static void lvDisplay(void) {
glClear(GL_COLOR_BUFFER_BIT);
applyTransforms();
glColor3f(0.25f, 0.25f, 0.25f);
glLineWidth(2);
drawLine(-lvWidth-lvTransX, 0, lvWidth-lvTransX, 0);
drawLine(0, -lvHeight-lvTransY, 0, lvHeight-lvTransY);
glLineWidth(1);
lsystem.Draw();
glMatrixMode(GL_PROJECTION); glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, lvWidth, lvHeight, 0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
drawSquare(0.25f, 0.25f, 0.25f, 0, 0, lvWidth, BARH);
drawSquare(0.25f, 0.25f, 0.25f, 0, lvHeight, lvWidth, lvHeight-BARH);
glLoadIdentity();
gluOrtho2D(-lvWidth, lvWidth, lvHeight, -lvHeight);
glColor3f(0, 1, 1);
drawText(-lvWidth + 15, -lvTransY*lvZoom - 8, SBFONT, "+z");
drawText(lvWidth - 50, -lvTransY*lvZoom - 8, SBFONT, "-z");
drawText(-lvTransX*lvZoom, -lvHeight + 75, SBFONT, "+y");
drawText(-lvTransX*lvZoom, lvHeight - 65, SBFONT, "-y");
glColor3f(1, 1, 1);
lvText(9, lvHeight-16, SBFONT, 0, "fstop %1.1f (aperture %1.1fmm) | "
"object %1.1fmm | image %1.1fmm | mode: none",
0.,0.,0.,0.);
lvText(9, 8, SBFONT, 0, "F %1.1fmm | F' %1.1fmm | P %1.1fmm | "
"P' %1.1fmm | exit pupil (%1.1fmm, %1.1fmm)",
0.,0.,0.,0.,0.,0.);
glPopMatrix();
glutSwapBuffers();
}
static void lvDisplay(void) {
glClear(GL_COLOR_BUFFER_BIT);
applyTransforms();
glScalef(scale, scale, scale);
glColor3f(0.25f, 0.25f, 0.25f);
glLineWidth(2);
drawLine(-lvWidth-lvTransX, 0, lvWidth-lvTransX, 0);
drawLine(0, -lvHeight-lvTransY, 0, lvHeight-lvTransY);
glLineWidth(1);
lsystem.Draw();
// Draw image planes
glColor3f(1.0, 0.0, 1.0);
glLineWidth(2);
drawLine(lsystem.iPlane, lsystem.maxAperture()/2, lsystem.iPlane, -lsystem.maxAperture()/2);
drawText(lsystem.iPlane - 1, -lsystem.maxAperture()/2 - 5, SBFONT, "I");
drawLine(zDist, lsystem.maxAperture()/2, zDist, -lsystem.maxAperture()/2);
drawText(zDist - 1, -lsystem.maxAperture()/2 - 5, SBFONT, "O");
// Trace rays through lens system
glColor3f(0.0, 0.0, 1.0);
glLineWidth(1);
for (int i = -9; i < 10; i++)
{
Ray rayv = Ray(Point(0, iPlaneY, lsystem.iPlane), Vector(0, lsystem.pupil.y/2 * (float) i/9 - iPlaneY, lsystem.pupil.z - lsystem.iPlane));
Ray& rays = rayv;
lsystem.Trace(rays, new Ray());
}
//lsystem.findExitPupil();
//lsystem.recalAper();
//lsystem.findF();
//lsystem.findFp();
//lsystem.refocus(zDist, -1);
//Draw principal axes
glColor3f(0.0, 1.0, 0.0);
glLineWidth(2);
drawLine(lsystem.pupil.z, lsystem.pupil.y/2, lsystem.pupil.z, (lsystem.pupil.y+lsystem.maxAperture()) / 2);
drawLine(lsystem.pupil.z, -lsystem.pupil.y/2, lsystem.pupil.z, (-lsystem.pupil.y-lsystem.maxAperture()) / 2);
drawText(lsystem.pupil.z, (-lsystem.pupil.y-lsystem.maxAperture()) / 2 - 5, SBFONT, "ep");
//Draw principal axes
glColor3f(1.0, 0.0, 0.0);
glLineWidth(2);
drawLine(lsystem.p2, lsystem.maxAperture()/2, lsystem.p2, -lsystem.maxAperture()/2);
drawText(lsystem.p2 - 1, -lsystem.maxAperture()/2 - 5, SBFONT, "P'");
drawLine(lsystem.p1, lsystem.maxAperture()/2, lsystem.p1, -lsystem.maxAperture()/2);
drawText(lsystem.p1 - 1, -lsystem.maxAperture()/2 - 5, SBFONT, "P");
//Draw focal planes
glColor3f(1.0, 1.0, 0.0);
drawPoint(5, lsystem.f1, 0);
drawText(lsystem.f1 - 1, -5, SBFONT, "F");
drawPoint(5, lsystem.f2, 0);
drawText(lsystem.f2 - 1, -5, SBFONT, "F'");
glMatrixMode(GL_PROJECTION); glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, lvWidth, lvHeight, 0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
drawSquare(0.25f, 0.25f, 0.25f, 0, 0, lvWidth, BARH);
drawSquare(0.25f, 0.25f, 0.25f, 0, lvHeight, lvWidth, lvHeight-BARH);
glLoadIdentity();
gluOrtho2D(-lvWidth, lvWidth, lvHeight, -lvHeight);
glColor3f(0, 1, 1);
drawText(-lvWidth + 15, -lvTransY*lvZoom - 8, SBFONT, "+z");
drawText(lvWidth - 50, -lvTransY*lvZoom - 8, SBFONT, "-z");
drawText(-lvTransX*lvZoom, -lvHeight + 75, SBFONT, "+y");
drawText(-lvTransX*lvZoom, lvHeight - 65, SBFONT, "-y");
glColor3f(1, 1, 1);
const char* mode = lsystem.M == precise ? "precise" : "thick";
lvText(9, lvHeight-16, SBFONT, 0, "fstop %1.1f (aperture %1.1fmm) | "
"object %1.1fmm | image %1.1fmm | mode: %s",
lsystem.fstop,lsystem.getAperture()->aper,zDist,lsystem.iPlane, mode);
lvText(9, 8, SBFONT, 0, "F %1.1fmm | F' %1.1fmm | P %1.1fmm | "
"P' %1.1fmm | exit pupil (%1.1fmm, %1.1fmm)",
lsystem.f1,lsystem.f2,lsystem.p1,lsystem.p2,lsystem.pupil.z,lsystem.pupil.y);
glPopMatrix();
glutSwapBuffers();
}