test_rotating_forever.c

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test_rotating_forever.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 {
EPhysics_World *world;
Evas_Object *layout;
Evas_Object *win;
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

# test_rotating_forever.c

test_clean(Test_Data *test_data)
{
EPhysics_Constraint *constraint;
Evas_Object *evas_obj;
EPhysics_Body *body;
EINA_LIST_FREE(test_data->constraints, constraint)
ephysics_constraint_del(constraint);
EINA_LIST_FREE(test_data->bodies, body)
ephysics_body_del(body);
EINA_LIST_FREE(test_data->evas_objs, evas_obj)
evas_object_del(evas_obj);
}

test_data_new(void)
{
Test_Data *test_data;
test_data = calloc(1, sizeof(Test_Data));
if (!test_data)
ERR("Failed to create test data");
return test_data;
}

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);
elm_win_autodel_set(win, EINA_TRUE);
evas_object_show(win);
test_data->win = win;
if (autodel)
evas_object_event_callback_add(win, EVAS_CALLBACK_DEL,
_subwin_del_cb, test_data);
ly = elm_layout_add(win);
elm_win_resize_object_add(win, ly);
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");
evas_object_show(ly);
test_data->layout = ly;
}
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ephysics_test.h"
static Eina_Bool
_rotate_cb(void *data)
{
EPhysics_Quaternion *quat_prev, quat_delta, quat;
EPhysics_Body *body = data;
quat_prev = ephysics_body_rotation_get(body, NULL);
ephysics_quaternion_set(&quat_delta, 0, 0, -0.15, 0.98);
ephysics_quaternion_normalize(&quat_delta);
ephysics_body_rotation_set(
body, ephysics_quaternion_multiply(&quat_delta, quat_prev, &quat));
free(quat_prev);
return EINA_TRUE;
}
static Eina_Bool
_increase_torque_cb(void *data)
{
EPhysics_Body *body = data;
Evas_Object *obj;
ephysics_body_torque_apply(body, 0, 0, 2);
obj = ephysics_body_evas_object_get(body);
evas_object_data_set(obj, "increase_timer", NULL);
return EINA_FALSE;
}
static Eina_Bool
_stop_torque_cb(void *data)
{
EPhysics_Body *body = data;
Evas_Object *obj;
ephysics_body_forces_clear(body);
obj = ephysics_body_evas_object_get(body);
evas_object_data_set(obj, "stop_timer", NULL);
return EINA_FALSE;
}
static void
_del_cb(void *data, EPhysics_Body *body __UNUSED__, void *event_info __UNUSED__)
{
ecore_timer_del(data);
}
static void
_del_torque_cb(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
Ecore_Timer *timer;
timer = evas_object_data_get(obj, "increase_timer");
if (timer)
ecore_timer_del(timer);
timer = evas_object_data_get(obj, "stop_timer");
if (timer)
ecore_timer_del(timer);
}
static void
_update_object_cb(void *data __UNUSED__, EPhysics_Body *body, void *event_info __UNUSED__)
{
double rx, ry, rz, rw, vrot, torque;
EPhysics_Quaternion quat;
ephysics_body_angular_velocity_get(body, NULL, NULL, &vrot);
ephysics_body_torques_get(body, NULL, NULL, &torque);
ephysics_body_rotation_get(body, &quat);
ephysics_quaternion_get(&quat, &rx, &ry, &rz, &rw);
ephysics_body_evas_object_update(body);
DBG("body: %p, rot: (%lf, %lf, %lf, %lf), vrot: %lf, torque: %lf", body,
rx, ry, rz, rw, vrot, torque);
}
static void
_world_populate(Test_Data *test_data)
{
EPhysics_Body *body;
Ecore_Timer *timer;
Evas_Object *cube;
cube = elm_image_add(test_data->win);
elm_image_file_set(
cube, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "blue-cube");
evas_object_move(cube, WIDTH / 3, HEIGHT / 2 - 30);
evas_object_resize(cube, 70, 70);
evas_object_show(cube);
test_data->evas_objs = eina_list_append(test_data->evas_objs, cube);
body = ephysics_body_box_add(test_data->world);
ephysics_body_evas_object_set(body, cube, EINA_TRUE);
test_data->bodies = eina_list_append(test_data->bodies, body);
ephysics_body_event_callback_add(body,
EPHYSICS_CALLBACK_BODY_UPDATE,
_update_object_cb, NULL);
ephysics_body_torque_impulse_apply(body, 0, 0, 1);
cube = elm_image_add(test_data->win);
elm_image_file_set(
cube, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "purple-cube");
evas_object_move(cube, WIDTH / 3, FLOOR_Y - 70);
evas_object_resize(cube, 70, 70);
evas_object_show(cube);
test_data->evas_objs = eina_list_append(test_data->evas_objs, cube);
body = ephysics_body_box_add(test_data->world);
ephysics_body_evas_object_set(body, cube, EINA_TRUE);
test_data->bodies = eina_list_append(test_data->bodies, body);
ephysics_body_event_callback_add(body,
EPHYSICS_CALLBACK_BODY_UPDATE,
_update_object_cb, NULL);
ephysics_body_impulse_apply(body, 30, 0, 0, 0, -10, 0);
cube = elm_image_add(test_data->win);
elm_image_file_set(
cube, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "purple-cube");
evas_object_move(cube, WIDTH / 3, 60);
evas_object_resize(cube, 70, 70);
evas_object_show(cube);
test_data->evas_objs = eina_list_append(test_data->evas_objs, cube);
body = ephysics_body_box_add(test_data->world);
ephysics_body_evas_object_set(body, cube, EINA_TRUE);
test_data->bodies = eina_list_append(test_data->bodies, body);
ephysics_body_event_callback_add(body,
EPHYSICS_CALLBACK_BODY_UPDATE,
_update_object_cb, NULL);
timer = ecore_timer_add(1, _rotate_cb, body);
ephysics_body_event_callback_add(body,
EPHYSICS_CALLBACK_BODY_DEL,
_del_cb, timer);
cube = elm_image_add(test_data->win);
elm_image_file_set(
cube, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "blue-cube");
evas_object_move(cube, WIDTH * 2 / 3, 60);
evas_object_resize(cube, 70, 70);
evas_object_show(cube);
test_data->evas_objs = eina_list_append(test_data->evas_objs, cube);
body = ephysics_body_box_add(test_data->world);
ephysics_body_evas_object_set(body, cube, EINA_TRUE);
test_data->bodies = eina_list_append(test_data->bodies, body);
ephysics_body_event_callback_add(body,
EPHYSICS_CALLBACK_BODY_UPDATE,
_update_object_cb, NULL);
ephysics_body_torque_apply(body, 0, 0, 2);
evas_object_event_callback_add(cube, EVAS_CALLBACK_DEL,
_del_torque_cb, NULL);
timer = ecore_timer_add(3, _increase_torque_cb, body);
evas_object_data_set(cube, "increase_timer", timer);
timer = ecore_timer_add(5, _stop_torque_cb, body);
evas_object_data_set(cube, "stop_timer", timer);
}
static void
_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
{
Test_Data *test_data = data;
DBG("Restart pressed");
test_clean(test_data);
_world_populate(test_data);
}
void
test_rotating_forever(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
EPhysics_World *world;
Test_Data *test_data;
if (!ephysics_init())
return;
test_data = test_data_new();
test_win_add(test_data, "Rotating Forever", EINA_TRUE);
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;
ephysics_world_gravity_set(world, 0, 0, 0);
_world_populate(test_data);
}