2 * This example shows the mechanism of elementary widget adding (button) to the 3d scene object (cube) and
3 * illustrates the work of callback of event from mouse.
6 * gcc -o button_on_3d_object_example button_on_3d_object_example.c -g `pkg-config --libs --cflags evas ecore eo elementary`
10 #define EFL_EO_API_SUPPORT
11 #define EFL_BETA_API_SUPPORT
16 #include <Elementary.h>
21 typedef struct _Scene_Data
36 Evas_Object *win = NULL;
37 static Evas *evas = NULL;
38 static Eo *image = NULL;
39 static Eo *btn = NULL;
40 static float d_angle = 0.5;
42 static const float cube_vertices[] =
45 -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0,
46 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0,
47 -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
48 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0,
51 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0,
52 -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0,
53 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0,
54 -1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0,
57 -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0,
58 -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0,
59 -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0,
60 -1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0,
63 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0,
64 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0,
65 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
66 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 0.0,
69 -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
70 1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0,
71 -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0,
72 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0,
75 1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0,
76 -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0,
77 1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 0.0,
78 -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0,
81 static const unsigned short cube_indices[] =
93 12, 13, 14, 14, 13, 15,
96 16, 17, 18, 18, 17, 19,
99 20, 21, 22, 22, 21, 23
103 _stop_scene(void *data,
105 Evas_Object *eo EINA_UNUSED,
108 Evas_Event_Mouse_Down *ev = event_info;
112 Scene_Data *d = (Scene_Data *)data;
117 evas_3d_scene_pick(ev->canvas.x, ev->canvas.y, &n, &m, &s, &t)))
120 elm_object_signal_emit(btn, "mouse,down,1", "event");
121 eo_do(d->mesh_node, evas_3d_node_position_set(0.0, 0.0, -0.2));
127 _play_scene(void *data,
129 Evas_Object *eo EINA_UNUSED,
130 void *event_info EINA_UNUSED)
132 Scene_Data *d = (Scene_Data *)data;
135 elm_object_signal_emit(btn, "mouse,up,1", "event");
136 eo_do(d->mesh_node, evas_3d_node_position_set(0.0, 0.0, 0.0));
141 _animate_scene(void *data)
143 static float angle = 0.0f;
144 Scene_Data *scene = (Scene_Data *)data;
148 eo_do(scene->mesh_node,
149 evas_3d_node_orientation_angle_axis_set(angle, 1.0, 1.0, 1.0));
152 if (angle > 360.0) angle -= 360.0f;
158 _camera_setup(Scene_Data *data)
160 data->camera = eo_add(EVAS_3D_CAMERA_CLASS, evas);
163 evas_3d_camera_projection_perspective_set(20.0, 1.0, 2.0, 50.0));
166 eo_add(EVAS_3D_NODE_CLASS, evas,
167 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA));
168 eo_do(data->camera_node,
169 evas_3d_node_camera_set(data->camera),
170 evas_3d_node_position_set(0.0, 0.0, 15.0),
171 evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
172 EVAS_3D_SPACE_PARENT, 0.0, -1.0, 0.0));
173 eo_do(data->root_node, evas_3d_node_member_add(data->camera_node));
177 _light_setup(Scene_Data *data)
179 data->light = eo_add(EVAS_3D_LIGHT_CLASS, evas);
181 evas_3d_light_ambient_set(0.2, 0.2, 0.2, 1.0),
182 evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
183 evas_3d_light_specular_set(1.0, 1.0, 1.0, 1.0));
186 eo_add(EVAS_3D_NODE_CLASS, evas,
187 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT));
188 eo_do(data->light_node,
189 evas_3d_node_light_set(data->light),
190 evas_3d_node_position_set(0.0, 0.0, 10.0),
191 evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
192 EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0));
193 eo_do(data->root_node, evas_3d_node_member_add(data->light_node));
196 _mesh_setup(Scene_Data *data)
198 /* Setup material and texture as widget button. */
199 data->material = eo_add(EVAS_3D_MATERIAL_CLASS, evas);
200 data->texture = eo_add(EVAS_3D_TEXTURE_CLASS, evas);
203 evas_3d_texture_source_set(btn),
204 evas_3d_texture_source_visible_set(EINA_FALSE));
206 eo_do(data->material,
207 evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, data->texture),
209 evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
210 evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
211 evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
213 evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.2, 0.2, 0.2, 1.0),
214 evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 0.8, 0.8, 0.8, 1.0),
215 evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0, 1.0),
216 evas_3d_material_shininess_set(100.0));
219 data->mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
221 evas_3d_mesh_vertex_count_set(24),
222 evas_3d_mesh_frame_add(0),
224 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION,
225 12 * sizeof(float), &cube_vertices[ 0]),
226 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL,
227 12 * sizeof(float), &cube_vertices[ 3]),
228 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR,
229 12 * sizeof(float), &cube_vertices[ 6]),
230 evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD,
231 12 * sizeof(float), &cube_vertices[10]),
233 evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT,
234 36, &cube_indices[0]),
235 evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
237 evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_PHONG),
239 evas_3d_mesh_frame_material_set(0, data->material));
242 eo_add(EVAS_3D_NODE_CLASS, evas,
243 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH));
244 eo_do(data->root_node, evas_3d_node_member_add(data->mesh_node));
245 eo_do(data->mesh_node, evas_3d_node_mesh_add(data->mesh));
249 _scene_setup(Scene_Data *data)
251 data->scene = eo_add(EVAS_3D_SCENE_CLASS, evas);
253 evas_3d_scene_size_set(WIDTH, HEIGHT);
254 evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0));
257 eo_add(EVAS_3D_NODE_CLASS, evas,
258 evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE));
265 evas_3d_scene_root_node_set(data->root_node),
266 evas_3d_scene_camera_node_set(data->camera_node));
270 _mirror(Evas_Object *img)
275 evas_object_geometry_get(img, &x, &y, &w, &h);
276 m_rotate = evas_map_new(4);
278 evas_map_util_points_populate_from_object(m_rotate, img);
279 evas_map_util_rotate(m_rotate, 180, x + (w / 2), y + (h / 2));
281 evas_map_point_image_uv_set(m_rotate, 0, 0, h);
282 evas_map_point_image_uv_set(m_rotate, 1, w, h);
283 evas_map_point_image_uv_set(m_rotate, 2, w, h / 10);
284 evas_map_point_image_uv_set(m_rotate, 3, 0, h / 10);
286 evas_object_map_set(img, m_rotate);
287 evas_object_map_enable_set(img, EINA_TRUE);
289 evas_map_free(m_rotate);
293 elm_main(int argc, char **argv)
297 elm_config_accel_preference_set("3d");
298 elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
300 win = elm_win_util_standard_add("evas3d-object-button", "A button on the 3d object");
301 elm_win_autodel_set(win, EINA_TRUE);
303 evas = evas_object_evas_get(win);
305 /* Add an image object for 3D scene rendering. */
306 image = evas_object_image_filled_add(evas);
308 evas_obj_size_set(WIDTH, HEIGHT),
309 evas_obj_visibility_set(EINA_TRUE));
311 btn = elm_button_add(win);
312 evas_object_resize(btn, (WIDTH * 2) / 3, (HEIGHT * 2) / 3);
313 elm_object_text_set(btn, "3D Button");
314 elm_object_scale_set(btn, 3.0);
315 evas_object_show(btn);
317 /*Due to inverted image in case proxy object*/
320 /* Set the image object as render target for 3D scene. */
322 eo_do(image, evas_obj_image_scene_set(data.scene));
324 evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_DOWN, _stop_scene, &data);
325 evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_UP, _play_scene, &data);
327 /* Add animation timer callback. */
328 ecore_timer_add(0.016, _animate_scene, &data);
330 evas_object_resize(win, WIDTH, HEIGHT);
331 evas_object_show(win);
333 /* Enter main loop. */