private void RenderGraphicsToScreen()
{
OpenGLUtil.UseFrameBuffer(0); // make sure we are rendering to the screen
GL.Viewport(0, 0, Width, Height); // set view prot to cover full window
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
mainProgram.UseProgram();
// camera properties
Matrix4 proj = Matrix4.CreatePerspectiveFieldOfView(Camera.VertFOV, Camera.AspectRatio, Camera.MinRange, Camera.MaxRange); // camera props
Matrix4 view = Matrix4.LookAt(Camera.Pos.ToGLVector3(), Camera.LookAtPos.ToGLVector3(), Camera.UpDir.ToGLVector3()); // camera state
mainProgram.SetCameraPosition(Camera.Pos.ToGLVector3());
// light/shadow properties
mainProgram.AddLights(openGLLights.ToArray());
// material properties
float shininess = 50.0f;
Vector3 specularColor = (Color.White.ToGLVector3());
mainProgram.SetMaterialProperties(specularColor, shininess);
mainProgram.EnableAttributes();
mainProgram.LoadBuffer(vertexBufferID);
int startIndex = 0;
foreach (IGraphicalBody body in Bodies)
{
// get the model matrix and send it
Matrix4 scale = Matrix4.Identity;
Matrix4 rotation = Matrix4.CreateFromQuaternion(body.Orientation.ToGLQuaternion());
Matrix4 translation = Matrix4.CreateTranslation(body.Translation.ToGLVector3());
Matrix4 model = scale * rotation * translation;
mainProgram.SetMVP(model, view, proj);
mainProgram.SetShadowCasterMVPs(LightSources.Select((l, i) => model * depthViews[i] * depthProjs[i]).ToArray());
int numVerts = body.Triangles.Length * 3;
GL.DrawArrays(PrimitiveType.Triangles, startIndex, numVerts);
startIndex += numVerts;
}
mainProgram.DisableAttributes();
}
private void RenderVR(Matrix4 viewProjMatrix, Vector3 camPos)
{
mainProgram.UseProgram();
// camera properties
mainProgram.SetCameraPosition(camPos);
// light/shadow properties
mainProgram.AddLights(openGLLights.ToArray());
// material properties
float shininess = 50.0f;
Vector3 specularColor = (Color.White.ToGLVector3());
mainProgram.SetMaterialProperties(specularColor, shininess);
mainProgram.EnableAttributes();
mainProgram.LoadBuffer(vertexBufferID);
int startIndex = 0;
foreach (IGraphicalBody body in Bodies)
{
// get the model matrix and send it
Matrix4 scale = Matrix4.Identity;
Matrix4 rotation = Matrix4.CreateFromQuaternion(body.Orientation.ToGLQuaternion());
Matrix4 translation = Matrix4.CreateTranslation(body.Translation.ToGLVector3());
Matrix4 model = scale * rotation * translation;
mainProgram.SetMVP(viewProjMatrix, model);
mainProgram.SetShadowCasterMVPs(LightSources.Select((l, i) => model * depthViews[i] * depthProjs[i]).ToArray());
int numVerts = body.Triangles.Length * 3;
GL.DrawArrays(PrimitiveType.Triangles, startIndex, numVerts);
startIndex += numVerts;
}
mainProgram.DisableAttributes();
}
