Basic Robotron engine

[Rabbit 2600]

Working on a Robotron engine. It's still very basic but it's a start

 

You can walk around and shoot to the right. (Haven't gotten the hang of missiles just yet)

 

4 enemies on the screen that can be killed.

 

Game: RobotronBeta.bin

 

 

Source: RobotronBeta.bas

[+Gemintronic]

This would be a good platform to test out flicker mitigation techniques. I wonder if you could use the missiles as the chests for the robots. If you could timeshare missile0 and missile1 then there would be less flicker on the robots.

 

Also, you could use playfield blocks as the robot chests. The only thing that would blink are the heads, arms and legs. The tradeoff is that the robot movement would be clunky (always moving single playfield block at a time.)

[Crimefighter]

Oh boy...someone tried that with the ill-fated computer add-on and it was described as the most "flickerly thing ever seen".

[Rabbit 2600]

Just having some fun - You can now drop bombs by pressing fire and blast the robots. Yay or nay?

 

Bombertron.bin

[Rabbit 2600]

Managed to get rid of a lot of flickering. Press the firebutton to lay down a bomb.

 

RobotronBeta2.bin

Edited October 20, 2013 by Rabbit 2600

[+Gemintronic]

Managed to get rid of a lot of flickering. Press the firebutton to lay down a bomb.

 

RobotronBeta2.bin

 

How didja do it? Can you show the code? Looks pretty good

[Brian O]

Managed to get rid of a lot of flickering. Press the firebutton to lay down a bomb.

 

RobotronBeta2.bin

 

Reminds me of this:

 

[Rabbit 2600]

Sure I can post the code =)

 

I must learn missiles sometime, I have great examples to look at but I just don't get it. Thinking of having the robots firing missiles left and right so they won't be so easy to bomb.

 rem Generated 2013-10-19 17:39:33 by Visual bB Version 1.0.0.554
 rem **********************************
 rem *<filename>                      *
 rem *<description>                   *
 rem *<author>                        *
 rem *<contact info>                  *
 rem *<license>                       *
 rem **********************************

   set kernel multisprite

        set smartbranching on


 player1x = 135 : player1y = 25
 player2x = 122 : player2y = 50
 player3x = 255 : player3y = 255
 player4x = 255 : player4y = 255
 player0x = 50 : player0y = 50
 player5x = 32 : player5y = 75

 ballx = 255 : bally = 255

   AUDV0=0
   AUDV1=0

BATTLEFIELD



                                  dim _P1_L_R = player1x.a
                                  dim _P1_U_D = player1y.b

                                  dim _P2_L_R = player2x.c
                                  dim _P2_U_D = player2y.d

                                  dim _P5_L_R = player5x.k
                                  dim _P5_U_D = player5y.l

                                  dim _P0_L_R = player0x.i
                                  dim _P0_U_D = player0y.j

 if q = 1 then player0:
        %00100100
        %00100100
        %00011000
        %00011000
        %00011110
        %00000000
        %00011000
        %00011000
end

 if q = 2 then player0:
        %00100100
        %00100100
        %00011000
        %00011000
        %01111000
        %00000000
        %00011000
        %00011000
end

   player1:
        %00001000
        %00000000
        %01011101
        %01011101
        %00011100
        %01100011
        %00011100
        %00011100
end

   player2:
        %00001000
        %00000000
        %01011101
        %01011101
        %00011100
        %01100011
        %00011100
        %00011100
end


BOMB
  rem POSSIBLY INEFFICIENT CODE, SEPARATE COLOR INFO FOR EACH FRAME...
   player3:
        %00011100
        %00111110
        %00101110
        %00100110
        %00011100
        %00001000
        %00000110
        %00000000
end

EXPLOSION

 player4:
        %00110011
        %00110011
        %11001100
        %11001100
        %00110011
        %00110011
        %11001100
        %11001100
end


   player5:
        %00001000
        %00000000
        %01011101
        %01011101
        %00011100
        %01100011
        %00011100
        %00011100
end

 _COLUP1 = $0E

 COLUP2 = $40

 COLUP3 = $02

 COLUP4 = rand

 COLUP5 = $16

 COLUP0 = $1E

 t = t + 1

 if t = 10 then COLUPF = $94

 if t = 20 then COLUPF = $98

 if t = 20 then t = 0




 playfield:
 ................
 ................
 ................
 ................
 ................
 XXXXXXXXXXXXXXXX
 X...............
 X...............
 X...............
 X...............
 XXXXXXXXXXXXXXXX
end

 scorecolor = $0E

 drawscreen

        if joy0right then q = 1 : _P0_L_R = _P0_L_R + 0.30
        if joy0left then q = 2 : _P0_L_R = _P0_L_R - 0.30
        if joy0up then _P0_U_D = _P0_U_D + 0.30
        if joy0down then _P0_U_D = _P0_U_D - 0.30

  if _P1_U_D < _P0_U_D then _P1_U_D = _P1_U_D + 0.10
  if _P1_U_D > _P0_U_D then _P1_U_D = _P1_U_D - 0.10
  if _P1_L_R < _P0_L_R then _P1_L_R = _P1_L_R + 0.10
  if _P1_L_R > _P0_L_R then _P1_L_R = _P1_L_R - 0.10

  if _P2_U_D < _P0_U_D then _P2_U_D = _P2_U_D + 0.10
  if _P2_U_D > _P0_U_D then _P2_U_D = _P2_U_D - 0.10
  if _P2_L_R < _P0_L_R then _P2_L_R = _P2_L_R + 0.10
  if _P2_L_R > _P0_L_R then _P2_L_R = _P2_L_R - 0.10

  if _P5_U_D < _P0_U_D then _P5_U_D = _P5_U_D + 0.10
  if _P5_U_D > _P0_U_D then _P5_U_D = _P5_U_D - 0.10
  if _P5_L_R < _P0_L_R then _P5_L_R = _P5_L_R + 0.10
  if _P5_L_R > _P0_L_R then _P5_L_R = _P5_L_R - 0.10

 if player1y = 35 then player1y = 34

 if player2y = 55 then player2y = 54
 if player2y = 36 then player2y = 37

 if player5y = 60 then player5y = 61

 if player3x < 255 then goto SKIP

 if joy0fire then player3x = player0x + 8 : player3y = player0y : z = 72

SKIP

 if z > 0 then z = z - 1 : if z = 0 then player4x = player3x : player4y = player3y : u = 52

 if u > 0 then AUDV0 = 15 : AUDC0 = 8 : AUDF0 = 30 : u = u - 1 : if u = 0 then player4x = 255 : player4y = 255 : player3x = 255 : player3y = 255 : AUDV0 = 0

   if n > 0 then AUDV0 = 15 : AUDC0 = 8 : AUDF0 = 20 : n = n - 1: if n = 0 then AUDV0 = 0

 if player2x = player4x && player2y = player4y then player2y = 255 : player2x = 255 : score = score + 100

 if player1x = player4x && player1y = player4y then player1y = 255 : player1x = 255 : score = score + 100

 if player5x = player4x && player5y = player4y then player5y = 255 : player5x = 255 : score = score + 100

 if joy0left && collision(player0,playfield) then player0x = player0x + 1
 if joy0right && collision(player0,playfield) then player0x = player0x - 1

 if joy0up && collision(player0,playfield) then player0y = player0y - 1
 if joy0down && collision(player0,playfield) then player0y = player0y + 1






 goto BATTLEFIELD

[Rabbit 2600]

Any fun gameplay ideas you think could be added to this one? =)

[+Gemintronic]

 

Reminds me of this:

 

 

Have batari - can do!

 

[Rabbit 2600]

Haha, that's awesome! =D

[Xan]

On 10/20/2013 at 2:49 PM, Rabbit 2600 said:

Managed to get rid of a lot of flickering. Press the firebutton to lay down a bomb.

 

RobotronBeta2.bin 4 kB · 194 downloads

very nice, I really liked the project