Collision Detection And Bouncing Off?
Apr 28, 2009
I am trying to do simple collision detection in VB.NET using picture boxes, I have a fixed picturebox, (colour Green), and a moving picturebox, (colour Red). I can manage the collision detection OK, but how do make the movingpicture box bounce off the fixed picturebox and at the right angle? In the following code the moving picturebox sometimes passes right through the fixed one, but not everytime.
ublic Class Form1
Private RedXSpeed As Single = 5
Private RedYSpeed As Single = 5
[code].....
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Aug 22, 2009
What is the best way for collision detection? I keep trying but I have failed every time.I want my player to not be able to go through my pictureboxes/obstacles from ALL sides.I have 2 player movement down but now I need collision detection. I am trying to save player2's location with a timer using a variable for the location then check if player2 (picturebox2) intersects with picturebox3. If it does then picturebox2 will go back to the location.
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Nov 8, 2009
I need help with collision detection in visual basic. I am trying to detect when a picture box hits another picture box. The code I'm using is very simple because I'm very much a beginner.
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If Math.Abs(PictureBox2.Left - PictureBox1.Right) And Math.Abs(PictureBox2.Top - PictureBox1.Bottom) Then
MessageBox.Show("You Are Dead")
End If
End Sub
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Feb 23, 2012
Let me just start off saying that I'm generally new to all programming so if my coding is painful to read I understand. I am currently working on a project that relies on perfect or near perfect collision detection, and I'm not sure whats wrong but sometimes the object being moved completly passes through the object it is supposed to collide at. Here's my coding relating to collision detection so far:
[Code]...
Also, the object, toon, is set to jump with a timer at an interval of 45. Any input regarding how I could make the overall collsion detection better or if I didnt provide the right section of code let me know.
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Dec 21, 2011
i have 3 PicBoxes on a form. PicBox1=sprite PicBox2=Block1 PicBox3=Block2 I have figured out sprite movement on key down and have figured out simple collision detection for all 4 sides of Block1. My question(s) are:
is there an ideal way to create a method that can be called to handle the collision for all future PicBox's added instead of writting code independently for each key press and each NewBlock along with all 4 sides of the NewBlocks?If I created 100 PicBoxes as obsticles too create a maze type game for my Sprite to navigate through?
[Code]...
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Apr 7, 2012
I'm designing a system to detect whether a projectile arc impacts a stationary square target. However, the detection is very limited and only seems to work if I use a while loop and a very large area, whereas if possible I'd prefer to animate it using a for loop and have the target somewhat smaller.Here's what I have at present:
Private Sub Timer2_Tick(sender As System.Object, e As System.EventArgs) Handles Timer2.Tick
If (Not errorState2) Then
[code].....
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Nov 7, 2011
I am currently working on a game with collisions. I am using a picturebox with an animated gif in the Image property. I am currently using the following function call to detect collision:
pictureboxPlayer.Bounds.IntersectsWith(pictureboxOfBadGuy.Bounds)
When an pictureboxOfBadGuy collides with some of the whitespace of my picturboxPlayer the above line returns true. Does anyone know if VB has detection for images within a pictureBox.
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May 22, 2010
I want to be able to do collision detection with graphics and a picturebox. I have a character that is moving on the screen and I have drawn both the background and the character using graphics. I have put a picturebox in place of the block that is suppose to be like a square which the character has to jump over. How would I do this?
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May 29, 2010
I have two rectangles; a character and a block. The character is suppose to jump onto the block and then either jump off it or walk off it. I am really getting frustrated with this because I cannot get it to work.
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Jul 1, 2010
I have two questions.
1- I have two labels on a form, that I want to move randomly in the form. How can I do that?
2- How to work with collision detection in VB?
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Feb 25, 2012
I'm trying ot make a top down rpg, or pokemon like game, but I can't find any proper tutorials for collision detection. I have found one, but when I did it it doesn't seem to work properly, and I get errors everytime I go to the edge of the form. What I can do to make good collision detection for walls?
HTML Code:
Public Class Form1
Public Level1 As New clsLevel()
Public Dude As New clsSprite(Level1)
Dim CanWalk As Boolean = True
[Code] ......
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Aug 11, 2010
I have loaded two mesh's from .x files onto the screen, a map and a sprite. The sprite moves around, but because they aren't colliding the sprite goes straight through the mountains, and straight over the undulations. I have looked for a way to find the co-ordinates of a particular spot on the mesh, as I figured by finding the X and Z co-ordinates of the sprite, I could just set his Y co-ordinate to be the same as the map, and he would 'stick' to the ground... however I don't know if this is possible, and I haven't found it yet.
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Aug 28, 2009
I'm using DirectDraw to create a (very) simple little movement game... (so far not really a game, but hey, gotta start somewhere) And I'm having a little trouble with my collision detection... ok, it's probably not conventional collision detection, but I'm just learning so far...I have a few surfaces set up etcetc, and have animated a sprite on a tile based background... but the problem is whenever I collide with a certain tile (which I've set as unpassable) from the top or the left, it screws the position of my player immensely... this is quite a headache as I can't seem to see a problem...
ps. Another thing, I can't seem to be able to open my pictures without using the entire directory.
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Dec 28, 2010
Basically, i'm creating a space invaders like-game that is 2D Mario-themed (sprites used). I am using a panel for my enemies and Mario is being controlled by the movement of arrow keys and space button shoots.The problem is I can not make my bullets collide with the enemies to make them disappear.This piece of code is what i've got so far with the collision detection :
'*******************************************************************************************************
' Collision occurs whenever the pctShoot(podoboo) hits any of the enemy
' When blnTrue, both pctShoot and the enemy disappear '*******************************************************************************************************
[code]....
While I'm at it, i have another question in concern; but this is not really related to collision but:How do you make an object move down automatically using a timer but make it appear randomly??Like any space invader game, the enemies are shooting back at the hero to make it appear more challenging right?
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Jan 12, 2010
Lately I have been making a platformer game, just to experiment and see how it would work, and after making two very basic levels I realized that it would take a lot of code to include several or more platforms.
[Code]...
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Dec 7, 2010
how to do collision. my previous attempts involved trying to see if the player was touching -any- non-collidable object, but i've reversed it so that objects themselves detect if the player is interacting with them and respond appropriately. i still cannot find a way to completely stop the player from walking into walls, but this is what i have so far.
Public Class mymap
'movement function/class/etc?
Private Sub mymap_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
Dim Loc As Point
[code].....
is there a way to put a sub in a sub? see notes in the code above and hopefully you'll see what i mean.d last of the craziness, are global variables possible? i can't seem to find a tut on them. in the passable sub it doesn't recognize the tiles variable and says it isn't declared, though it is declared in the hedge1 sub.
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Dec 28, 2010
i've looked up several tutorials on what i should do to create a collision detection, but im not too positive on how to function my ideas and convert them to code.Basically, i'm creating a space invaders like-game that is 2D Mario-themed (sprites used).I am using a panel for my enemies and Mario is being controlled by the movement of arrow keys and space button shoots.The problem is I can not make my bullets collide with the enemies to make them disappear. This piece of code is what i've got so far with the collision detection :
Code:
'*******************************************************************************************************************************************************
' Collision occurs whenever the pctShoot(podoboo) hits any of the enemy
' When blnTrue, both pctShoot and the enemy disappear
[code].....
While I'm at it, i have another question in concern; but this is not really related to collision but:How do you make an object move down automatically using a timer but make it appear randomly?Like any space invader game, the enemies are shooting back at the hero to make it appear more challenging right?(using Visual Basic 2008)
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Mar 11, 2009
Im trying to make a bouncing picture box thing, here is what i got
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim Speed As Single = 25 ' Ball Speed
Dim rndInst As New Random ' Random Instance
[CODE]...
I have no errors, but the picture box is not bouncing.
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May 14, 2011
I am trying to make a Bouncing ball, not with an ovalshape but with a graphic. This is the code so far.
Public Class Form1
Private r_index As Integer
Private startx As Integer
[code].....
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Feb 13, 2010
Write an application that allows the user to play a game, in which the goal is to prevent a bouncing ball from falling off the bottom of the Form. When the user presses the S key, a blue ball bounces off the top, left and right sides (the �walls�) of the Form. A horizontal bar on the bottom of the Form serves as a paddle to prevent the ball from hitting the bottom of the Form. (The ball can bounce off the paddle, but not the bottom of the Form.) The user can move the paddle using the left and right arrow keys. If the ball hits the paddle, it bounces up, and the game continues. If the ball hits the bottom of the Form, the game ends. The paddle�s width decreases every 30 seconds to make the game more challenging.
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Dec 30, 2009
I am now trying to make a bouncing ball in vb 2008, ofc i looked at some guides first to see how they built their codes
Public Class Form1
Dim m_Dx As Integer
Dim m_Dy As Integer[code]....
As you see there are many variables
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Jan 10, 2010
in creating a bouncing Picture Box Control.I want the picture box control bounces top-bottom tried like this
picturebox1.top=top+3
picturebox.top=top-6
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Jul 7, 2010
I have a timer that bounces the ball around. It has 2 separate parts, one for bouncing off the wall and paddle, and one for hitting a block.It touches the block and the block is suppose to disappear, it then bounces away and should not bounce where the block is again because it is gone ,So basically the problem I'm having is, every time I add a line that tells it not to bounce off the block if it is not visible, it hits the top of the block (which is the side I'm testing) and seems to get stuck on a horizontal line and just bounces left and right.Here's my timer code.
vb
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
'This top line below reads the last 'thespeedx/y' value and applies it to the new location information of the ball (which will be called shpcircle) This determines the direction, based on a constant speed[code].....
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Apr 29, 2012
I have to make a bouncing ball game application. all the code is given to me except for code to move the paddle left and right, and code to start the game. i have to write an if...then statement in a keydown event handler that tests whether the user presses the s key. i then have to add an elseif statement that tests whether the user pressed the left-arrow key and whether the paddle's horizontal position (rectangleX) is greater than zero. if the paddle's horizontal position equals zero, the left edge of the paddle is touching the left wall and the paddle should not be allowed to move farther to the left( i am not sure how to do this part). if the conditions are true in the if then statement, the paddle's x-position should decrease by 10. then i need an elseif statement that tests whether the right arrow key is pressed and whether the paddles x-coord is less than the width of the form minus the width of the paddle. if it equals out the paddle should not be allowed to move farther right. if both conditions are true the paddles x-coordinate is increased by 10
This is the code i have written:
Private Sub BouncingBallForm_Keydown(ByVal sender As Object, _
ByVal s As System.Windows.Forms.KeyEventArgs) _
Handles BouncingBallForm.Keydown
[CODE]...
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Oct 17, 2010
I am currently using the Visual Basic 2008 Express Edition. Assuming that I've created 2 lines at runtime, what's the most efficient way to perform the collision-checking event?
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Apr 29, 2009
I want to check if one picture box is touching or IN another picture box, and I'm not to sure how to do it.
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Jun 18, 2012
In my code i used a button to create a picturebox & it can move. I want to avoid overlapping of any pictureboxes created in the form.i used timer for it but i am having a trouble to avoid overlapping & i cant apply array in the intersectwith().
[Code]...
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Apr 4, 2012
I'm building a maze application in visual basic. The game relies on two variables, X and Y which are integers. There's a timer which basically invalidates the whole form for a redraw. Now my question is, that there are various squares and rectangles dotted around the form. How would I create a handler, or something as such to detect if the square that the form draws is touching these objects?[code]...
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Jun 21, 2012
How To Have A Collision In VB.net XNA Using VB.net Codes And Format. Doing Collision In Normal Windows Form Application Is Simple By Calling Two Picture Box. Example:
If(enemyRectangle.Intersects(p�layerRectangle)) Then
'Do code here
end if
But In XNA VB.net, There Are No Multiple Picture Box Or Windows Forms Thingy Buy Only One Picture Box Which Contains All Sprite Block And Display.
Here Is The Class Content Code:
Public Class clsContent
Public Class GameContent
Public Content As ContentManager
Private ServiceHelper As New ServiceHelper
[code]....
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May 23, 2010
Ok i need a code that when one picturebox hits another it will say collision.
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