diff options
Diffstat (limited to 'src/examples/evas/evas-3d-cube-rotate.c')
| -rw-r--r-- | src/examples/evas/evas-3d-cube-rotate.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/src/examples/evas/evas-3d-cube-rotate.c b/src/examples/evas/evas-3d-cube-rotate.c deleted file mode 100644 index d5b89b3037..0000000000 --- a/src/examples/evas/evas-3d-cube-rotate.c +++ /dev/null @@ -1,285 +0,0 @@ -/** - * Example of using mouse callback events for node rotation in Evas-3D. - * - * After clicking the mouse on cube callbacks began to emit automatically, - * depending on mouse's position change the cube rotates with a certain - * speed while mouse is still on the cube, also rotation slows down when - * leaving the boundaries of the cube, all this goes on while the mouse - * is pressed. Note, that rotation is taking place around one axis only. - * - * @verbatim - * gcc -o evas-3d-cube-rotate evas-3d-cube-rotate.c -g `pkg-config --libs --cflags evas ecore ecore-evas eo` -lm - * @endverbatim - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#else -#define EFL_BETA_API_SUPPORT -#endif - -#include <Ecore.h> -#include <Ecore_Evas.h> -#include <Evas.h> -#include <Eo.h> - -#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 *cube; - Eo *mesh; - Eo *material; - float angle; - Evas_Coord mouse_old_x; - int mouse_diff_x; - int mouse_indicator; -} Scene_Data; - -Eo *scene = NULL; -Ecore_Evas *ecore_evas = NULL; -Evas *evas = NULL; -Eo *background = NULL; -Eo *image = NULL; -static float angle = 0.0f; -float d_angle = 0.5; - -static void -_on_delete(Ecore_Evas *ee EINA_UNUSED) -{ - ecore_main_loop_quit(); -} - -static void -_on_canvas_resize(Ecore_Evas *ee) -{ - int w, h; - - ecore_evas_geometry_get(ee, NULL, NULL, &w, &h); - - evas_object_resize(background, w, h); - evas_object_resize(image, w, h); - evas_object_move(image, 0, 0); -} - -static Eina_Bool -_continue_scene(void *data) -{ - Scene_Data *d = (Scene_Data *)data; - - if (d->mouse_indicator == 1) - { - evas_event_feed_mouse_down(evas, 1, EVAS_BUTTON_NONE, 0, &data); - } - - return EINA_TRUE; -} - -static void -_rotate_x_reload(Evas_Canvas3D_Scene *eo_scene, Evas_Event_Mouse_Down *ev, Evas_Canvas3D_Node *node, Evas_Canvas3D_Mesh *mesh, - float *angle_diff, Evas_Coord *mouse_coord) -{ - Evas_Canvas3D_Node *n = NULL; - Evas_Canvas3D_Mesh *m = NULL; - Evas_Real s, t; - int mouse_diff; - - evas_canvas3d_scene_pick(eo_scene, ev->canvas.x, ev->canvas.y, &n, &m, &s, &t); - - if ((n == node) && (m == mesh)) - { - mouse_diff = ev->canvas.x - (*mouse_coord); - *mouse_coord = ev->canvas.x; - *angle_diff = (mouse_diff)/4; - } - else - { - if (*angle_diff > 2) - (*angle_diff)-=1; - else if (*angle_diff >0) - (*angle_diff)-=0.25; - else if(*angle_diff < -2) - (*angle_diff)+=1; - else if (*angle_diff <0) - (*angle_diff)+=0.25; - } -} - -static void -_play_scene(void *data, Evas *_evas EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info) -{ - Evas_Event_Mouse_Down *ev = event_info; - Scene_Data *d = (Scene_Data *)data; - - _rotate_x_reload(scene, ev, d->mesh_node, d->mesh, &d->angle, &d->mouse_old_x); - - /* Run this cycle only once to avoid the callback tree. */ - if (d->mouse_indicator == 0) - ecore_timer_add(0.016, _continue_scene, data); - - d->mouse_indicator = 1; -} - -static void -_stop_scene(void *data, Evas *_evas EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info EINA_UNUSED) -{ - Scene_Data *d = (Scene_Data *)data; - - d->angle = 0.0; - d->mouse_indicator = 2; -} - -static Eina_Bool -_animate_scene(void *data) -{ - Scene_Data *sc = (Scene_Data *)data; - - angle += sc->angle; - - evas_canvas3d_node_orientation_angle_axis_set(sc->mesh_node, angle, 0, 1.0, 0.0); - - return EINA_TRUE; -} - -static void -_camera_setup(Scene_Data *data) -{ - data->camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas); - evas_canvas3d_camera_projection_perspective_set(data->camera, 20.0, 1.0, 2.0, 50.0); - - data->camera_node = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA)); - evas_canvas3d_node_camera_set(data->camera_node, data->camera); - evas_canvas3d_node_position_set(data->camera_node, 3.0, 3.0, 10.0); - evas_canvas3d_node_look_at_set(data->camera_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0); - - evas_canvas3d_node_member_add(data->root_node, data->camera_node); -} - -static void -_light_setup(Scene_Data *data) -{ - data->light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas); - - evas_canvas3d_light_ambient_set(data->light, 0.2, 0.2, 0.2, 1.0); - evas_canvas3d_light_diffuse_set(data->light, 1.0, 1.0, 1.0, 1.0); - evas_canvas3d_light_specular_set(data->light, 1.0, 1.0, 1.0, 1.0); - - data->light_node = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT)); - - evas_canvas3d_node_light_set(data->light_node, data->light); - evas_canvas3d_node_position_set(data->light_node, 5.0, 5.0, 10.0); - evas_canvas3d_node_look_at_set(data->light_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0); - - evas_canvas3d_node_member_add(data->root_node, data->light_node); -} - -static void -_mesh_setup(Scene_Data *data) -{ - /* Setup material. */ - data->material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas); - - evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE); - evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE); - evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE); - evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.2, 0.2, 0.2, 1.0); - evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.8, 0.8, 0.8, 1.0); - evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0); - evas_canvas3d_material_shininess_set(data->material, 100.0); - - /* Setup primitive */ - data->cube = efl_add(EVAS_CANVAS3D_PRIMITIVE_CLASS, evas); - evas_canvas3d_primitive_form_set(data->cube, EVAS_CANVAS3D_MESH_PRIMITIVE_CUBE); - - /* Setup mesh. */ - data->mesh = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas); - evas_canvas3d_mesh_from_primitive_set(data->mesh, 0, data->cube); - evas_canvas3d_mesh_shader_mode_set(data->mesh, EVAS_CANVAS3D_SHADER_MODE_PHONG); - evas_canvas3d_mesh_frame_material_set(data->mesh, 0, data->material); - - data->mesh_node = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH)); - evas_canvas3d_node_member_add(data->root_node, data->mesh_node); - evas_canvas3d_node_mesh_add(data->mesh_node, data->mesh); -} - -static void -_scene_setup(Scene_Data *data) -{ - scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas); - data->root_node = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE)); - - evas_canvas3d_scene_size_set(scene, WIDTH, HEIGHT); - evas_canvas3d_scene_background_color_set(scene, 0.0, 0.0, 0.0, 0.0); - - _camera_setup(data); - _light_setup(data); - _mesh_setup(data); - - evas_canvas3d_scene_root_node_set(scene, data->root_node); - evas_canvas3d_scene_camera_node_set(scene, data->camera_node); - - data->mouse_old_x = 0; - data->mouse_diff_x = 0; - data->mouse_indicator = 0; -} - -int -main(void) -{ - Scene_Data data; - - if (!ecore_evas_init()) return 0; - - ecore_evas = ecore_evas_new("opengl_x11", 10, 10, WIDTH, HEIGHT, NULL); - - if (!ecore_evas) return 0; - - ecore_evas_callback_delete_request_set(ecore_evas, _on_delete); - ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize); - ecore_evas_show(ecore_evas); - - evas = ecore_evas_get(ecore_evas); - - memset(&data, 0, sizeof(Scene_Data)); - _scene_setup(&data); - - /* Add a background rectangle object. */ - background = evas_object_rectangle_add(evas); - evas_object_color_set(background, 0, 0, 0, 255); - evas_object_move(background, 0, 0); - evas_object_resize(background, WIDTH, HEIGHT); - evas_object_show(background); - - /* Add an image object for 3D scene rendering. */ - image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas); - efl_gfx_entity_geometry_set(image, EINA_RECT(0, 0, WIDTH, HEIGHT)); - evas_object_show(image); - - /* Set the image object as render target for 3D scene. */ - efl_canvas_scene3d_set(image, scene); - - evas_object_focus_set(image, EINA_TRUE); - - evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_DOWN, _play_scene, &data); - evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_UP, _stop_scene, &data); - - /* Add animation timer callback. */ - ecore_timer_add(0.016, _animate_scene, &data); - - /* Enter main loop. */ - ecore_main_loop_begin(); - - ecore_evas_free(ecore_evas); - ecore_evas_shutdown(); - - return 0; -} |