protected override void DoRender(RenderEventArgs e)
{
if (this.axisVAO == null)
{
this.axisVAO = new VertexArrayObject[3];
for (int i = 0; i < 3; i++)
{
var vao = new VertexArrayObject(this.positionBufferRenderers[i], this.colorBufferRenderers[i], this.indexBufferRenderers[i]);
vao.Create(e, this.shaderProgram);
this.axisVAO[i] = vao;
}
{
var vao = new VertexArrayObject(this.planPositionBufferRenderer, planColorBufferRenderer, this.planIndexBufferRenderer);
vao.Create(e, this.shaderProgram);
this.planVAO = vao;
}
}
// 绑定shader
this.shaderProgram.Bind();
// 画坐标轴
for (int i = 0; i < 3; i++)
{
this.axisVAO[i].Render(e, this.shaderProgram);
}
// 画平面
{
this.planVAO.Render(e, this.shaderProgram);
}
// 解绑shader
this.shaderProgram.Unbind();
}
protected override void DoRender(RenderEventArgs e)
{
ShaderProgram program = this.shaderProgram;
// 绑定shader
program.Bind();
program.SetUniformMatrix4(strprojectionMatrix, projectionMatrix.to_array());
program.SetUniformMatrix4(strviewMatrix, viewMatrix.to_array());
program.SetUniformMatrix4(strmodelMatrix, modelMatrix.to_array());
int[] originalPolygonMode = new int[1];
GL.GetInteger(GetTarget.PolygonMode, originalPolygonMode);
GL.PolygonMode(PolygonModeFaces.FrontAndBack, this.polygonMode);
if (this.vertexArrayObject == null)
{
var vao = new VertexArrayObject(
this.positionBufferRenderer,
//this.colorBufferRenderer,
this.normalBufferRenderer,
this.indexBufferRenderer);
vao.Create(e, this.shaderProgram);
this.vertexArrayObject = vao;
}
else
{
this.vertexArrayObject.Render(e, this.shaderProgram);
}
GL.PolygonMode(PolygonModeFaces.FrontAndBack, (PolygonModes)(originalPolygonMode[0]));
// 解绑shader
program.Unbind();
}