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Topics - jcarrion

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Development news / Oculus Rift ? anyone ?
« on: December 30, 2015, 11:43:06 PM »
hi  . We are considering implementing Oculus Rift Virtual Reality support for the PC/Mac Steam version. Does actually anyone here has a Oculus Rift , that would like to betatest the Virtual Reality Builds ?


Development news / 1.0.6 (Pc-Screenshot )
« on: December 28, 2015, 10:26:49 PM »
Actually , should look the same for hi-end iOS/Droids...

Development news / ANDROID 1.0.5 is ready for download.
« on: November 05, 2015, 09:21:07 AM »
just published 1.0.5 

basicly we have redone the rendering system , ( for atmospheric planets) with a RAyleigh Scattering system. it looks different , most people agreed it looks now  more realistic. Sunsets, atmospheric effects, clouds ,etc.. look also much better. You can toggle from the old-renderer to the new one in the first option in /CONFIG/

Also , we have included a fix for Tegra3 devices  that previously show all the textures Black.

new modes for the EHSI , faster framerate , volumetric clouds , etc..

Users with  1.0.4 will be able to upgrade normally ( as in a normal google-play upgrade ) .     Users with 1.0.3 please contact us at for detailed upgrade instructions. 


Development news / Android Version 1.0.4 is READY FOR SALE
« on: October 28, 2015, 06:08:42 AM »
Android version 1.0.4 , with lots of improvements is out.

But before you rush tu update it......

-There have been some circunstances that has forced us to change the app descriptor. ( bad planning ).  That means that-for Google Play - 1.0.4 is indeed a new app, and no an update from 1.0.3  .

That means that you would need to purchase it again ....but  we are refunding in full the previous ( 1.0.3 )  one.   So for you is -as it should be - a free upgrade.

So , when you purchase 1.0.4  - , send us an email to  with the approximate date/postcode of your last (1.0.3 )  purchase , and we will order Google to refund your 1.0.3 purchase in the next 24 hours.

And remember ,  is again a 'fresh' app , so is highly deppendant on the ratings.  We deppends on sales to keep on developing ... and sales deppend mostly on fauvorable ratings. .. :)

I va taken every measure to make sure this mess doesnt happen again .I.,e.   1.0.5 will be a free 'normal' upgrade. And so on .

Thanks , and sorry again for any inconvenience .


Development news / X-15 Missions screenshots
« on: October 24, 2015, 04:28:58 PM »
a few screenshots for the x-15 missions   ( Version 1.0.4 ) and the new 3D model..

Development news / Android version is READY!
« on: October 02, 2015, 08:26:13 AM »
on the store. Same pricing as the iOS .

We will update this build in a few days with the inevitable  initial bugs  , so feel free to  post ->here in this forum - any issues found .

And , pls , rate it generously ;)

General Discussion / Game Center ideas ?
« on: September 26, 2015, 10:56:32 AM »
Working on 1.0.4  that will feature (amongth other stuff ) Game Center integration .this way we can create challenges ,etc.. and compare our abilities with other users of SS.

ok . I was thinking on  a few challenges .. namely :

1->Manual moon landing ( with Apollo LM ,  from Lunar Orbit )  .  Scoring based on remaining (unused ) fuel 
2->X-15 Max altitude ( scoring based on maximum height achieved ) , starting flying the B-52, and then staging to the X-15.
3->TakeOff to LEO ,  scoring based on fuel used/(remaining ? ) after achieving a stable earth orbit above 200km.

Well , any other ideas for challenges ?

Thanks in advance .

Development news / 1.0.4 Screenshots ! :)
« on: September 04, 2015, 05:33:47 PM »
a few w.i.p screenshots.

General Discussion / Video Tutorials
« on: August 16, 2015, 10:22:01 AM »
hi . We are creating a series of step by step video-tutorials.

So far we have 

a>  Takeoff to Low Earth Orbit

b-> Low Earth Orbit to Moon Orbit .

General Discussion / FIX for the Blue Planets bug .
« on: August 13, 2015, 02:55:17 PM »
To avoid the blue planets issue , in version 1.0.3 , the fog settings in the config section should be set to OFF .  The fog is no longer selectable ( it is automatic , and leaving it to 'on' will cause the planets to render in strange colours --namely blue -  

sorry for the inconvenience .


Development news / Version 1.0.3 is live on the app store
« on: August 07, 2015, 08:58:56 AM »
It is also the iPad + iPhone version . It requires a iPhone4S and newer  to run ok .

It has the new orbit planner, allowing to transfer to most planets,   all the jovian system, mercury , venus ,etc.  . New aerodynamic models , HUD , new spacecrafts, new airports,  and a list of bug fixes so long that It woulnd fit here :)

happy download/update

It will take approximately 2 hours from now to be actually ready for download. 

Development news / More screenshots... almost there for 1.0.3
« on: July 24, 2015, 11:44:28 AM »
More screenshots... almost there for 1.0.3

Development news / (Sceenshot ) Jovian Moons Arrival
« on: June 24, 2015, 11:04:29 AM »
1.0.3 will have just enough fuel to arrive Jupiter's moons from LEO .

User's guide, tutorials, documentation / Use of the orbit planner
« on: June 20, 2015, 10:54:45 AM »
(brief introduction to the orbit visualizer/planner included in version 1.0.3  )

The orbit planner can be accessed at any time  as long as the spacecraft is moving , and it is outside the atmosphere. Simply press "ORBIT" button (top left ) to enter orbit planner mode .

In the default view, we ll see our spacecraft's orbit represented by a green line . Please note that this line can be closed ( circular/eliptical orbits ) or open ( hyperbolic orbits ), in which the exccentricity is > 1.0

By pressing "BACK" button we will return to normal flight simulation mode.

"ORBIT" button opens up the orbital maneuver control panel

On the left , we can increase / decrease  

Delta-V , namely the increase/decrease of speed due to the orbital burn . It increases the altitude at the point opposite the current orbit position .

Delta-T , i.e. how far in the future would be the orbital burn. When planning orbital burns in the future ( Delta-T > 0 ) , the current spacecraft's position is shown in white , while the spacecraft's future position at the time of burn is shown in pink/red ,
Delta-N ,  The burn is tilted perpendicular to the orbit's plane ,

The current orbit will still be shown as green .
The orbit after the burn is shown in Yellow .

The total Delta-V required ( and hence constrained by remaining fuel ) can be seen .

Orbit Reference

As most cellestial objets are orbiting around anothers,  a  spacecraft -say- in orbit around the Moon is also obviously in orbit around the Earth ,and also in orbit around the Sun. You can toggle  the orbital reference by pressing the button with the current reference :

3 views of the same spaecraft with different orbital references:

Moon Orbit Reference

Earth Orbit Reference

Sun Orbital Reference

Transfer orbits

In order to travel to a different celestial body , we need to follow a Transfer orbit . The Hohmann Transfer orbit is an elliptical orbit used to transfer between two circular orbits of different radii in the same plane.
The orbits need to be in the same plane.  It is always a good idea before attempting a Hohmann transfer orbit to  adjust the orbital plane to be the same as the target , and then if possible circularize the orbit , before attempting the transfer.

Example 1:    Mars orbit to Phobos

In this example , we start with mission "Mars Orbit ( Low circular mars orbit )

We can see that our orbit lies on a different plane as phobos .  In the mobile version of Space Simulator , all natural planets/moons lie on the same elliptic plane (inclination = 0.0 ).  So we need to adjust the orbit of the spacecraft to match the one of Phobos.

To match orbital inclinations ( and hence similar orbital planes) , the maneuver should be performed at the point of crossing those planes. (Ascending and descending nodes ). So here, in this example , we need to advance the Delta_T until the position of the spacecraft is in the same plane as the orbital target .

So we advance Delta T until spacecraft is visually on the eclicptic (or the same target orbital plane ) .  And then adjust delta N ( Normal burn )  until the orbital inclination gets close to zero ( -1 in this example ). Please note the displayed total DeltaV and fuel  requeriments for the burn  

By clicking on "APPLY" button we perform the orbital burn , and we will be have now an spacecraft orbiting on a almost circular orbit on the same orbital plane than our target Phobos.

Before advancing further on the hohmann maneuvre , we need to understand the use of  "SHOW APO"  (show position at Apogee ).  By pressing this button , the planets/moons,etc. will be show in red , in the position they will be by the time our spacecraft reaches the apogee of the orbit,

"Show APO" Disabled . Shows (in grey ) the position of Phobos at the current Time
"Show APO" Enabled
Shows (in red ) the position of Phobos by the time the spacecraft will reach Apogee

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