EPhysics: camera test improved
Show how a moving background could be used with the concept of camera. SVN revision: 75135
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parent
bc2d36257f
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8973043481
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@ -29,6 +29,7 @@ EXTRA_DIST = \
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images/ball-green70.png \
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images/ball-green70.png \
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images/ball-red.png \
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images/ball-red.png \
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images/ball-red70.png \
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images/ball-red70.png \
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images/bg_floor.jpg \
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images/bt_jump.png \
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images/bt_jump.png \
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images/bt_jump_pressed.png \
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images/bt_jump_pressed.png \
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images/bt_restart.png \
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images/bt_restart.png \
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@ -1,3 +1,28 @@
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group {
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name: "floor";
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images {
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image: "bg_floor.jpg" COMP;
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}
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parts {
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part {
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name: "floor";
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type: IMAGE;
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mouse_events: 0;
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description {
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state: "default" 0.0;
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min: 750 224;
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max: 750 224;
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image.normal: "bg_floor.jpg";
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}
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}
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}
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}
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group {
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group {
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name: "frame";
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name: "frame";
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@ -43,6 +43,7 @@
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#define HEIGHT (384)
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#define HEIGHT (384)
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#define SHADOW_ALPHA_ID (1)
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#define SHADOW_ALPHA_ID (1)
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#define FLOOR_Y (344)
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#define FLOOR_Y (344)
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#define FLOOR_WIDTH (750)
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#define SH_THRESHOLD (200)
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#define SH_THRESHOLD (200)
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#ifdef __cplusplus
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#ifdef __cplusplus
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@ -4,144 +4,217 @@
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#include "ephysics_test.h"
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#include "ephysics_test.h"
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typedef struct _Camera_Data Camera_Data;
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struct _Camera_Data {
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Test_Data base;
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Ecore_Animator *animator;
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int old_x;
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};
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static void
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_update_floor(Evas_Object *floor_obj, Evas_Coord delta)
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{
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int fx, x, y;
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evas_object_geometry_get(floor_obj, &x, &y, NULL, NULL);
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fx = x + delta;
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if (fx < -FLOOR_WIDTH)
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fx += 2 * FLOOR_WIDTH;
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evas_object_move(floor_obj, fx, y);
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}
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static Eina_Bool
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static Eina_Bool
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_camera_move_cb(void *data)
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_camera_move_cb(void *data)
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{
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{
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Test_Data *test_data = data;
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Camera_Data *camera_data = data;
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EPhysics_Camera *camera;
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EPhysics_Camera *camera;
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Evas_Object *floor_obj;
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int x, y, w;
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int x, y, w;
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ephysics_world_render_geometry_get(test_data->world, NULL, NULL, &w, NULL);
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ephysics_world_render_geometry_get(camera_data->base.world,
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NULL, NULL, &w, NULL);
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camera = ephysics_world_camera_get(test_data->world);
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camera = ephysics_world_camera_get(camera_data->base.world);
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ephysics_camera_position_get(camera, &x, &y);
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ephysics_camera_position_get(camera, &x, &y);
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if (x + w > WIDTH * 2)
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if (x + w > WIDTH * 2)
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{
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{
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test_data->data = NULL;
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camera_data->animator = NULL;
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return EINA_FALSE;
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return EINA_FALSE;
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}
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}
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ephysics_camera_position_set(camera, x + 2, y);
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x += 2;
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ephysics_camera_position_set(camera, x, y);
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floor_obj = evas_object_data_get(camera_data->base.layout, "floor");
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_update_floor(floor_obj, camera_data->old_x - x);
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floor_obj = evas_object_data_get(camera_data->base.layout, "floor2");
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_update_floor(floor_obj, camera_data->old_x - x);
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camera_data->old_x = x;
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return EINA_TRUE;
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return EINA_TRUE;
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}
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}
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static void
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static void
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_world_populate(Test_Data *test_data)
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_world_populate(Camera_Data *camera_data)
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{
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{
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Evas_Object *sphere, *shadow;
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Evas_Object *sphere, *shadow;
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EPhysics_Body *fall_body;
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EPhysics_Body *fall_body;
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shadow = elm_layout_add(test_data->win);
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shadow = elm_layout_add(camera_data->base.win);
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elm_layout_file_set(
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elm_layout_file_set(
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shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
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shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
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evas_object_move(shadow, WIDTH / 3, FLOOR_Y);
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evas_object_move(shadow, WIDTH / 3, FLOOR_Y);
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evas_object_resize(shadow, 70, 3);
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evas_object_resize(shadow, 70, 3);
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evas_object_show(shadow);
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evas_object_show(shadow);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, shadow);
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camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
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shadow);
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sphere = elm_image_add(test_data->win);
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sphere = elm_image_add(camera_data->base.win);
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elm_image_file_set(
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elm_image_file_set(
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sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "big-blue-ball");
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sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
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"big-blue-ball");
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evas_object_move(sphere, WIDTH / 3, FLOOR_Y - 70);
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evas_object_move(sphere, WIDTH / 3, FLOOR_Y - 70);
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evas_object_resize(sphere, 70, 70);
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evas_object_resize(sphere, 70, 70);
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evas_object_show(sphere);
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evas_object_show(sphere);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, sphere);
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camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
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sphere);
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fall_body = ephysics_body_circle_add(test_data->world);
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fall_body = ephysics_body_circle_add(camera_data->base.world);
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ephysics_body_evas_object_set(fall_body, sphere, EINA_TRUE);
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ephysics_body_evas_object_set(fall_body, sphere, EINA_TRUE);
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ephysics_body_restitution_set(fall_body, 0.2);
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ephysics_body_restitution_set(fall_body, 0.2);
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ephysics_body_friction_set(fall_body, 0.5);
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ephysics_body_friction_set(fall_body, 0.5);
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ephysics_body_event_callback_add(fall_body, EPHYSICS_CALLBACK_BODY_UPDATE,
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ephysics_body_event_callback_add(fall_body, EPHYSICS_CALLBACK_BODY_UPDATE,
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update_object_cb, shadow);
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update_object_cb, shadow);
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test_data->bodies = eina_list_append(test_data->bodies, fall_body);
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camera_data->base.bodies = eina_list_append(camera_data->base.bodies,
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fall_body);
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ephysics_body_central_impulse_apply(fall_body, 10, 0);
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ephysics_body_central_impulse_apply(fall_body, 10, 0);
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shadow = elm_layout_add(test_data->win);
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shadow = elm_layout_add(camera_data->base.win);
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elm_layout_file_set(
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elm_layout_file_set(
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shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
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shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
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evas_object_move(shadow, WIDTH * 4 / 3, FLOOR_Y);
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evas_object_move(shadow, WIDTH * 4 / 3, FLOOR_Y);
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evas_object_resize(shadow, 70, 3);
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evas_object_resize(shadow, 70, 3);
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evas_object_show(shadow);
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evas_object_show(shadow);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, shadow);
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camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
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shadow);
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sphere = elm_image_add(test_data->win);
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sphere = elm_image_add(camera_data->base.win);
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elm_image_file_set(
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elm_image_file_set(
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sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "big-red-ball");
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sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "big-red-ball");
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evas_object_move(sphere, WIDTH * 4 / 3, FLOOR_Y - 70);
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evas_object_move(sphere, WIDTH * 4 / 3, FLOOR_Y - 70);
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evas_object_resize(sphere, 70, 70);
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evas_object_resize(sphere, 70, 70);
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evas_object_show(sphere);
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evas_object_show(sphere);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, sphere);
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camera_data->base.evas_objs = eina_list_append(camera_data->base.evas_objs,
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sphere);
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fall_body = ephysics_body_circle_add(test_data->world);
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fall_body = ephysics_body_circle_add(camera_data->base.world);
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ephysics_body_mass_set(fall_body, 3.2);
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ephysics_body_mass_set(fall_body, 3.7);
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ephysics_body_evas_object_set(fall_body, sphere, EINA_TRUE);
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ephysics_body_evas_object_set(fall_body, sphere, EINA_TRUE);
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ephysics_body_restitution_set(fall_body, 0.2);
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ephysics_body_restitution_set(fall_body, 0.12);
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ephysics_body_friction_set(fall_body, 1);
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ephysics_body_friction_set(fall_body, 2);
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ephysics_body_event_callback_add(fall_body, EPHYSICS_CALLBACK_BODY_UPDATE,
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ephysics_body_event_callback_add(fall_body, EPHYSICS_CALLBACK_BODY_UPDATE,
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update_object_cb, shadow);
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update_object_cb, shadow);
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test_data->bodies = eina_list_append(test_data->bodies, fall_body);
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camera_data->base.bodies = eina_list_append(camera_data->base.bodies,
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fall_body);
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test_data->data = ecore_animator_add(_camera_move_cb, test_data);
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camera_data->animator = ecore_animator_add(_camera_move_cb, camera_data);
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}
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}
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static void
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static void
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_win_del(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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_win_del(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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{
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Test_Data *test_data = data;
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Camera_Data *camera_data = data;
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if (test_data->data)
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if (camera_data->animator)
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ecore_animator_del(test_data->data);
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ecore_animator_del(camera_data->animator);
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test_data_del(test_data);
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test_clean((Test_Data *)camera_data);
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evas_object_del(camera_data->base.layout);
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ephysics_world_del(camera_data->base.world);
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free(camera_data);
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ephysics_shutdown();
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ephysics_shutdown();
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}
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}
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static void
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static void
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_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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{
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Test_Data *test_data = data;
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Camera_Data *camera_data = data;
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EPhysics_Camera *camera;
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EPhysics_Camera *camera;
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Evas_Object *floor_obj;
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DBG("Restart pressed");
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DBG("Restart pressed");
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if (test_data->data)
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if (camera_data->animator)
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ecore_animator_del(test_data->data);
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ecore_animator_del(camera_data->animator);
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camera = ephysics_world_camera_get(test_data->world);
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camera = ephysics_world_camera_get(camera_data->base.world);
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ephysics_camera_position_set(camera, 50, 40);
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ephysics_camera_position_set(camera, 50, 40);
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test_clean(test_data);
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camera_data->old_x = 0;
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_world_populate(test_data);
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floor_obj = evas_object_data_get(camera_data->base.layout, "floor");
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evas_object_move(floor_obj, 0, FLOOR_Y - 20);
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floor_obj = evas_object_data_get(camera_data->base.layout, "floor2");
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evas_object_move(floor_obj, FLOOR_WIDTH, FLOOR_Y - 20);
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test_clean((Test_Data *)camera_data);
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_world_populate(camera_data);
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}
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}
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void
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void
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test_camera(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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test_camera(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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{
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Camera_Data *camera_data;
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EPhysics_Body *boundary;
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EPhysics_Body *boundary;
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Evas_Object *floor_obj;
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EPhysics_World *world;
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EPhysics_World *world;
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Test_Data *test_data;
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if (!ephysics_init())
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if (!ephysics_init())
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return;
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return;
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test_data = test_data_new();
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camera_data = calloc(1, sizeof(Camera_Data));
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test_win_add(test_data, "Camera", EINA_FALSE);
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if (!camera_data)
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evas_object_smart_callback_add(test_data->win, "delete,request",
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{
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_win_del, test_data);
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ERR("Failed to create test data");
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ephysics_shutdown();
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return;
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}
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elm_layout_signal_callback_add(test_data->layout, "restart", "test-theme",
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test_win_add((Test_Data *)camera_data, "Camera", EINA_FALSE);
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_restart, test_data);
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evas_object_smart_callback_add(camera_data->base.win, "delete,request",
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_win_del, camera_data);
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elm_layout_signal_callback_add(camera_data->base.layout, "restart",
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"test-theme", _restart, camera_data);
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floor_obj = elm_image_add(camera_data->base.win);
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elm_image_file_set(
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floor_obj, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "floor");
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evas_object_move(floor_obj, 0, FLOOR_Y - 20);
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evas_object_resize(floor_obj, FLOOR_WIDTH, 224);
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evas_object_show(floor_obj);
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evas_object_data_set(camera_data->base.layout, "floor", floor_obj);
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floor_obj = elm_image_add(camera_data->base.win);
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elm_image_file_set(
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floor_obj, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "floor");
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evas_object_move(floor_obj, FLOOR_WIDTH, FLOOR_Y - 20);
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evas_object_resize(floor_obj, FLOOR_WIDTH, 224);
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evas_object_show(floor_obj);
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evas_object_data_set(camera_data->base.layout, "floor2", floor_obj);
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world = ephysics_world_new();
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world = ephysics_world_new();
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ephysics_world_render_geometry_set(world, 50, 40, WIDTH - 100, FLOOR_Y - 40);
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ephysics_world_render_geometry_set(world, 50, 40, WIDTH - 100, FLOOR_Y - 40);
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test_data->world = world;
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camera_data->base.world = world;
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boundary = ephysics_body_box_add(test_data->world);
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boundary = ephysics_body_box_add(camera_data->base.world);
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ephysics_body_mass_set(boundary, 0);
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ephysics_body_mass_set(boundary, 0);
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ephysics_body_geometry_set(boundary, 0, FLOOR_Y, WIDTH * 2, 10);
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ephysics_body_geometry_set(boundary, 0, FLOOR_Y, WIDTH * 2, 10);
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ephysics_body_restitution_set(boundary, 0.65);
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ephysics_body_restitution_set(boundary, 0.65);
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ephysics_body_friction_set(boundary, 4);
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ephysics_body_friction_set(boundary, 4);
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_world_populate(test_data);
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_world_populate(camera_data);
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}
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}
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