public void Render()
{
var matrix = _viewMatrix.GetMatrix();
matrix.Column3 = Vector4.UnitW;
_shader.Use();
_shader.View = matrix;
_shader.Projection = _projectionMatrix.GetMatrix();
_vertexArray.Bind();
_vertexArray.Render(PrimitiveType.Lines);
}
/// <summary>
/// 创建元素堆
/// </summary>
/// <param name="vertexArray">顶点堆</param>
/// <param name="elements">元素堆</param>
public ElementArray(IVertexArrayHandle vertexArray, IEnumerable <uint> elements)
{
_elements = elements.ToArray();
_count = _elements.Length;
_vertexArrayHandle = vertexArray;
_vertexArrayHandle.Bind();
_elementBufferObject = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, _elementBufferObject);
GL.BufferData(BufferTarget.ElementArrayBuffer, _elements.Length * sizeof(uint), _elements,
BufferUsageHint.StaticDraw);
//_logger.Info($"Create an element array:{_elementBufferObject}");
}
public void Bind()
{
_texture.Bind();
_vertexArrayHandle.Bind();
}