pulsaranimationwidget.cpp 17.6 KB
Newer Older
Oliver Bock's avatar
Oliver Bock committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
/******************************************************************************
 *   Copyright (C) 2008 by Oliver Bock                                        *
 *   oliver.bock[AT]aei.mpg.de                                                *
 *                                                                            *
 *   This file is part of PulsatingScience.                                   *
 *                                                                            *
 *   PulsatingScience is free software: you can redistribute it and/or modify *
 *   it under the terms of the GNU General Public License as published        *
 *   by the Free Software Foundation, version 3 of the License.               *
 *                                                                            *
 *   PulsatingScience is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
 *   GNU General Public License for more details.                             *
 *                                                                            *
 *   You should have received a copy of the GNU General Public License        *
 *   along with PulsatingScience. If not, see <http://www.gnu.org/licenses/>. *
 *                                                                            *
 ******************************************************************************/

#include "pulsaranimationwidget.h"

Oliver Bock's avatar
Oliver Bock committed
23
const double PulsarAnimationWidget::deg2rad = PI/180.0;
24

Oliver Bock's avatar
Oliver Bock committed
25
PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
26
    QGLWidget(QGLFormat(QGL::AlphaChannel | QGL::SampleBuffers), parent),
Oliver Bock's avatar
Oliver Bock committed
27

28
    m_pulseProfile(360, 0.0)
Oliver Bock's avatar
Oliver Bock committed
29
{
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
    QString msgThis = tr("3D animation");
    if(!format().directRendering()) {
        QString msg = tr("Sorry, no direct rendering support for %1...");
        qWarning() << msg.arg(msgThis);
    }
    if(!format().doubleBuffer()) {
        QString msg = tr("Sorry, no double buffering support for %1...");
        qWarning() << msg.arg(msgThis);
    }
    if(!format().rgba()) {
        QString msg = tr("Sorry, no RGBA support for %1...");
        qWarning() << msg.arg(msgThis);
    }
    if(!format().alpha()) {
        QString msg = tr("Sorry, no alpha channel support for %1...");
        qWarning() << msg.arg(msgThis);
    }
    if(!format().sampleBuffers()) {
        QString msg = tr("Sorry, no multisampling support for %1...");
        qWarning() << msg.arg(msgThis);
    }

Oliver Bock's avatar
Oliver Bock committed
52
    // initialize quadric pointers
Oliver Bock's avatar
Oliver Bock committed
53
54
    m_quadricVirgoh = NULL;
    m_quadricVirgov = NULL;
Oliver Bock's avatar
Oliver Bock committed
55
    m_quadricEarth = NULL;
Oliver Bock's avatar
Oliver Bock committed
56
57
    m_quadricLLOh = NULL;
    m_quadricLLOv = NULL;
Oliver Bock's avatar
Oliver Bock committed
58
59
60
    m_quadricSourcePlane = NULL;
    m_quadricSourcePlaneNormal = NULL;
    m_quadricSourcePlaneNormalCap = NULL;
61
62
    m_quadricLHOv = NULL;
    m_quadricLHOh = NULL;
63
64

    // initialize texture pointers
65
    m_beamTexture = 0;
66

67
68
    // initial parameters (have to match GUI!)
    m_LHOAngle = 180;
Oliver Bock's avatar
Oliver Bock committed
69
    m_LLOAngle = -90;
Oliver Bock's avatar
Oliver Bock committed
70
    m_VirgoAngle = 165;
Oliver Bock's avatar
Oliver Bock committed
71
    m_sourceIota = 0.0;
72
    m_sourceInclination = 0;
73

Oliver Bock's avatar
Oliver Bock committed
74
    m_earthRadius = 3.0;
75

76
77
78
79
    // initial view features
    m_cameraInteraction = false;

    // initial view settings
80
81
    m_mouseAngleH = 0.0;
    m_mouseAngleV = 0.0;
82
    m_cameraZoom = 100.0;
83
84
85
86
87
88
89
    m_cameraZoomLBound = 10.0;
    m_cameraZoomUBound = 4500.0;
    m_mouseLastX = 0;
    m_mouseLastY = 0;

    // update camera based on settings above
    updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
Oliver Bock's avatar
Oliver Bock committed
90
91
92
93
}

PulsarAnimationWidget::~PulsarAnimationWidget()
{
Oliver Bock's avatar
Oliver Bock committed
94
95
    if(m_quadricVirgoh) gluDeleteQuadric(m_quadricVirgoh);
    if(m_quadricVirgov) gluDeleteQuadric(m_quadricVirgov);
Oliver Bock's avatar
Oliver Bock committed
96
    if(m_quadricEarth) gluDeleteQuadric(m_quadricEarth);
Oliver Bock's avatar
Oliver Bock committed
97
98
    if(m_quadricLLOh) gluDeleteQuadric(m_quadricLLOh);
    if(m_quadricLLOv) gluDeleteQuadric(m_quadricLLOv);
Oliver Bock's avatar
Oliver Bock committed
99
100
101
    if(m_quadricSourcePlane) gluDeleteQuadric(m_quadricSourcePlane);
    if(m_quadricSourcePlaneNormal) gluDeleteQuadric(m_quadricSourcePlaneNormal);
    if(m_quadricSourcePlaneNormalCap) gluDeleteQuadric(m_quadricSourcePlaneNormalCap);
102
103
    if(m_quadricLHOv) gluDeleteQuadric(m_quadricLHOv);
    if(m_quadricLHOh) gluDeleteQuadric(m_quadricLHOh);
104

105
    if(m_beamTexture) deleteTexture(m_beamTexture);
Oliver Bock's avatar
Oliver Bock committed
106
107
108
109
}

void PulsarAnimationWidget::initializeGL()
{
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
    glClearColor(0.0, 0.0, 0.0, 0.0);
    glClearDepth(1.0);
    glDepthFunc(GL_LEQUAL);
    glEnable(GL_DEPTH_TEST);

    glShadeModel(GL_SMOOTH);
    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);

    GLfloat LightAmbient[] = {0.3, 0.3, 0.3, 1.0};
    GLfloat LightDiffuse[] = {1.0, 1.0, 1.0, 1.0};
    GLfloat LightSpecular[] = {1.0, 1.0, 1.0, 1.0};
    GLfloat LightPosition[] = {0.0, 0.0, 3.0, 1.0};
    GLfloat spot_direction[] = {0.0, 0.0, -1.0};

    glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
    glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse);
    glLightfv(GL_LIGHT0, GL_SPECULAR, LightSpecular);
    glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
    glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 50.0);
    glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, spot_direction);
    glLightf(GL_LIGHT0, GL_SPOT_EXPONENT, 10.0);

    glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
    glEnable(GL_LIGHT0);

    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    glEnable(GL_BLEND);

Oliver Bock's avatar
Oliver Bock committed
138
139
    m_quadricVirgoh = gluNewQuadric();
    m_quadricVirgov = gluNewQuadric();
Oliver Bock's avatar
Oliver Bock committed
140
    m_quadricEarth = gluNewQuadric();
Oliver Bock's avatar
Oliver Bock committed
141
142
    m_quadricLLOh = gluNewQuadric();
    m_quadricLLOv = gluNewQuadric();
Oliver Bock's avatar
Oliver Bock committed
143
144
145
    m_quadricSourcePlane = gluNewQuadric();
    m_quadricSourcePlaneNormal = gluNewQuadric();
    m_quadricSourcePlaneNormalCap = gluNewQuadric();
146
147
    m_quadricLHOv = gluNewQuadric();
    m_quadricLHOh = gluNewQuadric();
148

Oliver Bock's avatar
Oliver Bock committed
149
150
    gluQuadricNormals(m_quadricVirgoh, GLU_SMOOTH);
    gluQuadricNormals(m_quadricVirgov, GLU_SMOOTH);
Oliver Bock's avatar
Oliver Bock committed
151
    gluQuadricNormals(m_quadricEarth, GLU_SMOOTH);
Oliver Bock's avatar
Oliver Bock committed
152
153
    gluQuadricNormals(m_quadricLLOh, GLU_SMOOTH);
    gluQuadricNormals(m_quadricLLOv, GLU_SMOOTH);
Oliver Bock's avatar
Oliver Bock committed
154
155
156
    gluQuadricNormals(m_quadricSourcePlane, GLU_SMOOTH);
    gluQuadricNormals(m_quadricSourcePlaneNormal, GLU_SMOOTH);
    gluQuadricNormals(m_quadricSourcePlaneNormalCap, GLU_SMOOTH);
157
158
    gluQuadricNormals(m_quadricLHOv, GLU_SMOOTH);
    gluQuadricNormals(m_quadricLHOh, GLU_SMOOTH);
159

Oliver Bock's avatar
Oliver Bock committed
160
161
162
163
    // query max texture size (estimate)
    GLint maxTextureSize;
    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);

164
    // prepare and check beam texture
165
    QImage beamTexture(":/textures/resources/World-Map-7.jpg");
166

Oliver Bock's avatar
Oliver Bock committed
167
    // bind textures
168
    m_beamTexture = bindTexture(beamTexture, GL_TEXTURE_2D, GL_RGBA);
169

170
    // use mipmapped textures
171
172
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
Oliver Bock's avatar
Oliver Bock committed
173
174
175
176
}

void PulsarAnimationWidget::resizeGL(int w, int h)
{
177
    glViewport(0, 0, w, h);
Oliver Bock's avatar
Oliver Bock committed
178

179
180
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
Oliver Bock's avatar
Oliver Bock committed
181

182
    gluPerspective(4.5, (GLfloat)w / (GLfloat)h, 0.1, 5000.0);
Oliver Bock's avatar
Oliver Bock committed
183

184
185
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
Oliver Bock's avatar
Oliver Bock committed
186
187
188
189
}

void PulsarAnimationWidget::paintGL()
{
190
191
    GLfloat x,y,angle;

192
193
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

194
195
    // TODO: should be located elsewhere
    static GLfloat no_mat[] = {0.0, 0.0, 0.0, 1.0};
196
    static GLfloat mat_diffuse[] = {0.0, 0.0, 0.5, 1.0};
197
198
199
200
201
202
203
204
205
206
    static GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0};
    static GLfloat low_shininess[] = {2.5};
    static GLfloat translucent[] = {1.0, 1.0, 1.0, 0.33};

    glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
    glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
    glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
    glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
    glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);

207
208
209
210
211
212
213
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();

    gluLookAt(m_cameraPosX, m_cameraPosY, m_cameraPosZ,
              0.0, 0.0, 0.0,
              0.0, 1.0, 0.0);

214
215
216
217
218
219
220
221
222
223
224
225
    // save current state (the following is using parallel projection)
    glMatrixMode(GL_PROJECTION);
    glPushMatrix();
    {
        glLoadIdentity();
        glOrtho(0, width(), 0, height(), 0.1, 501.0);
        glMatrixMode(GL_MODELVIEW);
        glPushMatrix();
        {
            glLoadIdentity();

            // draw backdrop (independent parallel projection)
226
            glColor3f(1.0, 1.0, 1.0f);
227
228
229
230
231
232
233
234
235
236
            glTranslatef(0.0, 0.0, -501.0);

            // restore original state
            glMatrixMode(GL_PROJECTION);
        }
        glPopMatrix();
        glMatrixMode(GL_MODELVIEW);
    }
    glPopMatrix();

Oliver Bock's avatar
Oliver Bock committed
237
    // draw earth
238
    glPushMatrix();
239
    {
240
        glRotatef(90, 0.0, 1.0, 0.0);
241
        glPushMatrix();
242
243
        {
            glRotatef(90, 1.0, 0.0, 0.0);
244
245
246
            glRotatef(180, 1.0, 1.0, 0.0);

            // create texture coordinates and enable texturing
Oliver Bock's avatar
Oliver Bock committed
247
            gluQuadricTexture(m_quadricEarth, GL_TRUE);
248
249
            glBindTexture(GL_TEXTURE_2D, m_beamTexture);
            glEnable(GL_TEXTURE_2D);
250

Oliver Bock's avatar
Oliver Bock committed
251
            gluSphere(m_quadricEarth, m_earthRadius, 32, 32);
252
253
        }
        glPopMatrix();
254
255
    }
    glPopMatrix();
256

257
258
259
260
261
262
    // draw LHO
    glPushMatrix();
    {
        glColor3f(1.0f, 1.0f, 1.0f);

        glRotatef(-81, 1.0, 1.0, 0.0);
Oliver Bock's avatar
Oliver Bock committed
263
        glTranslatef(0.0, 0.0, m_earthRadius);
264
        glRotatef(m_LHOAngle, 0.0, 0.0, 1.0);
265
266
267
        glPushMatrix();
        {
            glRotatef(90, 0.0, 1.0, 0.0);
268
            gluCylinder(m_quadricLHOh, 0.020, 0.020, 0.40, 32, 1);
269
270
271
272
273
274
275
        }
        glPopMatrix();

        glPushMatrix();
        {
            glRotatef(90, 0.0, 1.0, 0.0);
            glRotatef(90, 1.0, 0.0, 0.0);
276
277
            glColor3f(0.0f, 0.0f, 1.0f);
            gluCylinder(m_quadricLHOv, 0.020, 0.020, 0.40, 32, 1);
278
279
280
281
282
        }
        glPopMatrix();
    }
    glPopMatrix();

Oliver Bock's avatar
Oliver Bock committed
283
284
285
286
287
288
289
290
    // draw LLO
    glPushMatrix();
    {
        glColor3f(1.0f, 1.0f, 1.0f);

        glRotatef(-2, 0.0, 1.0, 0.0);
        glRotatef(5, 1.0, 0.0, 0.0);
        glRotatef(-60, 1.0, 1.0, 0.0);
Oliver Bock's avatar
Oliver Bock committed
291
        glTranslatef(0.0, 0.0, m_earthRadius);
Oliver Bock's avatar
Oliver Bock committed
292
293
294
295
        glRotatef(m_LLOAngle, 0.0, 0.0, 1.0);
        glPushMatrix();
        {
            glRotatef(90, 0.0, 1.0, 0.0);
296
            gluCylinder(m_quadricLLOh, 0.020, 0.020, 0.40, 32, 1);
Oliver Bock's avatar
Oliver Bock committed
297
298
299
300
301
302
303
        }
        glPopMatrix();

        glPushMatrix();
        {
            glRotatef(90, 0.0, 1.0, 0.0);
            glRotatef(90, 1.0, 0.0, 0.0);
304
305
            glColor3f(1.0f, 0.0f, 0.0f);
            gluCylinder(m_quadricLLOv, 0.020, 0.020, 0.40, 32, 1);
Oliver Bock's avatar
Oliver Bock committed
306
307
308
309
310
        }
        glPopMatrix();
    }
    glPopMatrix();

Oliver Bock's avatar
Oliver Bock committed
311
312
313
314
315
316
317
    // draw Virgo
    glPushMatrix();
    {
        glColor3f(1.0f, 1.0f, 1.0f);

        glRotatef(50, 0.0, 1.0, 0.0);
        glRotatef(-43, 1.0, 0.0, 0.0);
Oliver Bock's avatar
Oliver Bock committed
318
        glTranslatef(0.0, 0.0, m_earthRadius);
Oliver Bock's avatar
Oliver Bock committed
319
320
321
322
        glRotatef(m_VirgoAngle, 0.0, 0.0, 1.0);
        glPushMatrix();
        {
            glRotatef(90, 0.0, 1.0, 0.0);
323
            gluCylinder(m_quadricVirgoh, 0.020, 0.020, 0.40, 32, 1);
Oliver Bock's avatar
Oliver Bock committed
324
325
326
327
328
329
330
        }
        glPopMatrix();

        glPushMatrix();
        {
            glRotatef(90, 0.0, 1.0, 0.0);
            glRotatef(90, 1.0, 0.0, 0.0);
331
332
            glColor3f(0.0f, 1.0f, 0.0f);
            gluCylinder(m_quadricVirgov, 0.020, 0.020, 0.40, 32, 1);
Oliver Bock's avatar
Oliver Bock committed
333
334
335
336
337
        }
        glPopMatrix();
    }
    glPopMatrix();

338
    // draw source
339
    glPushMatrix();
340
    {
341
342
343
344
345
346
        glRotatef(-23.384, 0.0, 0.0, 1.0);
        glRotatef(41.093, 0.0, 1.0, 0.0);

        glTranslatef(0.0,
                     0.0,
                     5.0);
347

348
        glRotatef(m_sourceInclination, 0.0, 1.0, 0.0);
349
        glRotatef(180, 0.0, 1.0, 0.0);
350
351

        glPushMatrix();
352
        {
Oliver Bock's avatar
Oliver Bock committed
353
            glRotatef(m_sourceIota, 1.0, 0.0, 0.0);
354

Oliver Bock's avatar
Oliver Bock committed
355
356
357
358
            // draw source plane normal
            glColor3f(1.0f, 0.0f, 0.0f);
            glPushMatrix();
            {
359
                glTranslatef(0.0, 0.0, -1.0);
Oliver Bock's avatar
Oliver Bock committed
360
                gluCylinder(m_quadricSourcePlaneNormal, 0.020, 0.020, 1.5, 32, 1);
Oliver Bock's avatar
Oliver Bock committed
361
362
363
364
            }
            glPopMatrix();
            glPushMatrix();
            {
365
                glTranslatef(0.0, 0.0, -1.0);
Oliver Bock's avatar
Oliver Bock committed
366
                gluDisk(m_quadricSourcePlaneNormalCap, 0, 0.020, 32, 8);
Oliver Bock's avatar
Oliver Bock committed
367
368
369
370
            }
            glPopMatrix();
            glPushMatrix();
            {
371
                glTranslatef(0.0, 0.0, 0.5f);
Oliver Bock's avatar
Oliver Bock committed
372
                glBegin(GL_TRIANGLE_FAN);
Oliver Bock's avatar
Oliver Bock committed
373
                {
Oliver Bock's avatar
Oliver Bock committed
374
375
                    // Pinnacle of cone is shared vertex for fan, moved up z-axis
                    // to produce a cone instead of a circle
376
                    glVertex3f(0.0f, 0.0f, 0.5f);
Oliver Bock's avatar
Oliver Bock committed
377
378
379
380

                    // Loop around in a circle and specify even points along the circle
                    // as the vertices of the triangle fan (32 sections)
                    for(angle = 0.0f; angle < (2.0f*PI); angle += (PI/32.0f))
Oliver Bock's avatar
Oliver Bock committed
381
                    {
Oliver Bock's avatar
Oliver Bock committed
382
                        // Calculate x and y position of the next vertex
383
384
                        x = 0.1f * sin(angle);
                        y = 0.1f * cos(angle);
Oliver Bock's avatar
Oliver Bock committed
385
386
387

                        // Specify the next vertex for the triangle fan
                        glVertex2f(x, y);
Oliver Bock's avatar
Oliver Bock committed
388
389
                    }
                }
Oliver Bock's avatar
Oliver Bock committed
390
                glEnd();
391
            }
Oliver Bock's avatar
Oliver Bock committed
392
            glPopMatrix();
393

394
395
            // draw disc
            glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, translucent);
396
397
            glEnable(GL_LIGHTING);

398
            glPushMatrix();
399
            {
Oliver Bock's avatar
Oliver Bock committed
400
                gluDisk(m_quadricSourcePlane,
401
                        0,
402
                        1.0,
403
                        64, 1);
404
405
406
            }
            glPopMatrix();

407
            glDisable(GL_LIGHTING);
408
        }
409
410
        glPopMatrix();
    }
411
    glPopMatrix();
Oliver Bock's avatar
Oliver Bock committed
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430

    // save current state (the following is using parallel projection)
    glMatrixMode(GL_PROJECTION);
    glPushMatrix();
    {
        glLoadIdentity();
        glOrtho(0, width(), 0, height(), 0.1, 501.0);
        glMatrixMode(GL_MODELVIEW);
        glPushMatrix();
        {
            glLoadIdentity();

            // draw copyright info last (appears in front of everything)
            glColor4f(1.0f, 1.0f, 1.0f, 0.5f);
            QFont font;
            font.setPointSize(11);
            font.setBold(true);
            font.setFamily("Arial");
            font.setStyleStrategy((QFont::StyleStrategy) (QFont::OpenGLCompatible | QFont::PreferQuality));
Oliver Bock's avatar
Oliver Bock committed
431
            renderText(10, 25, -100, QString("Copyright %1 2017").arg(QChar(0x00A9)), font);
432
            renderText(10, 10, -100, tr("Max Planck Institute for Gravitational Physics"), font);
Oliver Bock's avatar
Oliver Bock committed
433
434
435
436
437
438
439
440

            // restore original state
            glMatrixMode(GL_PROJECTION);
        }
        glPopMatrix();
        glMatrixMode(GL_MODELVIEW);
    }
    glPopMatrix();
Oliver Bock's avatar
Oliver Bock committed
441
442
}

443
444
void PulsarAnimationWidget::mousePressEvent(QMouseEvent *event)
{
445
    Q_UNUSED(event);
446

447
448
    m_cameraInteraction = true;
    updateGL();
449
450
}

451
452
void PulsarAnimationWidget::mouseMoveEvent(QMouseEvent *event)
{
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
    Qt::MouseButtons buttons = event->buttons();
    if((buttons & Qt::LeftButton) == Qt::LeftButton) {
        if(m_mouseLastX != 0) {
            m_mouseAngleH += (m_mouseLastX - event->x());
            m_mouseAngleH = m_mouseAngleH < 360 ? m_mouseAngleH : 0;
            m_mouseAngleH = m_mouseAngleH >=  0 ? m_mouseAngleH : 359;
        }
        if(m_mouseLastY != 0) {
            m_mouseAngleV -= (m_mouseLastY - event->y());
            m_mouseAngleV = m_mouseAngleV <  90 ? m_mouseAngleV : 90;
            m_mouseAngleV = m_mouseAngleV > -90 ? m_mouseAngleV : -90;
        }

        m_mouseLastX = event->x();
        m_mouseLastY = event->y();
    }
    else if((buttons & Qt::RightButton) == Qt::RightButton) {
        if(m_mouseLastY != 0) {
            m_cameraZoom -= (m_mouseLastY - event->y());
            m_cameraZoom = m_cameraZoom >= m_cameraZoomLBound ? m_cameraZoom : m_cameraZoomLBound;
            m_cameraZoom = m_cameraZoom >= m_cameraZoomUBound ? m_cameraZoomUBound : m_cameraZoom;
        }

        m_mouseLastY = event->y();
    }

    updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
480
481
482
483
}

void PulsarAnimationWidget::mouseReleaseEvent(QMouseEvent *event)
{
484
    Q_UNUSED(event);
485

486
487
488
    m_mouseLastX = 0;
    m_mouseLastY = 0;
    m_cameraInteraction = false;
489

490
    updateGL();
491
492
}

Oliver Bock's avatar
Oliver Bock committed
493
494
void PulsarAnimationWidget::showEvent(QShowEvent *event)
{
495
    Q_UNUSED(event);
Oliver Bock's avatar
Oliver Bock committed
496

497
498
    // update and propagate pulse profile
    updatePulseProfile();
Oliver Bock's avatar
Oliver Bock committed
499
500
}

Oliver Bock's avatar
Oliver Bock committed
501
void PulsarAnimationWidget::updateCameraPosition(const double angleH, const double angleV, const double zoom)
502
{
503
504
505
    m_cameraPosX = sin(angleH * deg2rad) * cos(angleV * deg2rad) * zoom;
    m_cameraPosY = sin(angleV * deg2rad) * zoom;
    m_cameraPosZ = cos(angleH * deg2rad) * cos(angleV * deg2rad) * zoom;
506

507
    updatePulseProfile();
508

509
    updateGL();
510
511
}

512
void PulsarAnimationWidget::setSourceInclination(const double degrees)
Oliver Bock's avatar
Oliver Bock committed
513
{
514
    m_sourceInclination = degrees;
515
    updatePulseProfile();
Oliver Bock's avatar
Oliver Bock committed
516

517
    updateGL();
Oliver Bock's avatar
Oliver Bock committed
518
}
519

Oliver Bock's avatar
Oliver Bock committed
520
void PulsarAnimationWidget::setLHOAngle(const double degrees)
521
{
522
    m_LHOAngle = degrees + 180;
523
    updatePulseProfile();
Oliver Bock's avatar
Oliver Bock committed
524

525
    updateGL();
526
527
}

528
void PulsarAnimationWidget::setLLOAngle(const double degrees)
529
{
Oliver Bock's avatar
Oliver Bock committed
530
    m_LLOAngle = degrees - 90;
531
    updatePulseProfile();
Oliver Bock's avatar
Oliver Bock committed
532
533

    updateGL();
Oliver Bock's avatar
Oliver Bock committed
534
535
}

536
void PulsarAnimationWidget::setVirgoAngle(const int degrees)
Oliver Bock's avatar
Oliver Bock committed
537
{
Oliver Bock's avatar
Oliver Bock committed
538
    m_VirgoAngle = degrees + 165;
539
    updatePulseProfile();
540

541
    updateGL();
542
543
}

Oliver Bock's avatar
Oliver Bock committed
544
void PulsarAnimationWidget::setSourceIota(const int degrees)
545
{
Oliver Bock's avatar
Oliver Bock committed
546
    m_sourceIota = degrees;
547
    updatePulseProfile();
548

549
    updateGL();
550
}
551

552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
void PulsarAnimationWidget::getCameraPosition(double& cameraAngleH, double& cameraAngleV, double& cameraZoom)
{
    cameraAngleH = m_mouseAngleH;
    cameraAngleV = m_mouseAngleV;
    cameraZoom = m_cameraZoom;
}

void PulsarAnimationWidget::resetCameraPosition(const double angleH, const double angleV, const double zoom)
{
    m_mouseAngleH = angleH;
    m_mouseAngleV = angleV;
    m_cameraZoom = zoom;

    updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
}

568
569
void PulsarAnimationWidget::updatePulseProfile()
{
570
    for(int x = 0; x < 360; ++x) {
Oliver Bock's avatar
Oliver Bock committed
571
        m_pulseProfile[x] = 0;
572
573
574
575
    }

    // propagate new profile
    emit pulseProfileUpdated(m_pulseProfile);
576
}