lwjgl help

General Talk Computer Talk
1

So I’m trying to extract a sub image from a main image and display it. I’m not to sure on how I’m meant to achieve it though.

public void init() {//load the texture
		
		try {
			level = TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("images/test_tiles.png"));
		}
		catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void render(int img_x, int img_y, int px, int py, int pw, int ph) {
		Color.white.bind();
		level.bind();
		
		FloatBuffer winZ= BufferUtils.createFloatBuffer(32*32);
		GL11.glTexSubImage2D(1, 0, px, py, pw, ph, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, winZ);
		
		GL11.glBegin(GL11.GL_QUADS);
			GL11.glTexCoord2f(0,0);
			GL11.glVertex2f(img_x,img_y);
			GL11.glTexCoord2f(1,0);
			GL11.glVertex2f(img_x+level.getTextureWidth(),img_y);
			GL11.glTexCoord2f(1,1);
			GL11.glVertex2f(img_x+level.getTextureWidth(),img_y+level.getTextureHeight());
			GL11.glTexCoord2f(0,1);
			GL11.glVertex2f(img_x,img_y+level.getTextureHeight());
		GL11.glEnd();
	}

If someone could tell me what I’m doing wrong and point me in the right direction i’d be most thankful.

Also please take into consideration that i’ve spent a good 2 days trying to nut this out using java and trying several techniques so it’s not as if i’m being lazy and getting others to do the dirty work for me :frowning:

2

So no one can or will help?

3

showimgpart

4

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