2014-11-30 22:39:36 -08:00
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/**
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* Example illustrating usage of blending modes. Press "Up" or "Down" key for change source blending factor.
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* Press "Left" or "Right" for change destination blending factors.
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* For more detailes see https://www.opengl.org/sdk/docs/man2/xhtml/glBlendFunc.xml
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*
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* @verbatim
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2015-05-29 09:14:08 -07:00
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* gcc -o evas-3d-blending evas-3d-blending.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo`-lm
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2014-11-30 22:39:36 -08:00
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* @endverbatim
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*/
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#define EFL_EO_API_SUPPORT
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#define EFL_BETA_API_SUPPORT
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#include <Eo.h>
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#include <Evas.h>
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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#define WIDTH 1024
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#define HEIGHT 1024
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static const char *blend_func_names[] =
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{
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/**< The scale factors for color components is (0, 0, 0, 0)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ZERO",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (Rs/kR, Gs/kG, Bs/kB, As/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_SRC_COLOR",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1) - (Rs/kR, Gs/kG, Bs/kB, As/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_SRC_COLOR",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (Rd/kR, Gd/kG, Bd/kB, Ad/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_DST_COLOR",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1) - (Rd/kR, Gd/kG, Bd/kB, Ad/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_DST_COLOR",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (As/kA, As/kA, As/kA, As/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1) - (As/kA, As/kA, As/kA, As/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_SRC_ALPHA",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (Ad/kA, Ad/kA, Ad/kA, Ad/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_DST_ALPHA",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1) - (Ad/kA, Ad/kA, Ad/kA, Ad/kA)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_DST_ALPHA",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (Rc, Gc, Bc, Ac)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_CONSTANT_COLOR",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1) - (Rc, Gc, Bc, Ac)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_CONSTANT_COLOR",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (Ac, Ac, Ac, Ac)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_CONSTANT_ALPHA",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (1, 1, 1, 1) - (Ac, Ac, Ac, Ac)*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_CONSTANT_ALPHA",
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2014-11-30 22:39:36 -08:00
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/**< The scale factors for color components is (i, i, i, 1) where i = min(As, kA, Ad)/kA*/
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2015-07-14 03:19:35 -07:00
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"EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE",
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2014-11-30 22:39:36 -08:00
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};
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typedef struct _Scene_Data
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{
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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 *mesh_node1;
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Eo *camera;
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Eo *light;
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Eo *mesh;
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Eo *mesh1;
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2015-05-29 09:14:08 -07:00
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Eo *sphere;
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2014-11-30 22:39:36 -08:00
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Eo *material;
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Eo *material1;
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} Scene_Data;
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Evas *evas = NULL;
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Eo *background = NULL;
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Eo *image = NULL;
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2015-07-14 03:19:35 -07:00
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int func1 = EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA;
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int func2 = EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_SRC_ALPHA;
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2014-11-30 22:39:36 -08:00
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static void
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_on_key_down(void *data, Evas *e EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info)
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{
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Scene_Data *scene = (Scene_Data *)data;
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Evas_Event_Key_Down *ev = event_info;
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if (!strcmp("Up", ev->key))
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func1++;
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if (!strcmp("Down", ev->key))
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func1--;
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if (!strcmp("Left", ev->key))
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func2++;
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if (!strcmp("Right", ev->key))
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func2--;
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2015-07-14 03:19:35 -07:00
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if(func1 < EVAS_CANVAS3D_BLEND_FUNC_ZERO)
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func1 = EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE;
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if(func1 > EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE)
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func1 = EVAS_CANVAS3D_BLEND_FUNC_ZERO;
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2014-11-30 22:39:36 -08:00
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2015-07-14 03:19:35 -07:00
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if(func2 < EVAS_CANVAS3D_BLEND_FUNC_ZERO)
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func2 = EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE;
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if(func2 > EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE)
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func2 = EVAS_CANVAS3D_BLEND_FUNC_ZERO;
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2015-06-17 07:31:14 -07:00
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eo_do(scene->mesh1, evas_canvas3d_mesh_blending_func_set(func1, func2));
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2014-11-30 22:39:36 -08:00
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printf("sfactor = %s, dfactor = %s\n", blend_func_names[func1], blend_func_names[func2]);
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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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evas_object_resize(background, w, h);
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2015-04-03 07:30:47 -07:00
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eo_do(background, efl_gfx_size_set(w, h));
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eo_do(image, efl_gfx_size_set(w, h));
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2014-11-30 22:39:36 -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 += 0.02;
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eo_do(scene->mesh_node,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_node_position_set(3 * sin(angle), 0.0, 3 * cos(angle)));
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2014-11-30 22:39:36 -08:00
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if (angle > 2 * M_PI) angle = 0;
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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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2015-06-17 07:31:14 -07:00
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data->camera = eo_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
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2014-11-30 22:39:36 -08:00
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eo_do(data->camera,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_camera_projection_perspective_set(60.0, 1.0, 2.0, 50.0));
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2014-11-30 22:39:36 -08:00
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data->camera_node =
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2015-06-17 07:31:14 -07:00
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eo_add(EVAS_CANVAS3D_NODE_CLASS, evas,
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evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_CAMERA));
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2014-11-30 22:39:36 -08:00
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eo_do(data->camera_node,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_node_camera_set(data->camera),
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evas_canvas3d_node_position_set(0.0, 0.0, 10.0),
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evas_canvas3d_node_look_at_set(EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0,
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EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0));
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2014-11-30 22:39:36 -08:00
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2015-06-17 07:31:14 -07:00
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eo_do(data->root_node, evas_canvas3d_node_member_add(data->camera_node));
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2014-11-30 22:39:36 -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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2015-06-17 07:31:14 -07:00
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data->light = eo_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
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2014-11-30 22:39:36 -08:00
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eo_do(data->light,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_light_ambient_set(0.2, 0.2, 0.2, 1.0),
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evas_canvas3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
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evas_canvas3d_light_specular_set(1.0, 1.0, 1.0, 1.0));
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2014-11-30 22:39:36 -08:00
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data->light_node =
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2015-06-17 07:31:14 -07:00
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eo_add(EVAS_CANVAS3D_NODE_CLASS, evas,
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evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_LIGHT));
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2014-11-30 22:39:36 -08:00
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eo_do(data->light_node,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_node_light_set(data->light),
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evas_canvas3d_node_position_set(0.0, 0.0, 10.0),
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evas_canvas3d_node_look_at_set(EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0,
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EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0));
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eo_do(data->root_node, evas_canvas3d_node_member_add(data->light_node));
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2014-11-30 22:39:36 -08:00
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}
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static void
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2015-06-17 07:31:14 -07:00
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_set_ball(Eo *mesh, Eo *sphere, Evas_Canvas3D_Material *material)
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2014-11-30 22:39:36 -08:00
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{
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2015-04-06 17:17:23 -07:00
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eo_do(mesh,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_mesh_from_primitive_set(0, sphere),
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evas_canvas3d_mesh_frame_material_set(0, material),
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evas_canvas3d_mesh_shade_mode_set(EVAS_CANVAS3D_SHADE_MODE_PHONG));
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2014-11-30 22:39:36 -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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2015-06-17 07:31:14 -07:00
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data->material = eo_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
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2014-11-30 22:39:36 -08:00
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eo_do(data->material,
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2015-07-14 03:19:35 -07:00
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evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE),
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evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE),
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evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE),
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2014-11-30 22:39:36 -08:00
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2015-07-14 03:19:35 -07:00
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evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 1.0, 0.2, 0.2, 0.2),
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evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 0.0, 0.0, 0.2),
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evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 0.2),
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_material_shininess_set(100.0));
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2014-11-30 22:39:36 -08:00
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2015-06-17 07:31:14 -07:00
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data->material1 = eo_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
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2014-11-30 22:39:36 -08:00
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eo_do(data->material1,
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2015-07-14 03:19:35 -07:00
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evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE),
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evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE),
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evas_canvas3d_material_enable_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE),
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2014-11-30 22:39:36 -08:00
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2015-07-14 03:19:35 -07:00
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evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.0, 0.2, 0.2, 0.2),
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evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.0, 0.0, 1.0, 0.2),
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evas_canvas3d_material_color_set(EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 0.2),
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_material_shininess_set(100.0));
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2014-11-30 22:39:36 -08:00
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2015-06-17 07:31:14 -07:00
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data->sphere = eo_add(EVAS_CANVAS3D_PRIMITIVE_CLASS, evas);
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2015-05-29 09:14:08 -07:00
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eo_do(data->sphere,
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2015-06-17 07:31:14 -07:00
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evas_canvas3d_primitive_form_set(EVAS_CANVAS3D_MESH_PRIMITIVE_SPHERE),
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evas_canvas3d_primitive_precision_set(50));
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2015-05-29 09:14:08 -07:00
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2015-06-17 07:31:14 -07:00
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data->mesh = eo_add(EVAS_CANVAS3D_MESH_CLASS, evas);
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data->mesh1 = eo_add(EVAS_CANVAS3D_MESH_CLASS, evas);
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2014-11-30 22:39:36 -08:00
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2015-05-29 09:14:08 -07:00
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_set_ball(data->mesh, data->sphere, data->material);
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_set_ball(data->mesh1, data->sphere, data->material1);
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2014-11-30 22:39:36 -08:00
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data->mesh_node =
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2015-06-17 07:31:14 -07:00
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eo_add(EVAS_CANVAS3D_NODE_CLASS, evas,
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evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_MESH));
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2014-11-30 22:39:36 -08:00
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2015-06-17 07:31:14 -07:00
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eo_do(data->root_node, evas_canvas3d_node_member_add(data->mesh_node));
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eo_do(data->mesh_node, evas_canvas3d_node_mesh_add(data->mesh));
|
2014-11-30 22:39:36 -08:00
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data->mesh_node1 =
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2015-06-17 07:31:14 -07:00
|
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eo_add(EVAS_CANVAS3D_NODE_CLASS, evas,
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|
|
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evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_MESH));
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2014-11-30 22:39:36 -08:00
|
|
|
|
2015-06-17 07:31:14 -07:00
|
|
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eo_do(data->root_node, evas_canvas3d_node_member_add(data->mesh_node1));
|
|
|
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eo_do(data->mesh_node1, evas_canvas3d_node_mesh_add(data->mesh1));
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2014-11-30 22:39:36 -08:00
|
|
|
|
2015-06-17 07:31:14 -07:00
|
|
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eo_do(data->mesh1, evas_canvas3d_mesh_blending_enable_set(EINA_TRUE),
|
|
|
|
evas_canvas3d_mesh_blending_func_set(func1, func2));
|
2014-11-30 22:39:36 -08:00
|
|
|
|
2015-04-06 17:17:23 -07:00
|
|
|
eo_do(data->mesh_node,
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2015-06-17 07:31:14 -07:00
|
|
|
evas_canvas3d_node_scale_set(2.0, 2.0, 2.0));
|
2015-04-06 17:17:23 -07:00
|
|
|
|
2014-11-30 22:39:36 -08:00
|
|
|
eo_do(data->mesh_node1,
|
2015-06-17 07:31:14 -07:00
|
|
|
evas_canvas3d_node_scale_set(5.0, 5.0, 5.0));
|
2014-11-30 22:39:36 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_scene_setup(Scene_Data *data)
|
|
|
|
{
|
2015-06-17 07:31:14 -07:00
|
|
|
data->scene = eo_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
|
2014-11-30 22:39:36 -08:00
|
|
|
|
|
|
|
eo_do(data->scene,
|
2015-06-17 07:31:14 -07:00
|
|
|
evas_canvas3d_scene_size_set(WIDTH, HEIGHT);
|
|
|
|
evas_canvas3d_scene_background_color_set(0.5, 0.5, 0.5, 1));
|
2014-11-30 22:39:36 -08:00
|
|
|
|
|
|
|
data->root_node =
|
2015-06-17 07:31:14 -07:00
|
|
|
eo_add(EVAS_CANVAS3D_NODE_CLASS, evas,
|
|
|
|
evas_canvas3d_node_constructor(EVAS_CANVAS3D_NODE_TYPE_NODE));
|
2014-11-30 22:39:36 -08:00
|
|
|
|
|
|
|
_camera_setup(data);
|
|
|
|
_light_setup(data);
|
|
|
|
_mesh_setup(data);
|
|
|
|
|
|
|
|
eo_do(data->scene,
|
2015-06-17 07:31:14 -07:00
|
|
|
evas_canvas3d_scene_root_node_set(data->root_node),
|
|
|
|
evas_canvas3d_scene_camera_node_set(data->camera_node));
|
2014-11-30 22:39:36 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
main(void)
|
|
|
|
{
|
|
|
|
Scene_Data data;
|
|
|
|
Ecore_Animator *anim;
|
|
|
|
Ecore_Evas *ecore_evas = NULL;
|
|
|
|
|
|
|
|
if (!ecore_evas_init()) return 0;
|
|
|
|
|
|
|
|
setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
|
|
|
|
ecore_evas = ecore_evas_new(NULL, 0, 0, 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);
|
|
|
|
|
|
|
|
_scene_setup(&data);
|
|
|
|
|
|
|
|
/* Add a background rectangle objects. */
|
|
|
|
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 = evas_object_image_filled_add(evas);
|
|
|
|
evas_object_move(image, 0, 0);
|
|
|
|
evas_object_resize(image, WIDTH, HEIGHT);
|
|
|
|
evas_object_show(image);
|
|
|
|
evas_object_focus_set(image, EINA_TRUE);
|
|
|
|
|
|
|
|
/* Set the image object as render target for 3D scene. */
|
|
|
|
eo_do(image, evas_obj_image_scene_set(data.scene));
|
|
|
|
|
|
|
|
|
|
|
|
/* Add animation timer callback. */
|
|
|
|
ecore_animator_frametime_set(0.008);
|
|
|
|
anim = ecore_animator_add(_animate_scene, &data);
|
|
|
|
|
|
|
|
evas_object_event_callback_add(image, EVAS_CALLBACK_KEY_DOWN, _on_key_down, &data);
|
|
|
|
/* Enter main loop. */
|
|
|
|
ecore_main_loop_begin();
|
|
|
|
|
|
|
|
ecore_evas_free(ecore_evas);
|
|
|
|
ecore_evas_shutdown();
|
|
|
|
ecore_animator_del(anim);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|