Can someone tell me how to make a screen that I can use!

Newbie & Debugging Questions
#1

I have an overly long and complicated code that I was going to use for a game, but the first part, getting the screen to do something! Can someone show me the code for a simple screen (frame) that also renders the data given to it? If you know what I mean? If I could get this out the way I can move on and input things to the screen without hassle!

the width is 450
the height is 450 / 16 * 9

HALP

#2

Hello :slight_smile: What language is used? What libraries?

#3

This website is called java-gaming.org

#4

Well, you can’t just ask to make something. It will make forum looks like fiverr without the $5 ;D

Tell what exactly your problem is. If you need template you can search it.

#5

Xd, it’s alright!

#6

It sounds like you need to follow some tutorials before just jumping into the development…

#7

I have, for quite some bloody time I might add. :clue: But still I don’t want you to make it for me (if you do it is helpful though), I want a link maybe to a useful website, or more importantly… how on earth do I interact with my screen I just made, how do I put stuff on it, explanations.
thankyou.

#8

I could explain to you what I know, but I’m bot that good at explanations ;D
So I’ll give to a link to where I learned that stuff back then : it’s from the newboston (an excellent teacher)

have a look at the GUI tutorials. Starting from about lesson 51.

#9

Maybe I should be more helpful to you all.

		pixel = new int[height][width];
		
		//1D pixelData to 2D pixel (for cartesian coordinates)
		for (int i = 0; i < height; i++){
			for(int j = 0; j < width; j++){
				pixel[i][j] = pixelData[i*j];
			}
		}
		
		//pixel changes go here.
		pixel[30][60] = 0xCC0000;
		
		//flatten back to pixelData
		for(int i = 0; i < pixel.length;i++){
			for(int j = 0; j < pixel[i].length; j++){
				pixelData[i*j] = pixel[i][j];
			}
		}

I did a bit more, figured it out and I am able to change pixels by simply going pixelData[x] = etc. But now this has come up.

this is where my problem lies. I want to convert the 1D array from the bufferstrategy into a 2D Cartesian array (for ease of use), and then input my 2D stuff back into the 1D pixelData but you see when I change the pixel[30][60] to 0xCC0000 (or any coordinate/colour) it doesn’t work, nothing shows except the black default. I know this lies in the array but that’s where my brain shuts down on me :slight_smile:

#10

I also want it layed out so I can put in x and y co ordinates, I think the current setup means I have to input (y, x) instead of (x, y)

#11

What you had originally is a two-dimensional array. What you want to do is :

int[] pixels1dim = new int[width*height];

And then you were right about the for loops. But inside the for loop you will have to use the

pixels1dim[j * width + i] = color;

instead of

pixels1dim[i][j] = color;

and again in the second loop


int[] pixels1dim = new int[width * height];
for(int j = 0; j< height;j++){
	for(int i =0; i< width;i++){
		pixels1dim[j * width + i] = pixels2dim[i][j];
	}
}
#12

wait, why am I doing the first conversion? I don’t need to do that! All I need to do is the second conversion ::slight_smile: because I don’t need to know what it looked like the render before, if you know what I mean.

#13

Uurgh, I’m just scrapping this 2d array for now and going with the 1D. I just made a function setPixel(x, y, col) to do the whole “Cartesian” thing. thanks for the help anyway! ;D

#14

There are a myriad of Java tutorials on the topic of drawing/rendering, including Oracle’s excellent tutorials.
The JDK also comes with sample apps demonstrating almost all of the Java2D API.

Google is your friend.