# Tagged Questions

51 views

### Revert to closest non intersecting position

First, let me start by saying: Please forgive me if this question have already been asked. I've tried to search but didn't find any solution. (It might be due to my lack of terms). I have two ...
380 views

### Why is my Texture becoming slower when it approaches it's destination?

I have a texture drawn on screen. Whenever I click on the viewport it remembers its destination and starts moving towards it, until it is there. This is the code I am using therefore: //Check if ...
106 views

### Farseer Player Movement and Collision

I have added a video link for any one who whats to see what the problems are by watching the game. I am trying to create a player movement system and there are small problems that I am running into. ...
225 views

### Player Movement Systems

I am working on a project were in class my group of students help produce a video game. We are creating a 2D platformer and was trying to make a pixel based system collision witch fell through. Now I ...
93 views

### How can I compute a velocity proportional to the difference between two hand positions?

I'm working on a project with the Kinect SDK and XNA 4. I need take the position of the hands and draw a sprite over it. I'm was doing it directly and because of that I get a "trembling hands" effect. ...
134 views

### How to avoid character to move when selected

I've got a player Class which can walk to a certain point on the screen when left mouse is pressed: if (mState.LeftButton == ButtonState.Released && oldMouseState.LeftButton == ...
258 views

### Implementing smooth 8 directional movement

I have my units that i move around my map with path finding. The units can move in 8 directions, currently i have the units moving around the map with a extremely basic check against the unit's ...
739 views

### XNA Using velocity

Previously when making games I have just been using a Vector2 as the sprites position and altering that for movement, i.e.: if(right key pressed) Position.X += movementspeed * gametime...; ...
89 views

### Rotating sprites

I'm a beginner at making games, i'm currently only working in 2D using XNA. So far all of my games i've been using the following logic for sprite movement: if(left key pressed) sprite_x_position ...
655 views

### How do I move a sprite to the mouse position?

So, I'm trying to make my sprite walk to the X-coordinate of my mouse click. This is my code: currentMouseState = Mouse.GetState(); MouseState mouseState = Mouse.GetState(); ...
267 views

### How can I use triangle picking to determine location of a triangle in world space coordinates?

I am trying to implement point and click movement in my game, but at the moment I am stumped about how I can select parts of a mesh for the player to walk to. So what I have done is I have got a ...
286 views

### How can I normalize a vector if I am handling movment of each axis seperatley?

I am writing a 2D tile based game engine in XNA, and I've recently fine-tuned my collision detection using the answers provided here and more specifically here. The tile based collision detection now ...
193 views

### Figuring out which direction my object is facing on a 2D plane?

My friend and I were messing around in XNA 4.0 making a 2D racing game. Kind of like this one: Ivan “Ironman” Stewart’s Super Off Road. The problem we are having is knowing which direction the car is ...
925 views

### How to make a smooth movement in XNA?

I'm trying to make a nice controls for my game, but I can't achieve enough SMOOTHNESS. if (kbState.GetPressedKeys().Length != 0 && _direction != Vector2.Zero) { ...
478 views

### How to get the height at a position in a triangle

I have a heightmap, and I store the heights in a giant array. However, when I move, it's quite choppy on the Y-axis, so I need a way to get the height at a certain point in a triangle. I currently ...
450 views

### Simulate movement towards the screen in a 2D world

I need to create the illusion of someone kicking a ball to the screen. For that, I have a initial position of the ball (about the middle of the screen), and I put the sprite of the ball scaled at 0.2 ...
692 views

### XNA - move camera over tilemap

I am trying to build a game based on Advance Wars in XNA. I am so far where the tiles are placed on the screen, except here starts my problem. During the game, I ofcourse want to move the camera ...
382 views

### C# XNA 2D Multiple boxes collision detection and movement

Hi, I've been making simple game where you shoot boxes that are coming towards you. All game objects are simple rectangles. Now I have problem with collision detection; how to check where the ...
230 views

### Movement on the X an Z axis are combined?

This is probably a stupid question, but I'm trying to simply move a 3D object up, down, left, and right (Not forward or backward). The Y axis works fine, but when I increment the object's X position, ...
281 views

### XNA move from start position to target position exactly in 3D

If I have a list of positions that map out a path a character should follow. What would be the best way to move at a constant speed to each position making sure the character lands exactly at each ...
490 views

### Circular movement - eliminating speed ups near Y = 0

I have a basic algorithm to rotate an enemy around a 200 unit radius circle with center 0. This is how I'm achieving that: if (position.Y <= 0 && position.X > -200) { position.X -= ...
201 views

### How would a sprite spawn more sprites under themself every second?

I am making a snake game and am having trouble to make the snake go longer, at the moment when I run the program, I just have the snake head eating apples. But I want the snake head(30x30) to spawn ...
1k views

### XNA create differences in enemies

I created an enemy class for my game. It works well, except for one dilemma. When I spawn more than one enemy, eventually they begin to "overlap" and look like one enemy. I was wondering if anyone had ...
2k views

### Rotating a model AND translating it forward in XNA

I have this enemy class, and I want it to 1) Spawn at a certain place Vector3 pos 2) Rotate to face my player position 3) Move forward As this code is now, it will appear at it's specified place: ...
542 views

### Random monsters move in-sync instead of individually

I am making a game in which monsters spawn randomly and begin to move around randomly. I am fairly new at programming but not at game development. Through using a few tutorials I was able to make 1 ...
610 views

### XNA 2D Board game - trouble with the cursor

I just have started making a simple 2D board game using XNA, but I got stuck at the movement of the cursor. This is my problem: I have a 10x10 table on with I should use a cursor to navigate. I ...
1k views

### 2D Topdown Shooter - Player Movement Relative to Mouse

I'm trying to make a topdown 2D space game for my school project. I'm almost done but I just want to add a few little things to make the game more fun to play. if (keystate.IsKeyDown(Keys.W)) ...
587 views

### How can I implement view wobble when my player is running?

I'm creating a FPS in XNA. So far its' going great. What I'm looking at doing is replicating the camera movements that you see in Modern Warfare. So, if you are walking the camera stays pretty ...
410 views

### Move camera on X and Z only

How would you implement movement on a camera in order to always move it on X and Z coordinates, and if the camera has pitch yaw or roll it still moves only in those coordinates and doesn't fly up?
209 views

### I need help with specific types of movement

I'm adding movable crates to my game and I need some help with my movement code. The way I've set up my movement code the crate's X and Y are moved according to a vector2 unless it hits a wall. Here's ...
589 views

### Tried and true basic movement physics (jumping, not walking through stuff)?

If I sat down long enough, I'm sure I could make this happen, but I don't want to reinvent the wheel if I don't have to, especially if XNA has patterns in place for doing this. For now, I'm working ...
650 views

### How do i get my tilemap to move at the same speed as my character

I have a little problem in my solution, i'm trying to make a pretty big map for the players to walk around in. I decided to use a tile-engine, but when I move my character it moves faster than my ...
4k views

### Curved movement between two points

What is a good technique to enable an object to move between to points in a nice curved motion? The end position could also be in motion, such as the trajectory of a homing missile.
3k views

### Oscillating Sprite Movement in XNA

I'm working on a 2d game and am looking to make a sprite move horizontally across the screen in XNA while oscillating vertically (basically I want the movement to look like a sin wave). Currently for ...
637 views

### XNA: How to make the Vaus Spacecraft move left and right on directional keys pressed?

I'm currently learning XNA per suggestion from this question's accepted answer: Where to start writing games, any tutorials or the like? I have then installed everything to get ready to work with XNA ...
14k views

### Moving a sprite in XNA/C#, using vectors

I'm currently looking into XNA game development with the C# language. I have two classes: the main game handler and a "sprite" class. Following is some basic pseudo-code which I hope adequately ...