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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:
Leandro Dorileo 2012-10-08 18:01:06 +00:00 committed by Bruno Dilly
parent 3db5bdd771
commit e084960cf3
5 changed files with 212 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
legacy/ephysics/data/themes/cubes.edc
View File

@ -10,8 +10,9 @@
part {
name: "cube";
mouse_events: 0;
type: IMAGE;
mouse_events: 1;
repeat_events: 0;
description {
state: "default" 0.0;
image.normal: "cube-blue.png";
@ -19,7 +20,6 @@
}
}
}
group {
@ -29,8 +29,9 @@
part {
name: "cube";
mouse_events: 0;
type: IMAGE;
mouse_events: 1;
repeat_events: 0;
description {
state: "default" 0.0;
image.normal: "cube-purple.png";
@ -38,5 +39,4 @@
}
}
}

31
legacy/ephysics/data/themes/frame.edc
View File

@ -102,6 +102,28 @@
}
}
part {
name: "grab_msg";
type: TEXT;
mouse_events: 0;
description {
state: "default" 0.0;
color: 232 224 215 0;
rel1.relative: 0.08 0.96;
rel2.relative: 0.92 1.0;
text {
font: "Sans";
size: 12;
text: "Drag a body to move it.";
}
}
description {
state: "visible" 0.0;
inherit: "default" 0.0;
color: 95 56 19 255;
}
}
part {
name: "linear_vel";
type: TEXT;
@ -267,6 +289,15 @@
target: "arrows_msg";
}
program {
name: "grab,show";
source: "ephysics_test";
signal: "grab,show";
action: STATE_SET "visible" 0.0;
target: "arrows";
target: "grab_msg";
}
program {
name: "borders,show";
source: "ephysics_test";

1
legacy/ephysics/src/bin/Makefile.am
View File

@ -28,6 +28,7 @@ test_constraint.c \
test_delete.c \
test_falling_letters.c \
test_forces.c \
test_grab.c \
test_growing_balls.c \
test_heavy.c \
test_jumping_balls.c \

2
legacy/ephysics/src/bin/test.c
View File

@ -28,6 +28,7 @@ void test_delete(void *data, Evas_Object *obj, void *event_info);
void test_falling_letters(void *data, Evas_Object *obj, void *event_info);
void test_flag(void *data, Evas_Object *obj, void *event_info);
void test_forces(void *data, Evas_Object *obj, void *event_info);
void test_grab(void *data, Evas_Object *obj, void *event_info);
void test_growing_balls(void *data, Evas_Object *obj, void *event_info);
void test_heavy(void *data, Evas_Object *obj, void *event_info);
void test_jumping_balls(void *data, Evas_Object *obj, void *event_info);
@ -56,6 +57,7 @@ static const EPhysics_Test tests[] = {
{"Falling Letters", test_falling_letters},
{"Flag - Cloth", test_flag},
{"Forces", test_forces},
{"Grab", test_grab},
{"Growing Balls", test_growing_balls},
{"Heavy", test_heavy},
{"Jumping Balls", test_jumping_balls},

174
legacy/ephysics/src/bin/test_grab.c Normal file
View File

@ -0,0 +1,174 @@
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "ephysics_test.h"
typedef struct _Dragging_Data
{
int mouse_status; // 0, up, 1, down
EPhysics_Body *body;
double curr_mass;
struct {
int x;
int y;
} clicked_position;
} Dragging_Data;
static void
_on_delete(void *data __UNUSED__, EPhysics_Body *body, void *event_info __UNUSED__)
{
Dragging_Data *dragging = ephysics_body_data_get(body);
free(dragging);
}
static void
_mouse_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Dragging_Data *dragging = ephysics_body_data_get(data);
Evas_Event_Mouse_Down *mdown = event_info;
Evas_Coord x, y;
evas_object_geometry_get(obj, &x, &y, NULL, NULL);
dragging->mouse_status = 1;
dragging->clicked_position.x = mdown->output.x - x;
dragging->clicked_position.y = mdown->output.y - y;
ephysics_body_mass_get(data);
dragging->curr_mass = ephysics_body_mass_get(data);
ephysics_body_mass_set(data, 0);
}
static void
_mouse_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
Dragging_Data *dragging = ephysics_body_data_get(data);
dragging->mouse_status = 0;
ephysics_body_mass_set(data, dragging->curr_mass);
dragging->curr_mass = 0;
}
static void
_mouse_move_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
{
Dragging_Data *dragging = ephysics_body_data_get(data);
Evas_Event_Mouse_Move *mmove = event_info;
Evas_Coord x, y, w, h, nx, ny;
if (!dragging->mouse_status) return;
nx = mmove->cur.output.x - dragging->clicked_position.x;
ny = mmove->cur.output.y - dragging->clicked_position.y;
if (nx < 0 || ny < 0) return;
evas_object_geometry_get(obj, &x, &y, &w, &h);
ephysics_body_move(dragging->body, nx, ny);
}
static void
_box_add(Test_Data *test_data, Evas_Coord x, Evas_Coord y, const char *file)
{
Evas_Object *evas, *shadow;
EPhysics_Body *body;
Dragging_Data *dragging;
shadow = elm_layout_add(test_data->win);
elm_layout_file_set(
shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-cube");
evas_object_move(shadow, x, FLOOR_Y);
evas_object_resize(shadow, 70, 3);
evas_object_show(shadow);
test_data->evas_objs = eina_list_append(test_data->evas_objs, shadow);
evas = elm_image_add(test_data->win);
elm_image_file_set(
evas, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", file);
evas_object_move(evas, x, y - 70);
evas_object_resize(evas, 70, 70);
evas_object_show(evas);
test_data->evas_objs = eina_list_append(test_data->evas_objs, evas);
body = ephysics_body_box_add(test_data->world);
ephysics_body_evas_object_set(body, evas, EINA_TRUE);
ephysics_body_event_callback_add(body, EPHYSICS_CALLBACK_BODY_UPDATE,
update_object_cb, shadow);
test_data->bodies = eina_list_append(test_data->bodies, body);
test_data->data = body;
dragging = calloc(1, sizeof(Dragging_Data));
dragging->body = body;
ephysics_body_data_set(body, dragging);
evas_object_event_callback_add(evas, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb,
body);
evas_object_event_callback_add(evas, EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb,
body);
evas_object_event_callback_add(evas, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move_cb,
body);
ephysics_body_event_callback_add(body, EPHYSICS_CALLBACK_BODY_DEL, _on_delete,
NULL);
}
static void
_world_populate(Test_Data *test_data)
{
_box_add(test_data, WIDTH / 3, FLOOR_Y, "blue-cube");
_box_add(test_data, WIDTH / 3 - 70, FLOOR_Y, "purple-cube");
_box_add(test_data, WIDTH / 3 + 70, FLOOR_Y, "purple-cube");
_box_add(test_data, WIDTH / 3 + 140, FLOOR_Y, "blue-cube");
_box_add(test_data, WIDTH / 3 - 35, FLOOR_Y - 70, "purple-cube");
_box_add(test_data, WIDTH / 3 + 35, FLOOR_Y - 70, "blue-cube");
_box_add(test_data, WIDTH / 3 + 105, FLOOR_Y - 70, "purple-cube");
_box_add(test_data, WIDTH / 3, FLOOR_Y - 140, "blue-cube");
_box_add(test_data, WIDTH / 3 + 70, FLOOR_Y - 140, "purple-cube");
}
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_grab(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, "Grab", EINA_TRUE);
elm_layout_signal_callback_add(test_data->layout, "restart", "test-theme",
_restart, test_data);
elm_object_signal_emit(test_data->layout, "borders,show", "ephysics_test");
elm_object_signal_emit(test_data->layout, "grab,show", "ephysics_test");
world = ephysics_world_new();
ephysics_world_render_geometry_set(world, 50, 40, WIDTH - 100, FLOOR_Y - 40);
test_data->world = world;
boundary = ephysics_body_bottom_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.65);
ephysics_body_friction_set(boundary, 4);
boundary = ephysics_body_right_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.4);
ephysics_body_friction_set(boundary, 3);
boundary = ephysics_body_left_boundary_add(test_data->world);
ephysics_body_restitution_set(boundary, 0.4);
ephysics_body_friction_set(boundary, 3);
ephysics_body_top_boundary_add(test_data->world);
_world_populate(test_data);
}