/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="vertices">頂点データ</param>
/// <param name="parts">パーツ情報</param>
public MMDAccessory(MMDVertexNmTxVc[] vertices, IList<MMDAccessoryPart> parts)
{
this.vertexBuffer = new VertexBuffer(parts[0].indices.GraphicsDevice, typeof(VertexPositionNormalTextureColor), vertices.Length, BufferUsage.WriteOnly);
VertexPositionNormalTextureColor[] gpuVertices = new VertexPositionNormalTextureColor[vertices.Length];
//初期値代入
for (int i = 0; i < vertices.Length; i++)
{
gpuVertices[i].Position = vertices[i].Position;
gpuVertices[i].Normal = vertices[i].Normal;
gpuVertices[i].Color = new Color(vertices[i].VertexColor);
gpuVertices[i].TextureCoordinate = vertices[i].TextureCoordinate;
}
// put the vertices into our vertex buffer
vertexBuffer.SetData(gpuVertices, 0, vertices.Length);
m_parts = new ReadOnlyCollection<MMDAccessoryPart>(parts);
}
protected VertexPositionNormalTextureColor[] GetFaceVertices(BlockFace blockFace, Vector3 startPosition, Vector3 endPosition, UVMap uvmap, out int[] indexes)
{
var size = (endPosition - startPosition);
Color faceColor = Color.White;
Vector3 normal = Vector3.Zero;
Vector3 positionTopLeft = Vector3.Zero, positionBottomLeft = Vector3.Zero, positionBottomRight = Vector3.Zero, positionTopRight = Vector3.Zero;
switch (blockFace)
{
case BlockFace.Up: //Positive Y
positionTopLeft = From(startPosition, endPosition, endPosition);
positionTopRight = From(endPosition, endPosition, endPosition);
positionBottomLeft = From(startPosition, endPosition, startPosition);
positionBottomRight = From(endPosition, endPosition, startPosition);
normal = Vector3.Up;
faceColor = uvmap.ColorTop; //new Color(0x00, 0x00, 0xFF);
break;
case BlockFace.Down: //Negative Y
positionTopLeft = From(startPosition, startPosition, endPosition);
positionTopRight = From(endPosition, startPosition, endPosition);
positionBottomLeft = From(startPosition, startPosition, startPosition);
positionBottomRight = From(endPosition, startPosition, startPosition);
normal = Vector3.Down;
faceColor = uvmap.ColorBottom; //new Color(0xFF, 0xFF, 0x00);
break;
case BlockFace.West: //Negative X
positionTopLeft = From(startPosition, endPosition, startPosition);
positionTopRight = From(startPosition, endPosition, endPosition);
positionBottomLeft = From(startPosition, startPosition, startPosition);
positionBottomRight = From(startPosition, startPosition, endPosition);
normal = Vector3.Left;
faceColor = uvmap.ColorLeft; // new Color(0xFF, 0x00, 0xFF);
break;
case BlockFace.East: //Positive X
positionTopLeft = From(endPosition, endPosition, startPosition);
positionTopRight = From(endPosition, endPosition, endPosition);
positionBottomLeft = From(endPosition, startPosition, startPosition);
positionBottomRight = From(endPosition, startPosition, endPosition);
normal = Vector3.Right;
faceColor = uvmap.ColorRight; //new Color(0x00, 0xFF, 0xFF);
break;
case BlockFace.South: //Positive Z
positionTopLeft = From(startPosition, endPosition, startPosition);
positionTopRight = From(endPosition, endPosition, startPosition);
positionBottomLeft = From(startPosition, startPosition, startPosition);
positionBottomRight = From(endPosition, startPosition, startPosition);
normal = Vector3.Backward;
faceColor = uvmap.ColorFront; // ew Color(0x00, 0xFF, 0x00);
break;
case BlockFace.North: //Negative Z
positionTopLeft = From(startPosition, endPosition, endPosition);
positionTopRight = From(endPosition, endPosition, endPosition);
positionBottomLeft = From(startPosition, startPosition, endPosition);
positionBottomRight = From(endPosition, startPosition, endPosition);
normal = Vector3.Forward;
faceColor = uvmap.ColorBack; // new Color(0xFF, 0x00, 0x00);
break;
case BlockFace.None:
break;
}
var topLeft = new VertexPositionNormalTextureColor(positionTopLeft, normal, uvmap.TopLeft, faceColor);
var topRight = new VertexPositionNormalTextureColor(positionTopRight, normal, uvmap.TopRight, faceColor);
var bottomLeft = new VertexPositionNormalTextureColor(positionBottomLeft, normal, uvmap.BottomLeft,
faceColor);
var bottomRight = new VertexPositionNormalTextureColor(positionBottomRight, normal, uvmap.BottomRight,
faceColor);
switch (blockFace)
{
case BlockFace.Up:
indexes = new int[]
{
2, 0, 1,
3, 2, 1
};
break;
case BlockFace.Down:
indexes = new[]
{
0, 2, 1,
2, 3, 1
};
break;
case BlockFace.North:
indexes = new[]
{
0, 2, 1,
2, 3, 1
};
break;
case BlockFace.East:
indexes = new[]
{
2, 0, 1,
3, 2, 1
};
break;
case BlockFace.South:
indexes = new[]
{
2, 0, 1,
3, 2, 1
};
break;
case BlockFace.West:
indexes = new[]
{
0, 2, 1,
2, 3, 1
};
break;
default:
indexes = new int[0];
break;
}
return(new[]
{
topLeft, topRight, bottomLeft, bottomRight
});
return(new VertexPositionNormalTextureColor[0]);
}
// 4+---------+3
// /| /|
// 1+-|-------+2|
// | | | |
// |8+-------|-+7
// |/ |/
// 5+---------+6
public static Mesh CreateBox(GraphicsDevice device)
{
#region 写顶点数组
//创建24个顶点
VertexPositionNormalTextureColor[] vertices;
vertices = new VertexPositionNormalTextureColor[24];
Vector3 v1 = new Vector3(-1.0f, 1.0f, 1.0f);
Vector3 v2 = new Vector3(1.0f, 1.0f, 1.0f);
Vector3 v3 = new Vector3(1.0f, 1.0f, -1.0f);
Vector3 v4 = new Vector3(-1.0f, 1.0f, -1.0f);
Vector3 v5 = new Vector3(-1.0f, -1.0f, 1.0f);
Vector3 v6 = new Vector3(1.0f, -1.0f, 1.0f);
Vector3 v7 = new Vector3(1.0f, -1.0f, -1.0f);
Vector3 v8 = new Vector3(-1.0f, -1.0f, -1.0f);
#region //5, 1, 2, 6
vertices[0].position = v5;
vertices[0].texcoord = new Vector2(0, 0);
vertices[0].normal = Vector3.Backward;
vertices[0].color = Color.White;
vertices[1].position = v1;
vertices[1].texcoord = new Vector2(0, 1);
vertices[1].normal = Vector3.Backward;
vertices[1].color = Color.White;
vertices[2].position = v2;
vertices[2].texcoord = new Vector2(1, 1);
vertices[2].normal = Vector3.Backward;
vertices[2].color = Color.White;
vertices[3].position = v6;
vertices[3].texcoord = new Vector2(1, 0);
vertices[3].normal = Vector3.Backward;
vertices[3].color = Color.White;
#endregion
#region //8, 4, 3, 7
vertices[4].position = v8;
vertices[4].texcoord = new Vector2(0, 0);
vertices[4].normal = Vector3.Forward;
vertices[4].color = Color.White;
vertices[5].position = v4;
vertices[5].texcoord = new Vector2(0, 1);
vertices[5].normal = Vector3.Forward;
vertices[5].color = Color.White;
vertices[6].position = v3;
vertices[6].texcoord = new Vector2(1, 1);
vertices[6].normal = Vector3.Forward;
vertices[6].color = Color.White;
vertices[7].position = v7;
vertices[7].texcoord = new Vector2(1, 0);
vertices[7].normal = Vector3.Forward;
vertices[7].color = Color.White;
#endregion
#region //5, 1, 4, 8
vertices[8].position = v5;
vertices[8].texcoord = new Vector2(1, 0);
vertices[8].normal = Vector3.Left;
vertices[8].color = Color.White;
vertices[9].position = v1;
vertices[9].texcoord = new Vector2(1, 1);
vertices[9].normal = Vector3.Left;
vertices[9].color = Color.White;
vertices[10].position = v4;
vertices[10].texcoord = new Vector2(0, 1);
vertices[10].normal = Vector3.Left;
vertices[10].color = Color.White;
vertices[11].position = v8;
vertices[11].texcoord = new Vector2(0, 0);
vertices[11].normal = Vector3.Left;
vertices[11].color = Color.White;
#endregion
#region //6, 2, 3, 7
vertices[12].position = v6;
vertices[12].texcoord = new Vector2(0, 0);
vertices[12].normal = Vector3.Right;
vertices[12].color = Color.White;
vertices[13].position = v2;
vertices[13].texcoord = new Vector2(0, 1);
vertices[13].normal = Vector3.Right;
vertices[13].color = Color.White;
vertices[14].position = v3;
vertices[14].texcoord = new Vector2(1, 1);
vertices[14].normal = Vector3.Right;
vertices[14].color = Color.White;
vertices[15].position = v7;
vertices[15].texcoord = new Vector2(1, 0);
vertices[15].normal = Vector3.Right;
vertices[15].color = Color.White;
#endregion
#region //5, 8, 7, 6
vertices[16].position = v5;
vertices[16].texcoord = new Vector2(0, 0);
vertices[16].normal = Vector3.Down;
vertices[16].color = Color.White;
vertices[17].position = v8;
vertices[17].texcoord = new Vector2(0, 1);
vertices[17].normal = Vector3.Down;
vertices[17].color = Color.White;
vertices[18].position = v7;
vertices[18].texcoord = new Vector2(1, 1);
vertices[18].normal = Vector3.Down;
vertices[18].color = Color.White;
vertices[19].position = v6;
vertices[19].texcoord = new Vector2(1, 0);
vertices[19].normal = Vector3.Down;
vertices[19].color = Color.White;
#endregion
#region //1, 4, 3, 2
vertices[20].position = v1;
vertices[20].texcoord = new Vector2(0, 0);
vertices[20].normal = Vector3.Up;
vertices[20].color = Color.White;
vertices[21].position = v4;
vertices[21].texcoord = new Vector2(0, 1);
vertices[21].normal = Vector3.Up;
vertices[21].color = Color.White;
vertices[22].position = v3;
vertices[22].texcoord = new Vector2(1, 1);
vertices[22].normal = Vector3.Up;
vertices[22].color = Color.White;
vertices[23].position = v2;
vertices[23].texcoord = new Vector2(1, 0);
vertices[23].normal = Vector3.Up;
vertices[23].color = Color.White;
#endregion
#endregion
#region 索引数组
//创建36个索引
ushort[] indices = {
0, 1, 3,
1, 2, 3,
4, 5, 7,
5, 6, 7,
8, 9, 11,
9, 10, 11,
12, 13, 15,
13, 14, 15,
16, 17, 19,
17, 18, 19,
20, 21, 23,
21, 22, 23
};
#endregion
VertexBuffer vb = new VertexBuffer(device, typeof(VertexPositionNormalTextureColor), vertices.Length, BufferUsage.WriteOnly);
vb.SetData(vertices, 0, 24);
VertexDeclaration vd = new VertexDeclaration(device, VertexPositionNormalTextureColor.VertexElements);
IndexBuffer ib = new IndexBuffer(device, typeof(ushort), indices.Length, BufferUsage.WriteOnly);
ib.SetData(indices);
return new Mesh(PrimitiveType.TriangleList, vb, vd, ib);
}
