257 lines
6.3 KiB
C#
257 lines
6.3 KiB
C#
using System;
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using System.Drawing;
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using System.Collections.Generic;
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using OpenTK.Graphics;
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using OpenTK.Graphics.OpenGL;
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using OpenTK;
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using org.niclasundharald.engine;
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using org.niclasundharald.engine.graphics;
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using org.niclasundharald.engine.graphics.primitives;
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namespace nhengine
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{
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public class OpenGLWindow : GameWindow
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{
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private Point mouseCapturePosition;
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private bool mouseCaptured;
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private float arcUpDown,
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arcLeftRight;
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private Vector3 lookAt;
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private float lookDistance;
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private Cube cube,
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c1, c2, c3;
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GLCamera sceneCamera;
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GLScene scene;
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public OpenGLWindow()
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:base(800, 600,
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GraphicsMode.Default,
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"nhEngine",
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GameWindowFlags.Default,
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DisplayDevice.Default,
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3, 3,
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GraphicsContextFlags.ForwardCompatible)
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{
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VSync = VSyncMode.On;
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sceneCamera = new GLCamera();
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scene = new GLScene(sceneCamera);
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}
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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GL.ClearColor(0.05f, 0.05f, 0.05f, 0.0f);
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GL.Enable(EnableCap.DepthTest);
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GL.Enable(EnableCap.Normalize);
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GL.Enable(EnableCap.Blend);
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GL.BlendFunc(BlendingFactorSrc.SrcAlpha,BlendingFactorDest.OneMinusSrcAlpha);
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cube = new Cube(new Vector3(0,0,150), 16.0f);
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c1 = new Cube(new Vector3(16,0,150), 8.0f);
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c2 = new Cube(new Vector3(0,150,150), 8.0f);
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c3 = new Cube(new Vector3(175,175,150), 8.0f);
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lookAt = new Vector3(0,0,128.0f);
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lookDistance = 2048;
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arcUpDown = MathHelper.PiOver6;
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arcLeftRight = MathHelper.PiOver4;
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// sceneCamera.Position = new Vector3(1000,-1000,1000);
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// sceneCamera.View = new Vector3(0f,1.0f,0.0f);
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sceneCamera.Top = new Vector3(0,0,1);
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sceneCamera.setFoV(MathHelper.PiOver4);
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setupCamera();
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scene.RootObject.addChild( cube );
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scene.RootObject.addChild( c1 );
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scene.RootObject.addChild( c2 );
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scene.RootObject.addChild( c3 );
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}
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protected override void OnResize(EventArgs e)
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{
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base.OnResize(e);
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GL.Viewport(ClientRectangle.X, ClientRectangle.Y, ClientRectangle.Width, ClientRectangle.Height);
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sceneCamera.setViewport(ClientRectangle.Width, ClientRectangle.Height);
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}
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protected override void OnRenderFrame(FrameEventArgs e)
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{
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base.OnRenderFrame(e);
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GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
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scene.draw();
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SwapBuffers();
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Title = string.Format("{0:F}/s {1:F}/s [{2:F}s]", RenderFrequency,UpdateFrequency,UpdatePeriod);
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}
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protected override void OnUpdateFrame(FrameEventArgs e)
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{
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base.OnUpdateFrame(e);
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Matrix4 m4 = Matrix4.CreateRotationZ(MathHelper.Pi / 90.0f);
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cube.Rotation = m4 * cube.Rotation;
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c1.Position = (m4.Inverted() * new Vector4(c1.Position)).Xyz;
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c2.Rotation = (m4 * c2.Rotation);
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c3.Position = (m4 * new Vector4(c3.Position)).Xyz;
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Actor.updateAll( (float)UpdatePeriod );
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}
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private void captureMouse(){
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mouseCapturePosition = new Point(Mouse.X, Mouse.Y);
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mouseCaptured = true;
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CursorVisible = false;
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}
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private void releaseMouse(){
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mouseCaptured = false;
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CursorVisible = true;
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}
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protected override void OnMouseMove(OpenTK.Input.MouseMoveEventArgs e)
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{
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if (mouseCaptured){
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Point delta = new Point(e.X - mouseCapturePosition.X, e.Y - mouseCapturePosition.Y);
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onMouseCapturedMove(delta);
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mouseCapturePosition = e.Position;
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}
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}
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protected virtual void onMouseCapturedMove(Point delta){
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rotateLeftRight(((float)delta.X) / 20.0f);
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rotateUpDown(((float)delta.Y) / 20.0f);
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}
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protected override void OnMouseDown(OpenTK.Input.MouseButtonEventArgs e)
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{
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switch (e.Button){
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case OpenTK.Input.MouseButton.Left:
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break;
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case OpenTK.Input.MouseButton.Right:
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captureMouse();
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break;
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}
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}
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protected override void OnMouseUp(OpenTK.Input.MouseButtonEventArgs e)
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{
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releaseMouse();
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}
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protected override void OnMouseWheel(OpenTK.Input.MouseWheelEventArgs e)
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{
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lookDistance *= 1.0f - ( e.DeltaPrecise / 16 );
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MathHelper.Clamp( lookDistance, 512, 8192 );
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setupCamera();
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}
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protected override void OnKeyPress(KeyPressEventArgs e)
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{
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}
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protected override void OnKeyDown(OpenTK.Input.KeyboardKeyEventArgs e)
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{
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switch (e.Key){
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case OpenTK.Input.Key.Up:
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rotateUpDown(-MathHelper.Pi / 180.0f);
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break;
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case OpenTK.Input.Key.Down:
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rotateUpDown(MathHelper.Pi / 180.0f);
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break;
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case OpenTK.Input.Key.Left:
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rotateLeftRight(MathHelper.Pi / 90.0f);
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break;
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case OpenTK.Input.Key.Right:
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rotateLeftRight(-MathHelper.Pi / 90.0f);
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break;
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case OpenTK.Input.Key.W:
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walk(e.Shift ? 50.0f : 5.0f);
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break;
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case OpenTK.Input.Key.S:
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walk(e.Shift ? -50.0f : -5.0f);
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break;
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case OpenTK.Input.Key.A:
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strafe(e.Shift ? -50.0f : -5.0f);
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break;
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case OpenTK.Input.Key.D:
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strafe(e.Shift ? 50.0f : 5.0f);
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break;
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case OpenTK.Input.Key.Space:
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fireBallistic();
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break;
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}
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}
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private void fireBallistic(){
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Console.WriteLine("Fire Ballistic...");
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BallisticActor ba = new BallisticActor(0);
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ba.Position = BootStrap.instance().SquaredMap.ground(new Vector2(10,10));
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ba.Velocity = new Vector3(1,1,1);// + (Matrix4.CreateRotationZ(arcLeftRight) * Vector4.UnitY).Xyz;
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ba.Velocity.Normalize();
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ba.Velocity *= 50;
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}
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public void rotateUpDown(float arc)
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{
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arcUpDown += arc;
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arcUpDown = MathHelper.Clamp(arcUpDown,MathHelper.Pi / 8,MathHelper.PiOver2-0.00001f);
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setupCamera();
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}
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public void rotateLeftRight(float arc)
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{
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arcLeftRight += arc;
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arcLeftRight %= MathHelper.TwoPi;
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setupCamera();
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}
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public void walk(float distance){
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lookAt += (new Vector3(sceneCamera.View.Xy)).Normalized() * distance;
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setupCamera();
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}
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public void strafe(float distance){
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lookAt += Vector3.Cross(new Vector3(sceneCamera.View.Xy),Vector3.UnitZ).Normalized() * distance;
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setupCamera();
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}
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protected override void OnKeyUp(OpenTK.Input.KeyboardKeyEventArgs e)
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{
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}
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private void setupCamera(){
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Vector3 view = (Matrix4.CreateRotationZ(arcLeftRight) * Matrix4.CreateRotationX(arcUpDown) * Vector4.UnitY).Xyz;
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view.Normalize();
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Vector3 pos = lookAt - (view * lookDistance);
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sceneCamera.View = view;
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sceneCamera.Position = pos;
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}
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public GLScene Scene {
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get { return this.scene; }
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}
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}
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}
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