public void Render(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
// update matrix and bind shader program
mat4 projectionMatrix = camera.GetProjectionMat4();
mat4 viewMatrix = camera.GetViewMat4();
mat4 modelMatrix = glm.scale(mat4.identity(), new vec3(1, 1, this.ZAxisScale));
shaderProgram.Bind(gl);
shaderProgram.SetUniformMatrix4(gl, strprojectionMatrix, projectionMatrix.to_array());
shaderProgram.SetUniformMatrix4(gl, strviewMatrix, viewMatrix.to_array());
shaderProgram.SetUniformMatrix4(gl, strmodelMatrix, modelMatrix.to_array());
gl.BindVertexArray(vao[0]);
// 启用Primitive restart
gl.Enable(OpenGL.GL_PRIMITIVE_RESTART);
gl.PrimitiveRestartIndex(uint.MaxValue);// 截断图元（四边形带、三角形带等）的索引值。
//GL.DrawArrays(primitiveMode, 0, vertexCount);
gl.DrawElements((uint)primitiveMode, vertexCount + (this.pipe.Count - 1) * 2, OpenGL.GL_UNSIGNED_INT, IntPtr.Zero);
gl.BindVertexArray(0);
gl.Disable(OpenGL.GL_PRIMITIVE_RESTART);
// unbind shader program
shaderProgram.Unbind(gl);
}
public void RenderWithStruct(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
//if (!this.IsRenderable())
//return;
ShaderProgram shader = this.shader; //GetShader(gl, renderMode);
shader.Bind(gl);
// 用VAO+EBO进行渲染。
// Bind the out vertex array.
//gl.BindVertexArray(vao[0]);
gl.BindVertexArray(vertexArrayObject);
// Draw the square.
//gl.BindBuffer(OpenGL.GL_ELEMENT_ARRAY_BUFFER, ebo[0]);
gl.BindBuffer(OpenGL.GL_ELEMENT_ARRAY_BUFFER, this.triangleBufferObject);
// 启用Primitive restart
gl.Enable(OpenGL.GL_PRIMITIVE_RESTART);
gl.PrimitiveRestartIndex(uint.MaxValue);// 截断图元（四边形带、三角形带等）的索引值。
gl.DrawElements(this.primitiveMode, this.triangleIndexCount, OpenGL.GL_UNSIGNED_INT, IntPtr.Zero);
// Unbind our vertex array and shader.
gl.BindVertexArray(0);
gl.Disable(OpenGL.GL_PRIMITIVE_RESTART);
shader.Unbind(gl);
}
public void Render(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
gl.BindVertexArray(vao[0]);
gl.DrawArrays((uint)primitiveMode, 0, vertexCount);
gl.BindVertexArray(0);
}
public void Render(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
gl.BindVertexArray(vao[0]);
//GL.DrawArrays(primitiveMode, 0, vertexCount);
gl.DrawElements((uint)primitiveMode, faceCount * 2 + 2, OpenGL.GL_UNSIGNED_INT, IntPtr.Zero);
gl.BindVertexArray(0);
}
/// <summary>
/// 渲染此元素。
/// </summary>
/// <param name="gl"></param>
/// <param name="renderMode"></param>
public virtual void Render(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
if (!this.isInitialized)
{
this.Initialize(gl);
this.isInitialized = true;
}
BeforeRendering(gl, renderMode);
if (this.method == 1)
{
this.RenderZhuwei(gl, renderMode);
}
if (this.method == 2)
{
this.RenderWithStruct(gl, renderMode);
}
AfterRendering(gl, renderMode);
}
/// <summary>
/// 渲染此元素。
/// </summary>
/// <param name="gl"></param>
/// <param name="renderMode"></param>
public virtual void Render(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode)
{
BeforeRendering(gl, renderMode);
ShaderProgram shader = this.shaderProgram;// GetShader(gl, renderMode);
shader.Bind(gl);
// 用VAO+EBO进行渲染。
// Bind the out vertex array.
gl.BindVertexArray(vao[0]);
gl.DrawArrays(this.primitiveMode, 0, this.primitiveCount);
// Unbind our vertex array and shader.
gl.BindVertexArray(0);
shader.Unbind(gl);
AfterRendering(gl, renderMode);
}
/// <summary> /// 在IRenderable.Render()执行完毕时会调用此方法。 /// </summary> /// <param name="gl"></param> /// <param name="renderMode"></param> protected abstract void AfterRendering(SharpGL.OpenGL gl, SharpGL.SceneGraph.Core.RenderMode renderMode);
