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1	Java Game APIs & Engines / Xith3D Forums / Re: Shooting a rocket model	on: 2004-05-30 14:56:35
Cool.. Thanks for the advice I'll give it a go..

2	Java Game APIs & Engines / Xith3D Forums / Shooting a rocket model	on: 2004-05-30 12:33:00
Hi, I am using a mouse-look style camera and movement system. I am using 2 vectors; one for my current location and for the direction that i'm facing. I can fire rockets (which are spheres at the moment) in whatever direction I'm facing. The problem is I would like to fire an MD2 model of a rocket instead of the sphere. I can fire the model and it travels in whatever direction I shoot it, but I can't seem to figure out how to make the front of the rocket model always point forward. The rocket is pointing out into the negative z direction, so if i turn around and shoot, the rocket will fire sidewards or with the front pointing towards me (ie backwards!). How can i solve this problem (ie the front end of the rocket should point in whatever direction i'm firing), my 3D maths aint that great!

3	Game Development / Networking & Multiplayer / Re: What type of Networking should i use?	on: 2004-05-04 15:38:04
sweet! I'll take a look - thanks for te input

4	Game Development / Networking & Multiplayer / What type of Networking should i use?	on: 2004-05-04 13:12:32
Hi, I have created a game arena using Xith3D (a terrain game world). I can add a MD3 model to the arena and fire projectiles. I have also implemented a quake style keyboard / mouse look system. Basically my avatar is created using two vectors - one for the current position and one for the current direction you are facing. Each projectile is also made up of those two vectors, I create a new vector to sotre the target position (ie target.sub(currentDirection, currentPosition) then I use a while loop to make my projectile move in the direction it was fired. I would like to play the game over a LAN (just with 2 clients to begin with). I would like to keep things as simple as possible, all i really need the server to keep track of is both players position/direction and the same for when a projectile is fired. Is this the correct way to go about things? I have some experience with java.io. What kind of network architecture should I use / look into using? Any suggestions much appreciated.. Cheers.

5	Java Game APIs & Engines / Xith3D Forums / Re: java.lang.OutOfMemoryError (Terrain)	on: 2004-04-29 10:51:06
Wicked! It worked like a charm Cheers William

6	Java Game APIs & Engines / Xith3D Forums / java.lang.OutOfMemoryError (Terrain)	on: 2004-04-29 00:57:58
Hi.. After finally getting a walkaround camera to work with the Terrain demo, I decided to add an MD3 model to my world. Unfortunately I keep getting the following runtime error: Exception in thread "main" java.lang.OutOfMemoryError If I set the maxLevel to anything below 12 i.e. terrain = new Terrain(11,10); the model gets loaded up without any problems, but then my worldsize is greatly reduced.. Is there anything that I can do to allow my world size to stay the same (8192 units) and my model to be loaded without the aboce exception? Cheers

7	Java Game APIs & Engines / Xith3D Forums / Re: XithTerrainTest walkaround	on: 2004-04-28 13:36:00
Ah success! I finally got the walkaround for the terrain demo going.. I incorporated Java Cool Dude's excellent FPS camera system with a few modifications to ensure terrain following and no flying up into the air. Now - how to set the bounds of the world so I can't leave the terrain arena ??

8	Java Game APIs & Engines / Xith3D Forums / Re: new xith.org site redesign	on: 2004-04-28 11:41:01
The new site looks excellent I was trying to download David's user interface examples, but I keep getting a Forbidden error : "You don't have permission to access /download/extras/xith3d-gui-demo.zip on this server." Any chance of sorting this out as I would really like to have a look at the demos.. Keep up the great work!

Java Game APIs & Engines / Xith3D Forums / Re: XithTerrainTest walkaround

on: 2004-04-27 01:40:52

I am finally able to rotate around Y axis using the keboard, but whenever I do and try to walk forwards or strafe in that direction the view resets (stays in the same position but faces the original direction)

In my main render loop all I am doing is checking for keyboard events..

Here is what I have so far:

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float ROT_AMT = (float)Math.PI / 36.0f;

//The following methods are called when the user press the keys

private void Up(){                                                                       
      position.z += speed*direction;                                                       
      position.y = terrain.getY(position.x, position.z) + 200;                    
                                                                                   
      lookat.set(position);                                                        
      lookat.x += distance*direction;                                              
      lookat.z += distance*direction; 
      lookat.y = terrain.getY(lookat.x, lookat.z) + 200;
      
      view.getTransform(viewT);                                                    
      viewT.lookAt(position,lookat,new Point3f(0,1,0));                                    
      view.setTransform(viewT);                                                        
}                                                                                        
                                                                                   
private void Down(){                                                                     
      position.z -= speed*direction;                                                       
      position.y = terrain.getY(position.x, position.z) + 200;                    
                                                                                   
      lookat.set(position);                                                                
      lookat.x += distance*direction;                                                      
      lookat.z += distance*direction;                                                      
      lookat.y = terrain.getY(lookat.x, lookat.z) + 200;                          
                                                                                           
      view.getTransform(viewT);                                                            
      viewT.lookAt(position,lookat,new Point3f(0,1,0));                                    
      view.setTransform(viewT);                                                            
}                                                                                        
                                                                                   
private void StrafeLeft(){                                                               
      position.x += speed*direction;                                                       
      position.z += speed*direction;                                                       
      position.y = terrain.getY(position.x, position.z) + 200;                    
                                                                                   
      lookat.set(position);                                                                
      lookat.x += distance*direction;                                                      
      lookat.z += distance*direction;                                                      
      lookat.y = terrain.getY(lookat.x, lookat.z) + 200;                          
                                                                                   
      view.getTransform(viewT);                                                            
      viewT.lookAt(position,lookat,new Point3f(0,1,0));                                    
      view.setTransform(viewT);                                                            
}                                                                                        
                                                                                   
private void StrafeRight(){                                                              
      position.x -= speed*direction;                                                       
      position.z -= speed*direction;                                                       
      position.y = terrain.getY(position.x, position.z) + 200;                    
                                                                                   
      lookat.set(position);                                                                
      lookat.x += distance*direction;                                                      
      lookat.z += distance*direction;                                                      
      lookat.y = terrain.getY(lookat.x, lookat.z) + 200;                          
                                                                                           
      view.getTransform(viewT);                                                            
      viewT.lookAt(position,lookat,new Point3f(0,1,0));                                    
      view.setTransform(viewT);                                                            
}                                                                                        
                                                                                   
                                                                                   
private void performRotation(float amt){                                                 
      position.y = terrain.getY(position.x, position.z) + 200;                    
                                                                                   
      lookat.set(position);                                                                
      lookat.x = distance*direction;                                                       
      lookat.z = distance*direction;                                                       
      lookat.y = terrain.getY(lookat.x, lookat.z) + 200;                          
                                                                                   
    view.getTransform(viewT);                                                          
      testRotateY.rotY(amt);                                                               
      viewT.mul(testRotateY);                                                              
      view.setTransform(viewT);                                                            
      viewT.lookAt(position,lookat,new Point3f(0,1,0));                                    
}

Please Help!

10	Java Game APIs & Engines / Xith3D Forums / XithTerrainTest walkaround	on: 2004-04-26 18:12:00
I'm new to xith3D. I have gone through the GSG to get to learn the basic stuff and I'm playing around with the demos at the moment. One of the things that I am trying to do is to create a walkaround for the TerrainTest demo. I can get the camera to move up and back along the X and Z axes using the keyboard as input, however i can't seem to get the camera to rotate around the Y axis (so i can turn using the keyboard) I've tried many different things to get it going. My brains just a bit fried from trying to figure it out ! Just wondering if anyone can show this noob the light and point me in the right direction

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