public void GetCulledVertices_Test()
{
Chunk chunk = new Chunk();
//Covering left and right of a block.
chunk.SetBlock(new Vector3(5, 5, 5), BlockType.Dirt);
chunk.SetBlock(new Vector3(4, 5, 5), BlockType.Dirt);
chunk.SetBlock(new Vector3(6, 5, 5), BlockType.Dirt);
int usedVertCount = 0;
var result = BlockMesh.GetCulledVertices(chunk.SidesExposedToAir(new Vector3(5, 5, 5)), out usedVertCount,
new Vector3(0, 0, 0)).ToList();
Assert.AreEqual(new Vector3[]
{
new Vector3(-0.5f, 0.5f, 0.5f), //Left Top Front 7
new Vector3(0.5f, 0.5f, 0.5f), //Right Top Front 6
new Vector3(0.5f, 0.5f, -0.5f), //Right Top Back 2
new Vector3(-0.5f, 0.5f, -0.5f), //Left Top Back 3
new Vector3(-0.5f, -0.5f, -0.5f), //Left Bottom Back 0
new Vector3(0.5f, -0.5f, -0.5f), //Right Bottom Back 1
new Vector3(0.5f, -0.5f, 0.5f), //Right Bottom Front 5
new Vector3(-0.5f, -0.5f, 0.5f), //Left Bottom Front 4
new Vector3(-0.5f, -0.5f, -0.5f), //Left Bottom Back 0
new Vector3(0.5f, -0.5f, -0.5f), //Right Bottom Back 1
new Vector3(0.5f, 0.5f, -0.5f), //Right Top Back 2
new Vector3(-0.5f, 0.5f, -0.5f), //Left Top Back 3
new Vector3(-0.5f, -0.5f, 0.5f), //Left Bottom Front 4
new Vector3(0.5f, -0.5f, 0.5f), //Right Bottom Front 5
new Vector3(0.5f, 0.5f, 0.5f), //Right Top Front 6
new Vector3(-0.5f, 0.5f, 0.5f) //Left Top Front 7
}, result);
Assert.AreEqual(16, usedVertCount);
}