/* * This example shows the mechanism of elementary widget adding (button) to the 3d scene object (cube) and * illustrates the work of callback of event from mouse. * * Compile with: * gcc -o button_on_3d_object_example button_on_3d_object_example.c -g `pkg-config --libs --cflags evas ecore eo elementary` */ #define EFL_EO_API_SUPPORT #define EFL_BETA_API_SUPPORT #include #include #include #include #define WIDTH 400 #define HEIGHT 400 typedef struct _Scene_Data { Eo *scene; Eo *root_node; Eo *camera_node; Eo *light_node; Eo *mesh_node; Eo *camera; Eo *light; Eo *mesh; Eo *material; Eo *texture; } Scene_Data; Evas_Object *win = NULL; static Evas *evas = NULL; static Eo *image = NULL; static Eo *btn = NULL; static float d_angle = 0.5; static const float cube_vertices[] = { /* Front */ -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, /* Back */ 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, -1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, /* Left */ -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, -1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, /* Right */ 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 0.0, /* Top */ -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0, -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0, /* Bottom */ 1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 0.0, -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, }; static const unsigned short cube_indices[] = { /* Front */ 0, 1, 2, 2, 1, 3, /* Back */ 4, 5, 6, 6, 5, 7, /* Left */ 8, 9, 10, 10, 9, 11, /* Right */ 12, 13, 14, 14, 13, 15, /* Top */ 16, 17, 18, 18, 17, 19, /* Bottom */ 20, 21, 22, 22, 21, 23 }; static void _stop_scene(void *data, Evas *e EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info) { Evas_Event_Mouse_Down *ev = event_info; Evas_Canvas3D_Node *n; Evas_Canvas3D_Mesh *m; Evas_Real s, t; Scene_Data *d = (Scene_Data *)data; if (ev->button == 1) { Eina_Bool ret; if (eo_do_ret(d->scene, ret, evas_canvas3d_scene_pick(ev->canvas.x, ev->canvas.y, &n, &m, &s, &t))) { d_angle = 0.0; elm_object_signal_emit(btn, "mouse,down,1", "event"); eo_do(d->mesh_node, evas_canvas3d_node_position_set(0.0, 0.0, -0.2)); } } } static void _play_scene(void *data, Evas *e EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info EINA_UNUSED) { Scene_Data *d = (Scene_Data *)data; d_angle = 0.5; elm_object_signal_emit(btn, "mouse,up,1", "event"); eo_do(d->mesh_node, evas_canvas3d_node_position_set(0.0, 0.0, 0.0)); } static Eina_Bool _animate_scene(void *data) { static float angle = 0.0f; Scene_Data *scene = (Scene_Data *)data; angle += d_angle; eo_do(scene->mesh_node, evas_canvas3d_node_orientation_angle_axis_set(angle, 1.0, 1.0, 1.0)); /* Rotate */ if (angle > 360.0) angle -= 360.0f; return EINA_TRUE; } static void _camera_setup(Scene_Data *data) { data->camera = eo_add(EVAS_CANVAS3D_CAMERA_CLASS, evas); eo_do(data->camera, evas_canvas3d_camera_projection_perspective_set(20.0, 1.0, 2.0, 50.0)); data->camera_node = eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_CAMERA)); eo_do(data->camera_node, evas_canvas3d_node_camera_set(data->camera), evas_canvas3d_node_position_set(0.0, 0.0, 15.0), evas_canvas3d_node_look_at_set(EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, -1.0, 0.0)); eo_do(data->root_node, evas_canvas3d_node_member_add(data->camera_node)); } static void _light_setup(Scene_Data *data) { data->light = eo_add(EVAS_CANVAS3D_LIGHT_CLASS, evas); eo_do(data->light, evas_canvas3d_light_ambient_set(0.2, 0.2, 0.2, 1.0), evas_canvas3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0), evas_canvas3d_light_specular_set(1.0, 1.0, 1.0, 1.0)); data->light_node = eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_LIGHT)); eo_do(data->light_node, evas_canvas3d_node_light_set(data->light), evas_canvas3d_node_position_set(0.0, 0.0, 10.0), evas_canvas3d_node_look_at_set(EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0)); eo_do(data->root_node, evas_canvas3d_node_member_add(data->light_node)); } static void _mesh_setup(Scene_Data *data) { /* Setup material and texture as widget button. */ data->material = eo_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas); data->texture = eo_add(EVAS_CANVAS3D_TEXTURE_CLASS, evas); eo_do(data->texture, evas_canvas3d_texture_source_set(btn), evas_canvas3d_texture_source_visible_set(EINA_FALSE)); eo_do(data->material, evas_canvas3d_material_texture_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, data->texture), evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE), evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE), evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE), evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.2, 0.2, 0.2, 1.0), evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.8, 0.8, 0.8, 1.0), evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0), evas_canvas3d_material_shininess_set(100.0)); /* Setup mesh. */ data->mesh = eo_add(EVAS_CANVAS3D_MESH_CLASS, evas); eo_do(data->mesh, evas_canvas3d_mesh_vertex_count_set(24), evas_canvas3d_mesh_frame_add(0), evas_canvas3d_mesh_frame_vertex_data_set(0, EVAS_CANVAS3D_VERTEX_ATTRIB_POSITION, 12 * sizeof(float), &cube_vertices[ 0]), evas_canvas3d_mesh_frame_vertex_data_set(0, EVAS_CANVAS3D_VERTEX_ATTRIB_NORMAL, 12 * sizeof(float), &cube_vertices[ 3]), evas_canvas3d_mesh_frame_vertex_data_set(0, EVAS_CANVAS3D_VERTEX_ATTRIB_COLOR, 12 * sizeof(float), &cube_vertices[ 6]), evas_canvas3d_mesh_frame_vertex_data_set(0, EVAS_CANVAS3D_VERTEX_ATTRIB_TEXCOORD, 12 * sizeof(float), &cube_vertices[10]), evas_canvas3d_mesh_index_data_set(EVAS_CANVAS3D_INDEX_FORMAT_UNSIGNED_SHORT, 36, &cube_indices[0]), evas_canvas3d_mesh_vertex_assembly_set(EVAS_CANVAS3D_VERTEX_ASSEMBLY_TRIANGLES), evas_canvas3d_mesh_shade_mode_set(EVAS_CANVAS3D_SHADE_MODE_PHONG), evas_canvas3d_mesh_frame_material_set(0, data->material)); data->mesh_node = eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_MESH)); eo_do(data->root_node, evas_canvas3d_node_member_add(data->mesh_node)); eo_do(data->mesh_node, evas_canvas3d_node_mesh_add(data->mesh)); } static void _scene_setup(Scene_Data *data) { data->scene = eo_add(EVAS_CANVAS3D_SCENE_CLASS, evas); eo_do(data->scene, evas_canvas3d_scene_size_set(WIDTH, HEIGHT); evas_canvas3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0)); data->root_node = eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_NODE)); _camera_setup(data); _light_setup(data); _mesh_setup(data); eo_do(data->scene, evas_canvas3d_scene_root_node_set(data->root_node), evas_canvas3d_scene_camera_node_set(data->camera_node)); } static void _mirror(Evas_Object *img) { int x, y, w, h; Evas_Map *m_rotate; evas_object_geometry_get(img, &x, &y, &w, &h); m_rotate = evas_map_new(4); evas_map_util_points_populate_from_object(m_rotate, img); evas_map_util_rotate(m_rotate, 180, x + (w / 2), y + (h / 2)); evas_map_point_image_uv_set(m_rotate, 0, 0, h); evas_map_point_image_uv_set(m_rotate, 1, w, h); evas_map_point_image_uv_set(m_rotate, 2, w, h / 10); evas_map_point_image_uv_set(m_rotate, 3, 0, h / 10); evas_object_map_set(img, m_rotate); evas_object_map_enable_set(img, EINA_TRUE); evas_map_free(m_rotate); } int elm_main(int argc, char **argv) { Scene_Data data; elm_config_accel_preference_set("3d"); elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED); win = elm_win_util_standard_add("evas3d-object-button", "A button on the 3d object"); elm_win_autodel_set(win, EINA_TRUE); evas = evas_object_evas_get(win); /* Add an image object for 3D scene rendering. */ image = evas_object_image_filled_add(evas); eo_do(image, efl_gfx_size_set(WIDTH, HEIGHT), efl_gfx_visible_set(EINA_TRUE)); btn = elm_button_add(win); evas_object_resize(btn, (WIDTH * 2) / 3, (HEIGHT * 2) / 3); elm_object_text_set(btn, "3D Button"); elm_object_scale_set(btn, 3.0); evas_object_show(btn); /*Due to inverted image in case proxy object*/ _mirror(image); /* Set the image object as render target for 3D scene. */ _scene_setup(&data); eo_do(image, evas_obj_image_scene_set(data.scene)); evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_DOWN, _stop_scene, &data); evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_UP, _play_scene, &data); /* Add animation timer callback. */ ecore_timer_add(0.016, _animate_scene, &data); evas_object_resize(win, WIDTH, HEIGHT); evas_object_show(win); /* Enter main loop. */ elm_run(); return 0; } ELM_MAIN()