2 * This example shows the mechanism of scene object adding (3D cube) to the widget button and
3 * illustrates the work of callback of event from mouse.
6 * gcc -o 3d_scene_on_button_example 3d_scene_on_button example.c -g `pkg-config --libs --cflags evas ecore eo elementary`
9 #define EFL_EO_API_SUPPORT
10 #define EFL_BETA_API_SUPPORT
21 #include <Elementary.h>
24 typedef struct _Scene_Data
38 Evas_Object *win = NULL;
39 Evas_Object *btn = NULL;
41 static Evas *evas = NULL;
42 static Eo *image = NULL;
44 static const float cube_vertices[] =
47 -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0,
48 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0,
49 -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
50 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0,
53 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0,
54 -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0,
55 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0,
56 -1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0,
59 -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0,
60 -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0,
61 -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0,
62 -1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0,
65 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0,
66 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0,
67 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
68 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 0.0,
71 -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
72 1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0,
73 -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0,
74 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0,
77 1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0,
78 -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0,
79 1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 0.0,
80 -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0,
83 static const unsigned short cube_indices[] =
95 12, 13, 14, 14, 13, 15,
98 16, 17, 18, 18, 17, 19,
101 20, 21, 22, 22, 21, 23
105 _animate_scene(void *data)
107 static float angle = 0.0f;
108 Scene_Data *scene = (Scene_Data *)data;
112 eo_do(scene->mesh_node,
113 evas_3d_node_orientation_angle_axis_set(angle, 1.0, 1.0, 1.0));
116 if (angle > 360.0) angle -= 360.0f;
122 _camera_setup(Scene_Data *data)
124 data->camera = eo_add(EVAS_3D_CAMERA_CLASS, evas);
127 evas_3d_camera_projection_perspective_set(60.0, 1.0, 2.0, 50.0));
130 eo_add(EVAS_3D_NODE_CLASS, evas,
131 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA));
132 eo_do(data->camera_node,
133 evas_3d_node_camera_set(data->camera),
134 evas_3d_node_position_set(0.0, 0.0, 10.0),
135 evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
136 EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0));
137 eo_do(data->root_node, evas_3d_node_member_add(data->camera_node));
141 _light_setup(Scene_Data *data)
143 data->light = eo_add(EVAS_3D_LIGHT_CLASS, evas);
145 evas_3d_light_ambient_set(0.2, 0.2, 0.2, 1.0),
146 evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
147 evas_3d_light_specular_set(1.0, 1.0, 1.0, 1.0));
150 eo_add(EVAS_3D_NODE_CLASS, evas,
151 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT));
152 eo_do(data->light_node,
153 evas_3d_node_light_set(data->light),
154 evas_3d_node_position_set(0.0, 0.0, 10.0),
155 evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
156 EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0));
157 eo_do(data->root_node, evas_3d_node_member_add(data->light_node));
160 _mesh_setup(Scene_Data *data)
162 /* Setup material. */
163 data->material = eo_add(EVAS_3D_MATERIAL_CLASS, evas);
165 eo_do(data->material,
166 evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
167 evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
168 evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
170 evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT,
172 evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE,
174 evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR,
176 evas_3d_material_shininess_set(100.0));
179 data->mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
181 evas_3d_mesh_vertex_count_set(24),
182 evas_3d_mesh_frame_add(0),
184 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION,
187 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL,
190 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR,
193 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD,
197 evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT,
198 36, &cube_indices[0]),
199 evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
200 evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_PHONG),
201 evas_3d_mesh_frame_material_set(0, data->material));
204 eo_add(EVAS_3D_NODE_CLASS, evas,
205 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH));
206 eo_do(data->root_node, evas_3d_node_member_add(data->mesh_node));
207 eo_do(data->mesh_node, evas_3d_node_mesh_add(data->mesh));
211 _scene_setup(Scene_Data *data)
213 data->scene = eo_add(EVAS_3D_SCENE_CLASS, evas);
215 evas_3d_scene_size_set(WIDTH - d_w, HEIGHT - d_h);
216 evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0));
219 eo_add(EVAS_3D_NODE_CLASS, evas,
220 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE));
227 evas_3d_scene_root_node_set(data->root_node),
228 evas_3d_scene_camera_node_set(data->camera_node));
232 _stop_scene(void *data,
234 Evas_Object *eo EINA_UNUSED,
237 Evas_Event_Mouse_Down *ev = event_info;
238 Scene_Data *d = (Scene_Data *)data;
241 evas_3d_node_scale_set(0.97, 0.97, 0.97));
246 evas_3d_scene_exist((ev->canvas.x - (d_w / 2)),
247 (ev->canvas.y - (d_h / 2)),
256 _play_scene(void *data,
258 Evas_Object *eo EINA_UNUSED,
259 void *event_info EINA_UNUSED)
261 Scene_Data *d = (Scene_Data *)data;
266 evas_3d_node_scale_set(1.0, 1.0, 1.0));
270 elm_main(int argc, char **argv)
274 elm_config_accel_preference_set("3d");
275 elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
277 win = elm_win_util_standard_add("evas3d-scene-button", "3d object on the button");
279 elm_win_autodel_set(win, EINA_TRUE);
281 evas = evas_object_evas_get(win);
286 image = evas_object_image_filled_add(evas);
288 evas_obj_visibility_set(EINA_TRUE));
290 /* Set the image object as render target for 3D scene. */
291 eo_do(image, evas_obj_image_scene_set(data.scene));
293 /* Setup scene to the widget button. */
294 btn = elm_button_add(win);
295 elm_object_content_set(btn, image);
296 evas_object_resize(btn, (WIDTH - d_w), (HEIGHT - d_h));
297 evas_object_move(btn, (d_w / 2), (d_h / 2));
298 evas_object_show(btn);
300 evas_object_event_callback_add(btn, EVAS_CALLBACK_MOUSE_DOWN, _stop_scene,
302 evas_object_event_callback_add(btn, EVAS_CALLBACK_MOUSE_UP, _play_scene,
305 /* Add animation timer callback. */
306 ecore_timer_add(0.016, _animate_scene, &data);
308 evas_object_resize(win, WIDTH, HEIGHT);
309 evas_object_show(win);
311 /* Enter main loop. */