forked from enlightenment/efl
EPhysics: dragging body test
New test where the user can drag a body around the world by grabbing and dragging. Patch by: Leandro Dorileo <dorileo@profusion.mobi> SVN revision: 77585
This commit is contained in:
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3db5bdd771
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e084960cf3
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@ -10,8 +10,9 @@
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part {
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name: "cube";
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mouse_events: 0;
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type: IMAGE;
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mouse_events: 1;
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repeat_events: 0;
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description {
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state: "default" 0.0;
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image.normal: "cube-blue.png";
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@ -19,7 +20,6 @@
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}
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}
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}
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group {
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@ -29,8 +29,9 @@
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part {
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name: "cube";
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mouse_events: 0;
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type: IMAGE;
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mouse_events: 1;
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repeat_events: 0;
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description {
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state: "default" 0.0;
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image.normal: "cube-purple.png";
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@ -38,5 +39,4 @@
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}
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}
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}
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@ -102,6 +102,28 @@
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}
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}
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part {
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name: "grab_msg";
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type: TEXT;
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mouse_events: 0;
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description {
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state: "default" 0.0;
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color: 232 224 215 0;
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rel1.relative: 0.08 0.96;
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rel2.relative: 0.92 1.0;
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text {
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font: "Sans";
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size: 12;
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text: "Drag a body to move it.";
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}
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}
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description {
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state: "visible" 0.0;
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inherit: "default" 0.0;
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color: 95 56 19 255;
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}
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}
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part {
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name: "linear_vel";
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type: TEXT;
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@ -267,6 +289,15 @@
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target: "arrows_msg";
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}
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program {
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name: "grab,show";
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source: "ephysics_test";
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signal: "grab,show";
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action: STATE_SET "visible" 0.0;
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target: "arrows";
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target: "grab_msg";
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}
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program {
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name: "borders,show";
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source: "ephysics_test";
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@ -28,6 +28,7 @@ test_constraint.c \
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test_delete.c \
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test_falling_letters.c \
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test_forces.c \
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test_grab.c \
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test_growing_balls.c \
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test_heavy.c \
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test_jumping_balls.c \
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@ -28,6 +28,7 @@ void test_delete(void *data, Evas_Object *obj, void *event_info);
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void test_falling_letters(void *data, Evas_Object *obj, void *event_info);
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void test_flag(void *data, Evas_Object *obj, void *event_info);
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void test_forces(void *data, Evas_Object *obj, void *event_info);
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void test_grab(void *data, Evas_Object *obj, void *event_info);
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void test_growing_balls(void *data, Evas_Object *obj, void *event_info);
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void test_heavy(void *data, Evas_Object *obj, void *event_info);
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void test_jumping_balls(void *data, Evas_Object *obj, void *event_info);
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@ -56,6 +57,7 @@ static const EPhysics_Test tests[] = {
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{"Falling Letters", test_falling_letters},
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{"Flag - Cloth", test_flag},
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{"Forces", test_forces},
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{"Grab", test_grab},
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{"Growing Balls", test_growing_balls},
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{"Heavy", test_heavy},
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{"Jumping Balls", test_jumping_balls},
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@ -0,0 +1,174 @@
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "ephysics_test.h"
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typedef struct _Dragging_Data
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{
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int mouse_status; // 0, up, 1, down
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EPhysics_Body *body;
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double curr_mass;
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struct {
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int x;
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int y;
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} clicked_position;
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} Dragging_Data;
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static void
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_on_delete(void *data __UNUSED__, EPhysics_Body *body, void *event_info __UNUSED__)
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{
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Dragging_Data *dragging = ephysics_body_data_get(body);
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free(dragging);
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}
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static void
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_mouse_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Dragging_Data *dragging = ephysics_body_data_get(data);
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Evas_Event_Mouse_Down *mdown = event_info;
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Evas_Coord x, y;
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evas_object_geometry_get(obj, &x, &y, NULL, NULL);
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dragging->mouse_status = 1;
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dragging->clicked_position.x = mdown->output.x - x;
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dragging->clicked_position.y = mdown->output.y - y;
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ephysics_body_mass_get(data);
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dragging->curr_mass = ephysics_body_mass_get(data);
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ephysics_body_mass_set(data, 0);
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}
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static void
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_mouse_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Dragging_Data *dragging = ephysics_body_data_get(data);
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dragging->mouse_status = 0;
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ephysics_body_mass_set(data, dragging->curr_mass);
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dragging->curr_mass = 0;
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}
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static void
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_mouse_move_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
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{
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Dragging_Data *dragging = ephysics_body_data_get(data);
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Evas_Event_Mouse_Move *mmove = event_info;
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Evas_Coord x, y, w, h, nx, ny;
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if (!dragging->mouse_status) return;
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nx = mmove->cur.output.x - dragging->clicked_position.x;
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ny = mmove->cur.output.y - dragging->clicked_position.y;
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if (nx < 0 || ny < 0) return;
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evas_object_geometry_get(obj, &x, &y, &w, &h);
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ephysics_body_move(dragging->body, nx, ny);
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}
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static void
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_box_add(Test_Data *test_data, Evas_Coord x, Evas_Coord y, const char *file)
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{
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Evas_Object *evas, *shadow;
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EPhysics_Body *body;
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Dragging_Data *dragging;
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shadow = elm_layout_add(test_data->win);
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elm_layout_file_set(
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shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-cube");
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evas_object_move(shadow, x, FLOOR_Y);
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evas_object_resize(shadow, 70, 3);
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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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evas = elm_image_add(test_data->win);
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elm_image_file_set(
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evas, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", file);
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evas_object_move(evas, x, y - 70);
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evas_object_resize(evas, 70, 70);
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evas_object_show(evas);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, evas);
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body = ephysics_body_box_add(test_data->world);
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ephysics_body_evas_object_set(body, evas, EINA_TRUE);
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ephysics_body_event_callback_add(body, EPHYSICS_CALLBACK_BODY_UPDATE,
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update_object_cb, shadow);
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test_data->bodies = eina_list_append(test_data->bodies, body);
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test_data->data = body;
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dragging = calloc(1, sizeof(Dragging_Data));
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dragging->body = body;
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ephysics_body_data_set(body, dragging);
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evas_object_event_callback_add(evas, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb,
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body);
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evas_object_event_callback_add(evas, EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb,
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body);
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evas_object_event_callback_add(evas, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move_cb,
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body);
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ephysics_body_event_callback_add(body, EPHYSICS_CALLBACK_BODY_DEL, _on_delete,
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NULL);
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}
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static void
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_world_populate(Test_Data *test_data)
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{
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_box_add(test_data, WIDTH / 3, FLOOR_Y, "blue-cube");
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_box_add(test_data, WIDTH / 3 - 70, FLOOR_Y, "purple-cube");
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_box_add(test_data, WIDTH / 3 + 70, FLOOR_Y, "purple-cube");
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_box_add(test_data, WIDTH / 3 + 140, FLOOR_Y, "blue-cube");
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_box_add(test_data, WIDTH / 3 - 35, FLOOR_Y - 70, "purple-cube");
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_box_add(test_data, WIDTH / 3 + 35, FLOOR_Y - 70, "blue-cube");
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_box_add(test_data, WIDTH / 3 + 105, FLOOR_Y - 70, "purple-cube");
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_box_add(test_data, WIDTH / 3, FLOOR_Y - 140, "blue-cube");
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_box_add(test_data, WIDTH / 3 + 70, FLOOR_Y - 140, "purple-cube");
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}
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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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{
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Test_Data *test_data = data;
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DBG("Restart pressed");
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test_clean(test_data);
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_world_populate(test_data);
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}
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void
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test_grab(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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EPhysics_Body *boundary;
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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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return;
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test_data = test_data_new();
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test_win_add(test_data, "Grab", EINA_TRUE);
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elm_layout_signal_callback_add(test_data->layout, "restart", "test-theme",
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_restart, test_data);
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elm_object_signal_emit(test_data->layout, "borders,show", "ephysics_test");
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elm_object_signal_emit(test_data->layout, "grab,show", "ephysics_test");
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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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test_data->world = world;
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boundary = ephysics_body_bottom_boundary_add(test_data->world);
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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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boundary = ephysics_body_right_boundary_add(test_data->world);
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ephysics_body_restitution_set(boundary, 0.4);
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ephysics_body_friction_set(boundary, 3);
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boundary = ephysics_body_left_boundary_add(test_data->world);
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ephysics_body_restitution_set(boundary, 0.4);
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ephysics_body_friction_set(boundary, 3);
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ephysics_body_top_boundary_add(test_data->world);
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_world_populate(test_data);
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}
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