Wednesday, February 25, 2009
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Tuesday, February 17, 2009
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Friday, September 05, 2008
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Monday, August 04, 2008
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Advanced programming II: images and text
Now we want focusing on making better game. For better game we need some text for showing score and some images for maps and other thing and at last a better graphics for getting your game more reality .
In design of 3d models you need getting texture from building and objects that you want to use in game. Some texture maybe force to distortion your model and even maybe you can’t see anything. And of course more high graphics texture and models may not be seen well in some old phone. For example when you download this game for p990 sonny erricson you see a picture like it
But when you want to download it for k750 from same company (sonny ericsson) you will see some graphics problem and maybe even you can’t see some models in older phones.
Add text and images and some functions
You can add text and images to your games with Graphics class and bind Graphics3D to it .You should add text and images to graphics after bind it to Graphics3D . it is an example code
g3d.bindTarget(graphics,true,Graphics3D.ANTIALIAS|
Graphics3D.TRUE_COLOR);
g3d.render(_world);
g3d.releaseTarget();
graphics.setColor(0x990000);
graphics.setFont(Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_LARGE));
graphics.drawString("corner", 90, 150,
Graphics.TOP | Graphics.RIGHT);
In first code we bind target graphics(from Graphics class) to g3d(from Graphics3D) and in second line we render my world class . After release your g3d object you can change your graphics object and add image or add text .For add text I use three line for set color and font and text.
Add images is like that and only you need add function drawimage and image object to your code.This image can be maps or character picture or other thing.You can add some function also to your program for controlling move of cameras or objects in your game.I add a sample code for this porpose.
if(y>-20)
Y=-20;
With this code camera will be stopped if it reached to left wall.In 3ds max wall y position was 20 and
Camera will be moved to Y with this code
camera.setTranslation(X, Y, Z);
You can see more in this project
Thursday, July 24, 2008
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I add a sample project for more discuss in light and cameras. it is only a camera moving in between walls(textures are from internet).I'll add gun and other effects to it in next time.You can also edit 3d model in way you want. This is my model in 3 direction:top,camera,left and perspective
This model have a camera and 3 light and you should draw your model on base of your camera(upper right picture) and if you want use another cameras also you should configure your model on base of them. In this model camera id is 14 and for loading camera in program this code is enough
Camera camera;
Camera=(Camera)(Myworld.find(14));
Camera position in this model is your person eye.You can move camera in every place with this code
m.setTranslation(x,y,z);
For example you can move it with pointer with this code
protected void pointerPressed(int x, int y) {
m.setTranslation(x,y,z);
}
Pointerpress is a function that invoked when a pointer pressed and x,y is pointer location in screen .You can say that when pointer pressed (x,y) location in screen camera can move.you can add image and text to game for this purpose also. In next post i add text and image to this project for getting better result from this project.
Wednesday, July 09, 2008
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For starting in programming with netbeans first I upload a sample java mobile game project that you can download it and run it or change it and even make a new game.
3d model making
1-for starting programming first you should have 3d model maker .this software should can export models to m3g.I using 3ds max 2008 but you can also use any 3d software like blender and a m3g exporter with it.Blender and m3g exporter are free.Maya is another good software for it but is not free.Every box and sphere you create in this software ,have an id in m3g that give you access to them and You can rotate and move this object .Graphics of this model maybe have some problem in
Some phones on base of their graphics.
Netbeans project information
2. After make your 3d model and export it now you are ready for programming .you should export your 3d model to subfolder "src\res" from your project folder .
My game engine is panel1 class and game canvas is "Canvas" and middle is hellomiddlet. 3ds model is in res folder (game1.max)with m3g file and you can change this model in way you want.your project name in netbeans is your project folder(unzip file after download) and you jar file is in dist folder.You can run it from mobile .In next post I'll explain my project functions and cods and models.
About functions and code
Panel1 class have two functions setmeshpositions and movemesh.setmeshpositions (15,35,35,35) means that your object with id 15 is positioned in 3 dimension space in xyz coordinate(x=35,y=35,z=35) and movemesh(15,"up",5) moving your object with id 15 to up direction in 5 unit.For example in this code
int state = getKeyStates();
if( ( state & DOWN_PRESSED ) != 0 ){
panel.movemesh(15, "up", 5);
state value is 1 when your using a key(in otherwise is 0) or no and DOWN_PRESS value say that you pressed down or
no and if two of them are true mesh move up 5 unit in up direction.you can change this code with replace up with down or like that.in next post I'll write some more about this codes and functions.
