Hi guys!!
I'll try to keep this as short and organized as possible.
My name's Bruno and I'm new to the forum, but I've been working with B4A for a while now.
This place has been a great resource for me, so first of all, many thanks to all of you for the tutorials and answers. You really helped me a lot. Also many thanks to Erel for creating such an amazing tool.
UPDATE:
===============================================
I DID IT!!!!!
I successfully ported the app from GameView to libGDX.
Please be so kind to test it and give me some feedback on performance results.
It works great on my Asus tablet and Xperia phone.
===============================================
About The Project:
I'm currently creating a fighting game / beat'em'up engine called "Bulldozer Engine".
My goal is to build games like Streets Of Rage, Final Fight or Street Fighter with great responsiveness and speed. I'm using Street Fighter 3 sprites and a hi-res 16-bit-era style background in order to stress test the app.
This is the main module:
As you can see, I have the Animation Cycle separated from all the other modules, because I want the Animation to run at 24 FPS and the game engine to run at 60 Hz. These numbers are defined in Process_Globals:
At the end of the Main Cycle, I have a module called Auto-Adjust FPS which compensates the animation speed, in case the frame rate drops momentarily. This option can be set on or off with ease.
Now, my little big problem:
So far I'm even surprised with how much I've accomplished in only 4 weeks but yesterday I've encountered a big problem.
My (quite unfinished) game engine runs great on my ASUS tablet (ME173X) but runs very slow on all other devices that I've tested. I've uploaded reference videos for every device where I tested this app.
Even with all the modules disabled, leaving only the Animation, the engine still runs slow.
I guess the problem is that I'm using the lib GameView and for what I've been reading in other posts, I should be using libGDX because it operates directly with OpenGL.
If this is the case, I really need your guys help in order to "port" my app from GameView to libGDX.
DEBUG Videos:
ASUS ME173X: Perfect Animation and Speed
Sony Xperia P: Slow
HTC One M7: Slow
Samsung Galaxy S3: Slow
PC Emulator Andy: Unplayable
Here's a link to the GameView version, so that you can test it yourselves.
Thanks in advance for the help!
PS: Note that the HTC One is far superior to my ASUS tablet and still it runs slow.
I'll try to keep this as short and organized as possible.
My name's Bruno and I'm new to the forum, but I've been working with B4A for a while now.
This place has been a great resource for me, so first of all, many thanks to all of you for the tutorials and answers. You really helped me a lot. Also many thanks to Erel for creating such an amazing tool.
UPDATE:
===============================================
I DID IT!!!!!
I successfully ported the app from GameView to libGDX.
Please be so kind to test it and give me some feedback on performance results.
It works great on my Asus tablet and Xperia phone.
===============================================
About The Project:
I'm currently creating a fighting game / beat'em'up engine called "Bulldozer Engine".
My goal is to build games like Streets Of Rage, Final Fight or Street Fighter with great responsiveness and speed. I'm using Street Fighter 3 sprites and a hi-res 16-bit-era style background in order to stress test the app.
This is the main module:
B4X:
Sub Main_Engine_Cycle_Tick
cycle_number = cycle_number + 1
'================================================================
If First_Cycle = True OR counter >= Ceil(cycle_fps/sprite_fps) AND cycle_fps <> 0 AND real_fps <> 0 Then
counter = 0
start_calc_fps = DateTime.Now
Do Until active_actor = number_of_actors
Animation
active_actor = active_actor + 1
Loop
If active_actor >= (number_of_actors - 1) Then
active_actor = 0
End If
End If
'================================================================
Scroll_Update
Do Until active_actor = number_of_actors
BG_Scroll_Test
Actor_Orientation
Body_Part_Location
AI_Set_Destination
Player_Move
AI_Move
Check_Boxes
Player_Colision_Detector
AI_Colision_Detector
AI_Interaction
AtkStr_Control
Display_LifeBars
active_actor = active_actor + 1
Loop
If active_actor > (number_of_actors - 1) Then active_actor = 0
'================================================================
If active_actor = 0 Then Bubble_Sort
counter = counter + 1
actors.Invalidate
'================================================================
If (cycle_number Mod 2 ) = 0 Then
If cycle_number = 2 Then cycle_number = 0
cycle_start = DateTime.Now
Else
cycle_end = DateTime.Now
End If
end_calc_fps = DateTime.Now
'================================================================
'Calculate Animation FPS
timestamp = end_calc_fps - start_calc_fps
'Calculate Engine FPS
cycle_time = (cycle_end - cycle_start)
cycle_fps = Abs(Round2((1/cycle_time*1000), 2))
'Calculate Discrepancies
fps_dif = (real_fps - target_fps)
cycle_dif = (cycle_fps - game_speed)
Auto_Adjust_FPS
First_Cycle = False
End SubAs you can see, I have the Animation Cycle separated from all the other modules, because I want the Animation to run at 24 FPS and the game engine to run at 60 Hz. These numbers are defined in Process_Globals:
B4X:
Sub Process_Globals
'Engine Settings
'ENGINE MODE OPTIONS
Dim game_speed = 60 As Int ' - Default: 60Hz
Dim cycle_fps = game_speed As Float
Dim target_fps = 24 As Int ' - Desired FPS for optimal animation
Dim sprite_fps = target_fps As Float ' - Starting animation FPS
(...)At the end of the Main Cycle, I have a module called Auto-Adjust FPS which compensates the animation speed, in case the frame rate drops momentarily. This option can be set on or off with ease.
Now, my little big problem:
So far I'm even surprised with how much I've accomplished in only 4 weeks but yesterday I've encountered a big problem.
My (quite unfinished) game engine runs great on my ASUS tablet (ME173X) but runs very slow on all other devices that I've tested. I've uploaded reference videos for every device where I tested this app.
Even with all the modules disabled, leaving only the Animation, the engine still runs slow.
I guess the problem is that I'm using the lib GameView and for what I've been reading in other posts, I should be using libGDX because it operates directly with OpenGL.
If this is the case, I really need your guys help in order to "port" my app from GameView to libGDX.
DEBUG Videos:
ASUS ME173X: Perfect Animation and Speed
Sony Xperia P: Slow
HTC One M7: Slow
Samsung Galaxy S3: Slow
PC Emulator Andy: Unplayable
Here's a link to the GameView version, so that you can test it yourselves.
- Dumb AI: http://www23.zippyshare.com/v/5998905/file.html (Easy)
- Smart AI: http://www4.zippyshare.com/v/71125668/file.html (Hard)
Thanks in advance for the help!
PS: Note that the HTC One is far superior to my ASUS tablet and still it runs slow.
Last edited:
