My first REAL project a 2D Adventure game
Blitz3D Forums/Blitz3D Beginners Area/My first REAL project a 2D Adventure game
| ||
| Ok, i know i'm missing somthing... I'm gonna atempt to make my first game, for those who have helped me with my first ever project, a Breakout clone. That showed me the basics of programming operators (+,-,>,<,=>,=, Ect..) functions, some types... and the "IF THEN" and stuff like that... now i want to make somthing everyone can enjoy, (stupid me for making a game that can only fit my huge screen). I want to use this thread if i get stuck and cant get out. now, i have 2 things i'v been pondering: How to make a room, i'm sure you guys have played SNES games like zelda ect, now my guess is the map is a backround image, and you some how set collisions up with parts of the map. lets say i have a map that looks like this: !@#$!@#$!@#$ #@$---------!@# !@#----------!@# !@##------@!@# !@#!@#!@@#@ the odd signs are walls, the "-"'s are the walking space this whole thing is a image, how would i make it so i cant go through areas? second of all... Real time rotation... lets say i have a image i want it to face DOWN,UP,LEFT, and RIGHT when the right keys are pressed. E.G: If you press the right arrowkey [->] the image faces right, and goes right then when you let off it stays in the right possition until a nother key is pressed... HOW?!!? i tried a few things... no avail... |
| ||
| When a key is pressed, use imagescollide function between your bloke at the position he would move to and the background image. You may have two images for the background- one with all the screen images, including background and platforms, and one with just the platforms and collidable stuff that you use only for collision test. |
| ||
| Ok... what about the directing of the image or bloke..? i guess i could make 4 images and rotate them differently then pick what one to draw based on the key press, but is there a easer way to make 4 images? could i do a loop that creates 4 images? but then how would i name them differently... its all so confusing... |
| ||
Ok, i'm having a problem with a "Toggle switch" basicly if you hit R then run mode is on... and if its on and you hit it, run mode is off... heres the code:If KeyHit(R) And runmode=1 Then runmode=2 Else If KeyHit(R) And runmode=2 Then runmode=1 End If sounds right.. what am i doing wrong... feel free to laugh ... but then tell me what i'm doing wrong... edit, and i did make a veriable called R=19, it works because i can turn it on, but not off.. |
| ||
| You should use a boolean for your runmode var, it would be more logical, and much easier. |
| ||
| This would work but the way i have it set up now, the runmode is how many pixels the image moves... If keydownblahblah Player_y=Player_y+runmode |
| ||
If KeyHit(R) And runmode=1 Then runmode=2 Else If KeyHit(R) And runmode=2 Then runmode=1 End If it works because i can turn it on, but not off.. EDITED FOR CLARITY: It fails because the second Keyhit(), if it happens, is asking "Has R been hit since the last check?". The player would have to press R twice EXCEEDINGLY quickly for that to ever be true. Truncate it to one check:
If KeyHit(R)
if runmode=1
runmode=2
else
runmode=1
endif
End If
Which can be further reduced to... If KeyHit(R) then runmode=3-runmode |
| ||
| Ok, that works perfectly, thanks. now back to a bigger problem... i made a image called playeru that is a sqaure with a line poking out of it (for seeing the direction) now i did copy image 4 times naming the other 3 images playerd,playerr,playerl and rotated them accordingly, and made them draw depending on what key is pressed, how do i make it remember what the last key was pressed and keep drawing that image untill a nother key is pressed in that case draw the new image? Edit mabye some code may help: mainpage.bb AppTitle "2D project","Your leaving? not so fast..." Graphics 800,600,16,2 SetBuffer BackBuffer() Global playerx=380,playery=280,runmode=1 Global playeru,playerr,playerd,playerl Const UPARR=200, DOWNARR=208, LEFTARR=203, RIGHTARR=205, R=19 playeru=CreateImage(20,40) SetBuffer ImageBuffer(playeru) Rect 0,20,20,20,1 Line 10,20,10,0 SetBuffer BackBuffer() playerd=CopyImage(playeru) RotateImage playerd,180 playerl=CopyImage(playeru) RotateImage playerl,270 playerr=CopyImage(playeru) RotateImage playerr,90 While Not KeyHit(1) Cls keycontrols() If runmode=2 Text 0,0,"RunMode = ON" Else Text 0,0,"RunMode = OFF" End If Delay 5 Flip Wend End Include "functions.bb" functions.bb
Function keycontrols()
If KeyHit(R)
if runmode=1
runmode=2
else
runmode=1
EndIf
End If
If KeyDown(UPARR) And playery>0 Then
playery=playery-runmode
DrawImage playeru,playerx,playery
End If
If KeyDown(DOWNARR) And playery<560 Then
playery=playery+runmode
DrawImage playerd,playerx+20,playery+60
End If
If KeyDown(RIGHTARR) And playerx<780 Then
playerx=playerx+runmode
DrawImage playerr,playerx+40,playery+20
End If
If KeyDown(LEFTARR) And playerx>0 Then
playerx=playerx-runmode
DrawImage playerl,playerx-19,playery+40
End If
End Function
Excuse the messy code, didnt have time to comment it or tab it.. |
| ||
| Simply designate a variable for keeping track of the player's direction then draw the player based on that rather than only drawing 'im when a key is pressed. You really need to think about separating your logic from your rendering/drawing. |
| ||
| Awsome, i'm gonna do a bit of code cleaning (Tabbing comenting and reducing the need of lines) I'll let you know if i run into a brick wall again. Thanks for all your help guys |
   |