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diff --git a/Tests/CrowWindow3D.cs b/Tests/CrowWindow3D.cs
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-//
-// OpenTKGameWindow.cs
-//
-// Author:
-// Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
-//
-// Copyright (c) 2016 jp
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-using System;
-using System.Threading;
-using OpenTK;
-using OpenTK.Graphics.OpenGL;
-using System.Collections.Generic;
-
-namespace Crow
-{
- public class CrowWindow3D : CrowWindow
- {
- #region ctor
- public CrowWindow3D(int _width = 800, int _height = 600, string _title="Crow",
- int colors = 32, int depth = 24, int stencil = 0, int samples = 1,
- int major=3, int minor=3)
- : this(_width, _height, new OpenTK.Graphics.GraphicsMode(colors, depth, stencil, samples),
- _title,GameWindowFlags.Default,DisplayDevice.Default,
- major,minor,OpenTK.Graphics.GraphicsContextFlags.Default)
- {
- }
- public CrowWindow3D (int width, int height, OpenTK.Graphics.GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device, int major, int minor, OpenTK.Graphics.GraphicsContextFlags flags)
- : base(width,height,mode,title,options,device,major,minor,flags)
- {
- }
-
- #endregion
-
- #region graphic context
- protected Matrix4 modelview;
- protected int[] viewport = new int[4];
- protected Vector3 vEyeTarget = new Vector3(0f, 0f, 0f);
- protected Vector3 vEye;
- protected Vector3 vLookInit = Vector3.Normalize(new Vector3(0.0f, 1.0f, 0.0f));
- protected Vector3 vLook; // Camera vLook Vector
- protected float zNear = 0.001f, zFar = 300.0f;
- protected float fovY = (float)Math.PI / 4;
- protected float eyeDist = 1.2f;
- protected float viewZangle, viewXangle;
- protected const float MoveSpeed = 0.02f;
- protected const float RotationSpeed = 0.005f;
- protected const float ZoomSpeed = 0.22f;
-
- public Matrix4 interfaceModelView;
- Rectangle iRect = new Rectangle(0,0,2048,2048);
-
- protected override Matrix4 InterfaceMVP {
- get { return interfaceModelView * modelview * projection; }
- }
-
- protected override void initGL(){
- GL.ClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- shader = new Shader ();
- //quad = new Crow.vaoMesh (0, 0, 0, 1, iRect.Height / (float)iRect.Width, 1, -1);
- quad = new Crow.vaoMesh (0, 0, 0, 1, 1, 1, -1);
- interfaceModelView = Matrix4.CreateRotationX(MathHelper.PiOver2) * Matrix4.CreateTranslation(Vector3.UnitY);
- createContext ();
- CrowInterface.ProcessResize (iRect);
- }
- /// <summary>Create the texture for the interface redering</summary>
- protected override void createContext ()
- {
- if (GL.IsTexture(texID))
- GL.DeleteTexture (texID);
- GL.GenTextures(1, out texID);
- GL.ActiveTexture (TextureUnit.Texture0);
- GL.BindTexture(TextureTarget.Texture2D, texID);
-
- GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
- iRect.Width, iRect.Height, 0,
- OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, CrowInterface.bmp);
-
- GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
- GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
-
- GL.BindTexture(TextureTarget.Texture2D, 0);
- }
-
- #endregion
-
-
- #region Game win overrides
-
- protected override void OnResize(EventArgs e)
- {
- //base.OnResize (e);
- UpdateViewMatrix ();
- }
- #endregion
-
- #region Mouse Handling
- Point mousePosition;
- bool mouseIsInInterface = false;
-
- void updateMousePosition(OpenTK.Input.MouseMoveEventArgs otk_e)
- {
- Matrix4 mv = interfaceModelView * modelview;
- Vector3 vMouse = UnProject(ref projection, ref mv, viewport, new Vector2 (otk_e.X, otk_e.Y)).Xyz;
- Vector3 vE = vEye.Transform (interfaceModelView.Inverted());
- Vector3 vMouseRay = Vector3.Normalize(vMouse - vE);
- float a = vE.Z / vMouseRay.Z;
- vMouse = vE - vMouseRay * a;
- //vMouse = vMouse.Transform (interfaceModelView.Inverted());
- mousePosition = new Point ((int)Math.Truncate ((vMouse.X + 0.5f) * iRect.Width),
- iRect.Height - (int)Math.Truncate ((vMouse.Y + 0.5f) * iRect.Height));
- mouseIsInInterface = mousePosition.X.IsInBetween (0, iRect.Width) & mousePosition.Y.IsInBetween (0, iRect.Height);
- //System.Diagnostics.Debug.WriteLine ("vMouse={0} newPos={1}", vMouse, mousePosition);
- }
- public void UpdateViewMatrix()
- {
- Rectangle r = this.ClientRectangle;
- GL.Viewport( r.X, r.Y, r.Width, r.Height);
- projection = Matrix4.CreatePerspectiveFieldOfView (fovY, r.Width / (float)r.Height, zNear, zFar);
- vLook = vLookInit.Transform(
- Matrix4.CreateRotationX (viewXangle)*
- Matrix4.CreateRotationZ (viewZangle));
- vLook.Normalize();
- vEye = vEyeTarget + vLook * eyeDist;
- modelview = Matrix4.LookAt(vEye, vEyeTarget, Vector3.UnitZ);
- GL.GetInteger(GetPName.Viewport, viewport);
- }
-
- protected override void Mouse_Move(object sender, OpenTK.Input.MouseMoveEventArgs otk_e)
- {
- updateMousePosition (otk_e);
-
- if (mouseIsInInterface & !(Keyboard [OpenTK.Input.Key.ShiftLeft])) {
- if (CrowInterface.ProcessMouseMove (mousePosition.X, mousePosition.Y))
- return;
- }
- if (otk_e.Mouse.MiddleButton == OpenTK.Input.ButtonState.Pressed) {
- viewZangle -= (float)otk_e.XDelta * RotationSpeed;
- viewXangle += (float)otk_e.YDelta * RotationSpeed;
- UpdateViewMatrix ();
- } else if (otk_e.Mouse.LeftButton == OpenTK.Input.ButtonState.Pressed) {
- return;
- } else if (otk_e.Mouse.RightButton == OpenTK.Input.ButtonState.Pressed) {
- Vector2 v2Look = vLook.Xy.Normalized ();
- Vector2 disp = v2Look.PerpendicularLeft * otk_e.XDelta * MoveSpeed +
- v2Look * otk_e.YDelta * MoveSpeed;
- vEyeTarget += new Vector3 (disp.X, disp.Y, 0);
- UpdateViewMatrix ();
- }
-
- //MouseMove.Raise (sender, otk_e);
- }
-
- protected override void Mouse_ButtonUp(object sender, OpenTK.Input.MouseButtonEventArgs otk_e)
- {
- if (mouseIsInInterface & !Keyboard [OpenTK.Input.Key.ShiftLeft])
- CrowInterface.ProcessMouseButtonUp ((int)otk_e.Button);
-// else
-// MouseButtonUp.Raise (sender, otk_e);
- }
- protected override void Mouse_ButtonDown(object sender, OpenTK.Input.MouseButtonEventArgs otk_e)
- {
- if (mouseIsInInterface & !Keyboard [OpenTK.Input.Key.ShiftLeft])
- CrowInterface.ProcessMouseButtonDown ((int)otk_e.Button);
-// else
-// MouseButtonDown.Raise (sender, otk_e);
- }
- protected override void Mouse_WheelChanged(object sender, OpenTK.Input.MouseWheelEventArgs otk_e)
- {
- if (mouseIsInInterface & !Keyboard [OpenTK.Input.Key.ShiftLeft]) {
- CrowInterface.ProcessMouseWheelChanged (otk_e.DeltaPrecise);
- return;
- }
-
- float speed = ZoomSpeed;
- if (Keyboard[OpenTK.Input.Key.ControlLeft])
- speed *= 20.0f;
-
- eyeDist -= otk_e.Delta * speed;
- if (eyeDist < zNear)
- eyeDist = zNear;
- else if (eyeDist > zFar)
- eyeDist = zFar;
- UpdateViewMatrix ();
-
-// MouseWheelChanged.Raise (sender, otk_e);
- }
- #endregion
-
- static Vector4 UnProject(ref Matrix4 projection, ref Matrix4 view, int[] viewport, Vector2 mouse)
- {
- Vector4 vec;
-
- vec.X = 2.0f * mouse.X / (float)viewport[2] - 1;
- vec.Y = -(2.0f * mouse.Y / (float)viewport[3] - 1);
- vec.Z = 0f;
- vec.W = 1.0f;
-
- Matrix4 viewInv = Matrix4.Invert(view);
- Matrix4 projInv = Matrix4.Invert(projection);
-
- Vector4.Transform(ref vec, ref projInv, out vec);
- Vector4.Transform(ref vec, ref viewInv, out vec);
-
- if (vec.W > float.Epsilon || vec.W < float.Epsilon)
- {
- vec.X /= vec.W;
- vec.Y /= vec.W;
- vec.Z /= vec.W;
- }
-
- return vec;
- }
- }
-
- public static class Extensions {
- public static Vector4 ToVector4(this Color c){
- float[] f = c.floatArray;
- return new Vector4 (f [0], f [1], f [2], f [3]);
- }
- public static Vector3 Transform(this Vector3 v, Matrix4 m){
- return Vector4.Transform(new Vector4(v, 1), m).Xyz;
- }
- public static bool IsInBetween(this int v, int min, int max){
- return v >= min & v <= max;
- }
- }
-}
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