Code w/ animation creates "Illegal Memory Address"
Blitz3D Forums/Blitz3D Programming/Code w/ animation creates "Illegal Memory Address"
| ||
I have rewritten a program of mine with a different theme now, and it now has an animated player (or was supposed to), and with this code, and it unfortunately, gives me an "Illegal Memory Address" message when I actually go and play it. I'm not too sure where that would occur, since all of my graphics do exist. This is the weirdest thing I believe I've ever seen. Here's the code below:
; Plasmorg.bb - This is the source code for the game project, "Plasmorg: Star of Celestial Combat"
; (c)2006, Robert A. Morin, RAM Digital Media
; -------------------------------------------
; First, set the graphics resolution to 640x480
Graphics3D 800,600
; Initialize the default settings for AutoMidHandle and BackBuffer
AutoMidHandle True
SetBuffer BackBuffer()
; Now, load in the images for the background and foreground images
; This first image is the red/purple/magenta smoke in the background
Global redimage = LoadImage("redsmoke.bmp")
; The front image is the yellow/cyan/periwinkle image of smoke
Global yellowimage = LoadImage("yellowsmoke.bmp")
; Now, load in the spooky background sound in the background
Global backsound = LoadSound("background.wav")
Global bulletsound = LoadSound("zapper.wav")
Global magicsound = LoadSound("magic.wav")
Global explosionsound = LoadSound("explode.wav")
; Now, take a variable to track the scrolling of these images
scrolly = 0
; The following are the constants used for this game
Const PLAYERSPEED = 10
Const ENEMYSPEED = 5
Const NORMALBULLET = 1, MISSILE = 2
; Below, load the type used to move the player's object around the screen
Type player
Field x, y ; These define the coordinates that the player moves on
Field frame ; This defines the frames that are drawn from the animation
Field collision ; This defines the collision done between you and your enemy
Field hits ; These are the hits that you knock down your enemy with
Field image ; This defines the image for the player
End Type
Type enemy
Field x, y ; These define the coordinates that the enemy moves on
Field xv, yv ; These define the velocity that the enemy AI uses
Field image ; This defines the image that the enemy uses
End Type
Type bullet
Field x, y ; These define the coordinates that the bullet takes
Field image ; This is the image definition for the bullet
Field bullettype ; This defines whether you have a short spike or a magic brick block
End Type
; Now, the following will create the player for the game
; Provide the starting values for the player and the enemy
Global player.player = New player
player\x = 400
player\y = 400
player\frame = 0
player\collision = 0
player\image = LoadAnimImage("player.bmp",64,64,0,6)
Global enemy.enemy = New enemy
enemy\x = 400
enemy\y = 200
enemy\xv = Rand(-5,5)
enemy\yv = Rand(-5,5)
enemy\image = LoadImage("enemy.bmp")
; Start playing the sound while the background loads
LoopSound backsound
PlaySound backsound
; Below starts the main loop for this part of the program
While Not KeyDown(1)
; Next, make sure that the screen is clear before setting the smoke
Cls
; Now, tile the red smoke below, and the brighter smoke on the second layer
TileImage redimage,0,scrolly
TileImage yellowimage,0,scrolly*2
; Increase the value of the scrolly variable
scrolly = scrolly + 1
; Once the tracking variable exceeds the maximum value, reset it to 0
If scrolly >= ImageHeight(yellowimage)
scrolly = 0
EndIf
; Display the image's coordinates for his movements
Text 0,0, "X Coord:\> " + player\x
Text 0,12, "Y Coord:\> " + player\y
Text 0,500, "PLAYER SCORE:\> " + player\hits
Text 0,512, "ENEMY SCORE :\> " + player\collision
TestEnemyCollisions()
TestKeys()
CollisionCrash()
If KeyDown(57)
bullets.bullet = New bullet
bullets\x = player\x
bullets\y = player\y
bullets\image = LoadImage("bullet.bmp")
bullets\bullettype = NORMALBULLET
PlaySound bulletsound
EndIf
If KeyDown(14)
bullets.bullet = New bullet
bullets\x = player\x
bullets\y = player\y
bullets\image = LoadImage("block.bmp")
bullets\bullettype = MISSILE
PlaySound magicsound
EndIf
UpDateBullets()
; Below is the enemy's image specifications
enemy\image = LoadImage("enemy.bmp")
; Move the airplane in the same direction as the player does, thus, trying to crash into him
If player\y > enemy\y
enemy\y = enemy\y + ENEMYSPEED
EndIf
If player\x < enemy\x
enemy\x = enemy\x - ENEMYSPEED
EndIf
If player\y < enemy\y
enemy\y = enemy\y - ENEMYSPEED
EndIf
If player\x > enemy\x
enemy\x = enemy\x + ENEMYSPEED
EndIf
; The following will keep the enemy in motion and try to fly around you, and collide into you
enemy\x = enemy\x + enemy\xv
enemy\y = enemy\y + enemy\yv
; Once the enemy reaches the edges of the screen, move him back into range
If enemy\x <= 0
enemy\x = 0
ElseIf enemy\x >= 800
enemy\x = 800
EndIf
If enemy\y <= 0
enemy\y = 0
ElseIf enemy\y >= 600
enemy\y = 600
EndIf
; Now, draw the images of both you and the enemy
DrawImage enemy\image, enemy\x, enemy\y
DrawImage player\image, player\x, player\y, player\frame
; Once the left key is pressed, move the player in that direction and decrease the frame
If KeyDown (203)
player\x = player\x - PLAYERSPEED
player\frame = player\frame - 1
EndIf
; Once the right key is pressed, move the player in that direction, and increase the frame
If KeyDown (205)
player\x = player\x + PLAYERSPEED
player\frame = player\frame + 1
EndIf
; Once the down key is pressed, move the player in that direction, and decrease the frame
If KeyDown (208)
player\y = player\y + PLAYERSPEED
player\frame = player\frame - 1
EndIf
; Once the up key is pressed, move the player in that direction, and increase the frame
If KeyDown (200)
player\y = player\y - PLAYERSPEED
player\frame = player\frame + 1
EndIf
; Once the frame exceeds its maximum value, reset it to the zero position
If player\frame > 5
player\frame = 0
; One that same token, if the frame is lower than the minimum value, reset it to the middle frame
ElseIf player\frame < 0
player\frame = 5
EndIf
; Set the frag limit to 20, and display the final score and game over
If player\hits = 20
GameOver()
EndIf
If player\collision = 20
GameOver()
EndIf
If player\frame > 5
player\frame = 0
ElseIf player\frame < 0
player\frame = 5
EndIf
; Allow for a brief delay
Delay 100
Flip
Wend
; This officially ends the program loop
Function TestEnemyCollisions()
; Reverse the enemy's velocity if he hits an edge of the screen
If enemy\x < 0
enemy\xv = -enemy\xv
EndIf
If enemy\x > 800
enemy\xv = -enemy\xv
EndIf
If enemy\y < 0
enemy\yv = -enemy\yv
EndIf
If enemy\y > 600
enemy\yv = -enemy\yv
EndIf
End Function
Function TestKeys()
; Once the left key is pressed, move the player in that direction and decrease the frame
If KeyDown (203)
player\x = player\x - PLAYERSPEED
player\frame = player\frame - 1
EndIf
; Once the right key is pressed, move the player in that direction, and increase the frame
If KeyDown (205)
player\x = player\x + PLAYERSPEED
player\frame = player\frame + 1
EndIf
; Once the down key is pressed, move the player in that direction, and decrease the frame
If KeyDown (208)
player\y = player\y + PLAYERSPEED
player\frame = player\frame - 1
EndIf
; Once the up key is pressed, move the player in that direction, and increase the frame
If KeyDown (200)
player\y = player\y - PLAYERSPEED
player\frame = player\frame + 1
EndIf
End Function
Function UpDateBullets()
For bullets.bullet = Each bullet
bullets\y = bullets\y - 5
DrawImage bullets\image,bullets\x,bullets\y
If (ImagesOverlap(enemy\image,enemy\x,enemy\y,bullets\image,bullets\x,bullets\y))
PlaySound explosionsound
Cls
Text 300,300, "Enemy Down! Player Scores..."
player\hits = player\hits + 1
Text 300,312, "Player:\> " + player\hits
Text 300,324, "Enemy :\> " + player\collision
Flip
Delay 4000
; Remove all bullets from the screen
For bullets.bullet = Each bullet
Delete bullets
Next
; Place the positions of the enemy and yourself
player\x = 400
player\y = 400
; Load the player image
player\image = LoadAnimImage("player.bmp",64,64,0,6)
; Now, place the enemy's position
enemy\x = 400
enemy\y = 200
; Provide the velocity range for the enemy
enemy\xv = Rand (-5,5)
enemy\yv = Rand (-5,5)
Return
EndIf
If bullets\y = 0
Delete bullets
EndIf
Next
End Function
Function CollisionCrash()
If (ImagesOverlap(player\image,player\x,player\y,enemy\image,enemy\x,enemy\y))
PlaySound explosionsound
Cls
Text 300,300, "The enemy crashed into you! Enemy Scores..."
player\collision = player\collision + 1
Text 300,312, "Player:\> " + player\hits
Text 300,324, "Enemy :\> " + player\collision
Flip
Delay 4000
; Remove all bullets from the screen
For bullets.bullet = Each bullet
Delete bullets
Next
player\x = 400
player\y = 400
player\image = LoadAnimImage("player.bmp",64,64,0,6)
enemy\x = 400
enemy\y = 200
enemy\xv = Rand(-5,5)
enemy\yv = Rand(-5,5)
EndIf
End Function
Function GameOver()
Cls
For bullets.bullet = Each bullet
Delete bullets
Next
Text 300,300, "G A M E O V E R ! ! !"
Text 300,312, "-----------------------"
Text 300,324, "Final Score..."
Text 300,336, "Player:\> " + player\hits
Text 300,348, "Enemy :\> " + player\collision
Text 0,512, "Press <ESC> to Quit: "
WaitKey
End Function
Yeah, it's the same code as DodgeFlight, but I'm making an "RPG-Shooter" hybrid out of it now, just getting away from that flight thing altogether. It's gonna be called "Plasmorg." Weird name, but once you play it, you'll understand why I call it that, that is, once this "Illegal Memory Address" is resolved. |
| ||
When you load your images,
player\image = LoadAnimImage("player.bmp",64,64,0,6)
check that player\image does not equal 0 and that there are 6 frames in the image strip. If you could post the media too it would help in tracking down the problem. |
| ||
Okay, here's that little "Star of Combat" right here:  |
| ||
| I never had a "Illegal Memory Address", are you sure? Or do you mean "Memory Allocation Violation" ? Well first make sure to use Version 1.91. Then whenever a MAV pops up turn on the Debugging Mode and run it again, this may give you a more detailed information about the error. If you cannot find the error this way start using Debuglog at various positions inside your code to find the line that causes the error. You may also simply use "End" instead to find the line that causes the error. |
| ||
Well, the proof is in the pudding. Sorry about this being so small, but that's ImageShack for ya. |
| ||
| Not sure it matters but why do you keep reloading player.bmp? Can't see anything on the screenshot either. Finally, did you check player\image is populated as suggested by Shambler? |
| ||
| Iron bob, I fonud that i get problems with animation stips that are an exact fit for the frames, IE, With your frame above, I would add another frame (or two) blank on the end of it. Strange, but worth a try? |
| ||
| I think I've had something similar when trying to implement animated surface brushes, but I put it to one side and haven't revisited it. I'll give Cygnus's suggestion a go and see if that helps. |
| ||
| Yeah, I added a blank frame, and it still does that. I'm sort of wondering if you can't mix animations in the background and the player at the same time. Maybe I need some rewriting of the code, I dunno. I'll have to sit down with this one tomorrow, I'm a bit bushed, had to put in a full day due to the President's Day holiday yesterday. I'm lucky I even have energy tonight to post. |
| ||
Your player\frame is getting to -1 and that is why it is crashing hereDrawImage player\image, player\x, player\y, player\frame The reason why it goes to -1 is that you call the function 'TestKeys()' which alters the frame number but you are not checking if the frame has gone <0 or >5 before the DrawImage command. I would put the code which checks the frame number at the end of the TestKeys() function. Currently you are doing the check after the DrawImage command and you are doing it twice... ; Once the frame exceeds its maximum value, reset it to the zero position If player\frame > 5 player\frame = 0 ; One that same token, if the frame is lower than the minimum value, reset it to the middle frame ElseIf player\frame < 0 player\frame = 5 EndIf ; Set the frag limit to 20, and display the final score and game over If player\hits = 20 GameOver() EndIf If player\collision = 20 GameOver() EndIf If player\frame > 5 player\frame = 0 ElseIf player\frame < 0 player\frame = 5 EndIf You are also duplicating the KeyDown tests, once in the main routine and again in the TestKeys() function, I think you have a code skeleton there ;) Running your code in debug mode you should have got an 'Image frame out of range' error. |
| ||
| Ah, yeah, now that makes sense, and that was the culprit. Now it's playing without too much difficulty now. This plays the way it was intended to now. Now that that's done, now it's time to introduce the joystick to the mix (make it play like an XBox game to a point). Maybe the trigger buttons to fire the magic zaps and cast mass-magic casts on the enemies (this is sort of like an RPG/Shooter/Sci-Fi hybrid. It's gonna have a weird theme, even more so than DodgeFlight had. It's gonna look more 3D than ever before, too. It's gonna look like flying through a lava lamp/plasma ball in the background. Looks like a winner of a game theme here. |
| ||
Now I ran into a problem making the enemy animated, the same message came about with this one. Here's the updated code below, and the image of the enemy's animation:
; Plasmorg.bb - This is the source code for the game project, "Plasmorg: Star of Celestial Combat"
; (c)2006, Robert A. Morin, RAM Digital Media
; -------------------------------------------
; First, set the graphics resolution to 640x480
Graphics3D 800,600
; Initialize the default settings for AutoMidHandle and BackBuffer
AutoMidHandle True
SetBuffer BackBuffer()
; Now, load in the images for the background and foreground images
; This first image is the red/purple/magenta smoke in the background
Global redimage = LoadImage("redsmoke.bmp")
; The front image is the yellow/cyan/periwinkle image of smoke
Global yellowimage = LoadImage("yellowsmoke.bmp")
; Now, load in the spooky background sound in the background
Global backsound = LoadSound("background.wav")
Global bulletsound = LoadSound("zapper.wav")
Global magicsound = LoadSound("magic.wav")
Global explosionsound = LoadSound("explode.wav")
; Now, take a variable to track the scrolling of these images
scrolly = 0
; The following are the constants used for this game
Const PLAYERSPEED = 10
Const ENEMYSPEED = 10
Const NORMALBULLET = 1, MISSILE = 2
; Below, load the type used to move the player's object around the screen
Type player
Field x, y ; These define the coordinates that the player moves on
Field frame ; This defines the frames that are drawn from the animation
Field collision ; This defines the collision done between you and your enemy
Field hits ; These are the hits that you knock down your enemy with
Field image ; This defines the image for the player
End Type
Type enemy
Field x, y ; These define the coordinates that the enemy moves on
Field xv, yv ; These define the velocity that the enemy AI uses
Field image ; This defines the image that the enemy uses
Field frame ; This will define the frames used in the rotation of the enemy when he moves
End Type
Type bullet
Field x, y ; These define the coordinates that the bullet takes
Field image ; This is the image definition for the bullet
Field bullettype ; This defines whether you have a short spike or a magic brick block
Field frame ; This defines the frame for the animations when the bullet or missile is fired
End Type
; Now, the following will create the player for the game
; Provide the starting values for the player and the enemy
Global player.player = New player
player\x = 400
player\y = 400
player\frame = 0
player\collision = 0
player\image = LoadAnimImage("player.bmp",64,64,0,6)
Global enemy.enemy = New enemy
enemy\x = 400
enemy\y = 200
enemy\xv = Rand(-5,5)
enemy\yv = Rand(-5,5)
enemy\image = LoadAnimImage("enemy.bmp",64,64,0,8)
enemy\frame = 0
; Start playing the sound while the background loads
LoopSound backsound
PlaySound backsound
; Below starts the main loop for this part of the program
While Not KeyDown(1)
; Next, make sure that the screen is clear before setting the smoke
Cls
; Now, tile the red smoke below, and the brighter smoke on the second layer
TileImage redimage,0,scrolly
TileImage yellowimage,0,scrolly*2
; Increase the value of the scrolly variable
scrolly = scrolly + 1
; Once the tracking variable exceeds the maximum value, reset it to 0
If scrolly >= ImageHeight(yellowimage)
scrolly = 0
EndIf
; Display the image's coordinates for his movements
Text 0,0, "X Coord:\> " + player\x
Text 0,12, "Y Coord:\> " + player\y
Text 0,500, "PLAYER SCORE:\> " + player\hits
Text 0,512, "ENEMY SCORE :\> " + player\collision
TestEnemyCollisions()
TestKeys()
CollisionCrash()
If KeyDown(57)
bullets.bullet = New bullet
bullets\x = player\x
bullets\y = player\y
bullets\image = LoadAnimImage("bullet.bmp",12,12,0,4)
bullets\bullettype = NORMALBULLET
bullets\frame = 0
PlaySound bulletsound
EndIf
If KeyDown(14)
bullets.bullet = New bullet
bullets\x = player\x
bullets\y = player\y
bullets\image = LoadAnimImage("block.bmp",32,32,0,4)
bullets\bullettype = MISSILE
bullets\frame = 0
PlaySound magicsound
EndIf
UpDateBullets()
; Below is the enemy's image specifications
enemy\image = LoadAnimImage("enemy.bmp",64,64,0,8)
If enemy\frame > 7
enemy\frame = 0
ElseIf enemy\frame < 0
enemy\frame = 7
EndIf
; Move the enemy in the same direction as the player does, thus, trying to crash into him
If player\y > enemy\y
enemy\y = enemy\y + ENEMYSPEED
enemy\frame = enemy\frame - 1
EndIf
If player\x < enemy\x
enemy\x = enemy\x - ENEMYSPEED
enemy\frame = enemy\frame - 1
EndIf
If player\y < enemy\y
enemy\y = enemy\y - ENEMYSPEED
enemy\frame = enemy\frame + 1
EndIf
If player\x > enemy\x
enemy\x = enemy\x + ENEMYSPEED
enemy\frame = enemy\frame + 1
EndIf
; The following will keep the enemy in motion and try to fly around you, and collide into you
enemy\x = enemy\x + enemy\xv
enemy\y = enemy\y + enemy\yv
; Once the enemy reaches the edges of the screen, move him back into range
If enemy\x <= 0
enemy\x = 0
ElseIf enemy\x >= 800
enemy\x = 800
EndIf
If enemy\y <= 0
enemy\y = 0
ElseIf enemy\y >= 600
enemy\y = 600
EndIf
; Now, draw the images of both you and the enemy
DrawImage enemy\image, enemy\x, enemy\y, enemy\frame
DrawImage player\image, player\x, player\y, player\frame
; Once the left key is pressed, move the player in that direction and decrease the frame
If KeyDown (203)
player\x = player\x - PLAYERSPEED
player\frame = player\frame - 1
EndIf
; Once the right key is pressed, move the player in that direction, and increase the frame
If KeyDown (205)
player\x = player\x + PLAYERSPEED
player\frame = player\frame + 1
EndIf
; Once the down key is pressed, move the player in that direction, and decrease the frame
If KeyDown (208)
player\y = player\y + PLAYERSPEED
player\frame = player\frame - 1
EndIf
; Once the up key is pressed, move the player in that direction, and increase the frame
If KeyDown (200)
player\y = player\y - PLAYERSPEED
player\frame = player\frame + 1
EndIf
; Once the frame exceeds its maximum value, reset it to the zero position
If player\frame > 5
player\frame = 0
; One that same token, if the frame is lower than the minimum value, reset it to the middle frame
ElseIf player\frame < 0
player\frame = 5
EndIf
; Set the frag limit to 20, and display the final score and game over
If player\hits = 20
GameOver()
EndIf
If player\collision = 20
GameOver()
EndIf
If player\frame > 5
player\frame = 0
ElseIf player\frame < 0
player\frame = 5
EndIf
; Allow for a brief delay
Delay 100
Flip
Wend
; This officially ends the program loop
Function TestEnemyCollisions()
; Reverse the enemy's velocity if he hits an edge of the screen
If enemy\x < 0
enemy\xv = -enemy\xv
EndIf
If enemy\x > 800
enemy\xv = -enemy\xv
EndIf
If enemy\y < 0
enemy\yv = -enemy\yv
EndIf
If enemy\y > 600
enemy\yv = -enemy\yv
EndIf
End Function
Function TestKeys()
; Once the left key is pressed, move the player in that direction and decrease the frame
If KeyDown (203)
player\x = player\x - PLAYERSPEED
EndIf
; Once the right key is pressed, move the player in that direction, and increase the frame
If KeyDown (205)
player\x = player\x + PLAYERSPEED
EndIf
; Once the down key is pressed, move the player in that direction, and decrease the frame
If KeyDown (208)
player\y = player\y + PLAYERSPEED
EndIf
; Once the up key is pressed, move the player in that direction, and increase the frame
If KeyDown (200)
player\y = player\y - PLAYERSPEED
EndIf
End Function
Function UpDateBullets()
For bullets.bullet = Each bullet
bullets\y = bullets\y - 5
bullets\frame = bullets\frame + 1
If bullets\frame > 3
bullets\frame = 0
ElseIf bullets\frame < 0
bullets\frame = 3
EndIf
DrawImage bullets\image,bullets\x,bullets\y,bullets\frame
If (ImagesOverlap(enemy\image,enemy\x,enemy\y,bullets\image,bullets\x,bullets\y))
PlaySound explosionsound
Cls
Text 300,300, "Enemy Down! Player Scores..."
player\hits = player\hits + 1
Text 300,312, "Player:\> " + player\hits
Text 300,324, "Enemy :\> " + player\collision
Flip
Delay 4000
; Remove all bullets from the screen
For bullets.bullet = Each bullet
Delete bullets
Next
; Place the positions of the enemy and yourself
player\x = 400
player\y = 400
; Load the player image
player\image = LoadAnimImage("player.bmp",64,64,0,6)
; Now, place the enemy's position
enemy\x = 400
enemy\y = 200
; Provide the velocity range for the enemy
enemy\xv = Rand (-5,5)
enemy\yv = Rand (-5,5)
Return
EndIf
If bullets\y = 0
Delete bullets
EndIf
Next
End Function
Function CollisionCrash()
If (ImagesOverlap(player\image,player\x,player\y,enemy\image,enemy\x,enemy\y))
PlaySound explosionsound
Cls
Text 300,300, "The enemy crashed into you! Enemy Scores..."
player\collision = player\collision + 1
Text 300,312, "Player:\> " + player\hits
Text 300,324, "Enemy :\> " + player\collision
Flip
Delay 4000
; Remove all bullets from the screen
For bullets.bullet = Each bullet
Delete bullets
Next
player\x = 400
player\y = 400
player\image = LoadAnimImage("player.bmp",64,64,0,6)
enemy\x = 400
enemy\y = 200
enemy\xv = Rand(-5,5)
enemy\yv = Rand(-5,5)
EndIf
End Function
Function GameOver()
Cls
For bullets.bullet = Each bullet
Delete bullets
Next
Text 300,300, "G A M E O V E R ! ! !"
Text 300,312, "-----------------------"
Text 300,324, "Final Score..."
Text 300,336, "Player:\> " + player\hits
Text 300,348, "Enemy :\> " + player\collision
Text 0,512, "Press <ESC> to Quit: "
WaitKey
End Function
Now the animation of the enemy:  |
| ||
| Now that I'm looking at it, do you think that the velocity values have something to do with it? I'm sort of curious about that now... I even wonder if you can mix animations with AI for the computer, that's what's getting me concerned. To me, it seems like that may be the problem, if the enemy's trying to follow you around, there's obviously no way that the CPU can rotate the enemy around while he's chasing and dodging into you, that would be cool if he did (sort of like an asteroid or something like that). |
| ||
| This is a similar problem, you are adjusting the enemy\frame value but you are not testing the result in the right place. Just move the test to here ; Move the enemy in the same direction as the player does, thus, trying to crash into him If player\y > enemy\y enemy\y = enemy\y + ENEMYSPEED enemy\frame = enemy\frame - 1 EndIf If player\x < enemy\x enemy\x = enemy\x - ENEMYSPEED enemy\frame = enemy\frame - 1 EndIf If player\y < enemy\y enemy\y = enemy\y - ENEMYSPEED enemy\frame = enemy\frame + 1 EndIf If player\x > enemy\x enemy\x = enemy\x + ENEMYSPEED enemy\frame = enemy\frame + 1 EndIf If enemy\frame > 7 enemy\frame = 0 ElseIf enemy\frame < 0 enemy\frame = 7 EndIf Also you still have the duplicate testing of the keys and the duplicate checking of the player\frame value in there. |
| ||
| Okay, that fixed things. I also tried code that you can be shot down and the enemy scores if you trip over your own bullets, too. Unfortunately, this also means that once you shoot, you will shoot yourself down right away, which isn't what I was intending. I wanted this, so that if you are chasing the enemy around, if you run into your bullets before they go off the screen, the bullet will hit you or the enemy. If the bullet hits you, it's just like the enemy crashing into you, he will score. That may be impossible to code the bullet to penetrate you well after you shoot it, not right when you shoot it on contact. Also, I believe that setting about three different difficulty tiers won't be out of the question, either. Like, to increase the speed of the bullets and the enemy when you select a more difficult round. Might want to consider programming this around my joystick, make it play like an XBox or PS2-style game, all that should make this game complete once and for all, just need a title screen, a menu, and maybe more enemies to shoot at, then we got it going gold. |
   |