephysics_init(void)
Initialize EPhysics.
Ecore_Animator * ecore_animator_add(Ecore_Task_Cb func, const void *data)
Adds an animator to call func at every animation tick during main loop execution.
Definition: ecore_anim.c:537
void * ecore_animator_del(Ecore_Animator *animator)
Deletes the specified animator from the animator list.
Definition: ecore_anim.c:846
#define ERR(...)
Macro for logging Eina errors.
Definition: eina_file_common.h:161
#define DBG(...)
Macro for logging Eina debug messages.
Definition: eina_file_common.h:179
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
#define EINA_FALSE
boolean value FALSE (numerical value 0)
Definition: eina_types.h:533
Evas_Object * elm_image_add(Evas_Object *parent)
Add a new image to the parent.
Definition: efl_ui_image.c:2735
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
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
Eo Evas
An opaque handle to an Evas canvas.
Definition: Evas_Common.h:163
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_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_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_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_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
Opaque handle to manage Ecore Animator objects.