public void Init(object sender, OpenGLEventArgs args)
{
SceneControl = sender as OpenGLControlJOG;
// Set up the view.
MvpBuilder.FovRadians = (float)Math.PI / 2f; // Set FOV to 90°
MvpBuilder.Far = 100f;
MvpBuilder.Near = 0.01f;
MvpBuilder.Width = (int)SceneControl.ActualWidth;
MvpBuilder.Height = (int)SceneControl.ActualHeight;
MvpBuilder.TranslationZ = -10;
MvpBuilder.BuildPerspectiveProjection();
MvpBuilder.BuildTurntableModelview();
// Create a shader program.
NtmProgram = new NormalTranslucentMaterialProgram(GL);
ProjectionMatrix = MvpBuilder.ProjectionMatrix;
ModelviewMatrix = MvpBuilder.ModelviewMatrix;
NormalMatrix = mat3.identity();
NtmProgram.LightPosition = new vec3(5, 10, 15);
AddData(GL);
GL.DepthMask(OpenGL.GL_FALSE);
GL.Enable(OpenGL.GL_BLEND);
GL.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA);
GL.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
}
public void PrepareVAO(OpenGL gl, NormalTranslucentMaterialProgram program)
{
var vertArrIds = new uint[1];
gl.GenVertexArrays(1, vertArrIds);
Vao = vertArrIds[0];
gl.BindVertexArray(Vao);
BindVBOs(gl, program);
gl.EnableVertexAttribArray(0);
gl.BindVertexArray(0);
}
public void BindVBOs(OpenGL gl, NormalTranslucentMaterialProgram program)
{
var attribPos = program.Attribs["Position"];
gl.BindBuffer(_vboTarget, Position);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["Normal"];
gl.BindBuffer(_vboTarget, Normal);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["AmbientMaterial"];
gl.BindBuffer(_vboTarget, AmbientMaterial);
gl.VertexAttribPointer(attribPos, 4, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["DiffuseMaterial"];
gl.BindBuffer(_vboTarget, DiffuseMaterial);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["SpecularMaterial"];
gl.BindBuffer(_vboTarget, SpecularMaterial);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["ShininessValue"];
gl.BindBuffer(_vboTarget, ShininessValue);
gl.VertexAttribPointer(attribPos, 1, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
gl.BindBuffer(_iboTarget, Ibo);
}
public void Init(object sender, OpenGLEventArgs args)
{
SceneControl = sender as OpenGLControlJOG;
// Set up the view.
MvpBuilder.FovRadians = (float)Math.PI / 2f; // Set FOV to 90°
MvpBuilder.Far = 100f;
MvpBuilder.Near = 0.01f;
MvpBuilder.Width = (int)SceneControl.ActualWidth;
MvpBuilder.Height = (int)SceneControl.ActualHeight;
MvpBuilder.TranslationZ = -10;
MvpBuilder.BuildPerspectiveProjection();
MvpBuilder.BuildTurntableModelview();
// Create a shader program.
NtmProgram = new NormalTranslucentMaterialProgram(GL);
ProjectionMatrix = MvpBuilder.ProjectionMatrix;
ModelviewMatrix = MvpBuilder.ModelviewMatrix;
NormalMatrix = mat3.identity();
NtmProgram.LightPosition = new vec3(5, 10, 15);
AddData(GL);
GL.DepthMask(OpenGL.GL_FALSE);
GL.Enable(OpenGL.GL_BLEND);
GL.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA);
GL.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
}
public void BindVBOs(OpenGL gl, NormalTranslucentMaterialProgram program)
{
var attribPos = program.Attribs["Position"];
gl.BindBuffer(_vboTarget, Position);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["Normal"];
gl.BindBuffer(_vboTarget, Normal);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["AmbientMaterial"];
gl.BindBuffer(_vboTarget, AmbientMaterial);
gl.VertexAttribPointer(attribPos, 4, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["DiffuseMaterial"];
gl.BindBuffer(_vboTarget, DiffuseMaterial);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["SpecularMaterial"];
gl.BindBuffer(_vboTarget, SpecularMaterial);
gl.VertexAttribPointer(attribPos, 3, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
attribPos = program.Attribs["ShininessValue"];
gl.BindBuffer(_vboTarget, ShininessValue);
gl.VertexAttribPointer(attribPos, 1, OpenGL.GL_FLOAT, false, 0, IntPtr.Zero);
gl.VertexAttribDivisor(attribPos, 1);
gl.EnableVertexAttribArray(attribPos);
gl.BindBuffer(_iboTarget, Ibo);
}
public void PrepareVAO(OpenGL gl, NormalTranslucentMaterialProgram program)
{
var vertArrIds = new uint[1];
gl.GenVertexArrays(1, vertArrIds);
Vao = vertArrIds[0];
gl.BindVertexArray(Vao);
BindVBOs(gl, program);
gl.EnableVertexAttribArray(0);
gl.BindVertexArray(0);
}
