public static void CreateBasicLighting(OpenGLWindow _window, Vector4 _position)
{
//ThrowIfNull(_window);
OpenGL context = _window.Context;
context.Enable(OpenGL.GL_DEPTH_TEST);
float[] global_ambient = new float[] { 0.5f, 0.5f, 0.5f, 1.0f };
float[] light0ambient = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
float[] light0diffuse = new float[] { 0.3f, 0.3f, 0.3f, 1.0f };
float[] light0specular = new float[] { 0.8f, 0.8f, 0.8f, 1.0f };
float[] lmodel_ambient = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
context.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
context.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, global_ambient);
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_POSITION, _position.ToFloatArray());
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_AMBIENT, light0ambient);
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_DIFFUSE, light0diffuse);
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_SPECULAR, light0specular);
context.Enable(OpenGL.GL_LIGHTING);
context.Enable(OpenGL.GL_LIGHT0);
context.ShadeModel(OpenGL.GL_SMOOTH);
}
public static void CreateBasicLighting(OpenGLWindow _window, Vector4 _position)
{
//ThrowIfNull(_window);
OpenGL context = _window.Context;
context.Enable(OpenGL.GL_DEPTH_TEST);
float[] global_ambient = new float[] { 0.5f, 0.5f, 0.5f, 1.0f };
float[] light0ambient = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
float[] light0diffuse = new float[] { 0.3f, 0.3f, 0.3f, 1.0f };
float[] light0specular = new float[] { 0.8f, 0.8f, 0.8f, 1.0f };
float[] lmodel_ambient = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
context.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
context.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, global_ambient);
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_POSITION, _position.ToFloatArray());
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_AMBIENT, light0ambient);
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_DIFFUSE, light0diffuse);
context.Light(OpenGL.GL_LIGHT0, OpenGL.GL_SPECULAR, light0specular);
context.Enable(OpenGL.GL_LIGHTING);
context.Enable(OpenGL.GL_LIGHT0);
context.ShadeModel(OpenGL.GL_SMOOTH);
}
public static void DrawRotatedTeaPot(OpenGLWindow _window, float _angle)
{
//ThrowIfNull(_window);
// Clear The Screen And The Depth Buffer
_window.Context.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
// Move Left And Into The Screen
_window.Context.LoadIdentity();
_window.Context.Rotate(_angle, 0.0f, 1.0f, 0.0f);
Teapot teapot = new Teapot();
teapot.Draw(_window.Context, 14, 1, OpenGL.GL_FILL);
}
public static void BasicResize(OpenGLWindow _window, Size _size)
{
//ThrowIfNull(_window);
OpenGL context = _window.Context;
// Set the projection matrix.
context.MatrixMode(OpenGL.GL_PROJECTION);
// Load the identity.
context.LoadIdentity();
// Create a perspective transformation.
context.Perspective(60.0f, _size.Width / _size.Height, 0.01, 100.0);
// Use the 'look at' helper function to position and aim the camera.
context.LookAt(0, 0, 2, 0, 0, 0, 0, 1, 0);
// Set the modelview matrix.
context.MatrixMode(OpenGL.GL_MODELVIEW);
}
public static void BasicResize(OpenGLWindow _window, Size _size)
{
//ThrowIfNull(_window);
OpenGL context = _window.Context;
// Set the projection matrix.
context.MatrixMode(OpenGL.GL_PROJECTION);
// Load the identity.
context.LoadIdentity();
// Create a perspective transformation.
context.Perspective(60.0f, _size.Width / _size.Height, 0.01, 100.0);
// Use the 'look at' helper function to position and aim the camera.
context.LookAt(0, 0, 2, 0, 0, 0, 0, 1, 0);
// Set the modelview matrix.
context.MatrixMode(OpenGL.GL_MODELVIEW);
}
public static void CreateBasicShader(OpenGLWindow _window)
{
//ThrowIfNull(_window);
OpenGL context = _window.Context;
// Create a vertex shader.
VertexShader vertexShader = new VertexShader();
vertexShader.CreateInContext(context);
vertexShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_Position = ftransform();" + Environment.NewLine +
"}" + Environment.NewLine);
// Create a fragment shader.
FragmentShader fragmentShader = new FragmentShader();
fragmentShader.CreateInContext(context);
fragmentShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_FragColor = vec4(0.4,0.4,0.8,1.0);" + Environment.NewLine +
"}" + Environment.NewLine);
// Compile them both.
vertexShader.Compile();
fragmentShader.Compile();
// Build a program.
_window.m_shaderProgram.CreateInContext(context);
// Attach the shaders.
_window.m_shaderProgram.AttachShader(vertexShader);
_window.m_shaderProgram.AttachShader(fragmentShader);
_window.m_shaderProgram.Link();
}
//utilities
public static void SetClearColor(OpenGLWindow _window, Color _color)
{
//ThrowIfNull(_window);
_window.Context.ClearColor(_color.R, _color.G, _color.B, _color.A);
}
public virtual void Resized(object sender, OpenGLEventArgs args)
{
OpenGLControl control = (OpenGLControl)sender;
OpenGLWindow.BasicResize(OpenGLWindow, control.RenderSize);
}
public virtual void Initialized(object sender, OpenGLEventArgs args)
{
OpenGLWindow.Initialized(sender, args);
}
public static void CreateBasicShader(OpenGLWindow _window)
{
//ThrowIfNull(_window);
OpenGL context = _window.Context;
// Create a vertex shader.
VertexShader vertexShader = new VertexShader();
vertexShader.CreateInContext(context);
vertexShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_Position = ftransform();" + Environment.NewLine +
"}" + Environment.NewLine);
// Create a fragment shader.
FragmentShader fragmentShader = new FragmentShader();
fragmentShader.CreateInContext(context);
fragmentShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_FragColor = vec4(0.4,0.4,0.8,1.0);" + Environment.NewLine +
"}" + Environment.NewLine);
// Compile them both.
vertexShader.Compile();
fragmentShader.Compile();
// Build a program.
_window.m_shaderProgram.CreateInContext(context);
// Attach the shaders.
_window.m_shaderProgram.AttachShader(vertexShader);
_window.m_shaderProgram.AttachShader(fragmentShader);
_window.m_shaderProgram.Link();
}
//utilities
public static void SetClearColor(OpenGLWindow _window, Color _color)
{
//ThrowIfNull(_window);
_window.Context.ClearColor(_color.R, _color.G, _color.B, _color.A);
}
public static void DrawRotatedTeaPot(OpenGLWindow _window, float _angle)
{
//ThrowIfNull(_window);
// Clear The Screen And The Depth Buffer
_window.Context.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
// Move Left And Into The Screen
_window.Context.LoadIdentity();
_window.Context.Rotate(_angle, 0.0f, 1.0f, 0.0f);
Teapot teapot = new Teapot();
teapot.Draw(_window.Context, 14, 1, OpenGL.GL_FILL);
}
