2015-02-23 08:59:05 -08:00
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/**
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2017-05-08 15:25:12 -07:00
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* Example of creating simple meshes in Evas-3D.
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2015-02-23 08:59:05 -08:00
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*
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* This example is the best to start introduction to usage of Evas-3D.
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*
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* @verbatim
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2015-04-15 03:16:48 -07:00
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* gcc -o evas-3d-cube evas-3d-cube.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo`
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2015-02-23 08:59:05 -08:00
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* @endverbatim
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*/
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2016-06-21 08:01:16 -07:00
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#else
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2014-05-11 21:30:50 -07:00
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#define EFL_BETA_API_SUPPORT
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2016-06-21 08:01:16 -07:00
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#define EFL_EO_API_SUPPORT
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#endif
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2014-04-30 04:37:20 -07:00
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2014-04-30 05:36:04 -07:00
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#include <Eo.h>
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#include <Evas.h>
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2013-12-27 00:39:58 -08:00
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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2014-04-30 04:37:20 -07:00
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#define WIDTH 400
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#define HEIGHT 400
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2013-12-27 00:39:58 -08:00
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typedef struct _Scene_Data
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{
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2014-04-30 04:37:20 -07:00
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Eo *scene;
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Eo *root_node;
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Eo *camera_node;
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Eo *light_node;
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Eo *mesh_node;
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Eo *camera;
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Eo *light;
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Eo *mesh;
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Eo *material;
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2013-12-27 00:39:58 -08:00
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} Scene_Data;
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2014-04-30 05:36:04 -07:00
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static Ecore_Evas *ecore_evas = NULL;
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static Evas *evas = NULL;
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static Eo *background = NULL;
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static Eo *image = NULL;
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2013-12-27 00:39:58 -08:00
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static const float cube_vertices[] =
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{
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/* Front */
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-1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0,
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1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0,
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-1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
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1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0,
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/* Back */
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1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0,
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-1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0,
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1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0,
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-1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0,
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/* Left */
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-1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0,
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-1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0,
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-1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0,
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-1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0,
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/* Right */
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1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0,
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1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0,
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1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
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1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 0.0,
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/* Top */
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-1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
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1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0,
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-1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0,
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1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0,
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/* Bottom */
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1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0,
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-1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 0.0,
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-1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0,
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};
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static const unsigned short cube_indices[] =
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{
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/* Front */
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0, 1, 2, 2, 1, 3,
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/* Back */
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4, 5, 6, 6, 5, 7,
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/* Left */
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8, 9, 10, 10, 9, 11,
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/* Right */
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12, 13, 14, 14, 13, 15,
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/* Top */
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16, 17, 18, 18, 17, 19,
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/* Bottom */
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20, 21, 22, 22, 21, 23
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};
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static void
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_on_delete(Ecore_Evas *ee EINA_UNUSED)
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{
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ecore_main_loop_quit();
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}
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static void
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_on_canvas_resize(Ecore_Evas *ee)
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{
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int w, h;
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ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
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2016-03-01 10:06:28 -08:00
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efl_gfx_size_set(background, w, h);
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efl_gfx_size_set(image, w, h);
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2013-12-27 00:39:58 -08:00
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}
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static Eina_Bool
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_animate_scene(void *data)
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{
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static float angle = 0.0f;
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Scene_Data *scene = (Scene_Data *)data;
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angle += 0.5;
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_orientation_angle_axis_set(scene->mesh_node, angle, 1.0, 1.0, 1.0);
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2013-12-27 00:39:58 -08:00
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/* Rotate */
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2014-04-30 04:37:20 -07:00
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if (angle > 360.0) angle -= 360.0f;
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2013-12-27 00:39:58 -08:00
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return EINA_TRUE;
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}
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static void
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_camera_setup(Scene_Data *data)
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{
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2016-08-15 06:44:41 -07:00
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data->camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
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2014-05-01 02:01:56 -07:00
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_camera_projection_perspective_set(data->camera, 60.0, 1.0, 2.0, 50.0);
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2013-12-27 00:39:58 -08:00
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2016-03-11 04:24:08 -08:00
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data->camera_node =
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2016-09-05 08:57:35 -07:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_camera_set(data->camera_node, data->camera);
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evas_canvas3d_node_position_set(data->camera_node, 0.0, 0.0, 10.0);
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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);
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evas_canvas3d_node_member_add(data->root_node, data->camera_node);
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2013-12-27 00:39:58 -08:00
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}
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static void
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_light_setup(Scene_Data *data)
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{
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2016-08-15 06:44:41 -07:00
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data->light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_light_ambient_set(data->light, 0.2, 0.2, 0.2, 1.0);
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evas_canvas3d_light_diffuse_set(data->light, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_light_specular_set(data->light, 1.0, 1.0, 1.0, 1.0);
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2013-12-27 00:39:58 -08:00
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2016-03-11 04:24:08 -08:00
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data->light_node =
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2016-09-05 08:57:35 -07:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_light_set(data->light_node, data->light);
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evas_canvas3d_node_position_set(data->light_node, 0.0, 0.0, 10.0);
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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);
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evas_canvas3d_node_member_add(data->root_node, data->light_node);
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2013-12-27 00:39:58 -08:00
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}
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static void
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_mesh_setup(Scene_Data *data)
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{
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/* Setup material. */
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2016-08-15 06:44:41 -07:00
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data->material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
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2014-05-01 02:01:56 -07:00
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
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evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
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evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
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evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.2, 0.2, 0.2, 1.0);
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evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.8, 0.8, 0.8, 1.0);
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evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_material_shininess_set(data->material, 100.0);
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2013-12-27 00:39:58 -08:00
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/* Setup mesh. */
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2016-08-15 06:44:41 -07:00
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data->mesh = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_mesh_vertex_count_set(data->mesh, 24);
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evas_canvas3d_mesh_frame_add(data->mesh, 0);
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evas_canvas3d_mesh_frame_vertex_data_set(data->mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_POSITION, 12 * sizeof(float), &cube_vertices[ 0]);
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evas_canvas3d_mesh_frame_vertex_data_set(data->mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_NORMAL, 12 * sizeof(float), &cube_vertices[ 3]);
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evas_canvas3d_mesh_frame_vertex_data_set(data->mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_COLOR, 12 * sizeof(float), &cube_vertices[ 6]);
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evas_canvas3d_mesh_frame_vertex_data_set(data->mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_TEXCOORD, 12 * sizeof(float), &cube_vertices[10]);
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evas_canvas3d_mesh_index_data_set(data->mesh, EVAS_CANVAS3D_INDEX_FORMAT_UNSIGNED_SHORT, 36, &cube_indices[0]);
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evas_canvas3d_mesh_vertex_assembly_set(data->mesh, EVAS_CANVAS3D_VERTEX_ASSEMBLY_TRIANGLES);
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2016-04-14 04:28:20 -07:00
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evas_canvas3d_mesh_shader_mode_set(data->mesh, EVAS_CANVAS3D_SHADER_MODE_PHONG);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_mesh_frame_material_set(data->mesh, 0, data->material);
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2014-04-30 04:37:20 -07:00
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2016-03-11 04:24:08 -08:00
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data->mesh_node =
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2016-09-05 08:57:35 -07:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH));
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_member_add(data->root_node, data->mesh_node);
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evas_canvas3d_node_mesh_add(data->mesh_node, data->mesh);
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2013-12-27 00:39:58 -08:00
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}
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static void
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_scene_setup(Scene_Data *data)
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{
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2016-08-15 06:44:41 -07:00
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data->scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_scene_size_set(data->scene, WIDTH, HEIGHT);
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evas_canvas3d_scene_background_color_set(data->scene, 0.0, 0.0, 0.0, 0.0);
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2013-12-27 00:39:58 -08:00
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2016-03-11 04:24:08 -08:00
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data->root_node =
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2016-09-05 08:57:35 -07:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE));
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2013-12-27 00:39:58 -08:00
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_camera_setup(data);
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_light_setup(data);
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_mesh_setup(data);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_scene_root_node_set(data->scene, data->root_node);
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evas_canvas3d_scene_camera_node_set(data->scene, data->camera_node);
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2013-12-27 00:39:58 -08:00
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}
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int
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main(void)
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{
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2017-04-25 16:28:15 -07:00
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// Unless Evas 3D supports Software renderer, we set gl backend forcely.
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2014-05-06 23:32:11 -07:00
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setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
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2013-12-27 00:39:58 -08:00
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Scene_Data data;
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2014-04-30 04:37:20 -07:00
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if (!ecore_evas_init()) return 0;
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2013-12-27 00:39:58 -08:00
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ecore_evas = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
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2014-04-30 04:37:20 -07:00
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if (!ecore_evas) return 0;
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2013-12-27 00:39:58 -08:00
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ecore_evas_callback_delete_request_set(ecore_evas, _on_delete);
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ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize);
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ecore_evas_show(ecore_evas);
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evas = ecore_evas_get(ecore_evas);
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_scene_setup(&data);
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2017-04-25 16:28:15 -07:00
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/* Add a background rectangle object. */
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2016-08-15 06:44:41 -07:00
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background = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas);
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2016-03-01 10:06:28 -08:00
|
|
|
efl_gfx_color_set(background, 0, 0, 0, 255);
|
|
|
|
efl_gfx_size_set(background, WIDTH, HEIGHT);
|
|
|
|
efl_gfx_visible_set(background, EINA_TRUE);
|
2013-12-27 00:39:58 -08:00
|
|
|
|
2014-04-30 05:36:04 -07:00
|
|
|
/* Add an image object for 3D scene rendering. */
|
2016-08-15 06:44:41 -07:00
|
|
|
image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
efl_gfx_size_set(image, WIDTH, HEIGHT);
|
|
|
|
efl_gfx_visible_set(image, EINA_TRUE);
|
2013-12-27 00:39:58 -08:00
|
|
|
|
|
|
|
/* Set the image object as render target for 3D scene. */
|
2016-03-07 21:11:07 -08:00
|
|
|
efl_canvas_scene3d_set(image, data.scene);
|
2013-12-27 00:39:58 -08:00
|
|
|
|
|
|
|
/* 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;
|
|
|
|
}
|