public void Rotate(double deltaX, double deltaY)
{
//double p = ((((((pitch) > (minRy)) ? (pitch) : (minRy))) < (maxRy)) ? ((((pitch) > (minRy)) ? (pitch) : (minRy))) : (maxRy));
//base.Rotate(yaw, p, roll);
double mouseSpeed = 0.1f;
double horizontalAngle = mouseSpeed * deltaX;
double verticalAngle = mouseSpeed * deltaY;
//// Direction : Spherical coordinates to Cartesian coordinates conversion
Vector3d directionNew = new Vector3d(Convert.ToSingle(Math.Cos(verticalAngle) * Math.Sin(horizontalAngle)),
Convert.ToSingle(Math.Sin(verticalAngle)),
Convert.ToSingle(Math.Cos(verticalAngle) * Math.Cos(horizontalAngle)));
//// Right vector
Vector3d rightV = new Vector3d(Convert.ToSingle(Math.Sin(horizontalAngle - 3.14f / 2.0f)),
0,
Convert.ToSingle(Math.Cos(horizontalAngle - 3.14f / 2.0f)));
//// Up vector
Vector3d up = Vector3d.Cross(right, directionNew);
V = Matrix4d.LookAt(Position, // Camera is here
Position + directionNew, // and looks here : at the same position, plus "direction"
up); // Head is up (set to 0,-1,0 to look upside-down)
}
public void SetupGLView()
{
GL.MatrixMode(MatrixMode.Modelview);
Matrix4d lookAt = Matrix4d.LookAt(mEye, mCenter, mUp);
GL.LoadMatrix(ref lookAt);
}
private void glControl1_Paint(object sender, PaintEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit); //limpa os buffers
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity(); //zera a matriz de proje��o com a matriz identidade
Matrix4d lookat = Matrix4d.LookAt(pos.X, pos.Y, pos.Z, dir.X, dir.Y, dir.Z, 0, 0, 1);
//aplica a transformacao na matriz de rotacao
GL.LoadMatrix(ref lookat);
//GL.Rotate(camera_rotation, 0, 0, 1);
GL.Enable(EnableCap.DepthTest);
//EIXOS X, Y, Z
GL.Begin(PrimitiveType.Lines);
GL.Color3(Color.Red);
GL.Vertex3(0, 0, 0); GL.Vertex3(500, 0, 0);
GL.Color3(Color.Blue);
GL.Vertex3(0, 0, 0); GL.Vertex3(0, 500, 0);
GL.Color3(Color.Green);
GL.Vertex3(0, 0, 0); GL.Vertex3(0, 0, 500);
GL.End();
casaDraw();
//Utilizamos o Enable para ativar o desenho com as texturas
glControl1.SwapBuffers(); //troca os buffers de frente e de fundo
}
public bool UpdateMatrices()
{
if (hasChanged == false)
{
return(false);
}
hasChanged = false;
ViewMatrix = Matrix4d.LookAt(Position, LookAt, Vector3d.UnitY);
switch (ProjectionType)
{
case ProjectionType.Perspective:
ProjectionMatrix = Matrix4d.CreatePerspectiveFieldOfView(FovRads, Width / (float)Height, NearZ, FarZ);
break;
case ProjectionType.Ortographic:
var halfWidth = Width / 2f;
var halfHeight = Height / 2f;
ProjectionMatrix = Matrix4d.CreateOrthographicOffCenter(-halfWidth, halfWidth, -halfHeight, halfHeight, NearZ, FarZ);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(true);
}
private void Render()
{
glControl1.MakeCurrent(); //后续OpenGL显示操作在当前控件窗口内进行
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
SetupLineList();
if (isBackGround)
{
GradientBackgroudColor();
}
if (octree != null)
{
octree.render();
}
GL.CallList(isShowListNum);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
Matrix4d lookat = Matrix4d.LookAt(c.X, c.Y, c.Z, l.X, l.Y, l.Z, h.X, h.Y, h.Z);
GL.LoadMatrix(ref lookat);
GL.Rotate(MouseY, 1, 0, 0);
GL.Rotate(MouseX, 0, 1, 0);
GL.Rotate(MouseZ, 0, 0, 1);
GL.Scale(scale, scale, scale);
glControl1.SwapBuffers();
//交换缓冲区。双缓冲绘制时，所有的绘制都是绘制到后台缓冲区里，如果不交换缓冲区，就看不到绘制内容。OpenTK 默认双缓冲
}
/// <summary>
/// Call this once to initialise the renderer
/// </summary>
internal static void Initialize()
{
GL.ShadeModel(ShadingModel.Smooth);
GL.ClearColor(Color4.Black);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Enable(EnableCap.DepthTest);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.DepthFunc(DepthFunction.Lequal);
GL.Hint(HintTarget.FogHint, HintMode.Fastest);
GL.Hint(HintTarget.LineSmoothHint, HintMode.Fastest);
GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Fastest);
GL.Hint(HintTarget.PointSmoothHint, HintMode.Fastest);
GL.Hint(HintTarget.PolygonSmoothHint, HintMode.Fastest);
GL.Hint(HintTarget.GenerateMipmapHint, HintMode.Nicest);
GL.Disable(EnableCap.Dither);
GL.CullFace(CullFaceMode.Front);
GL.Enable(EnableCap.CullFace); CullEnabled = true;
GL.Disable(EnableCap.Lighting); LightingEnabled = false;
GL.Disable(EnableCap.Texture2D); TexturingEnabled = false;
Interface.LoadHUD();
InitLoading();
Matrix4d lookat = Matrix4d.LookAt(0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref lookat);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.Blend); BlendEnabled = true;
GL.Disable(EnableCap.Lighting); LightingEnabled = false;
GL.Disable(EnableCap.Fog);
}
private void DrawStereoImages()
{
Vector3d vectorLeftEye = this.eye - this.distEye * (double)this.StereoDistance * this.esq;
GL.DrawBuffer(DrawBufferMode.BackRight);
GL.ClearColor(this.ClearColor[0], this.ClearColor[1], this.ClearColor[2], 0.0f);
GL.Clear(ClearBufferMask.DepthBufferBit | ClearBufferMask.ColorBufferBit);
GL.LoadIdentity();
Matrix4d perspectiveFieldOfView1 = Matrix4d.CreatePerspectiveFieldOfView(Math.PI / 4.0, (double)this.glControl1.Width / (double)this.glControl1.Height, (double)this.zFar * 0.001, (double)this.zFar + 1000.0);
GL.LoadMatrix(ref perspectiveFieldOfView1);
Matrix4d mat1 = Matrix4d.LookAt(vectorLeftEye.X, vectorLeftEye.Y, vectorLeftEye.Z, this.center.X, this.center.Y, this.center.Z, this.up.X, this.up.Y, this.up.Z);
GL.MultMatrix(ref mat1);
this.DrawAll3DObjects();
Vector3d vectorRightEye = this.eye + this.distEye * (double)this.StereoDistance * this.esq;
GL.DrawBuffer(DrawBufferMode.BackLeft);
GL.ClearColor(this.ClearColor[0], this.ClearColor[1], this.ClearColor[2], 0.0f);
GL.Clear(ClearBufferMask.DepthBufferBit | ClearBufferMask.ColorBufferBit);
GL.LoadIdentity();
Matrix4d perspectiveFieldOfView2 = Matrix4d.CreatePerspectiveFieldOfView(Math.PI / 4.0, (double)this.glControl1.Width / (double)this.glControl1.Height, (double)this.zFar * 0.001, (double)this.zFar + 1000.0);
GL.LoadMatrix(ref perspectiveFieldOfView2);
Matrix4d mat2 = Matrix4d.LookAt(vectorRightEye.X, vectorRightEye.Y, vectorRightEye.Z, this.center.X, this.center.Y, this.center.Z, this.up.X, this.up.Y, this.up.Z);
GL.MultMatrix(ref mat2);
this.DrawAll3DObjects();
this.glControl1.SwapBuffers();
}
public MGUI(string sName = "GUI") : base(sName)
{
_instance = this;
CreateGeometry = false;
_projectionMatrix = Matrix4d.CreateOrthographicOffCenter(0, 100, 0, 100, 0.01, 50);
_viewMatrix = Matrix4d.LookAt(new Vector3d(0, 0, 10), new Vector3d(0, 0, 0), new Vector3d(0, 1, 0));
}
private void SetupCamera()
{
GL.MatrixMode(MatrixMode.Modelview);
var eye = new Vector3d(xpos, ypos, zpos);
Matrix4d matrix = Matrix4d.LookAt(eye, new Vector3d(64, 0, 64), Vector3d.UnitY);
GL.LoadMatrix(ref matrix);
}
public Matrix4d UpdateLookAt()
{
lookAt = Matrix4d.LookAt(CameraX, CameraY, CameraZ,
CameraX + lookX, (CameraY + lookY) - 0.1 + lookdown * 0.1 + lookY, CameraZ + lookZ,
0, 1, 0);
return(lookAt);
}
public virtual Matrix4d GetCameraMatrix()
{
Position.Normalize();
Target.Normalize();
Up.Normalize();
return(Matrix4d.LookAt(Position, Target, Up));
}
private void Form1_Load(object sender, EventArgs e)
{
InitialGL();
Matrix4d lookat = Matrix4d.LookAt(0, 0, 1, 0, 0, 0, 0, 1, 0);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref lookat);
PaintBall();
}
protected override void OnRenderFrame(FrameEventArgs e)
{
double fpsstability = 10.0;
this._AverageFPS = (this.RenderFrequency + this._AverageFPS * fpsstability) / (fpsstability + 1);
this.Title = DefaultTitle + " - Press H for help!"; // fps messurement is off
GL.ClearColor(0.3f, 0.5f, 1.0f, 1.0f);
GL.Clear(ClearBufferMask.DepthBufferBit | ClearBufferMask.ColorBufferBit);
GL.MatrixMode(MatrixMode.Projection);
Matrix4d proj = Matrix4d.CreatePerspectiveFieldOfView(0.9, (double)this.Width / (double)this.Height, 0.2, 600.0);
GL.LoadMatrix(ref proj);
Matrix4d view = Matrix4d.LookAt(
Vector.FromDoubleVector(this._CamPos),
Vector.FromDoubleVector(Vector.Add(this._CamPos, this.CamDirection)),
new Vector3d(0.0, 0.0, 1.0));
GL.MultMatrix(ref view);
// Test picking
int mx = this.Mouse.X;
int my = this.Mouse.Y;
int sx = this.ClientSize.Width;
int sy = this.ClientSize.Height;
Vector3d p = Unproject(new Vector3d(-1.0 + 2.0 * ((double)mx / (double)sx), 1.0 - 2.0 * ((double)my / (double)sy), 0.995), view, proj);
Vector <double> tracestart = this._CamPos;
Vector <double> traceend = new Vector <double>(p.X, p.Y, p.Z);
Vector <double> dif = Vector.Normalize(Vector.Subtract(traceend, tracestart));
traceend = Vector.Add(Vector.Multiply(dif, 400), tracestart);
foreach (TraceHit <MinecraftRenderer.HitBorder> hb in Trace.TraceRay(this._Renderer.GetHitSurface(this.Slice), tracestart, traceend, MinecraftRenderer.HitBorder.Default))
{
if ((hb.Border.Value.Polarity == Polarity.Positive && tracestart[hb.Border.Direction] > hb.Border.Position[hb.Border.Direction]) ||
(hb.Border.Value.Polarity == Polarity.Negative && tracestart[hb.Border.Direction] < hb.Border.Position[hb.Border.Direction]))
{
this._LastHit = hb.Border;
break;
}
}
Point <int>?highlight = this._LastHit.HasValue ? this._LastHit.Value.Value.Chunk : null;
if (this._SliceAxis.HasValue)
{
if (this._SliceAxis.Value == Axis.Z)
{
this._SliceLevel = this._SliceLevel < 1 ? 1 : this._SliceLevel;
this._SliceLevel = this._SliceLevel > MinecraftRenderer.ChunkSize - 1 ? MinecraftRenderer.ChunkSize - 1 : this._SliceLevel;
}
}
this._Renderer.Render(this._CamPos, this.Slice, highlight);
this._RendererTrans.Render(this._CamPos, this.Slice, highlight);
this.SwapBuffers();
}
public void changeTarget(Vector3d whatTarget)
{
Vector3d normalizedConnection = Vector3d.NormalizeFast(position - target);
double cosine = Vector3d.Dot(normalizedConnection, Vector3d.UnitY);
if (!(cosine < 1.02 && cosine > 0.98) && !(cosine > -1.02 && cosine < -0.98))
{
target = whatTarget;
cameraMatrix = Matrix4d.LookAt(position, target, Vector3d.UnitY);
}
}
/// <summary>
/// Convert a world space coordinate into a screen space coordinate.
/// </summary>
/// <param name="world">The world coordinate</param>
/// <returns>The screen coordinate</returns>
public Coordinate WorldToScreen(Coordinate world)
{
var viewport = new[] { 0, 0, Width, Height };
var pm = Matrix4d.CreatePerspectiveFieldOfView(MathHelper.DegreesToRadians(Camera.FOV), Width / (float)Height, 0.1f, 50000);
var vm = Matrix4d.LookAt(
new Vector3d(Camera.Location.X, Camera.Location.Y, Camera.Location.Z),
new Vector3d(Camera.LookAt.X, Camera.LookAt.Y, Camera.LookAt.Z),
Vector3d.UnitZ);
return(MathFunctions.Project(world, viewport, pm, vm));
}
private void CalcVMatrix()
{
//look = (target - position).Normalize();
CenterOfInterest = (Target - Position);
CenterOfInterest.Normalize();
right = Vector3d.Cross(CenterOfInterest, Up);
V = Matrix4d.LookAt(Position, // Camera is here
Target, // and looks here : at the same position, plus "direction"
Up); // Head is up (set to 0,-1,0 to look upside-down)
}
/// <summary>
/// Build a world space to camera space matrix
/// </summary>
/// <param name="eye">Eye (camera) position in world space</param>
/// <param name="target">Target position in world space</param>
/// <param name="up">Up vector in world space (should not be parallel to the camera direction, that is target - eye)</param>
/// <returns>A Matrix that transforms world space to camera space</returns>
public static Matrix <double> LookAt(Matrix <double> eye, Matrix <double> target, Matrix <double> up)
{
var test = Matrix4d.LookAt(
eye[0, 0], eye[1, 0], eye[2, 0],
target[0, 0], target[1, 0], target[2, 0],
up[0, 0], up[1, 0], up[2, 0]);
var ret = new Matrix <double>(test.toArray()).Transpose();
//var wrld = ret.Inverted(DecompMethod.LU);
//var wrldd = test.Inverted();
return(ret);
}
public void Draw(TriMesh front, TriMesh back, Vector3D light)
{
Vector4d light4d = new Vector4d(light.x, light.y, light.z, 0);
Vector3D frontPos = new Vector3D(0.5, 0.5, 0.8);
Vector3D backPos = new Vector3D(0, 0, 0);
GL.Enable(EnableCap.Lighting);
GL.Enable(EnableCap.Light0);
GL.Light(LightName.Light0, LightParameter.Diffuse, Color.White);
GL.Light(LightName.Light0, LightParameter.Position, (Vector4)light4d);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Lequal);
GL.Clear(ClearBufferMask.DepthBufferBit);
GL.Enable(EnableCap.StencilTest);
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
GL.StencilFunc(StencilFunction.Always, 1, 1);
GL.Clear(ClearBufferMask.StencilBufferBit);
GL.MatrixMode(MatrixMode.Modelview);
GL.PushMatrix();
Matrix4d m = Matrix4d.LookAt(light4d.Xyz, Vector3d.Zero, Vector3d.UnitY);
GL.MultMatrix(ref m);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, Color.Red);
GL.ColorMask(false, false, false, false);
DrawMesh(front, frontPos);
GL.ColorMask(true, true, true, true);
GL.PopMatrix();
GL.StencilFunc(StencilFunction.Equal, 1, 1);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, Color.Black);
DrawMesh(back, backPos);
GL.StencilFunc(StencilFunction.Equal, 0, 1);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, Color.CornflowerBlue);
DrawMesh(back, backPos);
GL.Disable(EnableCap.StencilTest);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, Color.CornflowerBlue);
DrawMesh(front, frontPos);
GL.Material(MaterialFace.FrontAndBack,
MaterialParameter.Diffuse, Color.Red);
DrawMesh(this.sphere, light);
GL.Disable(EnableCap.DepthTest);
}
/// <summary>
/// Project the 2D coordinates from the screen coordinates outwards
/// from the camera along the lookat vector, taking the frustrum
/// into account. The resulting line will be run from the camera
/// position along the view axis and end at the back clipping pane.
/// </summary>
/// <param name="x">The X coordinate on screen</param>
/// <param name="y">The Y coordinate on screen</param>
/// <returns>A line beginning at the camera location and tracing
/// along the 3D projection for at least 1,000,000 units.</returns>
public Line CastRayFromScreen(int x, int y)
{
var near = new Coordinate(x, Height - y, 0);
var far = new Coordinate(x, Height - y, 1);
var pm = Matrix4d.CreatePerspectiveFieldOfView(MathHelper.DegreesToRadians(Camera.FOV), Width / (float)Height, 0.1f, 50000);
var vm = Matrix4d.LookAt(
new Vector3d(Camera.Location.X, Camera.Location.Y, Camera.Location.Z),
new Vector3d(Camera.LookAt.X, Camera.LookAt.Y, Camera.LookAt.Z),
Vector3d.UnitZ);
var viewport = new[] { 0, 0, Width, Height };
var un = MathFunctions.Unproject(near, viewport, pm, vm);
var uf = MathFunctions.Unproject(far, viewport, pm, vm);
return((un == null || uf == null) ? null : new Line(un, uf));
}
/// <summary>Calculate the Projection matrix - projects the 3d model space to the 2D screen</summary>
public void CalculateModelMatrix(Vector3d lookatd, Vector3d eyepositiond, double camerarotation)
{
LookAt = new Vector3((float)lookatd.X, (float)lookatd.Y, (float)lookatd.Z); // record for shader use
EyePosition = new Vector3((float)eyepositiond.X, (float)eyepositiond.Y, (float)eyepositiond.Z);
EyeDistance = (float)((lookatd - eyepositiond).Length);
// System.Diagnostics.Debug.WriteLine($"CMM {lookat} {eyeposition} dist {EyeDistance} {cameradirection} {camerarotation}");
Matrix4d mat;
if (InPerspectiveMode)
{
Vector3d camnormal = new Vector3d(0, ModelAxisPositiveZAwayFromViewer ? -1 : 1, 0);
if (camerarotation != 0) // if we have camera rotation, then rotate the up vector
{
Matrix4d rot = Matrix4d.CreateRotationZ((float)camerarotation.Radians());
camnormal = Vector3d.Transform(camnormal, rot);
}
mat = Matrix4d.LookAt(eyepositiond, lookatd, camnormal); // from eye, look at target, with normal giving the rotation of the look
}
else
{
Size scr = ViewPort.Size;
double orthoheight = (OrthographicDistance / 5.0f) * scr.Height / scr.Width; // this comes from the projection calculation, and allows us to work out the scale factor the eye vs lookat has
double scaler = orthoheight / EyeDistance;
// no create scale, do it manually.
Matrix4d scale = new Matrix4d(new Vector4d(scaler, 0, 0, 0), new Vector4d(0, scaler, 0, 0), new Vector4d(0, 0, scaler, 0), new Vector4d(0, 0, 0, 1));
mat = Matrix4d.CreateTranslation(-lookatd.X, 0, -lookatd.Z); // we offset by the negative of the position to give the central look
mat = Matrix4d.Mult(mat, scale); // translation world->View = scale + offset
Matrix4d rotcam = Matrix4d.CreateRotationX(90.0 * Math.PI / 180.0f); // flip 90 along the x axis to give the top down view
mat = Matrix4d.Mult(mat, rotcam);
}
// and turn it to float model matrix
ModelMatrix = new Matrix4((float)mat.M11, (float)mat.M12, (float)mat.M13, (float)mat.M14, (float)mat.M21, (float)mat.M22, (float)mat.M23, (float)mat.M24, (float)mat.M31, (float)mat.M32, (float)mat.M33, (float)mat.M34, (float)mat.M41, (float)mat.M42, (float)mat.M43, (float)mat.M44);
//System.Diagnostics.Debug.WriteLine("MM\r\n{0}", ModelMatrix);
ProjectionModelMatrix = Matrix4.Mult(ModelMatrix, ProjectionMatrix); // order order order ! so important.
CountMatrixCalcs++;
}
/// <summary>
/// Push the modelview matrix, load the identity and load a new matrix at the origin and looking the same way as the player.
/// After rendering the skybox, enable blending and render the sun and moon.
/// </summary>
/// <remarks>
/// A future optimization would be to draw all opaque world objects first and then render the skybox followed by transparent world objects.
/// This prevents the pixel shader from drawing many of the same pixels twice. However is more complicated for a small benefit.
/// </remarks>
public void Render(FrameEventArgs e)
{
GL.PushMatrix();
GL.LoadIdentity();
var sky = Matrix4d.LookAt(0, 0, 0, (float)Math.Cos(Game.Player.Coords.Direction) * (float)Math.Cos(Game.Player.Coords.Pitch), (float)Math.Sin(Game.Player.Coords.Pitch), (float)Math.Sin(Game.Player.Coords.Direction) * (float)Math.Cos(Game.Player.Coords.Pitch), 0, 1, 0);
GL.LoadMatrix(ref sky);
GL.PushAttrib(AttribMask.EnableBit);
GL.Disable(EnableCap.DepthTest);
GL.Disable(EnableCap.Texture2D);
const float TOP = 0.3f;
const float BOTTOM = 0.04f; //make bottom color at the horizon so we can always set the fog color to the same and have nice blending
const float SIDE = 0.5f;
const float SIDE_OUT = SIDE + SIDE / 2; //where the sides stick out to create 8 faces
//draw skybox as a triangle fan with a center top point and 8 bottom points, cuts down on the noticeable gradient corners
//drawn clockwise because we are "inside" the skybox, not in a display list because the colors change on every render (could make a dynamic vbo)
GL.Begin(BeginMode.TriangleFan);
GL.Color3(SkyTopCurrentColor.ToFloatArray());
GL.Vertex3(0, TOP, 0); //center top point
GL.Color3(SkyBottomCurrentColor.ToFloatArray());
GL.Vertex3(SIDE, BOTTOM, SIDE);
GL.Vertex3(0, BOTTOM, SIDE_OUT);
GL.Vertex3(-SIDE, BOTTOM, SIDE);
GL.Vertex3(-SIDE_OUT, BOTTOM, 0);
GL.Vertex3(-SIDE, BOTTOM, -SIDE);
GL.Vertex3(0, BOTTOM, -SIDE_OUT);
GL.Vertex3(SIDE, BOTTOM, -SIDE);
GL.Vertex3(SIDE_OUT, BOTTOM, 0);
GL.Vertex3(SIDE, BOTTOM, SIDE);
GL.End();
GlHelper.ResetColor();
//render sun/moon
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
DisplayList.RenderDisplayList(DisplayList.SunId, SunPosition.X, SunPosition.Y, 0, Textures.EnvironmentTextureType.Sun);
DisplayList.RenderDisplayList(DisplayList.MoonId, -SunPosition.X, -SunPosition.Y, 0, Textures.EnvironmentTextureType.Moon);
GL.PopAttrib();
GL.PopMatrix();
}
/// <summary>Render scene for selection</summary>
private static void RenderSceneSelection(bool IsDebugTouchMode = false)
{
// initialize
GL.InitNames();
GL.PushName(0);
int PartId = 0;
// set up camera
double dx = World.AbsoluteCameraDirection.X;
double dy = World.AbsoluteCameraDirection.Y;
double dz = World.AbsoluteCameraDirection.Z;
double ux = World.AbsoluteCameraUp.X;
double uy = World.AbsoluteCameraUp.Y;
double uz = World.AbsoluteCameraUp.Z;
Matrix4d LookAt = Matrix4d.LookAt(0.0, 0.0, 0.0, dx, dy, dz, ux, uy, uz);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref LookAt);
if (LightingEnabled)
{
GL.Disable(EnableCap.Lighting);
LightingEnabled = false; // TODO: was 'true' before
}
OptionLighting = false;
if (!BlendEnabled)
{
GL.Enable(EnableCap.Blend);
BlendEnabled = true;
}
GL.DepthMask(false);
GL.Disable(EnableCap.DepthTest);
UnsetAlphaFunc();
Touch.SortPolygons();
for (int i = 0; i < Touch.FaceCount; i++)
{
GL.LoadName(PartId);
RenderFace(ref Touch.Faces[i], World.AbsoluteCameraPosition, IsDebugTouchMode);
PartId++;
}
GL.PopName();
OptionLighting = true;
}
public override void Update()
{
if (Widget.Enabled)
{
//ScreenPos = new Vector3d(Settings.Tweak1 * 0.01, Settings.Tweak2*0.01, Settings.Tweak3*0.01);
Widget.transform.Position = ScreenPos;
Vector3d AP = Globals.Avatar.GetPosition();
if (Target == AP)
{
Target = AP + new Vector3d(0, 0, 1);
}
Matrix4d Rot = Matrix4d.CreateFromQuaternion(Globals.Avatar.GetRotation())
* Matrix4d.LookAt(Target, AP - Globals.Avatar.Up() * 2,
Globals.Avatar.Up());
Widget.transform.Rotation = Rot.Inverted().ExtractRotation();
}
}
/// <summary>
/// Generates a 4x4 double Matrix representing the camera's View (with Perspective added)
/// </summary>
/// <param name="Pos">The camera's Position</param>
/// <param name="Up">The camera's Up vector</param>
/// <param name="Target">The camera's Target vector</param>
/// <param name="cameraType">The camera's Type</param>
/// <param name="zFar">The camera's ZFar</param>
/// <param name="zNear">The camera's zNear</param>
/// <param name="cameraWidth">The camera's width</param>
/// <param name="cameraHeight">The camera's height</param>
/// <param name="cameraAspect">The camera's aspect ratio</param>
/// <param name="cameraFOV">The camera's field of view</param>
/// <returns>a 4x4 double Matrix</returns>
private Matrix4d generateMatrix(Vector3d Pos, Vector3d Up, Vector3d Target, ComponentConstants.CAM_TYPES cameraType, double zNear, double zFar, double cameraWidth = 0, double cameraHeight = 0, double cameraAspect = 0, double cameraFOV = 0)
{
Matrix4d ProjectionMatrix;
if (cameraType == ComponentConstants.CAM_TYPES.ORTHOGRAPHIC)
{
ProjectionMatrix = Matrix4d.CreateOrthographic(cameraWidth, cameraHeight, zNear, zFar);
}
else
{
ProjectionMatrix = Matrix4d.CreatePerspectiveFieldOfView(cameraFOV, cameraAspect, zNear, zFar);
}
Matrix4d ViewMatrix = Matrix4d.LookAt(Pos, Target, Up);
Matrix4d ResultMatrix = ProjectionMatrix * ViewMatrix;
return(ResultMatrix);
}
private void Draw3D()
{
GL.DrawBuffer(DrawBufferMode.Back);
GL.ClearColor(this.ClearColor[0], this.ClearColor[1], this.ClearColor[2], 0.0f);
GL.Clear(ClearBufferMask.DepthBufferBit | ClearBufferMask.ColorBufferBit);
GL.LoadIdentity();
Matrix4d perspectiveFieldOfView = Matrix4d.CreatePerspectiveFieldOfView(Math.PI / 4.0, (double)this.glControl1.Width / (double)this.glControl1.Height, (double)this.zFar * 0.001, (double)this.zFar + 1000.0);
GL.LoadMatrix(ref perspectiveFieldOfView);
Matrix4d mat = Matrix4d.LookAt(this.eye.X, this.eye.Y, this.eye.Z, this.center.X, this.center.Y, this.center.Z, this.up.X, this.up.Y, this.up.Z);
GL.MultMatrix(ref mat);
this.DrawAll3DObjects();
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Shininess, new float[4] {
0.9f, 0.9f, 0.9f, 1f
});
this.glControl1.SwapBuffers();
}
public override void Update()
{
Matrix4d R = yawPitchRoll(yaw, pitch, roll);
Position += translation;
//set this when no movement decay is needed
//translation=Vector3d(0);
CenterOfInterest = R.MultiplyVector3d(new Vector4d(0, 0, 1, 0));
Up = R.MultiplyVector3d(new Vector4d(0, 1, 0, 0));
right = Vector3d.Cross(CenterOfInterest, Up);
Vector3d direction = Position + CenterOfInterest;
// V = lookAt(Position, tgt, up);
V = Matrix4d.LookAt(Position, // Camera is here
direction, // and looks here : at the same position, plus "direction"
Up); // Head is up (set to 0,-1,0 to look upside-down)
//
}
protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
// SET CAMERA, THEN DRAW STUFF DAMMIT
Matrix4d camera = Matrix4d.LookAt(OpenTK.Vector3d.Multiply(viewDirection, viewDist),
OpenTK.Vector3d.Zero, up);
GL.LoadMatrix(ref camera);
angle += rotation_speed * (float)e.Time;
GL.Rotate(angle, 0.0f, 1.0f, 0.0f);
DrawBuffer();
SwapBuffers();
Thread.Sleep(1);
}
/// <summary>Update the ModelView and Frustum. Done on every update cycle and before the world is initially loaded so we can preload chunks in the initial frustum.</summary>
private static void UpdateFrustum()
{
ModelView = Matrix4d.LookAt(Player.Coords.Xf, Player.Coords.Yf + Constants.PLAYER_EYE_LEVEL, Player.Coords.Zf, Player.Coords.Xf + (float)Math.Cos(Player.Coords.Direction) * (float)Math.Cos(Player.Coords.Pitch), Player.Coords.Yf + Constants.PLAYER_EYE_LEVEL + (float)Math.Sin(Player.Coords.Pitch), Player.Coords.Zf + (float)Math.Sin(Player.Coords.Direction) * (float)Math.Cos(Player.Coords.Pitch), 0, 1, 0);
Matrix4d clip;
Matrix4d.Mult(ref ModelView, ref Projection, out clip);
LeftFrustum = new Vector4d(clip.M14 + clip.M11, clip.M24 + clip.M21, clip.M34 + clip.M31, clip.M44 + clip.M41);
LeftFrustum.NormalizeFast();
RightFrustum = new Vector4d(clip.M14 - clip.M11, clip.M24 - clip.M21, clip.M34 - clip.M31, clip.M44 - clip.M41);
RightFrustum.NormalizeFast();
BottomFrustum = new Vector4d(clip.M14 + clip.M12, clip.M24 + clip.M22, clip.M34 + clip.M32, clip.M44 + clip.M42);
BottomFrustum.NormalizeFast();
TopFrustum = new Vector4d(clip.M14 - clip.M12, clip.M24 - clip.M22, clip.M34 - clip.M32, clip.M44 - clip.M42);
TopFrustum.NormalizeFast();
NearFrustum = new Vector4d(clip.M14 + clip.M13, clip.M24 + clip.M23, clip.M34 + clip.M33, clip.M44 + clip.M43);
NearFrustum.NormalizeFast();
FarFrustum = new Vector4d(clip.M14 - clip.M13, clip.M24 - clip.M23, clip.M34 - clip.M33, clip.M44 - clip.M43);
FarFrustum.NormalizeFast();
}
// Does not draw a background
public static void StartDraw(Vector2d target)
{
// Coordinate transform between gameworld and screenworld coordinates.
CameraTarget.X = target.Y;
CameraTarget.Y = 0.0;
CameraTarget.Z = target.X;
// This fixes the light position to (10 units above) the gameworld origin.
L1.Position.X = (float)-target.X;
L1.Position.Y = (float)-target.Y;
L1.Position.Z = (float)-0;
L1.BindToCurrentShader();
Vector3d CameraLoc = Vector3d.Multiply(OutOfScreen, CameraDistance);
CameraLoc = Vector3d.Add(CameraTarget, CameraLoc);
Modelview = Matrix4d.LookAt(CameraLoc, CameraTarget, Up);
// We also need to transform
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref Modelview);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
}
private void Render(object sender, PaintEventArgs e)
{
if (!loaded)
{
return;
}
MakeCurrent();
SetupViewport();
//double size = Scene.Size();
double size = Scene.Max.Y - Scene.Min.Y;
double SceneYOffset = -size / 2f;
double defaultzoom = (double)Math.Sqrt(Math.Pow(TableRadius, 2) + Math.Pow(TableHeight, 2));
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.LoadIdentity();
var aspect_ratio = Width / (double)Height;
var projection = Matrix4d.CreatePerspectiveFieldOfView(
MathHelper.PiOver4, double.Parse(aspect_ratio.ToString()), 1f, 1024);
// var modelview = Matrix4d.LookAt(0, size / 2 , - DragZoom * defaultzoom * 2f,
// 0,TableHeight/2, 0, 0, size, 0);
var viewHeight = (TableHeight / 2.50) + SceneYOffset;
var modelview = Matrix4d.LookAt(0, viewHeight, Math.Max(0.00000001f, -(-Drag.Zoom * defaultzoom * 1.5f)),
0, viewHeight, 0, 0, size, 0);
GL.MatrixMode(MatrixMode.Projection);
if (Projection)
{
GL.LoadMatrix(ref projection);
}
else
{
GL.LoadIdentity();
double x = Math.Max(TableRadius * 2, TableHeight) * Drag.Zoom / 2.0;
double y = x * ((double)Height / (double)Width);
GL.Ortho(-x, x, -y, y, 0.0, 10000.0);
}
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref modelview);
#region LIGHT
//if (Lightning)
{
float[] lightPos = new float[] { (float)(-TableRadius * 2f), (float)TableRadius * 2f, (float)TableHeight * 2f, 1.0f };
GL.PointSize(5);
GL.Disable(EnableCap.Lighting);
GL.Begin(PrimitiveType.Points);
GL.Color3(Color.Yellow);
GL.Vertex3(lightPos);
GL.End();
GL.PointSize(1);
float[] light_ambient = { 0.2f, 0.2f, 0.2f, 1.0f };
float[] light_diffuse = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] light_specular = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] spotdirection = { 0.5f, -1.0f, -1.0f };
GL.Light(LightName.Light0, LightParameter.Ambient, light_ambient);
GL.Light(LightName.Light0, LightParameter.Diffuse, light_diffuse);
GL.Light(LightName.Light0, LightParameter.Specular, light_specular);
GL.Enable(EnableCap.Lighting);
GL.Light(LightName.Light0, LightParameter.Position, lightPos);
GL.Enable(EnableCap.Light0);
//GL.Light(LightName.Light0, LightParameter.SpotDirection, spotdirection);
//GL.Light(LightName.Light0, LightParameter.SpotCutoff, 20);
}
#endregion
GL.Translate(Drag.Pane.X, -Drag.Pane.Y, 0);
Matrix4d m = MatrixFromYawPitchRoll(-Math.PI * Drag.Angle.X / 360.0f, -Math.PI * Drag.Angle.Y / 360.0f, 0);
GL.MultMatrix(ref m);
// Model space
#region Box/Axis
GL.Disable(EnableCap.Lighting);
Vector3d scannerCenter = new Vector3d(0, -size / 2f, 0);
Axis(new Vector3d(scannerCenter.X - TableRadius, scannerCenter.Y, scannerCenter.Z + TableRadius), 10);
#endregion ;
GL.Translate(0, SceneYOffset, 0);
if (BoundingBox)
{
DrawBoundingBox(Color.Red, Scene.Min, Scene.Max);
}
if (Lightning)
{
GL.Enable(EnableCap.Lighting);
GL.ColorMaterial(MaterialFace.FrontAndBack, ColorMaterialParameter.AmbientAndDiffuse);
GL.Enable(EnableCap.ColorMaterial);
}
GL.PointSize(2);
GL.LineWidth(2);
RenderingContext context = RenderingContext.From(ViewerConfig);
context.ApplyFaceDefault();
GL.ShadeModel(Smooth ? ShadingModel.Smooth : ShadingModel.Flat);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
Scene.Render(ref context);
GL.Translate(0, -SceneYOffset, 0);
DrawScannerTable(scannerCenter);
SwapBuffers();
using (Graphics g = Graphics.FromHwnd(this.Handle))
{
using (SolidBrush bg = new SolidBrush(this.BackColor))
{
using (SolidBrush bf = new SolidBrush(this.ForeColor))
{
string text = String.Format("{0} points", Scene.GetNumVertices().ToString("N0"));
SizeF s = g.MeasureString(text, this.Font);
RectangleF rect = new RectangleF(0, 0, s.Width, s.Height);
rect.Y = this.Height - s.Height;
g.FillRectangle(bg, rect);
g.DrawString(text, this.Font, bf, rect.Location);
}
}
}
// this.Label.Text = String.Format("{0} points", Scene.GetNumVertices());
}