private static void AssertVerticesEqual(ObjVector4 expected, Vertex3DNoTex2 actual, float threshold, bool switchZ = false)
{
var sign = switchZ ? -1 : 1;
actual.X.Should().BeApproximately(expected.X, threshold);
actual.Y.Should().BeApproximately(expected.Y, threshold);
actual.Z.Should().BeApproximately(sign * expected.Z, threshold);
}
public void New3()
{
var v = new ObjVector4(2.0f, 3.0f, 4.0f);
Assert.Equal(2.0f, v.X);
Assert.Equal(3.0f, v.Y);
Assert.Equal(4.0f, v.Z);
Assert.Equal(1.0f, v.W);
}
public void New()
{
var v = new ObjVector4
{
X = 2.0f,
Y = 3.0f,
Z = 4.0f,
W = 5.0f
};
Assert.Equal(2.0f, v.X);
Assert.Equal(3.0f, v.Y);
Assert.Equal(4.0f, v.Z);
Assert.Equal(5.0f, v.W);
}
private static void AssertVerticesEqual(ObjVector4 expected, Vertex3DNoTex2 actual, double threshold = FloatThresholdComparer.Threshold)
{
Assert.Equal(expected.X, actual.X, new FloatThresholdComparer(threshold));
Assert.Equal(expected.Y, actual.Y, new FloatThresholdComparer(threshold));
Assert.Equal(expected.Z, actual.Z, new FloatThresholdComparer(threshold));
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
var d3dDevice = this.deviceResources.D3DDevice;
this.tessellator.CreateDeviceDependentResources(this.deviceResources);
XMFloat4[] initData;
// Parse the .obj file. Both triangle faces and quad faces are supported.
// Only v and f tags are processed, other tags like vn, vt etc are ignored.
{
var initFile = ObjFile.FromFile("BaseMesh.obj");
var data = new List <XMFloat4>();
var v = new List <XMFloat4>();
for (int i = 0; i < initFile.Vertices.Count; i++)
{
ObjVector4 objPosition = initFile.Vertices[i].Position;
XMFloat4 pos = new XMFloat4(
objPosition.X,
objPosition.Y,
objPosition.Z,
1.0f);
v.Add(pos);
}
foreach (ObjFace face in initFile.Faces)
{
if (face.Vertices.Count < 3)
{
continue;
}
data.Add(v[face.Vertices[0].Vertex - 1]);
data.Add(v[face.Vertices[1].Vertex - 1]);
data.Add(v[face.Vertices[2].Vertex - 1]);
if (face.Vertices.Count >= 4)
{
data.Add(v[face.Vertices[2].Vertex - 1]);
data.Add(v[face.Vertices[3].Vertex - 1]);
data.Add(v[face.Vertices[0].Vertex - 1]);
}
}
initData = data.ToArray();
}
this.g_pBaseVB = d3dDevice.CreateBuffer(
D3D11BufferDesc.From(initData, D3D11BindOptions.ShaderResource | D3D11BindOptions.VertexBuffer),
initData,
0,
0);
this.tessellator.SetBaseMesh((uint)initData.Length, this.g_pBaseVB);
this.g_pVS = d3dDevice.CreateVertexShader(File.ReadAllBytes("RenderVertexShader.cso"), null);
{
byte[] shaderBytecode = File.ReadAllBytes("RenderBaseVertexShader.cso");
this.g_pBaseVS = d3dDevice.CreateVertexShader(shaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new[]
{
new D3D11InputElementDesc(
"POSITION",
0,
DxgiFormat.R32G32B32A32Float,
0,
0,
D3D11InputClassification.PerVertexData,
0)
};
this.g_pBaseVBLayout = d3dDevice.CreateInputLayout(layoutDesc, shaderBytecode);
}
this.g_pPS = d3dDevice.CreatePixelShader(File.ReadAllBytes("RenderPixelShader.cso"), null);
// Setup constant buffer
this.g_pVSCB = d3dDevice.CreateBuffer(new D3D11BufferDesc
{
BindOptions = D3D11BindOptions.ConstantBuffer,
ByteWidth = 4 * 16
});
// Rasterizer state
this.g_pRasWireFrame = d3dDevice.CreateRasterizerState(new D3D11RasterizerDesc
{
CullMode = D3D11CullMode.None,
FillMode = D3D11FillMode.WireFrame
});
}
private static void AssertVerticesEqual(ObjVector4 expected, Vertex3DNoTex2 actual, float threshold)
{
actual.X.Should().BeApproximately(expected.X, threshold);
actual.Y.Should().BeApproximately(expected.Y, threshold);
actual.Z.Should().BeApproximately(expected.Z, threshold);
}
public static Vector3 ToVector3(this ObjVector4 objVector4)
{
return(new Vector3(objVector4.X, objVector4.Y, objVector4.Z));
}
