public void Append(VertexDrawInfo vertexDrawInfo)
{
int v = vertices.Length;
int i = indices.Length;
Array.Resize(ref vertices, vertices.Length + vertexDrawInfo.vertices.Length);
Array.Resize(ref indices, indices.Length + vertexDrawInfo.indices.Length);
Array.Copy(vertexDrawInfo.vertices, 0, vertices, v, vertexDrawInfo.vertices.Length);
Array.Copy(vertexDrawInfo.indices, 0, indices, i, vertexDrawInfo.indices.Length);
for (int j = i; j < indices.Length; j++)
{
indices[j] += i;
}
}
/// <summary>
/// 开始顶点绘制
/// </summary>
/// <param name="vertexInfo">顶点绘制信息</param>
public void Draw(VertexDrawInfo vertexInfo)
{
if (DrawImmediately)
{
PrimitiveType cache = primitiveType;
if (vertexInfo.primitiveType != null)
{
primitiveType = vertexInfo.primitiveType.Value;
}
Draw(vertexInfo.vertices, vertexInfo.indices, vertexInfo.texture);
primitiveType = cache;
return;
}
Draw(vertexInfo.vertices, vertexInfo.indices);
}
/// <summary>
/// 开始顶点绘制
/// </summary>
/// <param name="vertex">顶点</param>
/// <param name="index">索引</param>
/// <param name="texture2D">材质</param>
public void Draw(Vertex[] vertex, int[] index, Texture2D texture2D = null)
{
if (!_begin)
{
throw new Exception("Called Draw Before Begin");
}
if (texture2D == null)
{
texture2D = Ste.Pixel;
}
if (DrawImmediately)
{
DoDraw(vertex, index, texture2D);
return;
}
if (infos.Length < drawCount)
{
Array.Resize(ref infos, drawCount + 512);
}
infos[drawCount] = new VertexDrawInfo(vertex, index, texture2D);
drawCount++;
}
public void Draw(VertexDrawInfo info)
{
}
public static void DrawUserIndexedPrimitives(this GraphicsDevice graphicsDevice, PrimitiveType primitiveType, VertexDrawInfo vertexInfo)
{
graphicsDevice.DrawUserIndexedPrimitives(primitiveType, vertexInfo.vertices, 0, vertexInfo.vertices.Length, vertexInfo.indices, 0, VertexBatch.LengthGusser(vertexInfo.vertices.Length, primitiveType));
}
