The demo TestCube.java rendered with wrong face side

[Yiiip]

1. The demo goes wrong after set

glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);

in Renderer class.

2. The issue basically caused by VAO data writen in DataUtils class.

[Yiiip]

Now I fixed two kinds of VAO data -- vertices and indies.

     public static float[] CUBE_VERTICES = {
	// Front face
	-0.5f, -0.5f,  0.5f,
	0.5f, -0.5f,  0.5f,
	0.5f,  0.5f,  0.5f,
	-0.5f,  0.5f,  0.5f,
	
	// Back face
	-0.5f, -0.5f, -0.5f,
	-0.5f,  0.5f, -0.5f,
	0.5f,  0.5f, -0.5f,
	0.5f, -0.5f, -0.5f,
	
	// Top face
	-0.5f,  0.5f, -0.5f,
	-0.5f,  0.5f,  0.5f,
	0.5f,  0.5f,  0.5f,
	0.5f,  0.5f, -0.5f,
	
	// Bottom face
	-0.5f, -0.5f, -0.5f,
	0.5f, -0.5f, -0.5f,
	0.5f, -0.5f,  0.5f,
	-0.5f, -0.5f,  0.5f,
	
	// Right face
	0.5f, -0.5f, -0.5f,
	0.5f,  0.5f, -0.5f,
	0.5f,  0.5f,  0.5f,
	0.5f, -0.5f,  0.5f,
   
	// Left face
	-0.5f, -0.5f, -0.5f,
	-0.5f, -0.5f,  0.5f,
	-0.5f,  0.5f,  0.5f,
	-0.5f,  0.5f, -0.5f,
};

public static int[] CUBE_INDICES = {
    0,  1,  2,      0,  2,  3,    // front
    4,  5,  6,      4,  6,  7,    // back
    8,  9,  10,     8,  10, 11,   // top
    12, 13, 14,     12, 14, 15,   // bottom
    16, 17, 18,     16, 18, 19,   // right
    20, 21, 22,     20, 22, 23,   // left
};

[Yiiip]

Totally Fixed! with right texture coordinates.

public static float[] CUBE_VERTICES_II = { //24
		// Front face
		-0.5f,  0.5f,  0.5f,  //0
		-0.5f, -0.5f,  0.5f, //1
		0.5f, -0.5f,  0.5f, //2
		0.5f,  0.5f,  0.5f, //3
		// Top face
		-0.5f,  0.5f, -0.5f, //4
		0.5f,  0.5f, -0.5f, //5
		-0.5f,  0.5f,  0.5f, //6 -> 0
		0.5f,  0.5f,  0.5f, //7 -> 3
		// Right face
		0.5f,  0.5f,  0.5f, //8 -> 3
		0.5f,  0.5f, -0.5f, //9 -> 5
		0.5f, -0.5f,  0.5f, //10 -> 2
		0.5f, -0.5f, -0.5f, //11 -> 7
		// Left face
		-0.5f,  0.5f, -0.5f, //12 -> 4
		-0.5f,  0.5f,  0.5f, //13 -> 0
		-0.5f, -0.5f, -0.5f, //14 -> 6
		-0.5f, -0.5f,  0.5f, //15 -> 1
		// Bottom face
		-0.5f, -0.5f,  0.5f, //16 -> 1
		0.5f, -0.5f,  0.5f, //17 -> 2
		-0.5f, -0.5f, -0.5f, //18 -> 6
		0.5f, -0.5f, -0.5f, //19 -> 7
		// Back face
		0.5f,  0.5f, -0.5f, //20 -> 5
		-0.5f,  0.5f, -0.5f, //21 -> 4
		0.5f, -0.5f, -0.5f, //22 -> 7
		-0.5f, -0.5f, -0.5f, //23 -> 6
};
public static int[] CUBE_INDICES_II = { //6 sides, 12 triangles
		0,  1,  2,		0,  2,  3,		// Front face
		4,  6,  7,		4,  7,  5,		// Top face
		8,  10,  9,		9,  10, 11,		// Right face
		12, 14, 15,		15, 13, 12,		// Left face
		17, 18, 19,		16, 18, 17,		// Bottom face
		21, 20, 22,		23, 21, 22,		// Back face
};
public static float[] CUBE_TEXTURE_COORDS_II = { //24
		// front
		0.0f, 0.0f,
		0.0f, 0.5f,
		0.5f, 0.5f,
		0.5f, 0.0f,
		// top
		0.0f, 0.5f,
		0.5f, 0.5f,
		0.0f, 1.0f,
		0.5f, 1.0f,
		// right
		0.0f, 0.0f,
		0.5f, 0.0f,
		0.0f, 0.5f,
		0.5f, 0.5f,
		// left
		0.0f, 0.0f,
		0.5f, 0.0f,
		0.0f, 0.5f,
		0.5f, 0.5f,
		// bottom
		0.5f, 0.0f,
		1.0f, 0.0f,
		0.5f, 0.5f,
		1.0f, 0.5f,
		// back
		0.0f, 0.0f,
		0.5f, 0.0f,
		0.0f, 0.5f,
		0.5f, 0.5f,
};