private void GL_Init(object sender, OpenGLRoutedEventArgs args)
{
OpenGL gl = args.OpenGL;
gl.Enable(OpenGL.GL_DEPTH_TEST);
float[] global_ambient = new float[] { 0.5f, 0.5f, 0.5f, 1.0f };
float[] light0pos = new float[] { 0.0f, 5.0f, 10.0f, 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 };
gl.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
gl.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, global_ambient);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_POSITION, light0pos);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_AMBIENT, light0ambient);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_DIFFUSE, light0diffuse);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_SPECULAR, light0specular);
gl.Enable(OpenGL.GL_LIGHTING);
gl.Enable(OpenGL.GL_LIGHT0);
gl.ShadeModel(OpenGL.GL_SMOOTH);
grid.GenerateGeometry(gl);
ShaderStore.CompileShaders(gl);
}
private void GL_Draw(object sender, OpenGLRoutedEventArgs args)
{
OpenGL gl = args.OpenGL;
foreach (var sceneObject in Hierarchy.HierarchyObjectList)
{
if (!sceneObject.MeshRenderer.Mesh.GeometryGenerated)
{
sceneObject.MeshRenderer.Mesh.GenerateGeometry(gl);
}
}
#if DEBUG
#region Hot Reload Shaders
ShaderStore.CompileShadersHotReload(gl);
OnShaderError(ShaderStore.GetShaderErrors());
#endregion
#endif
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT | OpenGL.GL_STENCIL_BUFFER_BIT);
gl.ClearColor((float)37 / 255, (float)37 / 255, (float)38 / 255, 1);
ShaderProgram program = ShaderStore.programs["unlitColor"];
program.Push(gl, null);
// Set the variables for the shader program.
gl.Uniform3(program.GetUniformLocation("AmbientMaterial"), 0.04f, 0.04f, 0.04f);
gl.Uniform3(program.GetUniformLocation("SpecularMaterial"), 0.5f, 0.5f, 0.5f);
gl.Uniform1(program.GetUniformLocation("Shininess"), 50f);
// Set the light position.
gl.Uniform3(program.GetUniformLocation("LightPosition"), 0.25f, 0.25f, 1f);
// Set the matrices.
gl.UniformMatrix4(program.GetUniformLocation("Projection"), 1, false, projectionMatrix.ToArray());
gl.UniformMatrix4(program.GetUniformLocation("View"), 1, false, cameraTransform.ToArray());
gl.UniformMatrix3(program.GetUniformLocation("NormalMatrix"), 1, false, normalMatrix.ToArray());
// Draw Grid
grid.Draw(gl, program);
foreach (var sceneObject in Hierarchy.HierarchyObjectList)
{
GLColor col = sceneObject.MeshRenderer.Color;
gl.Uniform3(program.GetUniformLocation("DiffuseMaterial"), col.R, col.G, col.B);
gl.UniformMatrix4(program.GetUniformLocation("Model"), 1, false, sceneObject.Transform.Matrix.ToArray());
sceneObject.MeshRenderer.Mesh.Draw(gl);
}
program.Pop(gl, null);
}
