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pulsatingscience
Commit 84bb731f authored by Oliver Bock's avatar Oliver Bock
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Fixed indentation (using blocks for gl[Push|Pop]Matrix and gl[Begin|End] to aid formatter)

parent 32563bde
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Showing with 441 additions and 415 deletions
src/pulsaranimationwidget.cpp
View file @ 84bb731f
......@@ -24,54 +24,54 @@
const double PulsarAnimationWidget::deg2rad = PI/180.0;
PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
QGLWidget(QGLFormat(QGL::AlphaChannel | QGL::SampleBuffers), parent),
m_frameTimer(),
m_pulseProfile(360, 0.0)
QGLWidget(QGLFormat(QGL::AlphaChannel | QGL::SampleBuffers), parent),
m_frameTimer(),
m_pulseProfile(360, 0.0)
{
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);
}
// connect primary rendering timer to local callback
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);
}
// connect primary rendering timer to local callback
connect(&m_frameTimer, SIGNAL(timeout()), this, SLOT(updateFrame()));
// initialize quadric pointers
m_quadricPulsar = NULL;
m_quadricPulsarSpinAxis = NULL;
m_quadricPulsarSpinAxis = NULL;
m_quadricPulsarSpinAxisTop1 = NULL;
m_quadricPulsarSpinAxisTop2 = NULL;
m_quadricPulsarMagneticAxis = NULL;
m_quadricPulsarMagneticAxis = NULL;
m_quadricPulsarConeRim1 = NULL;
m_quadricPulsarConeRim2 = NULL;
// initialize texture pointers
m_pulsarTexture = 0;
m_backgroundTexture = 0;
// initialize texture pointers
m_pulsarTexture = 0;
m_backgroundTexture = 0;
// initial render timing settings
m_framesPerSecond = 25;
m_pulsarRotationDelta = 0.0;
m_pulsarRotationAngle = 0.0;
// initial render timing settings
m_framesPerSecond = 25;
m_pulsarRotationDelta = 0.0;
m_pulsarRotationAngle = 0.0;
m_pulsarSpinAxisInclination = 0.0;
m_pulsarSpinAxisInclination = 0.0;
m_pulsarMagneticAxisInclination = 5.0;
m_pulsarBeamLength = 3.0f;
m_pulsarBeamRimSize = 0.1f;
......@@ -79,76 +79,76 @@ PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
// initial spin frequency of 0.5 Hz
m_pulsarRotationDelta = (360.0 * 0.5) / m_framesPerSecond;
m_pulsarRotationDelta = (360.0 * 0.5) / m_framesPerSecond;
// initial view features
m_showRotationAxes = false;
m_cameraInteraction = false;
// initial view features
m_showRotationAxes = false;
m_cameraInteraction = false;
// initial view settings
// initial view settings
m_mouseAngleH = 0.0;
m_mouseAngleV = 0.0;
m_cameraZoom = 30.0;
m_cameraZoomLBound = 10.0;
m_cameraZoomUBound = 4500.0;
m_mouseLastX = 0;
m_mouseLastY = 0;
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);
// update camera based on settings above
updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
}
PulsarAnimationWidget::~PulsarAnimationWidget()
{
if(m_quadricPulsar) gluDeleteQuadric(m_quadricPulsar);
if(m_quadricPulsarConeRim1) gluDeleteQuadric(m_quadricPulsarConeRim1);
if(m_quadricPulsarConeRim2) gluDeleteQuadric(m_quadricPulsarConeRim2);
if(m_quadricPulsarSpinAxis) gluDeleteQuadric(m_quadricPulsarSpinAxis);
if(m_quadricPulsarSpinAxisTop1) gluDeleteQuadric(m_quadricPulsarSpinAxisTop1);
if(m_quadricPulsarSpinAxisTop2) gluDeleteQuadric(m_quadricPulsarSpinAxisTop2);
if(m_quadricPulsarMagneticAxis) gluDeleteQuadric(m_quadricPulsarMagneticAxis);
if(m_pulsarTexture) deleteTexture(m_pulsarTexture);
if(m_backgroundTexture) deleteTexture(m_backgroundTexture);
if(m_quadricPulsar) gluDeleteQuadric(m_quadricPulsar);
if(m_quadricPulsarConeRim1) gluDeleteQuadric(m_quadricPulsarConeRim1);
if(m_quadricPulsarConeRim2) gluDeleteQuadric(m_quadricPulsarConeRim2);
if(m_quadricPulsarSpinAxis) gluDeleteQuadric(m_quadricPulsarSpinAxis);
if(m_quadricPulsarSpinAxisTop1) gluDeleteQuadric(m_quadricPulsarSpinAxisTop1);
if(m_quadricPulsarSpinAxisTop2) gluDeleteQuadric(m_quadricPulsarSpinAxisTop2);
if(m_quadricPulsarMagneticAxis) gluDeleteQuadric(m_quadricPulsarMagneticAxis);
if(m_pulsarTexture) deleteTexture(m_pulsarTexture);
if(m_backgroundTexture) deleteTexture(m_backgroundTexture);
}
void PulsarAnimationWidget::initializeGL()
{
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, 0.0, 1.0};
GLfloat spot_direction[] = {0.0, 0.0, 0.0};
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);
// glEnable(GL_LIGHTING);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
m_quadricPulsar = gluNewQuadric();
m_quadricPulsarConeRim1 = gluNewQuadric();
m_quadricPulsarConeRim2 = gluNewQuadric();
m_quadricPulsarSpinAxis = gluNewQuadric();
m_quadricPulsarSpinAxisTop1 = gluNewQuadric();
m_quadricPulsarSpinAxisTop2 = gluNewQuadric();
m_quadricPulsarMagneticAxis = gluNewQuadric();
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, 0.0, 1.0};
GLfloat spot_direction[] = {0.0, 0.0, 0.0};
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);
// glEnable(GL_LIGHTING);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
m_quadricPulsar = gluNewQuadric();
m_quadricPulsarConeRim1 = gluNewQuadric();
m_quadricPulsarConeRim2 = gluNewQuadric();
m_quadricPulsarSpinAxis = gluNewQuadric();
m_quadricPulsarSpinAxisTop1 = gluNewQuadric();
m_quadricPulsarSpinAxisTop2 = gluNewQuadric();
m_quadricPulsarMagneticAxis = gluNewQuadric();
gluQuadricNormals(m_quadricPulsar, GLU_SMOOTH);
gluQuadricNormals(m_quadricPulsarConeRim1, GLU_SMOOTH);
......@@ -171,37 +171,37 @@ void PulsarAnimationWidget::initializeGL()
// prepare and check pulsar texture
QImage pulsarTexture(":/textures/resources/texture_pulsar.png");
if(pulsarTexture.width() != pulsarTexture.height()) {
qWarning() << msgShape.arg(tr("Pulsar"));
qWarning() << msgShape.arg(tr("Pulsar"));
}
else {
double integer = 0.0;
double fraction = 0.0;
fraction = modf(log(pulsarTexture.width()) / log(2.0), &integer);
if(fraction > 0.0) {
qWarning() << msgPower.arg(tr("Pulsar"));
}
double integer = 0.0;
double fraction = 0.0;
fraction = modf(log(pulsarTexture.width()) / log(2.0), &integer);
if(fraction > 0.0) {
qWarning() << msgPower.arg(tr("Pulsar"));
}
}
if(pulsarTexture.width() > maxTextureSize) {
qWarning() << msgSize.arg(tr("pulsar").arg(maxTextureSize).arg(maxTextureSize));
pulsarTexture = pulsarTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
qWarning() << msgSize.arg(tr("pulsar").arg(maxTextureSize).arg(maxTextureSize));
pulsarTexture = pulsarTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
// prepare and check background texture
QImage backgroundTexture(":/textures/resources/texture_background_carina.png");
if(backgroundTexture.width() != backgroundTexture.height()) {
qWarning() << msgShape.arg(tr("Background"));
qWarning() << msgShape.arg(tr("Background"));
}
else {
double integer = 0.0;
double fraction = 0.0;
fraction = modf(log(backgroundTexture.width()) / log(2.0), &integer);
if(fraction > 0.0) {
qWarning() << msgPower.arg(tr("Background"));
}
double integer = 0.0;
double fraction = 0.0;
fraction = modf(log(backgroundTexture.width()) / log(2.0), &integer);
if(fraction > 0.0) {
qWarning() << msgPower.arg(tr("Background"));
}
}
if(backgroundTexture.width() > maxTextureSize) {
qWarning() << msgSize.arg(tr("background").arg(maxTextureSize).arg(maxTextureSize));
backgroundTexture = backgroundTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
qWarning() << msgSize.arg(tr("background").arg(maxTextureSize).arg(maxTextureSize));
backgroundTexture = backgroundTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
// bind textures
......@@ -219,370 +219,396 @@ void PulsarAnimationWidget::initializeGL()
void PulsarAnimationWidget::resizeGL(int w, int h)
{
glViewport(0, 0, w, h);
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(4.5, (GLfloat)w / (GLfloat)h, 0.1, 5000.0);
gluPerspective(4.5, (GLfloat)w / (GLfloat)h, 0.1, 5000.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void PulsarAnimationWidget::paintGL()
{
GLfloat x,y,angle;
GLfloat x,y,angle;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(m_cameraPosX, m_cameraPosY, m_cameraPosZ,
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
// TODO: should be located elsewhere
static GLfloat no_mat[] = {0.0, 0.0, 0.0, 1.0};
static GLfloat mat_diffuse[] = {0.5, 0.5, 0.5, 1.0};
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);
// let's draw everything as wireframe model
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
// draw scence
glPushMatrix();
{
// draw pulsar
glPushMatrix();
{
glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
glRotatef(m_pulsarRotationAngle, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// draw spin axis
if(m_showRotationAxes) {
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glColor3f(1.0f, 1.0f, 1.0f);
glPushMatrix();
{
glTranslatef(0.0, 0.0, -5.0);
gluCylinder(m_quadricPulsarSpinAxis, 0.025, 0.025, 10.0, 32, 1);
}
glPopMatrix();
glPushMatrix();
{
glTranslatef(0.0, 0.0, -5.0);
gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
}
glPopMatrix();
glPushMatrix();
{
glTranslatef(0.0, 0.0, 5.0);
gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
}
glPopMatrix();
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// gives pulsar spherical appearance
glEnable(GL_LIGHTING);
gluLookAt(m_cameraPosX, m_cameraPosY, m_cameraPosZ,
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
gluSphere(m_quadricPulsar, 1.0, 32, 32);
// TODO: should be located elsewhere
static GLfloat no_mat[] = {0.0, 0.0, 0.0, 1.0};
static GLfloat mat_diffuse[] = {0.5, 0.5, 0.5, 1.0};
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};
glDisable(GL_LIGHTING);
}
glPopMatrix();
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);
// TODO: should be located elsewhere
static GLfloat coneAmbient[] = {1.0, 1.0, 0.0, 1.0};
static GLfloat coneDiffuse[] = {1.0, 1.0, 0.0, 1.0};
static GLfloat coneSpecular[] = {1.0, 1.0, 0.5, 1.0};
// let's draw everything as wireframe model
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
glMaterialfv(GL_FRONT, GL_SPECULAR, coneSpecular);
// draw pulsar
glPushMatrix();
glPushMatrix();
glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
glRotatef(m_pulsarRotationAngle, 0.0, 0.0, 1.0);
// draw spin axis
if(m_showRotationAxes) {
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glColor3f(1.0f, 1.0f, 1.0f);
glPushMatrix();
glTranslatef(0.0, 0.0, -5.0);
gluCylinder(m_quadricPulsarSpinAxis, 0.025, 0.025, 10.0, 32, 1);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 0.0, -5.0);
gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 0.0, 5.0);
gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
glPopMatrix();
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
// gives pulsar spherical appearance
glEnable(GL_LIGHTING);
glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
gluSphere(m_quadricPulsar, 1.0, 32, 32);
glDisable(GL_LIGHTING);
glPopMatrix();
// TODO: should be located elsewhere
static GLfloat coneAmbient[] = {1.0, 1.0, 0.0, 1.0};
static GLfloat coneDiffuse[] = {1.0, 1.0, 0.0, 1.0};
static GLfloat coneSpecular[] = {1.0, 1.0, 0.5, 1.0};
glMaterialfv(GL_FRONT, GL_SPECULAR, coneSpecular);
// first cone
glPushMatrix();
glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
glRotatef(m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
glRotatef(-m_pulsarMagneticAxisInclination, 0.0, 1.0, 0.0);
// draw magnetic axis (for both cones)
if(m_showRotationAxes) {
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glColor3f(1.0f, 1.0f, 0.0f);
glPushMatrix();
glTranslatef(0.0, 0.0, -5.0);
gluCylinder(m_quadricPulsarMagneticAxis, 0.025, 0.025, 10.0, 32, 1);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 0.0, -5.0);
gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 0.0, 5.0);
gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
glPopMatrix();
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
glTranslatef(0.0, 0.0, -4.0);
glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
// draw first cone's outer layer
glBegin(GL_TRIANGLE_FAN);
// Pinnacle of cone is shared vertex for fan, moved up z-axis
// to produce a cone instead of a circle
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
// 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*GL_PI); angle += (GL_PI/32.0f))
{
// Calculate x and y position of the next vertex
x = m_pulsarBeamOuterRadius * sin(angle);
y = m_pulsarBeamOuterRadius * cos(angle);
// Specify the next vertex for the triangle fan
glVertex2f(x, y);
}
glEnd();
// draw first cone's inner layer (do we need/want this?)
glBegin(GL_TRIANGLE_FAN);
glColor3f(0.66f, 0.66f, 0.0f);
glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f)) {
x = m_pulsarBeamInnerRadius * sin(angle);
y = m_pulsarBeamInnerRadius * cos(angle);
glVertex2f(x, y);
}
glEnd();
// draw first cone's "rim" (disk topping gap between both cones)
glColor3f(1.0f, 1.0f, 0.5f);
gluDisk(m_quadricPulsarConeRim1, m_pulsarBeamInnerRadius, m_pulsarBeamOuterRadius, 32, 8);
glPopMatrix();
// second cone
glPushMatrix();
glRotatef(180.0, 1.0, 0.0, 0.0);
// first cone
glPushMatrix();
{
glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
glRotatef(-m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
glRotatef(m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
glRotatef(-m_pulsarMagneticAxisInclination, 0.0, 1.0, 0.0);
glTranslatef(0.0, 0.0, -4.0);
glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
// draw first cone's outer layer
glBegin(GL_TRIANGLE_FAN);
// Pinnacle of cone is shared vertex for fan, moved up z-axis
// to produce a cone instead of a circle
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 3.0f);
// 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*GL_PI); angle += (GL_PI/32.0f))
{
// Calculate x and y position of the next vertex
x = m_pulsarBeamOuterRadius * sin(angle);
y = m_pulsarBeamOuterRadius * cos(angle);
// Specify the next vertex for the triangle fan
glVertex2f(x, y);
}
glEnd();
// draw first cone's inner layer (do we need/want this?)
glBegin(GL_TRIANGLE_FAN);
glColor3f(0.66f, 0.66f, 0.0f);
glVertex3f(0.0f, 0.0f, 3.0f);
for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f)) {
x = m_pulsarBeamInnerRadius * sin(angle);
y = m_pulsarBeamInnerRadius * cos(angle);
glVertex2f(x, y);
}
glEnd();
// draw magnetic axis (for both cones)
if(m_showRotationAxes) {
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glColor3f(1.0f, 1.0f, 0.0f);
glPushMatrix();
{
glTranslatef(0.0, 0.0, -5.0);
gluCylinder(m_quadricPulsarMagneticAxis, 0.025, 0.025, 10.0, 32, 1);
}
glPopMatrix();
glPushMatrix();
{
glTranslatef(0.0, 0.0, -5.0);
gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
}
glPopMatrix();
glPushMatrix();
{
glTranslatef(0.0, 0.0, 5.0);
gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
}
glPopMatrix();
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
glTranslatef(0.0, 0.0, -4.0);
glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
// draw first cone's outer layer
glBegin(GL_TRIANGLE_FAN);
{
// Pinnacle of cone is shared vertex for fan, moved up z-axis
// to produce a cone instead of a circle
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
// 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*GL_PI); angle += (GL_PI/32.0f))
{
// Calculate x and y position of the next vertex
x = m_pulsarBeamOuterRadius * sin(angle);
y = m_pulsarBeamOuterRadius * cos(angle);
// Specify the next vertex for the triangle fan
glVertex2f(x, y);
}
}
glEnd();
// draw first cone's inner layer (do we need/want this?)
glBegin(GL_TRIANGLE_FAN);
{
glColor3f(0.66f, 0.66f, 0.0f);
glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);