i am wokring on a simple pong game to get used to BMAX and OOP
when i run it all i get is a blank screen, can someone help me?
Graphics 640,480
'this is a pong clone and my first game in BMAX
Global num_players = 1'the number of players
Global phase = 0'the current phase of the game
Global sup_phase = 0
Global paused = False
Global player_1_score
Global player_2_score
Type thing'this is the basic type for all objects in this game
Field X,Y'my referrence for where the objects are
Field speed_X,speed_Y
Field dir
Field width,height
Field true_X,true_Y'ths drawing point of the rects
Method draw()
SetColor 255,255,255
DrawRect(X,Y,width,height)
End Method
End Type
Type bar Extends thing
Field player
Field speed
Method controls()
If num_players = 1
If player = 1
If KeyDown(KEY_UP)
dir = 0
ElseIf KeyDown(KEY_DOWN)
dir = 1
Else
dir = 2
EndIf
ElseIf player = 2
AI()
EndIf
ElseIf num_players = 2
If player = 1'checks which player are you and sets up the controls
If KeyDown(KEY_W)
dir = 0
ElseIf KeyDown(KEY_S)
dir = 1
Else
dir = 2
EndIf
ElseIf player = 2
If KeyDown(KEY_UP)
dir = 0
ElseIf KeyDown(KEY_DOWN)
dir = 1
Else
dir = 2
EndIf
EndIf
EndIf
End Method
Method move()'moves the bars
If dir = 0
X:+ speed
ElseIf dir = 1
X:- speed
EndIf
End Method
Method AI()'this is for the AI of a pong padle
If dot.X >= GraphicsWidth() / 3'makes sure the dut is close enough to care
If dot.Y > Y - height - 15'then moves accordingly
dir = 1
ElseIf dot.Y < Y + height + 15
dir = 0
Else
dir = 2
EndIf
EndIf
End Method
Function create_bar(which)'this function creates a new player bar
Local newbar:bar
newbar = New bar
If which = 1
newbar.player = 1
newbar.X = 10
ElseIf which = 2
newbar.player = 2
newbar.X = GraphicsWidth() - 10
EndIf
newbar.Y = GraphicsHeight() / 2
newbar.speed = 5
newbar.dir = 2
newbar.width = 10
newbar.height = 35
newbar.true_X = newbar.X - (newbar.width / 2)
newbar.true_Y = newbar.Y - (newbar.height / 2)
ListAddLast(player_list,newbar)
End Function
End Type
Type ball Extends thing
Field RED,BLUE,GREEN
Method physics()'this will check when the dot hits either a horizontail wall or a paddle and then move it
X:+ speed_X
Y:+ speed_Y
If Y <= height + 3
If speed_X >= 2
speed_Y = Rand(2,6)
speed_X = 8 - speed_Y
speed_Y = -speed_Y
ElseIf speed_X <= -2
speed_Y = Rand(2,6)
speed_X = 8 - speed_Y
speed_X = -speed_X
speed_Y = -speed_Y
EndIf
ElseIf Y >= GraphicsHeight() - height + 3
If speed_X >= 2
speed_Y = Rand(2,6)
speed_X = 8 - speed_Y
ElseIf speed_X <= -2
speed_Y = Rand(2,6)
speed_X = 8 - speed_Y
speed_X = -speed_X
EndIf
EndIf
For Local players:bar = EachIn player_list
If RectsOverlap(X,Y,width,height,players.X,players.Y,players.width,players.height)
If players.player = 1
If speed_Y >= 2
speed_X = Rand(2,6)
speed_Y = 8 - speed_X
ElseIf speed_Y <= -2
speed_X = Rand(2,6)
speed_Y = 8 - speed_X
speed_Y = -speed_Y
EndIf
EndIf
EndIf
Next
End Method
Method score()
If X <= -height
player_1_score:+ 1
ElseIf X >= GraphicsWidth() + height
player_2_score:+ 1
EndIf
End Method
End Type
Global player_list:TList = CreateList()
For num = 1 To 2
bar.create_bar(num)'this loop creates the 2 player bars
Next
Global dot:ball
dot = New ball
dot.X = GraphicsWidth() / 2
dot.Y = GraphicsHeight() / 2
dot.speed_Y = Rand(2,6)
dot.speed_X = 8 - dot.speed_Y
dot.width = 10
dot.height = 10
dot.true_X = dot.X - dot.width
dot.true_Y = dot.Y - dot.height
While Not KeyHit(KEY_ESCAPE)
If paused = False
If KeyHit(KEY_P) Then paused = True
For Local player:bar = EachIn player_list
player.move()
player.controls()
player.draw()
Next
dot.physics()
dot.score()
dot.draw()
ElseIf paused = True
If KeyHit(KEY_P) Then paused = False
For Local player_B:bar = EachIn player_list
player_B.draw()
Next
dot.draw()
dot.score()
EndIf
Wend
Function RectsOverlap:Int(x0, y0, w0, h0, x2, y2, w2, h2)
If x0 > (x2 + w2) Or (x0 + w0) < x2 Then Return False
If y0 > (y2 + h2) Or (y0 + h0) < y2 Then Return False
Return True
End Function
| 
