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
|
#include "GLView.h"
#include "printutils.h"
#include <iostream>
GLView::GLView()
{
viewer_distance = 500;
object_trans << 0, 0, 0;
camera_eye << 0, 0, 0;
camera_center << 0, 0, 0;
showedges = false;
showfaces = true;
orthomode = false;
showaxes = false;
showcrosshairs = false;
renderer = NULL;
#ifdef ENABLE_OPENCSG
is_opencsg_capable = false;
has_shaders = false;
opencsg_support = true;
static int sId = 0;
this->opencsg_id = sId++;
for (int i = 0; i < 10; i++) this->shaderinfo[i] = 0;
#endif
}
void GLView::setRenderer(Renderer* r)
{
renderer = r;
}
void GLView::resizeGL(int w, int h)
{
#ifdef ENABLE_OPENCSG
shaderinfo[9] = w;
shaderinfo[10] = h;
#endif
this->width = w;
this->height = h;
glViewport(0, 0, w, h);
w_h_ratio = sqrt((double)w / (double)h);
}
void GLView::setGimbalCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d &rot, double distance)
{
PRINT("set gimbal camera not implemented");
}
void GLView::setupGimbalPerspective()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-w_h_ratio, +w_h_ratio, -(1/w_h_ratio), +(1/w_h_ratio), +10.0, +FAR_FAR_AWAY);
gluLookAt(0.0, -viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
}
void GLView::setupGimbalOrtho(double distance, bool offset)
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if(offset)
glTranslated(-0.8, -0.8, 0);
double l = distance/10;
glOrtho(-w_h_ratio*l, +w_h_ratio*l,
-(1/w_h_ratio)*l, +(1/w_h_ratio)*l,
-FAR_FAR_AWAY, +FAR_FAR_AWAY);
gluLookAt(0.0, -viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
}
void GLView::setCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d ¢er)
{
this->camera_eye = pos;
this->camera_center = center;
}
void GLView::setupPerspective()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
double dist = (this->camera_center - this->camera_eye).norm();
gluPerspective(45, w_h_ratio, 0.1*dist, 100*dist);
}
void GLView::setupOrtho(bool offset)
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (offset) glTranslated(-0.8, -0.8, 0);
double l = (this->camera_center - this->camera_eye).norm() / 10;
glOrtho(-w_h_ratio*l, +w_h_ratio*l,
-(1/w_h_ratio)*l, +(1/w_h_ratio)*l,
-FAR_FAR_AWAY, +FAR_FAR_AWAY);
}
/*
void initializeGL(); //
void paintGL(); //
bool save(const char *filename); //
//bool save(std::ostream &output); // not implemented in qgl?
GLint shaderinfo[11]; //
*/
|
