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
|
/* OpenSceneGraph example, osgshape.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/Material>
#include <osg/Texture2D>
#include <osgUtil/ShaderGen>
#include <osgViewer/Viewer>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osg/Math>
// for the grid data..
#include "../osghangglide/terrain_coords.h"
osg::Geode* createShapes()
{
osg::Geode* geode = new osg::Geode();
// ---------------------------------------
// Set up a StateSet to texture the objects
// ---------------------------------------
osg::StateSet* stateset = new osg::StateSet();
osg::Image* image = osgDB::readImageFile( "Images/lz.rgb" );
if (image)
{
osg::Texture2D* texture = new osg::Texture2D;
texture->setImage(image);
texture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
stateset->setTextureAttributeAndModes(0,texture, osg::StateAttribute::ON);
}
stateset->setMode(GL_LIGHTING, osg::StateAttribute::ON);
geode->setStateSet( stateset );
float radius = 0.8f;
float height = 1.0f;
osg::TessellationHints* hints = new osg::TessellationHints;
hints->setDetailRatio(0.5f);
geode->addDrawable(new osg::ShapeDrawable(new osg::Sphere(osg::Vec3(0.0f,0.0f,0.0f),radius),hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Box(osg::Vec3(2.0f,0.0f,0.0f),2*radius),hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Cone(osg::Vec3(4.0f,0.0f,0.0f),radius,height),hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Cylinder(osg::Vec3(6.0f,0.0f,0.0f),radius,height),hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Capsule(osg::Vec3(8.0f,0.0f,0.0f),radius,height),hints));
osg::HeightField* grid = new osg::HeightField;
grid->allocate(38,39);
grid->setXInterval(0.28f);
grid->setYInterval(0.28f);
for(unsigned int r=0;r<39;++r)
{
for(unsigned int c=0;c<38;++c)
{
grid->setHeight(c,r,vertex[r+c*39][2]);
}
}
geode->addDrawable(new osg::ShapeDrawable(grid));
osg::ConvexHull* mesh = new osg::ConvexHull;
osg::Vec3Array* vertices = new osg::Vec3Array(4);
(*vertices)[0].set(9.0+0.0f,-1.0f+2.0f,-1.0f+0.0f);
(*vertices)[1].set(9.0+1.0f,-1.0f+0.0f,-1.0f+0.0f);
(*vertices)[2].set(9.0+2.0f,-1.0f+2.0f,-1.0f+0.0f);
(*vertices)[3].set(9.0+1.0f,-1.0f+1.0f,-1.0f+2.0f);
osg::UByteArray* indices = new osg::UByteArray(12);
(*indices)[0]=0;
(*indices)[1]=2;
(*indices)[2]=1;
(*indices)[3]=0;
(*indices)[4]=1;
(*indices)[5]=3;
(*indices)[6]=1;
(*indices)[7]=2;
(*indices)[8]=3;
(*indices)[9]=2;
(*indices)[10]=0;
(*indices)[11]=3;
mesh->setVertices(vertices);
mesh->setIndices(indices);
geode->addDrawable(new osg::ShapeDrawable(mesh));
return geode;
}
int main(int, char **)
{
// construct the viewer.
osgViewer::Viewer viewer;
// add model to viewer.
viewer.setSceneData( createShapes() );
return viewer.run();
}
|
