Game Programming :: Paint Images Asynchronously Using A Background Worker
Dec 15, 2010
All my paint calls are under OnPaint event of the form. my game is getting laggy so i was wondering if theres a way to paint images asynchronously using a background worker.
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Dec 6, 2008
im making a 2D game which involves things to paint onto the form at different times. how can i do this? ive tried this
[code]...
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Nov 12, 2009
Ok I'm trying write a simple 2d game. I have a base class to render the game sprites. It uses the forms graphics object to update the scene. The problem is it will draw only one picture then it seems like the onpaint event isn't raised again to update it. How do I use the raiseevent method to make a call to the onpaint method. Here is the code so you can understand a litte what I am doing. TYVM
[Code]...
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Feb 1, 2010
I am trying to make a game which basiclly lets you shoot ducks. i have a picture as a background (set as form image) i then have picturebox's with ducks flying flying around you shoot them the disapear etc.
My problem is the image. i have a picture of a duck and a blue square round it. and i would liketo make it transparant because birds dont fly with blue squares.
Below is an image to illistrate my problem
I have tried adding transparent background, transparant key etc
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Jul 5, 2010
I have been working on an rpg for a while now and iv been experimenting with different ways to get the background to move with the character. I dont have any directx experience at all so im trying to stay away from using it so my question is, if i design a 2d background in photoshop is there any way id be able to insert the entire picture in a picture box and have the character always remain in the center of the screen as the background follows him. my one idea is to make the background image bigger than the picture box and have the picture box some how follow the character.
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Mar 11, 2009
I have the following code that adds a background worker into a VB.net WPF project:
Imports System
Imports System.ComponentModel
Imports System.ComponentModel.BackgroundWorker
[Code].....
And I get the following error for the DoWork worker event:
Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
It seems like it's missing something in the Event declaration, but can't find it.
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May 3, 2012
I am using query from a SQLite database as the AutocompleteCustomSource for a ComboBox. Also, I want to load data in separate thread. My LoadData method works fine when called directly, but it fails when it is called from the BackgroundWorker thread. When it is called from the background thread, it throws a Specified cast is not valid exception on the csearch.AutoCompleteCustomSource.Add(hh("Taj")) line. Below is my code:
Sub LoadData()
Dim connetionString As String
Dim cnn As SQLiteConnection
[Code].....
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Apr 2, 2008
im trying to make a game in visual basic in which your character can move around, jump, and kill things. I can get the picture box with the character to move and everything is fine. but i did run into one problem. when the character moves over a tree (or something) you can see the gray backround of the character as i made in paint. how do i make the backround of the picturebox transparent?
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Oct 3, 2011
Im new to VB. how do I get to add the score.my code is
[Code]...
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May 4, 2011
I have created a scrabble game that generates random letters. For the user to type in a word using the random letters they have to type it in a text box.
I want my program to prevent users from typing in letters that are not provided in the text box and to allow them to type in the random letters that are provided.
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Feb 16, 2011
I'm trying to make a simple fruit machine game for windows mobile device.
I can create the game easily enough and flip through pictures in a picture box to display the correct symbol.. but what I'd like to do is do a proper spinning reel, but have no idea where to even start.
What I have is a list of images in an imagelist (or individual files) - what I'd like is them attached to each other and moving downwards, preferably as though it were going around a drum but just them moving would be a start.
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Apr 18, 2012
On programming assignment without having any real experience in vb. I guess I don't understand subroutines that well. When the program runs it never goes to the computer's turn and does not update the users score either. This assignment is already in but would like to know what is going wrong. Using VB 2010, and this is windows application.
Code:
Public Class Form1
Dim Myturn As Integer
Dim Computerturn As Integer
[CODE]...
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Apr 30, 2011
Upon changing the field size a game should restart. Upon trying to do so I see the previous grid (e.g. 10x10) displayed on top of the new one (e.g. 4x4). How would I prevent this and indeed start the game fresh?
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Feb 4, 2011
So here is my problem. I have a vb game with animated sprites and all, and the character even jumps. However it only works in the y direction. So if i'm moving, he stops in place and jumps, instead of jumping forward. I was wondering if someone knew how to make him move at the same speed forward during the jump.
[Code]...
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Apr 19, 2011
I currently have a who wants to be a millionaire game that I have made in visual basic 2010. Each question is in its own form. Form1 opens at the start, and question 1 is opened by a button click on Form1. The user has to click on the picture box at the side to show the text for the question each time. If they answer incorrectly, it displays a message box, opens an input box asking for their name, and goes to the form with the high score list, Form17.
Upon opening Form17, I want the scores to load and be displayed in the list box. The high scores are saved in a text file at C: est.txt . Upon clicking menu or end, the high scores are saved to the text file.
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Apr 1, 2009
I m writing a video poker style game. the form consists of the player's 5 cards, a deal button, a hold button for each card, a button to select amount to play that hand. im using Visual Basic 2008 Express Edition.
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Apr 18, 2010
im struggling to work out the code for 3 of a kind in my yahtzee game, i think that if i can work this out i can sort my everest of the full house code!
can someone tell me where ive gone astray?
code:
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Jun 4, 2012
I am all new to Visual Basic 2008, I am trying to create a picture shuffle game, the problem is I cant seem to be able to move one picture from PictureBox1 to PictureBox2 onClick, here is a Code I written earlier:Sub ChangePicture(ByRef P1 As PictureBox, ByRef P2 As PictureBox)
[Code]...
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Sep 11, 2009
Is there any visual basic 2005/2008 RPG games with the source code available for download.Could you possibly reply to this post with a link to the website with the game.Or is there a template i could use to try create a zombie style RPG game text or graphical.
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Jun 3, 2010
I am developing a very simple game in visual basic 2008: a roulette. And yet I found problems in develop it.My question is this: I have an image ,containing all the roulette's numbers and I want to associate the spaces of the different numbers to different buttons, so that which time I click in a certain number on the image it dos some action.How can make this association of the different spaces in the image and different buttons?
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May 14, 2012
basically i'm trying to move the Player by rotation.I have a perfect rotation system that works with a custom picturebox control that supports rotation that i have.
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Jun 10, 2012
So I pretty much built the game, that was the easy part. I am having trouble entering a name on my first form(startup) and keeping track of the score on second form(game) and displaying it both combined on the first page with the current users score. Also the way it set up now if you are running the game for the first time it says can't find LowScores.Text. Start Up
CODE:
CODE:
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Jun 6, 2011
I just finished my own snake game, and I need some recommendations on how to make this game better.If you see a problem, please tell me.The only problem with this game is that I can't get the code to get longer, other then that its good.EDIT: Sorry I meant : The only problem with this game is that I can't get the SNAKE to get longer, other then that its good.
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Nov 16, 2008
I have been making a game similar to mario for learing perposes. I got the sprite to move left right up down but I still have no gravity nor can I jump. But i need to know how to make it so that my sprite dosent go through objects?
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Mar 31, 2009
I'm making a game engine, its coming along pretty nicely, but I'm having trouble with collision detection.. This will be a platform game..I'm using GDI+ for my rendering.My rendering engine, basically draws upon a sprite class I wrote, this class is getting pumped into a collection, then I'm using a for loop to draw the images in the collection..
Code: Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Try For i As Integer = 1 To SCollection.Count Step 1 Dim Image As New Bitmap(DirectCast(SCollection.Item(i), clsSprite).Filename)
[Code]...
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May 21, 2010
I am trying to create a card game on microsoft visual studio 2008. But i am finding it tricky to get the right codes for the generating button. The button wiill display three random playing card suites and when all three match the user is declared the winner.
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Jun 3, 2011
Have attached the code so far and would like to be able to rotate my car sprite through 360 degrees and have it move in diagonal fashion.
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Sep 8, 2008
okay so here's the go. i have to design the inventory system for a game and one of the things it has to be able to do is combine items together. the way i went about this was to give each item a binary ID (1,2,4,8,16,32,64,128) so that no item has the same ID. the cool thing about this is that you can combine items together and get a new unique ID like this:
if you have an item Stick with ID 8 and an item string with ID 16. you can say that these two combine together to create a bow with ID 24 (8+16).you can reverse the process and find out that the bow is made up of a stick and a string since there is only ONE way you can get the ID of 24 using binary.hope that makes sense, some of you have probably seen it before anyway the problem i found out with using this is that you can only have about 31items before the binary ID's get too big when using the 'long' type in vb.net, and that's not enough.
one suggestion was to use Hexadecimal. another i liked was something about creating a class that would manage several long data types linked together to create as many ID's as i needed. but i didnt fully understand this one enough to implement it
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Dec 9, 2010
I read the boundary thread and I think im still lost on how to do this but my goal is to set boundaries so the snake doesnt just keep going off the screen, also how to set a boundary up so the snake cannot hit itself (like in the original snake game)
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Jul 15, 2011
I'm writing an application in Visual Basic Express 2008, part of the function being to walk through a folder structure starting from a user specified folder. In my research, I found this thing called a background worker which seemed an appropriate tool to use given the potential size of a target folder structure. I successfully installed the two examples from the library here, and believe I understand the principles involved. Even so, having tried to build this feature into my application, it seems as though it is not working as expected, and, as predicted, debugging a multi-threaded application is a pain in the extremity.
I have this fragment under my "start" button click event -
HomeSource.Enabled = False
HomeCopy.Enabled = False
HomeReport.Enabled = False
[Code].....
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