cedric pushed a commit to branch master.
http://git.enlightenment.org/core/elementary.git/commit/?id=8ef70b665ed8b252a148321ed22de36e77cab985
commit 8ef70b665ed8b252a148321ed22de36e77cab985
Author: se.osadchy <se.osad...@samsung.com>
Date: Wed Jun 4 19:19:25 2014 +0200
example: add new example for button and Evas_3D object.
Summary: This example shows the mechanism of elementary widget (button)
adding to the 3d scene object.
Reviewers: Hermet, cedric, raster
Differential Revision: https://phab.enlightenment.org/D937
Signed-off-by: Cedric BAIL <c.b...@partner.samsung.com>
---
src/examples/Makefile.am | 2 +
src/examples/button_on_3d_object_example.c | 339 +++++++++++++++++++++++++++++
2 files changed, 341 insertions(+)
diff --git a/src/examples/Makefile.am b/src/examples/Makefile.am
index 8998cf0..512fa12 100644
--- a/src/examples/Makefile.am
+++ b/src/examples/Makefile.am
@@ -140,6 +140,7 @@ web_example_01.c \
web_example_02.c \
win_example.c \
3d_scene_on_button_example.c \
+button_on_3d_object_example.c \
track_example_01.c
.edc.edj:
@@ -280,6 +281,7 @@ web_example_01 \
web_example_02 \
win_example \
3d_scene_on_button_example \
+button_on_3d_object_example \
track_example_01
if ELEMENTARY_WINDOWS_BUILD
diff --git a/src/examples/button_on_3d_object_example.c
b/src/examples/button_on_3d_object_example.c
new file mode 100644
index 0000000..53a33f2
--- /dev/null
+++ b/src/examples/button_on_3d_object_example.c
@@ -0,0 +1,339 @@
+/*
+ * 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 <Eo.h>
+#include <Evas.h>
+#include <Ecore.h>
+#include <Elementary.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 *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_3D_Node *n;
+ Evas_3D_Mesh *m;
+ Evas_Real s, t;
+ Scene_Data *d = (Scene_Data *)data;
+
+ if (ev->button == 1)
+ {
+ if (eo_do(d->scene,
+ evas_3d_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_3d_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_3d_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_3d_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_3D_CAMERA_CLASS, evas);
+
+ eo_do(data->camera,
+ evas_3d_camera_projection_perspective_set(20.0, 1.0, 2.0, 50.0));
+
+ data->camera_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA));
+ eo_do(data->camera_node,
+ evas_3d_node_camera_set(data->camera),
+ evas_3d_node_position_set(0.0, 0.0, 15.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
+ EVAS_3D_SPACE_PARENT, 0.0, -1.0, 0.0));
+ eo_do(data->root_node, evas_3d_node_member_add(data->camera_node));
+}
+
+static void
+_light_setup(Scene_Data *data)
+{
+ data->light = eo_add(EVAS_3D_LIGHT_CLASS, evas);
+ eo_do(data->light,
+ evas_3d_light_ambient_set(0.2, 0.2, 0.2, 1.0),
+ evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
+ evas_3d_light_specular_set(1.0, 1.0, 1.0, 1.0));
+
+ data->light_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT));
+ eo_do(data->light_node,
+ evas_3d_node_light_set(data->light),
+ evas_3d_node_position_set(0.0, 0.0, 10.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
+ EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0));
+ eo_do(data->root_node, evas_3d_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_3D_MATERIAL_CLASS, evas);
+ data->texture = eo_add(EVAS_3D_TEXTURE_CLASS, evas);
+
+ eo_do(data->texture,
+ evas_3d_texture_source_set(btn),
+ evas_3d_texture_source_visible_set(EINA_FALSE));
+
+ eo_do(data->material,
+ evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, data->texture),
+
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
+
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.2, 0.2, 0.2,
1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 0.8, 0.8, 0.8,
1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0,
1.0),
+ evas_3d_material_shininess_set(100.0));
+
+ /* Setup mesh. */
+ data->mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
+ eo_do(data->mesh,
+ evas_3d_mesh_vertex_count_set(24),
+ evas_3d_mesh_frame_add(0),
+
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION,
+ 12 * sizeof(float),
&cube_vertices[ 0]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL,
+ 12 * sizeof(float),
&cube_vertices[ 3]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR,
+ 12 * sizeof(float),
&cube_vertices[ 6]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD,
+ 12 * sizeof(float),
&cube_vertices[10]),
+
+ evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT,
+ 36, &cube_indices[0]),
+ evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
+
+ evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_PHONG),
+
+ evas_3d_mesh_frame_material_set(0, data->material));
+
+ data->mesh_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH));
+ eo_do(data->root_node, evas_3d_node_member_add(data->mesh_node));
+ eo_do(data->mesh_node, evas_3d_node_mesh_add(data->mesh));
+}
+
+static void
+_scene_setup(Scene_Data *data)
+{
+ data->scene = eo_add(EVAS_3D_SCENE_CLASS, evas);
+ eo_do(data->scene,
+ evas_3d_scene_size_set(WIDTH, HEIGHT);
+ evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0));
+
+ data->root_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE));
+
+ _camera_setup(data);
+ _light_setup(data);
+ _mesh_setup(data);
+
+ eo_do(data->scene,
+ evas_3d_scene_root_node_set(data->root_node),
+ evas_3d_scene_camera_node_set(data->camera_node));
+}
+
+static void
+_mirror(Evas_Object *image)
+{
+ int x, y, w, h;
+ Evas_Map *m_rotate;
+
+ evas_object_geometry_get(image, &x, &y, &w, &h);
+ m_rotate = evas_map_new(4);
+
+ evas_map_util_points_populate_from_object(m_rotate, image);
+ 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(image, m_rotate);
+ evas_object_map_enable_set(image, EINA_TRUE);
+
+ evas_map_free(m_rotate);
+}
+
+int
+main(void)
+{
+ Scene_Data data;
+
+ if (!elm_init(0, 0)) return 0;
+
+ elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
+
+ win = elm_win_util_standard_add("__WIN__", " A button on the 3d object");
+ elm_win_autodel_set(win, EINA_TRUE);
+ evas_object_resize(win, WIDTH, HEIGHT);
+ evas_object_show(win);
+
+ evas = evas_object_evas_get(win);
+
+ /* Add an image object for 3D scene rendering. */
+ image = evas_object_image_filled_add(evas);
+ eo_do(image,
+ evas_obj_size_set(WIDTH, HEIGHT),
+ evas_obj_visibility_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);
+
+ /* Enter main loop. */
+ elm_run();
+
+ elm_shutdown();
+
+ return 0;
+}
--
