diff --git a/legacy/ephysics/src/bin/Makefile.am b/legacy/ephysics/src/bin/Makefile.am index 7d6b212f20..fd93bdba7a 100644 --- a/legacy/ephysics/src/bin/Makefile.am +++ b/legacy/ephysics/src/bin/Makefile.am @@ -18,6 +18,7 @@ ephysics_test_SOURCES = \ test.c \ test_bouncing_ball.c \ test_bouncing_text.c \ +test_camera.c \ test_colliding_balls.c \ test_collision_detection.c \ test_collision_speed.c \ diff --git a/legacy/ephysics/src/bin/test.c b/legacy/ephysics/src/bin/test.c index b9c8b24997..5302da2e48 100644 --- a/legacy/ephysics/src/bin/test.c +++ b/legacy/ephysics/src/bin/test.c @@ -11,6 +11,7 @@ int _ephysics_test_log_dom = -1; /* examples prototypes */ void test_bouncing_ball(void *data, Evas_Object *obj, void *event_info); void test_bouncing_text(void *data, Evas_Object *obj, void *event_info); +void test_camera(void *data, Evas_Object *obj, void *event_info); void test_colliding_balls(void *data, Evas_Object *obj, void *event_info); void test_collision(void *data, Evas_Object *obj, void *event_info); void test_collision_speed(void *data, Evas_Object *obj, void *event_info); @@ -151,6 +152,7 @@ _main_win_add(char *autorun __UNUSED__, Eina_Bool test_win_only __UNUSED__) ADD_TEST("BOUNCING BALL", test_bouncing_ball); ADD_TEST("BOUNCING TEXT", test_bouncing_text); + ADD_TEST("CAMERA", test_camera); ADD_TEST("COLLIDING BALLS", test_colliding_balls); ADD_TEST("COLLISION DETECTION", test_collision); ADD_TEST("COLLISION HIGH SPEED", test_collision_speed); diff --git a/legacy/ephysics/src/bin/test_camera.c b/legacy/ephysics/src/bin/test_camera.c new file mode 100644 index 0000000000..1020050aad --- /dev/null +++ b/legacy/ephysics/src/bin/test_camera.c @@ -0,0 +1,147 @@ +#ifdef HAVE_CONFIG_H +# include +#endif + +#include "ephysics_test.h" + +static Eina_Bool +_camera_move_cb(void *data) +{ + Test_Data *test_data = data; + EPhysics_Camera *camera; + int x, y, w; + + ephysics_world_render_geometry_get(test_data->world, NULL, NULL, &w, NULL); + + camera = ephysics_world_camera_get(test_data->world); + ephysics_camera_position_get(camera, &x, &y); + + if (x + w > WIDTH * 2) + { + test_data->data = NULL; + return EINA_FALSE; + } + + ephysics_camera_position_set(camera, x + 2, y); + return EINA_TRUE; +} + +static void +_world_populate(Test_Data *test_data) +{ + Evas_Object *sphere, *shadow; + EPhysics_Body *fall_body; + + shadow = elm_layout_add(test_data->win); + elm_layout_file_set( + shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball"); + evas_object_move(shadow, WIDTH / 3, FLOOR_Y); + evas_object_resize(shadow, 70, 3); + evas_object_show(shadow); + test_data->evas_objs = eina_list_append(test_data->evas_objs, shadow); + + sphere = elm_image_add(test_data->win); + elm_image_file_set( + 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); + evas_object_show(sphere); + test_data->evas_objs = eina_list_append(test_data->evas_objs, sphere); + + fall_body = ephysics_body_circle_add(test_data->world); + ephysics_body_evas_object_set(fall_body, sphere, EINA_TRUE); + ephysics_body_restitution_set(fall_body, 0.2); + ephysics_body_friction_set(fall_body, 0.5); + ephysics_body_event_callback_add(fall_body, EPHYSICS_CALLBACK_BODY_UPDATE, + update_object_cb, shadow); + test_data->bodies = eina_list_append(test_data->bodies, fall_body); + ephysics_body_central_impulse_apply(fall_body, 10, 0); + + shadow = elm_layout_add(test_data->win); + elm_layout_file_set( + 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); + evas_object_show(shadow); + test_data->evas_objs = eina_list_append(test_data->evas_objs, shadow); + + sphere = elm_image_add(test_data->win); + elm_image_file_set( + 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); + evas_object_show(sphere); + test_data->evas_objs = eina_list_append(test_data->evas_objs, sphere); + + fall_body = ephysics_body_circle_add(test_data->world); + ephysics_body_mass_set(fall_body, 3.2); + ephysics_body_evas_object_set(fall_body, sphere, EINA_TRUE); + ephysics_body_restitution_set(fall_body, 0.2); + ephysics_body_friction_set(fall_body, 1); + ephysics_body_event_callback_add(fall_body, EPHYSICS_CALLBACK_BODY_UPDATE, + update_object_cb, shadow); + test_data->bodies = eina_list_append(test_data->bodies, fall_body); + + test_data->data = ecore_animator_add(_camera_move_cb, test_data); +} + +static void +_win_del(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__) +{ + Test_Data *test_data = data; + + if (test_data->data) + ecore_animator_del(test_data->data); + + 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; + EPhysics_Camera *camera; + + DBG("Restart pressed"); + + if (test_data->data) + ecore_animator_del(test_data->data); + + camera = ephysics_world_camera_get(test_data->world); + ephysics_camera_position_set(camera, 50, 40); + + test_clean(test_data); + _world_populate(test_data); +} + +void +test_camera(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, "Camera", EINA_FALSE); + evas_object_smart_callback_add(test_data->win, "delete,request", + _win_del, test_data); + + 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, WIDTH - 100, FLOOR_Y - 40); + test_data->world = world; + + boundary = ephysics_body_box_add(test_data->world); + ephysics_body_mass_set(boundary, 0); + ephysics_body_geometry_set(boundary, 0, FLOOR_Y, WIDTH * 2, 10); + ephysics_body_restitution_set(boundary, 0.65); + ephysics_body_friction_set(boundary, 4); + + _world_populate(test_data); +} diff --git a/legacy/ephysics/src/lib/EPhysics.h b/legacy/ephysics/src/lib/EPhysics.h index 8448c882d9..78d9908333 100644 --- a/legacy/ephysics/src/lib/EPhysics.h +++ b/legacy/ephysics/src/lib/EPhysics.h @@ -133,7 +133,7 @@ EAPI int ephysics_shutdown(void); * Its position can be set with @ref ephysics_camera_position_set() and zoom * in / zoom out can be done with @ref ephysics_camera_zoom_set(). * - * @note WIP: IT'S NOT WORKING YET!! + * @note WIP: ZOOM API ISN'T WORKING YET!! */ typedef struct _EPhysics_Camera EPhysics_Camera; /**< Camera handle, used to zoom in / out a scene, or change the frame position to be rendered. Every world have a camera that can be get with @ref ephysics_world_camera_get(). */ @@ -147,10 +147,16 @@ typedef struct _EPhysics_Camera EPhysics_Camera; /**< Camera handle, used to zoo * * By default a camera is created to map the first quadrant of physics * world from the point (0, 0) to - * (canvas width / world rate, canvas height / world rate). + * (render area width / world rate, render area height / world rate). * - * It can be modified passing another top-left point position, so another - * region of the physics world will be rendered on the canvas. + * When render area is set with @ref ephysics_world_render_geometry_set(), + * the camera geometry is updated to match it. So, for most cases, camera + * won't need to be handled by the user. + * + * But it can be modified passing another top-left point position, so another + * region of the physics world will be rendered on the render area. + * So if you have a scene larger than the render area, camera handling can + * be very useful. * * @note This change will be noticed on the next physics tick, so evas objects * will be updated taking the camera's new position in account. @@ -165,7 +171,7 @@ typedef struct _EPhysics_Camera EPhysics_Camera; /**< Camera handle, used to zoo * * @ingroup EPhysics_Camera */ -EAPI void ephysics_camera_position_set(EPhysics_Camera *camera, double x, double y); +EAPI void ephysics_camera_position_set(EPhysics_Camera *camera, Evas_Coord x, Evas_Coord y); /** * @brief @@ -179,7 +185,7 @@ EAPI void ephysics_camera_position_set(EPhysics_Camera *camera, double x, double * * @ingroup EPhysics_Camera */ -EAPI void ephysics_camera_position_get(const EPhysics_Camera *camera, double *x, double *y); +EAPI void ephysics_camera_position_get(const EPhysics_Camera *camera, Evas_Coord *x, Evas_Coord *y); /** * @brief diff --git a/legacy/ephysics/src/lib/ephysics_body.cpp b/legacy/ephysics/src/lib/ephysics_body.cpp index 133c36aac1..063edc6942 100644 --- a/legacy/ephysics/src/lib/ephysics_body.cpp +++ b/legacy/ephysics/src/lib/ephysics_body.cpp @@ -247,8 +247,9 @@ _ephysics_body_geometry_set(EPhysics_Body *body, Evas_Coord x, Evas_Coord y, Eva static void _ephysics_body_evas_object_default_update(EPhysics_Body *body) { + int x, y, w, h, wx, wy, wh, cx, cy; + EPhysics_Camera *camera; btTransform trans; - int wy, height, x, y, w, h; double rate, rot; Evas_Map *map; @@ -256,13 +257,17 @@ _ephysics_body_evas_object_default_update(EPhysics_Body *body) return; body->rigid_body->getMotionState()->getWorldTransform(trans); - ephysics_world_render_geometry_get(body->world, NULL, &wy, NULL, &height); - height += wy; + ephysics_world_render_geometry_get(body->world, &wx, &wy, NULL, &wh); + + camera = ephysics_world_camera_get(body->world); + ephysics_camera_position_get(camera, &cx, &cy); + cx -= wx; + cy -= wy; evas_object_geometry_get(body->evas_obj, NULL, NULL, &w, &h); rate = ephysics_world_rate_get(body->world); - x = (int) (trans.getOrigin().getX() * rate) - w / 2; - y = height - (int) (trans.getOrigin().getY() * rate) - h / 2; + x = (int) (trans.getOrigin().getX() * rate) - w / 2 - cx; + y = wh + wy - (int) (trans.getOrigin().getY() * rate) - h / 2 - cy; evas_object_move(body->evas_obj, x, y); diff --git a/legacy/ephysics/src/lib/ephysics_camera.cpp b/legacy/ephysics/src/lib/ephysics_camera.cpp index ef03f4f0e7..01f62a471a 100644 --- a/legacy/ephysics/src/lib/ephysics_camera.cpp +++ b/legacy/ephysics/src/lib/ephysics_camera.cpp @@ -12,7 +12,8 @@ extern "C" { struct _EPhysics_Camera { EPhysics_World *world; - double x, y, zoom; + double zoom; + int x, y; }; EPhysics_Camera * @@ -47,7 +48,7 @@ ephysics_camera_del(EPhysics_Camera *camera) } EAPI void -ephysics_camera_position_set(EPhysics_Camera *camera, double x, double y) +ephysics_camera_position_set(EPhysics_Camera *camera, Evas_Coord x, Evas_Coord y) { if (!camera) { @@ -60,7 +61,7 @@ ephysics_camera_position_set(EPhysics_Camera *camera, double x, double y) } EAPI void -ephysics_camera_position_get(const EPhysics_Camera *camera, double *x, double *y) +ephysics_camera_position_get(const EPhysics_Camera *camera, Evas_Coord *x, Evas_Coord *y) { if (!camera) { diff --git a/legacy/ephysics/src/lib/ephysics_world.cpp b/legacy/ephysics/src/lib/ephysics_world.cpp index 2b1e04a3b6..64c4c6ebd6 100644 --- a/legacy/ephysics/src/lib/ephysics_world.cpp +++ b/legacy/ephysics/src/lib/ephysics_world.cpp @@ -762,6 +762,7 @@ ephysics_world_render_geometry_set(EPhysics_World *world, Evas_Coord x, Evas_Coo world->h = h; ephysics_body_world_boundaries_resize(world); + ephysics_camera_position_set(world->camera, x, y); } EAPI void