LWJGL - Minecraft Clone / Drawing Just ONE Simple Dirt Block
Feb 21, 2015
I am currently working on a Minecraft clone (called "Build"), and I'm trying draw just ONE simple dirt block, but it will only draw a square!
Here is the main class:
package game;
import game.block.DirtBlock;
import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;
[Code] ....
And the Block class ( the one that all Block Types are based off of):
package game;
import static org.lwjgl.opengl.GL11.*;
import java.io.IOException;
import java.nio.FloatBuffer;
import org.lwjgl.opengl.GL11;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;
import org.newdawn.slick.util.ResourceLoader;
[Code] ....
And that is the code, I'll make updates as needed.
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Apr 20, 2014
I am trying to make a custom texture system for a block in Minecraft, I am not too advanced with Java and am not sure how to make this work the way I want it to.
/** The list of the types of step blocks. */
public static final String[] blockStepTypes = new String[] {"stone", "sand", "wood", "cobble", "brick", "smoothStoneBrick", "netherBrick", "quartz"};
private Icon missing;
private Icon icon1;
/**
* From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
*/
[Code] .....
Alright, so basically I figured I could just tell the code to see if the block is made out of Stone, then to set the texture to Stone, or if it's made out of Sand, then set it to Sand.
What I usually get is Eclipse telling me to "insert '!= null' check", "insert '!= null' check", and then just error out saying "Opperator != is undefined for the argument type(s) boolean null"
Is there any way I could make this work for me? Maybe some other way to make it do what I am trying to do?
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Dec 27, 2014
I don't know how to write a code to pong ball, when it touch red block.
public class bounc2 extends JPanel implements ActionListener,KeyListener{
double x = 0,y=0,velX=3,velY=3;
double x2 = 5,y2=145,velX2=0,velY2=0;
double x3= 473,y3=145,velX3=0,velY3=0;
Timer t = new Timer(5,this);
public bounc2(){
setBackground(Color.GREEN);
[Code] .....
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Feb 6, 2014
Ok. So I have decided that taking a step back is better than trying to go forward blind. I am trying to come to an understanding of how java draws simple shapes, but continue to run into problems. I have now gone ahead and directly copied code from a book just to see if it will work. It does not. The code is just supposed to make a smiley face, but when I run it I get a bunch of errors. I have attached the code that I am trying to run and the error report at the bottom.
Java Code:
import javax.swing.JFrame;
public class DrawSmileyTest
{
public static void main( String[] args );
DrawSmiley panel = new DrawSmiley();
JFrame application = new JFrame();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
application.add( panel );
[Code] ....
9 errors found:
File: /Users/brad/Documents/Courses/Mobile App Development/Java Intermediate/Assignments/Assignment 1/DrawSmileyTest.java [line: 10]
Error: /Users/brad/Documents/Courses/Mobile App Development/Java Intermediate/Assignments/Assignment 1/DrawSmileyTest.java:10: <identifier> expected
[Code] .....
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Feb 1, 2014
Here is the code, I just wanted to draw a simple yellow rectangle in white background...
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
public class NewEmpty extends Jframe {
Rectangle test = new Rectangle(100,100,100,100);
public NewEmpty()
[Code] .....
Errors in the compiler ( i think there's something wrong with that Jframe)
init:
deps-jar:
Compiling 1 source file to C:Users****Gametestbuildclasses
C:UsersMarcoGametestsrcgametestNewEmpty.java :6: error: cannot find symbol
public class NewEmpty extends Jframe {
[Code] .....
5 errors
BUILD FAILED (total time: 0 seconds)
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May 29, 2014
This appears in my console when I run the server.
29.05 00:57:55 [Server] INFO Caused by: java.lang.NoClassDefFoundError: com/massivecraft/mcore/util/SenderUtil
What can I do to fix it?
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Mar 26, 2015
i need to design an application by java that is capable of coping itself and put it somewhere else.
and i have tried ....
import java.io.*;
import java.nio.*;
public class Test1234{
[Code]....
but it just create an empty folder named "test.class" but i need the overall class file or jar file.
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Jun 20, 2014
I want to clone some Arraylist, but the compiler apparently are just referencing the values to it's original ArrayList. I don't know what should it be:
package projetoteste;
import java.util.ArrayList;
import java.util.List;
public class TestFood {
public static void main(String[] args) {
List food=new ArrayList();
[code]....
Notice that ArrayList dailyMeal should be untouchable, but it return the changes that I made in local for-loop iteration although I didn't added nothing to it, just to it's clone.
Output:
[[[Suco, 1 , 2], [Suco, 1 , 2]], [[Suco, 1 , 2], [Suco, 1 , 2]]]
[[[►, ►, Suco, 1 , 2], [►, ►, Suco, 1 , 2]], [[►, ►, Suco, 1 , 2], [►, ►, Suco, 1 , 2]]]
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May 14, 2014
the clone method of the object class is protected, so therefore we have to override this method I understand this. What doesn't make sense to me is that the protected access modifier gives access to classes in the same package and subclasses. Isn't every single class we make a subclass of the Object Class?
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May 10, 2014
I wanted to create a simple window with the LWJGL and a key input request which closes the window.I also wanted to create the classes in seperated packages, so it's more organized.The window displays but if I press that certain key nothing happens.Here is the Main class:
package bb.main;
import bb.input.Input;
import bb.main.render.SimpleRenderer;
public class Main {
public static void main(String[] args){
SimpleRenderer createWindow = new SimpleRenderer();
Inputinput= new Input();
[code]....
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Jan 20, 2014
I wanted to use 16x16 pixel images in my game to make it look more "pixely", but the images get really blurry when they're rendered. How do I make them clearer?
Java Code:
import static org.lwjgl.opengl.GL11.*;
import org.lwjgl.opengl.*;
import org.lwjgl.*;
import org.lwjgl.input.Mouse;
import org.lwjgl.input.Keyboard;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;
import java.io.*;
public class Test{
int DISPLAY_WIDTH = 1000, DISPLAY_HEIGHT = 500;
[Code] ....
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Jun 25, 2014
I'm looking for a working example of shadow mapping with java code using shaders. There are so many c++ or c tutorials out there but i haven't managed to rewrite them since I'm too bad in c/c++. I've been trying to implement this a long time but can't get the hang of it. Any example out there? Preferably as sstripped down as possible except for the shadow mapping.
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Nov 21, 2014
I need to get a clone of a fairly deep object tree. All objects are entities and I need to set the primary keys to null. The root object:
public class Grundentscheidung implements Cloneable {
@OneToMany(cascade = CascadeType.ALL)
@JoinColumns({
@JoinColumn(name = "gesamtentscheidung_dstNr"),
@JoinColumn(name = "gesamtentscheidung_id")
[Code] .....
When I call
Grundentscheidung grundentscheidungClone = grundentscheidung.clone();
grundentscheidungClone contains the whole object tree with all dependencies, but the Tatbestand objects have their primary keys. When I use the debugger I see that Tatbestand.clone() is never called.
Is my code faulty? I would like to avoid to write a large method which sets all primary keys on the object tree to null.
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Jan 20, 2014
I want to render a specific region of an image in LWJGL,
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Aug 13, 2014
I'm trying to export a runnable jar file that requires lwjgl. Everything works in eclipse as I'm using
-Djava.library.path=nativewindows
as a VM Argument for the jinput .dll files.
After exporting & launching the jar it doesn't work of course! I get this error:
java.lang.UnsatisfiedLinkError: no junput-dx8 in java.library.path
I'm not sure how to make it work outside of eclipse....
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Jun 16, 2014
I've recently started programming with lwjgl, playing around with some 3D graphics. I've built a house and now I'm trying to render a view looking straight onto the center of the roof, but with current configuration it's slightly off.
As you can see in the image the edges on the roof aren't perfetly straight which would be the case if I was looking straight to the center from a point on the roof normal vector. I'm using gluLookAt to get the view, using the following code:
gluLookAt(house.getRoofCenter().x + house.getRoofNormal().x * 0.25f,
house.getRoofCenter().y + house.getRoofNormal().y * 0.25f,
house.getRoofCenter().z + house.getRoofNormal().z * 0.25f,
house.getRoofCenter().x, house.getRoofCenter().y, house.getRoofCenter().z, 0.0f, 1.0f, 0.0f);
And for the normals:
Vector3f.sub(p2, p1, a);
Vector3f.sub(p3, p1, B)/>/>/>;
Vector3f.cross(a, b, c);
roofNormal = new Vector3f(-c.x, -c.y, -c.z);
and center:
roofCenter = new Vector3f((p3.x + p1.x) / 2, (p3.y + p1.y) / 2, (p3.z + p1.z) / 2);
My question is: Is this due to errors in the rendering methods or is my math off?
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Nov 10, 2014
My question is, how do I get my Cube to visualize in the JPanel? I've tried a bunch of add methods but they don't compile. Is there a proper method I can use to add an object to a JPanel?
import javax.swing.*;
import java.awt.Dimension;
import javax.swing.Timer;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.*;
[Code] ....
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Feb 20, 2014
I have used FileInputStream class but its not working properly to divide the bits into blocks.I will attach the coding
public static void main(String[] args) {
ReadFileExample newclass = new ReadFileExample();
System.out.println("cryptography");
[Code].....
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Sep 19, 2014
In the following piece of code Iam confused as to where the InputMismatchException in the catch block is thrown on the first place? Is the InputMismatchException thrown automatically with declaring to throw the exception?
import java.util.*;
public class InputMismatchExceptionDemo {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
boolean continueInput = true;
[code]....
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Apr 13, 2015
Is it a best practice to return from try block or place return statement after try-catch when we intend to return a value from a method(* Catch block is being also used to rethrow the exception)??
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Feb 7, 2014
I'm doing project in area of "Cryptography and Network security". I'm having a file with binary Unicode (mean file contain Unicode value of corresponding data (text file)), want to divide that as blocks with the size of 144bits.
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Feb 18, 2015
Regarding return statements within methods. So I have a method containing try and catch block (as required) and much like when you have an if else statement... I noted you have to return an object for both the try and catch blocks. Now in my case my method should return a List object.
The way I have tried to overcome this:
- I've initialised a List object to null as an attribute of the class I'm working in.
- Therefore in the catch block would just simply return the null List object, where as the try block would return the non-empty List (which is what I want).
- I then just test to see if the List != null, when the method is invoked... and that is that.
However the method always seems to return null (when it shouldn't).
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Sep 2, 2014
I can make my program print block letters out in a vertical format but I need them to come out in a horizontal format.
public class MISSISSIPPI {
public static void main(String[] args) {
drawM(); drawI(); drawS(); drawS(); drawI(); drawS(); drawS(); drawI(); drawP(); drawP(); drawI();
}
How would I get those methods to come out in a horizontal fashion instead of vertical?
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Dec 23, 2014
Modify the program in Assign4 to synchronize access to the instance variable, balance. Save the program as SyncBank.java. Because balance is a double and not an object, it cannot be used as the monitor. Use synchronized methods or synchronized blocks of code as appropriate. Simultaneously test two threads as was done in Assign4. Because the threads can complete too quickly to determine if they are interfering with each other, delay the adding of a deposit by inserting the following code within the synchronized block or method:
try {
Thread.currentThread().sleep(10000); //sleep for milliseconds
}
catch(InterruptedException e) {
}
My code attempt so far:
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.net.*;
import java.text.DecimalFormat;
public class SyncBank extends HttpServlet //throws ServletException, IOException
[Code] .....
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Jul 7, 2014
It's always good to keep functions smaller and focused on one behavior. So is this safe:
Java Code:
public Unit findBySql(int id){
Unit unit=null;
DbConnectionPool dbPool = DbConnectionPool.getInstance();
HashMap<String, String> conditions = new HashMap<String, String>();
conditions.put("id", String.valueOf(id));
String sql = buildSelect("units", "*", conditions);
[Code] ......
As you can see a pass ResultSet to a function which populates the item. But I also make sure that the ResultSet that the passed object is pointing to is closed, so it doesn't leak resources.
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Mar 21, 2014
why Static Block in java executes first than the main block?
what is specific reason??
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