1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
|
/**
* Example of mmap import in Evas-3D.
*
* Open files to Eina_Files.
* Read meshes from Eina_Files.
* Show the results.
*
* @verbatim
* gcc -o evas-3d-mmap-set evas-3d-mmap-set.c `pkg-config --libs --cflags efl evas ecore ecore-evas eina eo` -lm
* @endverbatim
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define PACKAGE_EXAMPLES_DIR "."
#define EFL_BETA_API_SUPPORT
#define EFL_EO_API_SUPPORT
#endif
#include <Eo.h>
#include <Evas.h>
#include <Ecore.h>
#include <Ecore_Evas.h>
#include "evas-common.h"
#include <math.h>
#define WIDTH 1000
#define HEIGHT 1000
#define LOAD_AND_ADD_MESH(extention, number) \
snprintf(buffer, PATH_MAX, "%s%s", template_path, #extention); \
extention##_file = eina_file_open(buffer , 0); \
mesh_##extention = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas); \
efl_file_mmap_set(mesh_##extention, extention##_file, NULL); \
evas_canvas3d_mesh_frame_material_set(mesh_##extention, 0, material); \
evas_canvas3d_mesh_shader_mode_set(mesh_##extention, EVAS_CANVAS3D_SHADER_MODE_PHONG); \
node_##extention = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH)); \
evas_canvas3d_node_member_add(root_node, node_##extention); \
evas_canvas3d_node_mesh_add(node_##extention, mesh_##extention); \
evas_canvas3d_node_position_set(node_##extention, initial_node_data[number * 10], \
initial_node_data[number * 10 + 1], \
initial_node_data[number * 10 + 2]); \
evas_canvas3d_node_scale_set(node_##extention, initial_node_data[number * 10 + 3], \
initial_node_data[number * 10 + 4], \
initial_node_data[number * 10 + 5]); \
evas_canvas3d_node_orientation_angle_axis_set(node_##extention, initial_node_data[number * 10 + 6], \
initial_node_data[number * 10 + 7], \
initial_node_data[number * 10 + 8], \
initial_node_data[number * 10 + 9]);\
ecore_timer_add(0.01, _animate_##extention, node_##extention);
static const char *template_path = PACKAGE_EXAMPLES_DIR EVAS_MODEL_FOLDER "/mesh_for_mmap.";
Ecore_Evas *ecore_evas = NULL;
Evas *evas = NULL;
Eo *background = NULL;
Eo *image = NULL;
Eo *scene = NULL;
Eo *root_node = NULL;
Eo *camera_node = NULL;
Eo *light_node = NULL;
Eo *camera = NULL;
Eo *material = NULL;
Eo *light = NULL;
Eo *node_obj = NULL, *node_ply = NULL, *node_eet = NULL, *node_md2 = NULL;
Eo *mesh_obj = NULL, *mesh_ply = NULL, *mesh_eet = NULL, *mesh_md2 = NULL;
static float obj_animation_parameter = 1.0;
static float ply_animation_parameter = 180.0;
static float eet_animation_parameter = 0.0;
static float md2_animation_parameter = 0.0;
static float obj_animation_velocity = 1.0;
static float ply_animation_velocity = 1.0;
static float eet_animation_velocity = 1.0;
static float md2_animation_velocity = 1.0;
static const float initial_node_data[] =
/*position scale rotation*/
{
/*obj*/
3.0, 3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
/*ply*/
-3.0, 3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
/*eet*/
3.0, -3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
/*md2*/
-3.0, -3.0, 0.0, 0.001, 0.001, 0.001, 180.0, 0.0, 1.0, 0.0
};
static Eina_Bool
_animate_obj(void *data)
{
obj_animation_parameter += obj_animation_velocity;
float oap = obj_animation_parameter/200;
evas_canvas3d_node_scale_set((Evas_Canvas3D_Node *)data, oap, oap, oap);
evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, obj_animation_parameter, 0.0, 1.0, 0.0);
if (obj_animation_parameter >= 360.0 || obj_animation_parameter <= 0.0)
obj_animation_velocity *= -1.0;
return EINA_TRUE;
}
static Eina_Bool
_animate_eet(void *data)
{
eet_animation_parameter += eet_animation_velocity;
evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, eet_animation_parameter, 1.0, 0.0, 0.0);
eet_animation_velocity = sin(eet_animation_parameter / 180 * M_PI) + 1.1;
return EINA_TRUE;
}
static Eina_Bool
_animate_ply(void *data)
{
ply_animation_parameter += ply_animation_velocity;
evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, ply_animation_parameter, 1.0, 0.0, 0.0);
if (ply_animation_parameter > 360.0) ply_animation_parameter -= 180.0f;
return EINA_TRUE;
}
static Eina_Bool
_animate_md2(void *data)
{
md2_animation_parameter += md2_animation_velocity;
evas_canvas3d_node_mesh_frame_set((Evas_Canvas3D_Node *)data, mesh_md2, md2_animation_parameter);
if (md2_animation_parameter >= 360.0 || md2_animation_parameter <= 0.0)
md2_animation_velocity *= -1.0;
return EINA_TRUE;
}
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);
efl_gfx_size_set(background, EINA_SIZE2D(w, h));
efl_gfx_size_set(image, EINA_SIZE2D(w, h));
}
int
main(void)
{
char buffer[PATH_MAX];
Eina_File *obj_file, *ply_file, *eet_file, *md2_file;
// Unless Evas 3D supports Software renderer, we force use of the gl backend.
setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
if (!ecore_evas_init()) return 0;
ecore_evas = ecore_evas_new(NULL, 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);
/* Add a scene object .*/
scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
/* Add the root node for the scene. */
root_node = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE));
/* Add the camera. */
camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
evas_canvas3d_camera_projection_perspective_set(camera, 10.0, 1.0, 1.0, 500.0);
camera_node =
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
evas_canvas3d_node_camera_set(camera_node, camera);
evas_canvas3d_node_member_add(root_node, camera_node);
evas_canvas3d_node_position_set(camera_node, 0.0, 0.0, 100.0);
evas_canvas3d_node_look_at_set(camera_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
/* Add the light. */
light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
evas_canvas3d_light_ambient_set(light, 1.0, 1.0, 1.0, 1.0);
evas_canvas3d_light_diffuse_set(light, 1.0, 1.0, 1.0, 1.0);
evas_canvas3d_light_specular_set(light, 1.0, 1.0, 1.0, 1.0);
evas_canvas3d_light_directional_set(light, EINA_TRUE);
light_node =
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
evas_canvas3d_node_light_set(light_node, light);
evas_canvas3d_node_position_set(light_node, 1.0, 0.0, 100.0);
evas_canvas3d_node_look_at_set(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(root_node, light_node);
material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.01, 0.01, 0.01, 1.0);
evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 1.0, 0.0, 1.0);
evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 0.5, 0.0, 1.0, 1.0);
evas_canvas3d_material_shininess_set(material, 50.0);
/* Add the meshes */
LOAD_AND_ADD_MESH(obj, 0);
LOAD_AND_ADD_MESH(eet, 1);
LOAD_AND_ADD_MESH(ply, 2);
LOAD_AND_ADD_MESH(md2, 3);
/* Set up scene. */
evas_canvas3d_scene_root_node_set(scene, root_node);
evas_canvas3d_scene_camera_node_set(scene, camera_node);
evas_canvas3d_scene_size_set(scene, WIDTH, HEIGHT);
/* Add a background rectangle object. */
background = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas);
efl_gfx_color_set(background, 20, 20, 200, 255);
efl_gfx_size_set(background, EINA_SIZE2D(WIDTH, HEIGHT));
efl_gfx_visible_set(background, EINA_TRUE);
/* Add an image object for 3D scene rendering. */
image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas);
efl_gfx_size_set(image, EINA_SIZE2D(WIDTH, HEIGHT));
efl_gfx_visible_set(image, EINA_TRUE);
/* Set the image object as render target for 3D scene. */
efl_canvas_scene3d_set(image, scene);
/* Enter main loop. */
ecore_main_loop_begin();
ecore_evas_free(ecore_evas);
ecore_evas_shutdown();
eina_file_close(obj_file);
eina_file_close(ply_file);
eina_file_close(eet_file);
eina_file_close(md2_file);
return 0;
}
|
