spacecruft/celestia
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Added track mode, light speed key

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This commit is contained in:
Chris Laurel 2001-08-09 01:33:08 +00:00
parent ae428fc6f9
commit 5fb7e621f2
1 changed files with 26 additions and 26 deletions
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52
src/celestiacore.cpp
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@ -15,6 +15,7 @@
#include <iostream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cstdlib>
#include <cctype>
@ -313,12 +314,15 @@ void CelestiaCore::keyDown(int key)
sim->setTargetSpeed(astro::kilometersToLightYears(1000.0));
break;
case Key_F4:
sim->setTargetSpeed(astro::kilometersToLightYears(1000000.0));
sim->setTargetSpeed(astro::kilometersToLightYears(astro::speedOfLight));
break;
case Key_F5:
sim->setTargetSpeed(astro::AUtoLightYears(1));
sim->setTargetSpeed(astro::kilometersToLightYears(1000000.0));
break;
case Key_F6:
sim->setTargetSpeed(astro::AUtoLightYears(1));
break;
case Key_F7:
sim->setTargetSpeed(1);
break;
}
@ -399,6 +403,10 @@ void CelestiaCore::charEntered(char c)
sim->geosynchronousFollow();
break;
case 'T':
sim->track();
break;
case 'H':
sim->selectStar(0);
break;
@ -695,7 +703,9 @@ void CelestiaCore::showText(string s)
static void displayDistance(Overlay& overlay, double distance)
{
if (distance >= astro::AUtoLightYears(1000.0f))
if (distance < astro::kilometersToLightYears(1.0f))
overlay.printf("%.3f m", distance);
else if (distance >= astro::AUtoLightYears(1000.0f))
overlay.printf("%.3f ly", distance);
else if (distance >= astro::kilometersToLightYears(10000000.0))
overlay.printf("%.3f au", astro::lightYearsToAU(distance));
@ -821,34 +831,24 @@ void CelestiaCore::renderOverlay()
{
glPushMatrix();
glTranslatef(0, fontHeight * 2 + 5, 0);
overlay->beginText();
double speed = sim->getObserver().getVelocity().length();
char* units;
if (speed < astro::AUtoLightYears(1000))
{
if (speed < astro::kilometersToLightYears(10000000.0f))
{
speed = astro::lightYearsToKilometers(speed);
units = "km/s";
}
else
{
speed = astro::lightYearsToAU(speed);
units = "AU/s";
}
}
else
{
units = "ly/s";
}
glColor4f(0.7f, 0.7f, 1.0f, 1.0f);
overlay->beginText();
*overlay << '\n';
if (showFPSCounter)
*overlay << "FPS: " << fps;
*overlay << "\nSpeed: " << speed << ' ' << units;
*overlay << "\nSpeed: " << setprecision(3) << fixed;
double speed = sim->getObserver().getVelocity().length();
if (speed < astro::kilometersToLightYears(1.0f))
*overlay << astro::lightYearsToKilometers(speed) * 1000.0f << " m/s";
else if (speed < astro::kilometersToLightYears(10000.0f))
*overlay << astro::lightYearsToKilometers(speed) << " km/s";
else if (speed < astro::kilometersToLightYears((float) astro::speedOfLight * 1000000.0f))
*overlay << astro::lightYearsToKilometers(speed) / astro::speedOfLight << 'c';
else
*overlay << speed << " ly/s";
*overlay << setprecision(6) << scientific;
overlay->endText();
glPopMatrix();