[Solved] LWJGL random lines inbenween shapes

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I’m guessing you have all of your textures on on image?

Near the edge of the block, OpenGL is sampling nearby pixels to make it smooth, so on the edge of your dirt block you can see it slightly fading into a stone block

try the lwjgl version of this:

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)

(the above is in in c++)

This will give you the pixelated effect like minecraft

Take a look at this for some more info http://gregs-blog.com/2008/01/17/opengl-texture-filter-parameters-explained/

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solved LWJGL random lines inbenween shapes