// This method is used to adjust a radius of the sphere the coordinate system of the camera
// is based on. This means that the larger the radius, the further zoomed out you are.
private void trackBar_zoom_ValueChanged(object sender, System.EventArgs e)
{
viewingAngle[6] = (trackBar_zoom.Value);
SphereCoordinates.setRadius(viewingAngle[6]);
SphereCoordinates.updateCoordinates(viewingAngle[0], viewingAngle[1], viewingAngle[2]);
glControl1.Invalidate();
}
// Constructor and Initializer
// Creates the form/window
public QTELRMainWindow()
{
InitializeComponent();
SphereCoordinates.setCoordinates(0, 0, 1000);
SphereCoordinates.setRadius(1000);
//trackBar_rotateX.Value = 0;
//trackBar_rotateY.Value = 0;
//trackBar_rotateZ.Value = 0;
trackBar_panX.Value = 0;
trackBar_panY.Value = 0;
trackBar_panZ.Value = 0;
//trackBar_zoom.Value = 1000;
createModelGroup();
setUpKinect();
}
// Event Methods for Controlling Perspective on GUI
// RotateX value changed event
// This method assigns a new value to the angle to be used in calculating camera position on the XZ plane
private void trackBar_rotateX_ValueChanged(object sender, System.EventArgs e)
{
viewingAngle[0] = (trackBar_rotateX.Value / 10000.0);
SphereCoordinates.updateCoordinates(viewingAngle[0], viewingAngle[1], viewingAngle[2]);
glControl1.Invalidate();
}
// This is the main function for determining what will be rendered
private void glControl1_Paint(object sender, PaintEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
//Basic Setup for viewing
Matrix4d perspective = Matrix4d.CreatePerspectiveFieldOfView(1.04f, 3 / 4f, 1f, 100000f);
//Setup Perspective
//the first argument (Set of 3) is the location of your camera, so m_eye seems correct
//the second argument (Set of 3) is the point the camera centers on, so you'll want a
//location relative to your eye location or you'll always be focused on a single point in space
//the third argument (Set of 3) is to indicate what direction should be considered "up"
Matrix4d lookat = Matrix4d.LookAt(SphereCoordinates.getX(),
SphereCoordinates.getY(), SphereCoordinates.getZ(), viewingAngle[3], viewingAngle[4], viewingAngle[5],
0, -1, 0);
//Set labels
cameraPositionLabel.Text = "<" + Math.Round(SphereCoordinates.getX()) + ", " + Math.Round(SphereCoordinates.getY()) + ", " +
Math.Round(SphereCoordinates.getZ()) + "> with Radius: " + SphereCoordinates.getRadius();
lookingAtLabel.Text = "<" + Math.Round(viewingAngle[3]) + ", " + Math.Round(viewingAngle[4]) + ", " +
Math.Round(viewingAngle[5]) + ">";
//Setup camera
GL.MatrixMode(MatrixMode.Projection);
//Load Perspective
GL.LoadIdentity();
GL.LoadMatrix(ref perspective);
GL.MatrixMode(MatrixMode.Modelview);
//Load Camera
GL.LoadIdentity();
GL.LoadMatrix(ref lookat);
GL.Viewport(0, 0, glControl1.Width, glControl1.Height);
//Size of window
GL.Enable(EnableCap.DepthTest);
//Enable correct Z Drawings
GL.DepthFunc(DepthFunction.Less);
// GL.Rotate(1, 0, 1, 0);
GL.PushMatrix();
//Rotating
//GL.Rotate(1, 0, 0, 1);
//GL.Rotate(1, 0, 1, 0);
// Translation of object across axii
//GL.Translate(new Vector3((float)this.viewingAngle[3], (float)this.viewingAngle[4], (float)this.viewingAngle[5]));
// Objects to be displayed go here.
//Draw pyramid, Y is up and down, Z is towards you, X is left and right
//Vertex goes (X,Y,Z)
GL.Begin(PrimitiveType.Points);
paintVertices();
GL.End();
GL.Begin(PrimitiveType.Lines);
//Line X
GL.Color3(Color.Red);
GL.Vertex3(0, 0, 0);
GL.Vertex3(100, 0, 0);
//Line Y
GL.Color3(Color.Blue);
GL.Vertex3(0, 0, 0);
GL.Vertex3(0, 100, 0);
//Line Z
GL.Color3(Color.Green);
GL.Vertex3(0, 0, 0);
GL.Vertex3(0, 0, 100);
GL.End();
GL.PopMatrix();
//Rotating
//GL.Rotate(1, 0, 0, 1);
//GL.Rotate(1, 0, 1, 0);
glControl1.SwapBuffers();
}