internal static void UpdateViewport(ViewPortChangeMode Mode)
{
if (Mode == ViewPortChangeMode.ChangeToCab)
{
CurrentViewPortMode = ViewPortMode.Cab;
}
else
{
CurrentViewPortMode = ViewPortMode.Scenery;
}
GL.Viewport(0, 0, Screen.Width, Screen.Height);
World.AspectRatio = (double)Screen.Width / (double)Screen.Height;
World.HorizontalViewingAngle = 2.0 * Math.Atan(Math.Tan(0.5 * World.VerticalViewingAngle) * World.AspectRatio);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
if (CurrentViewPortMode == ViewPortMode.Cab)
{
Matrix4d perspective = Matrix4d.Perspective(World.VerticalViewingAngle, -World.AspectRatio, 0.025, 50.0);
GL.MultMatrix(ref perspective);
}
else
{
var b = BackgroundManager.CurrentBackground as BackgroundManager.BackgroundObject;
var cd = b != null?Math.Max(World.BackgroundImageDistance, b.ClipDistance) : World.BackgroundImageDistance;
Matrix4d perspective = Matrix4d.Perspective(World.VerticalViewingAngle, -World.AspectRatio, 0.5, cd);
GL.MultMatrix(ref perspective);
}
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
}
internal static void UpdateViewport(ViewPortChangeMode Mode)
{
if (Mode == ViewPortChangeMode.ChangeToCab)
{
CurrentViewPortMode = ViewPortMode.Cab;
}
else
{
CurrentViewPortMode = ViewPortMode.Scenery;
}
GL.Viewport(0, 0, Screen.Width, Screen.Height);
World.AspectRatio = (double)Screen.Width / (double)Screen.Height;
World.HorizontalViewingAngle = 2.0 * Math.Atan(Math.Tan(0.5 * World.VerticalViewingAngle) * World.AspectRatio);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
//This value was used to convert radians to degrees
//OpenTK works in radians, so removed.....
//const double invdeg = 57.295779513082320877;
if (CurrentViewPortMode == ViewPortMode.Cab)
{
//Glu.Perspective(World.VerticalViewingAngle * invdeg, -World.AspectRatio, 0.025, 50.0);
Matrix4d perspective = Matrix4d.Perspective(World.VerticalViewingAngle, -World.AspectRatio, 0.025, 50.0);
GL.MultMatrix(ref perspective);
}
else
{
Matrix4d perspective = Matrix4d.Perspective(World.VerticalViewingAngle, -World.AspectRatio, 0.5, World.BackgroundImageDistance);
GL.MultMatrix(ref perspective);
}
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
}
internal static void UpdateViewport(ViewPortChangeMode Mode)
{
if (Mode == ViewPortChangeMode.ChangeToCab) {
CurrentViewPortMode = ViewPortMode.Cab;
} else {
CurrentViewPortMode = ViewPortMode.Scenery;
}
Gl.glViewport(0, 0, Screen.Width, Screen.Height);
World.AspectRatio = (double)Screen.Width / (double)Screen.Height;
World.HorizontalViewingAngle = 2.0 * Math.Atan(Math.Tan(0.5 * World.VerticalViewingAngle) * World.AspectRatio);
Gl.glMatrixMode(Gl.GL_PROJECTION);
Gl.glLoadIdentity();
const double invdeg = 57.295779513082320877;
if (CurrentViewPortMode == ViewPortMode.Cab) {
Glu.gluPerspective(World.VerticalViewingAngle * invdeg, -World.AspectRatio, 0.025, 50.0);
} else {
Glu.gluPerspective(World.VerticalViewingAngle * invdeg, -World.AspectRatio, 0.5, World.BackgroundImageDistance);
}
Gl.glMatrixMode(Gl.GL_MODELVIEW);
Gl.glLoadIdentity();
}
internal static void UpdateViewport(ViewPortChangeMode Mode) {
CurrentViewPortMode = Mode == ViewPortChangeMode.ChangeToCab ? ViewPortMode.Cab : ViewPortMode.Scenery;
GL.Viewport(0, 0, Screen.Width, Screen.Height);
World.AspectRatio = (double)Screen.Width / (double)Screen.Height;
World.HorizontalViewingAngle = 2.0 * Math.Atan(Math.Tan(0.5 * World.VerticalViewingAngle) * World.AspectRatio);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
const double invdeg = 57.295779513082320877;
if (CurrentViewPortMode == ViewPortMode.Cab) {
Matrix4d persp = Matrix4d.CreatePerspectiveFieldOfView(World.VerticalViewingAngle/* * invdeg * Math.PI / 180*/, World.AspectRatio, 0.025, 50.0);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref persp);
GL.Scale(-1,1,1);
} else {
Matrix4d persp = Matrix4d.CreatePerspectiveFieldOfView(World.VerticalViewingAngle/* * invdeg * Math.PI / 180*/, World.AspectRatio, 0.5, World.BackgroundImageDistance);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref persp);
GL.Scale(-1,1,1);
}
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
}
internal static void UpdateViewport(ViewPortChangeMode Mode) {
if (Mode == ViewPortChangeMode.ChangeToCab) {
CurrentViewPortMode = ViewPortMode.Cab;
} else {
CurrentViewPortMode = ViewPortMode.Scenery;
}
GL.Viewport(0,0,Screen.Width, Screen.Height);
World.AspectRatio = (double)Screen.Width / (double)Screen.Height;
World.HorizontalViewingAngle = 2.0 * Math.Atan(Math.Tan(0.5 * World.VerticalViewingAngle) * World.AspectRatio);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
//This value was used to convert radians to degrees
//OpenTK works in radians, so removed.....
//const double invdeg = 57.295779513082320877;
if (CurrentViewPortMode == ViewPortMode.Cab) {
//Glu.Perspective(World.VerticalViewingAngle * invdeg, -World.AspectRatio, 0.025, 50.0);
Matrix4d perspective = Matrix4d.Perspective(World.VerticalViewingAngle,-World.AspectRatio, 0.025, 50.0);
GL.MultMatrix(ref perspective);
} else {
Matrix4d perspective = Matrix4d.Perspective(World.VerticalViewingAngle, -World.AspectRatio, 0.5, World.BackgroundImageDistance);
GL.MultMatrix(ref perspective);
}
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
}