private void AllowAltF4ToCloseWindow()
{
if (Glfw.GetKey(nativeWindow, Key.LeftAlt) && Glfw.GetKey(nativeWindow, Key.F4))
{
CloseAfterFrame();
}
}
private void ProcessInput(Window window)
{
if (Glfw.GetKey(window, Keys.Escape) == InputState.Press)
{
Glfw.SetWindowShouldClose(window, true);
}
}
public void move(Glfw.Window window)
{
bool W = Glfw.GetKey(window, (int)Glfw.KeyCode.W);
bool D = Glfw.GetKey(window, (int)Glfw.KeyCode.D);
bool A = Glfw.GetKey(window, (int)Glfw.KeyCode.A);
bool S = Glfw.GetKey(window, (int)Glfw.KeyCode.S);
bool space = Glfw.GetKey(window, (int)Glfw.KeyCode.Space);
bool c = Glfw.GetKey(window, (int)Glfw.KeyCode.C);
if (W)
{
positin.z -= 0.6f;
}
if (S)
{
positin.z += 0.6f;
}
if (D)
{
positin.x += 0.6f;
}
if (A)
{
positin.x -= 0.6f;
}
if (space)
{
positin.y += 0.6f;
}
if (c)
{
positin.y -= 0.6f;
}
}
public void move(Glfw.Window window)
{
bool W = Glfw.GetKey(window, (int)Glfw.KeyCode.W);
bool D = Glfw.GetKey(window, (int)Glfw.KeyCode.D);
bool A = Glfw.GetKey(window, (int)Glfw.KeyCode.A);
bool S = Glfw.GetKey(window, (int)Glfw.KeyCode.S);
if (W)
{
positin.z -= 0.1f;
}
if (S)
{
positin.z += 0.1f;
}
if (D)
{
positin.x += 0.1f;
}
if (A)
{
positin.x -= 0.1f;
}
}
public virtual void WindowInputProcess()
{
if (Glfw.GetKey(WindowInstance, Keys.Escape) == InputState.Press)
{
Glfw.SetWindowShouldClose(WindowInstance, true);
}
}
private void UpdateKeyState(Key key)
{
bool isKeyPressed = Glfw.GetKey(nativeWindow, ConvertToPencilKey(key));
keyboardStates[(int)key] = keyboardStates[(int)key].UpdateOnNativePressing(isKeyPressed);
if (keyboardStates[(int)key] == State.Pressing)
{
newlyPressedKeys.Add(key);
}
}
public KeyboardState(GameWindow window)
: this()
{
GlfwWindowPtr ptr = window.GetPointer();
keys = new Dictionary <Key, bool>(allKeys.Length);
for (int i = 0; i < allKeys.Length; i++)
{
Key k = allKeys[i];
keys[k] = Glfw.GetKey(ptr, k);
}
}
private unsafe static void ProcessInput(WindowHandle *window)
{
float camSpeed = (float)(2.5f * deltaTime);
if (glfw.GetKey(window, Keys.Escape) == (int)InputAction.Press)
{
glfw.SetWindowShouldClose(window, true);
}
if (glfw.GetKey(window, Keys.W) == (int)InputAction.Press)
{
camera.Position += camera.GetDirection() * camSpeed;
}
if (glfw.GetKey(window, Keys.S) == (int)InputAction.Press)
{
camera.Position -= camera.GetDirection() * camSpeed;
}
if (glfw.GetKey(window, Keys.A) == (int)InputAction.Press)
{
camera.Position -= Vector3.Normalize(Vector3.Cross(camera.GetDirection(), camera.Up)) * camSpeed;
}
if (glfw.GetKey(window, Keys.D) == (int)InputAction.Press)
{
camera.Position += Vector3.Normalize(Vector3.Cross(camera.GetDirection(), camera.Up)) * camSpeed;
}
if (glfw.GetKey(window, Keys.G) == (int)InputAction.Press)
{
Console.WriteLine($"Dir: {camera.GetDirection()}, Pos: {camera.Position}, Yaw: {camera.Yaw}, Pitch: {camera.Pitch}");
}
}
public static void Main()
{
ToolBox.gl = new OpenGL();
Glfw.Init();
Glfw.SetErrorCallback((code, message) => Console.WriteLine($"GLFW {code}: {Marshal.PtrToStringAnsi(message)}"));
Glfw.WindowHint(Hint.Resizable, false);
Glfw.WindowHint(Hint.Visible, false);
Glfw.WindowHint(Hint.ContextVersionMajor, 4);
Glfw.WindowHint(Hint.ContextVersionMinor, 6);
VideoMode mode = Glfw.GetVideoMode(Glfw.PrimaryMonitor);
Window window = Glfw.CreateWindow(mode.Width, mode.Height, "Meinkraft", Glfw.PrimaryMonitor, Window.None);
ToolBox.window = window;
Glfw.MakeContextCurrent(window);
Glfw.SetInputMode(window, InputMode.Cursor, (int)CursorMode.Disabled);
ToolBox.gl.Enable(OpenGL.GL_DEPTH_TEST);
ToolBox.gl.Enable(OpenGL.GL_CULL_FACE);
ToolBox.gl.FrontFace(OpenGL.GL_CW);
ToolBox.gl.ClearColor(0x87 / 255.0f, 0xCE / 255.0f, 0xFA / 255.0f, 0xFF / 255.0f);
ToolBox.world = new World(window);
while (!Glfw.WindowShouldClose(window))
{
Glfw.PollEvents();
if (Glfw.GetKey(window, Keys.Escape) == InputState.Press)
{
Glfw.SetWindowShouldClose(window, true);
}
ToolBox.world.update();
ToolBox.gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
ToolBox.world.render();
Glfw.SwapBuffers(window);
}
ToolBox.world.Dispose();
Glfw.Terminate();
}
// update the scene based on the time elapsed since last update
private static void Update(double secondsElapsed)
{
//rotate by 1 degree
float degreesPerSecond = 180.0f;
_gDegreesRotated += (float)secondsElapsed * degreesPerSecond;
//don't go over 360 degrees
while (_gDegreesRotated > 360.0f)
{
_gDegreesRotated -= 360.0f;
}
//move position of camera based on WASD keys, and XZ keys for up and down
float moveSpeed = 2.0f; //units per second
if (Glfw.GetKey(_window, Key.S))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * -_gCamera.Forward);
}
else if (Glfw.GetKey(_window, Key.W))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * _gCamera.Forward);
}
if (Glfw.GetKey(_window, Key.A))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * -_gCamera.Right);
}
else if (Glfw.GetKey(_window, Key.D))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * _gCamera.Right);
}
if (Glfw.GetKey(_window, Key.Z))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * -new Vector3(0, 1, 0));
}
else if (Glfw.GetKey(_window, Key.X))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * new Vector3(0, 1, 0));
}
//rotate camera based on mouse movement
float mouseSensitivity = 0.1f;
double mouseX, mouseY;
Glfw.GetCursorPos(_window, out mouseX, out mouseY);
_gCamera.OffsetOrientation(mouseSensitivity * (float)mouseY, mouseSensitivity * (float)mouseX);
Glfw.SetCursorPos(_window, 0, 0); //reset the mouse, so it doesn't go out of the window
}
/// <inheritdoc />
public void Update()
{
// Update the mouse position.
Glfw.GetCursorPos(_win, out double posX, out double posY);
_mousePosition.X = (float)posX;
_mousePosition.Y = (float)posY;
// Reset mouse scroll.
_mouseScrollThisFrame = _mouseScroll;
_mouseScroll = _mouseScrollAccum;
// Calculate mouse status.
foreach (MouseKey key in _mouseKeys)
{
_mouseStatusShadow[key] = _mouseStatus[key];
int state = Glfw.GetMouseButton(_win, (int)key);
_mouseStatus[key] = state >= 1;
}
// Calculate keyboard status.
foreach (KeyCode key in _allKeys)
{
// Transfer from last frame.
_keyStatusShadow[key] = _keyStatus[key];
int state = Glfw.GetKey(_win, (int)key);
_keyStatus[key] = state >= 1;
}
// Update joysticks.
foreach (KeyValuePair <int, GlfwJoystick> joystick in _loadedJoysticks)
{
joystick.Value.Update();
}
// Check for fullscreen toggling key combo.
if (IsKeyHeld("LeftAlt") && IsKeyDown("Enter"))
{
Engine.Host.WindowMode = Engine.Host.WindowMode == WindowMode.Fullscreen ? WindowMode.Windowed : WindowMode.Fullscreen;
}
// Check for closing combo.
if (IsKeyDown("Escape"))
{
Engine.Quit();
}
}
static void Main(string[] args)
{
///
/// NOTE: All GL functions must come after the window and context are created
///
gameWindow.createWindow();
if (gameWindow.Equals(null))
{
Console.WriteLine("ERROR: Could not start game window\nPress any key to continue...");
Console.ReadKey();
Environment.Exit(1);
}
Console.WriteLine("Using OpenGL version {0}", gameWindow.getGLVersion());
gameWindow.initGraphics();
mesh = new Mesh();
shader = new Shader();
Vertex[] data = new Vertex[3];
data[0].Position = new Vector3(-1, -1, 0);
data[1].Position = new Vector3(0, 1, 0);
data[2].Position = new Vector3(1, -1, 0);
mesh.addVertices(data);
shader.addVertexShader(ResourceLoader.loadShader("example.vert"));
shader.addFragmentShader(ResourceLoader.loadShader("example.frag"));
shader.compileShader();
while (!Glfw.WindowShouldClose(gameWindow.window))
{
Glfw.PollEvents();
if (Glfw.GetKey(gameWindow.window, Key.Escape))
{
Glfw.SetWindowShouldClose(gameWindow.window, true);
}
render();
Glfw.SwapBuffers(gameWindow.window);
}
Glfw.Terminate();
}
public void update()
{
float ratio = 1.0f;
if (Glfw.GetKey(_window, Keys.LeftControl) == InputState.Press)
{
ratio = 0.1f;
}
if (Glfw.GetKey(_window, Keys.LeftShift) == InputState.Press)
{
ratio = 2f;
}
if (Glfw.GetKey(_window, Keys.W) == InputState.Press)
{
position += orientation * 0.05f * ratio;
}
if (Glfw.GetKey(_window, Keys.S) == InputState.Press)
{
position -= orientation * 0.05f * ratio;
}
if (Glfw.GetKey(_window, Keys.A) == InputState.Press)
{
position += _sideOrientation * 0.05f * ratio;
}
if (Glfw.GetKey(_window, Keys.D) == InputState.Press)
{
position -= _sideOrientation * 0.05f * ratio;
}
dvec2 mouseOffset = new dvec2();
Glfw.GetCursorPosition(_window, out mouseOffset.x, out mouseOffset.y);
mouseOffset -= _winCenter;
if (Math.Abs(mouseOffset.x + mouseOffset.y) < 0.01f)
{
return;
}
rotate((float)-mouseOffset.y / 10.0f, (float)-mouseOffset.x / 10.0f);
Glfw.SetCursorPosition(_window, _winCenter.x, _winCenter.y);
}
public override void Update(float time)
{
curKeyPeriodDown = Glfw.GetKey('.');
if (Area.Intersects(new Rectangle(UIElement.GetMouseRect())))
{
if (Game.MouseClickCurrent)
{
Active = true;
}
}
else if (Game.MouseClickCurrent)
{
Active = false;
}
if (Active)
{
foreach (KeyValuePair <char, Buffer2D <uint> > kvp in TextureTools.Font)
{
char ch = kvp.Key;
try {
if (Game.CurrentKS [ch] && !Game.PreviousKS [ch])
{
Text += ch;
}
} catch (Exception) {
if (ch == '.')
{
if (curKeyPeriodDown && !prevKeyPeriodDown)
{
Text += ch;
}
}
}
}
if (Text.Length > 0 && Game.CurrentKS [Key.Backspace] && !Game.PreviousKS [Key.Backspace])
{
Text = Text.Substring(0, Text.Length - 1);
}
}
prevKeyPeriodDown = curKeyPeriodDown;
}
public static void handle_input(GlfwWindowPtr window)
{
bool test = Glfw.GetKey(window, Key.Three);
if (Glfw.GetKey(window, Key.Escape))
{
Glfw.SetWindowShouldClose(window, true);
}
if (Glfw.GetKey(window, Key.One))
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
}
if (Glfw.GetKey(window, Key.Two))
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
}
}
public void checkInputs(Glfw.Window window)
{
bool W = Glfw.GetKey(window, (int)Glfw.KeyCode.W);
bool S = Glfw.GetKey(window, (int)Glfw.KeyCode.S);
bool D = Glfw.GetKey(window, (int)Glfw.KeyCode.D);
bool A = Glfw.GetKey(window, (int)Glfw.KeyCode.A);
bool space = Glfw.GetKey(window, (int)Glfw.KeyCode.Space);
if (W)
{
currentSpeed = RUN_SPEED;
}
else if (S)
{
currentSpeed = -RUN_SPEED;
}
else
{
currentSpeed = 0;
}
if (D)
{
currentTurnSpeed = TURN_SPEED;
}
else if (A)
{
currentTurnSpeed = -TURN_SPEED;
}
else
{
currentTurnSpeed = 0;
}
if (space)
{
jump();
}
}
static void Main()
{
if (!Glfw.Init())
{
Glfw.Terminate();
throw new Exception("GLFW Failed to Initialize");
}
Glfw.WindowHint(WindowAttrib.Resizable, false);
var window = Glfw.CreateWindow(1024, 768, "Test");
if (window.Equals(GlfwWindow.Null))
{
Glfw.Terminate();
throw new Exception("GLFW failed to create window");
}
Glfw.CenterWindow(window);
Glfw.MakeContextCurrent(window);
Glfw.SwapInterval(1);
while (!Glfw.WindowShouldClose(window))
{
Glfw.PollEvents();
if (Glfw.GetKey(window, Key.Escape))
{
Glfw.SetWindowShouldClose(window, true);
}
Glfw.SwapBuffers(window);
}
Glfw.DestroyWindow(window);
Glfw.Terminate();
}
public static bool IsKeyPressed(Key key)
{
InputState state = Glfw.GetKey(Application.Instance.Window.Handle, (Keys)key);
return(state == InputState.Press || state == InputState.Repeat);
}
static void Main(string[] args)
{
WebCore.Initialize(new WebConfig()
{
LogPath = Environment.CurrentDirectory + "/awesomium.log",
LogLevel = LogLevel.Verbose,
});
WebCore.CreateWebSession(new WebPreferences()
{
CustomCSS = "::-webkit-scrollbar { visibility: hidden; }"
});
var webView = WebCore.CreateWebView(800, 600);
webView.IsTransparent = true;
webView.Source = new Uri("http://google.com");
webView.LoadingFrameComplete += (s, e) =>
{
Console.WriteLine(String.Format("Frame Loaded: {0}", e.FrameId));
// The main frame usually finishes loading last for a given page load.
if (!e.IsMainFrame)
{
return;
}
// Print some more information.
Console.WriteLine(String.Format("Page Title: {0}", webView.Title));
Console.WriteLine(String.Format("Loaded URL: {0}", webView.Source));
// Take snapshots of the page.
//TakeSnapshots((WebView)s);
};
WebCore.Run();
// Initialize GLFW system
Glfw.Init();
// Create GLFW window
var window = Glfw.CreateWindow(800, 600, "OpenCAD", GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
// Enable the OpenGL context for the current window
Glfw.MakeContextCurrent(window);
while (!Glfw.WindowShouldClose(window))
{
// Poll GLFW window events
Glfw.PollEvents();
// If you press escape the window will close
if (Glfw.GetKey(window, Key.Escape))
{
Glfw.SetWindowShouldClose(window, true);
}
// Set OpenGL clear colour to red
GL.ClearColor(1.0f, 0.0f, 0.0f, 1.0f);
// Clear the screen
GL.Clear(ClearBufferMask.ColorBufferBit);
// Swap the front and back buffer, displaying the scene
Glfw.SwapBuffers(window);
}
// Finally, clean up Glfw, and close the window
Glfw.Terminate();
}
public override void Run(Size size)
{
_gui = _guiManager.Create(size, ViewModel);
Glfw.Init();
// Create GLFW window
_window = Glfw.CreateWindow(size.Width, size.Height, "OpenCAD", GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
Glfw.SetWindowSizeCallback(_window, (wnd, newwidth, newheight) =>
{
GL.Viewport(0, 0, newwidth, newheight);
_gui.Resize(new Size(newwidth, newheight));
});
Glfw.SetCursorPosCallback(_window, (wnd, x, y) => _gui.MouseMove(new Point((int)x, (int)y)));
Glfw.SetWindowFocusCallback(_window, (wnd, focus) => _messageAggregator.Add(new FocusChangedMessage(this, focus)));
Glfw.SetMouseButtonCallback(_window, OnCbfun);
// Enable the OpenGL context for the current window
Glfw.MakeContextCurrent(_window);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.VertexArray);
GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
//var back = new BackgroundRenderer(new GradientBackground(Color.YellowGreen, Color.Blue, Color.Plum, Color.Aquamarine));
var back = new BackgroundRenderer(new SolidBackground(Color.FromArgb(35, 30, 32)));
var gui = new GUIRenderer();
_modelRenderer = new ModelRenderer();
_gui.Resize(size);
while (!Glfw.WindowShouldClose(_window))
{
// Poll GLFW window events
Glfw.PollEvents();
// If you press escape the window will close
if (Glfw.GetKey(_window, Key.Escape))
{
Glfw.SetWindowShouldClose(_window, true);
}
_gui.Update();
if (_gui.IsDirty)
{
//Console.WriteLine("Dirty");
gui.Texture.Update(_gui);
}
// Set OpenGL clear colour to red
GL.ClearColor(1.0f, 0.0f, 0.0f, 1.0f);
// Clear the screen
GL.Clear(ClearBufferMask.ColorBufferBit);
back.Render();
var model = ViewModel as IHasScenes;
if (model != null)
{
_modelRenderer.Render(model.CurrentScene);
}
//if (CurrentScene != null)
//{
// _modelRenderer.Render(CurrentScene);
//}
gui.Render();
// Swap the front and back buffer, displaying the scene
Glfw.SwapBuffers(_window);
}
// Finally, clean up Glfw, and close the window
Glfw.Terminate();
}
public KeyAction GetKeyState(Key key) => (KeyAction) Glfw.GetKey(Window.Handle, (int) key);
static void Main()
{
if (!Glfw.Init())
{
Glfw.Terminate();
throw new Exception("GLFW Failed to Initialize");
}
Glfw.WindowHint(WindowAttrib.Resizable, false);
var window = Glfw.CreateWindow(1024, 768, "Test");
if (window.Equals(GlfwWindow.Null))
{
Glfw.Terminate();
throw new Exception("GLFW failed to create window");
}
Glfw.CenterWindow(window);
Glfw.MakeContextCurrent(window);
string glVersion = GL.GetString(StringName.Version);
Console.WriteLine("OpenGL Version: {0}", glVersion);
Glfw.SwapInterval(1);
/* Initialize Rendering Data */
/* ==================================================================================== */
float[] renderBuffer =
{
0.0f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
-0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f
};
uint vbo = GL.CreateVBO(BufferTarget.ArrayBuffer, renderBuffer, BufferUsageHint.StaticDraw);
uint vao = GL.GenVertexArray();
GL.BindVertexArray(vao);
GL.EnableVertexAttribArray(0);
GL.EnableVertexAttribArray(1);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
int stride = 6 * sizeof(float);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, stride, IntPtr.Zero);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, stride, new IntPtr(3 * sizeof(float)));
string vertexShaderSrc = @"
#version 400
layout(location = 0) in vec3 vertexPos;
layout(location = 1) in vec3 vertexColor;
out vec3 fragmentColor;
void main() {
gl_Position = vec4(vertexPos, 1.0);
fragmentColor = vertexColor;
}
";
string fragShaderSrc = @"
#version 400
in vec3 fragmentColor;
out vec4 finalColor;
void main() {
finalColor = vec4(fragmentColor, 1.0);
}
";
uint vShader = GL.CreateShader(ShaderType.VertexShader);
GL.ShaderSource(vShader, vertexShaderSrc);
GL.CompileShader(vShader);
string log = GL.GetShaderInfoLog(vShader);
if (!string.IsNullOrEmpty(log))
{
throw new Exception("Error on Vertex Shader: " + log);
}
uint fShader = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(fShader, fragShaderSrc);
GL.CompileShader(fShader);
log = GL.GetShaderInfoLog(fShader);
if (!string.IsNullOrEmpty(log))
{
throw new Exception("Error on Fragment Shader: " + log);
}
uint shaderProg = GL.CreateProgram();
GL.AttachShader(shaderProg, vShader);
GL.AttachShader(shaderProg, fShader);
GL.LinkProgram(shaderProg);
/* ==================================================================================== */
while (!Glfw.WindowShouldClose(window))
{
Glfw.PollEvents();
if (Glfw.GetKey(window, Key.Escape))
{
Glfw.SetWindowShouldClose(window, true);
}
GL.ClearColor(0.0f, 0.0f, 0.0f, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit);
/* DRAW TRIANGLE */
GL.UseProgram(shaderProg);
GL.BindVertexArray(vao);
GL.DrawArrays(BeginMode.Triangles, 0, 3);
GL.UseProgram(0);
Glfw.SwapBuffers(window);
}
GL.DeleteShader(vShader);
GL.DeleteShader(fShader);
GL.DeleteBuffer(vbo);
GL.DeleteVertexArray(vao);
Glfw.DestroyWindow(window);
Glfw.Terminate();
}
public bool GetKey(Key key)
{
return(Glfw.GetKey(window, (int)key) == (int)State.True);
}
// the pragram starts here
private static void AppMain()
{
// initialize GLFW
if (!Glfw.Init())
{
throw new Exception("glfwInit failed");
}
// open a window with GLFW
Glfw.WindowHint(WindowHint.OpenGLProfile, (int)OpenGLProfile.Core);
Glfw.WindowHint(WindowHint.ContextVersionMajor, 3);
Glfw.WindowHint(WindowHint.ContextVersionMinor, 2);
_window = Glfw.CreateWindow(ScreenSize.X, ScreenSize.Y, "", GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
if (_window.Equals(GlfwWindowPtr.Null))
{
throw new Exception("glfwOpenWindow failed. Can your hardware handle OpenGL 3.2?");
}
Glfw.MakeContextCurrent(_window);
// GLFW settings
Glfw.SetInputMode(_window, InputMode.CursorMode, CursorMode.CursorHidden | CursorMode.CursorCaptured);
Glfw.SetCursorPos(_window, 0, 0);
Glfw.SetScrollCallback(_window, new GlfwScrollFun((win, x, y) => {
//increase or decrease field of view based on mouse wheel
float zoomSensitivity = -0.2f;
float fieldOfView = _gCamera.FieldOfView + zoomSensitivity * (float)y;
if (fieldOfView < 5.0f)
{
fieldOfView = 5.0f;
}
if (fieldOfView > 130.0f)
{
fieldOfView = 130.0f;
}
_gCamera.FieldOfView = fieldOfView;
}));
// TODO: GLEW in C#
// print out some info about the graphics drivers
Console.WriteLine("OpenGL version: {0}", GL.GetString(StringName.Version));
Console.WriteLine("GLSL version: {0}", GL.GetString(StringName.ShadingLanguageVersion));
Console.WriteLine("Vendor: {0}", GL.GetString(StringName.Vendor));
Console.WriteLine("Renderer: {0}", GL.GetString(StringName.Renderer));
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Less);
// load vertex and fragment shaders into opengl
LoadShaders();
// load the texture
LoadTexture();
// create buffer and fill it with the points of the triangle
LoadCube();
_gCamera.Position = new Vector3(0, 0, 4);
_gCamera.ViewportAspectRatio = (float)ScreenSize.X / (float)ScreenSize.Y;
double lastTime = Glfw.GetTime();
// run while window is open
while (!Glfw.WindowShouldClose(_window))
{
// update the scene based on the time elapsed since last update
double thisTime = Glfw.GetTime();
Update(thisTime - lastTime);
lastTime = thisTime;
// draw one frame
Render();
//exit program if escape key is pressed
if (Glfw.GetKey(_window, Key.Escape))
{
Glfw.SetWindowShouldClose(_window, true);
}
}
// clean up and exit
Glfw.Terminate();
}
public bool IsKeyPressed(KeyCode key)
{
InputState state = Glfw.GetKey(window, (Keys)key);
return(state == InputState.Press || state == InputState.Repeat);
}
internal static void Update() //TODO rewrite
{
bool[] nowButtons = GetMouseButtons(); // [0]-left [1]-right [2]-middle [3]-4th mouse button [4]-5th mouse button.....
if (mouseLeftButton)
{
MouseLeftButtonClick = false;
}
else if (nowButtons[0])
{
MouseLeftButtonClick = true;
}
if (mouseRightButton)
{
MouseRightButtonClick = false;
}
else if (nowButtons[1])
{
MouseRightButtonClick = true;
}
if (mouseMiddleButton)
{
MouseMiddleButtonClick = false;
}
else if (nowButtons[2])
{
MouseMiddleButtonClick = true;
}
mouseLeftButton = nowButtons[0];
mouseRightButton = nowButtons[1];
mouseMiddleButton = nowButtons[2];
for (short i = 0; i < MouseButtons.Length; ++i)
{
int mouse = Glfw.GetMouseButton(Engine.MainWindow.GlfwWindow, i);
if (mouse == Glfw.PRESS)
{
if (MouseButtons[i] != KeyState.Pressed)
{
foreach (KeyValuePair <int, MouseEventFunc> pair in mouseEvents)
{
if (pair.Value != null && pair.Value.Invoke(GetMousePosition(), i, KeyState.Pressed))
{
clickReceiver = pair.Value;
break;
}
}
}
MouseButtons[i] = KeyState.Pressed;
}
else if (mouse == Glfw.RELEASE)
{
if (MouseButtons[i] == KeyState.Pressed)
{
foreach (KeyValuePair <int, MouseEventFunc> pair in mouseEvents)
{
Vector2 mousePos = GetMousePosition();
if (pair.Value != null && pair.Value.Invoke(mousePos, i, KeyState.Released))
{
if (clickReceiver != null && clickReceiver == pair.Value)
{
clickReceiver(mousePos, i, KeyState.Clicked);
}
}
}
clickReceiver = null;
MouseButtons[i] = KeyState.Clicked;
}
else if (MouseButtons[i] == KeyState.Clicked)
{
MouseButtons[i] = KeyState.Released;
}
}
}
for (short i = 0; i < Keys.Length; ++i)
{
int key = Glfw.GetKey(Engine.MainWindow.GlfwWindow, i);
if (key == Glfw.PRESS)
{
Keys[i] = KeyState.Pressed;
}
else if (key == Glfw.RELEASE)
{
if (Keys[i] == KeyState.Pressed)
{
Keys[i] = KeyState.Clicked;
}
else if (Keys[i] == KeyState.Clicked)
{
Keys[i] = KeyState.Released;
}
}
}
UpdateActions();
}
// update the scene based on the time elapsed since last update
private static void Update(float secondsElapsed)
{
//rotate the first instance in `gInstances`
float degreesPerSecond = 180.0f;
_gDegreesRotated += secondsElapsed * degreesPerSecond;
while (_gDegreesRotated > 360.0f)
{
_gDegreesRotated -= 360.0f;
}
_gInstances[0].Transform = Matrix.CreateFromAxisAngle(new Vector3(0, 1, 0), _gDegreesRotated);
//move position of camera based on WASD keys, and XZ keys for up and down
float moveSpeed = 4.0f; //units per second
if (Glfw.GetKey(_window, Key.S))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * -_gCamera.Forward);
}
else if (Glfw.GetKey(_window, Key.W))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * _gCamera.Forward);
}
if (Glfw.GetKey(_window, Key.A))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * -_gCamera.Right);
}
else if (Glfw.GetKey(_window, Key.D))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * _gCamera.Right);
}
if (Glfw.GetKey(_window, Key.Z))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * -new Vector3(0, 1, 0));
}
else if (Glfw.GetKey(_window, Key.X))
{
_gCamera.OffsetPosition((float)secondsElapsed * moveSpeed * new Vector3(0, 1, 0));
}
if (Glfw.GetKey(_window, Key.One))
{
_gLight.Position = _gCamera.Position;
}
if (Glfw.GetKey(_window, Key.Two))
{
_gLight.Intensities = new Vector3(1, 0, 0); // red
}
else if (Glfw.GetKey(_window, Key.Three))
{
_gLight.Intensities = new Vector3(0, 1, 0); //green
}
else if (Glfw.GetKey(_window, Key.Four))
{
_gLight.Intensities = new Vector3(1, 1, 1); //white
}
//rotate camera based on mouse movement
float mouseSensitivity = 0.1f;
double mouseX, mouseY;
Glfw.GetCursorPos(_window, out mouseX, out mouseY);
_gCamera.OffsetOrientation(mouseSensitivity * (float)mouseY, mouseSensitivity * (float)mouseX);
Glfw.SetCursorPos(_window, 0, 0); //reset the mouse, so it doesn't go out of the window
}
private static void Main()
{
if (!Glfw.Init())
{
Environment.Exit(-1);
}
Glfw.WindowHint(Glfw.Hint.Resizable, false);
Glfw.WindowHint(Glfw.Hint.Doublebuffer, true);
Glfw.WindowHint(Glfw.Hint.Samples, 4);
Glfw.Window window = Glfw.CreateWindow(1280, 720, "Hello World!");
if (!window)
{
Glfw.Terminate();
Environment.Exit(-1);
}
Gl.Initialize();
Glfw.MakeContextCurrent(window);
Gl.Enable(EnableCap.Multisample);
Gl.Enable(EnableCap.Texture2d);
Gl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
Gl.Enable(EnableCap.Blend);
System.Diagnostics.Trace.TraceInformation($"Renderer: {Gl.GetString(StringName.Renderer)}");
System.Diagnostics.Trace.TraceInformation($"Version: {Gl.GetString(StringName.Version)}");
uint vao = Gl.GenVertexArray();
Gl.BindVertexArray(vao);
float[] points =
{
// Pos color tex
-0.5f, 0.5f, 0f, 1f, 1f, 1f, 0f, 0f,
0.5f, 0.5f, 0f, 1f, 1f, 1f, 1f, 0f,
0.5f, -0.5f, 0f, 1f, 1f, 1f, 1f, 1f,
-0.5f, -0.5f, 0f, 1f, 1f, 1f, 0f, 1f,
0f, 0f, 0f, 1f, 1f, 1f, 0f, 0f,
1f, 0f, 0f, 1f, 1f, 1f, 1f, 0f,
1f, -1f, 0f, 1f, 1f, 1f, 1f, 1f,
0f, -1f, 0f, 1f, 1f, 1f, 0f, 1f
};
uint buffer = Gl.GenBuffer();
Gl.BindBuffer(BufferTarget.ArrayBuffer, buffer);
Gl.BufferData(BufferTarget.ArrayBuffer, (uint)points.Length * 4, points, BufferUsage.StaticDraw);
uint[] elements =
{
0, 1, 2,
2, 3, 0,
4, 5, 6,
6, 7, 4
};
uint ebo = Gl.GenBuffer();
Gl.BindBuffer(BufferTarget.ElementArrayBuffer, ebo);
Gl.BufferData(BufferTarget.ElementArrayBuffer, (uint)elements.Length * 4, elements, BufferUsage.StaticDraw);
uint texture = Gl.CreateTexture(TextureTarget.Texture2d);
{
Gl.BindTexture(TextureTarget.Texture2d, texture);
using (var image = new System.Drawing.Bitmap(".\\resources\\textures\\dirt.png")) {
System.Drawing.Imaging.BitmapData data = image.LockBits(new System.Drawing.Rectangle(0, 0, image.Width, image.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Gl.TexImage2D(TextureTarget.Texture2d, 0, InternalFormat.Rgba, data.Width, data.Height, 0, PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
image.UnlockBits(data);
}
Gl.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureMinFilter, Gl.NEAREST);
Gl.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureMagFilter, Gl.NEAREST);
}
ShaderProgram program;
using (var vertexShader = Shader.FromFile(".\\src\\shaders\\SimpleVertexShader.vert", ShaderType.VertexShader))
using (var fragmentShader = Shader.FromFile(".\\src\\shaders\\SimpleFragmentShader.frag", ShaderType.FragmentShader)) {
program = new ShaderProgram(
new[] { vertexShader, fragmentShader },
new string[] { "model", "projection" },
new[] { "position", "color", "texcoord" }
);
}
program.Use();
var posAttrib = (uint)program.Attributes["position"];
Gl.EnableVertexAttribArray(posAttrib);
Gl.VertexAttribPointer(posAttrib, 3, VertexAttribType.Float, false, 8 * 4, IntPtr.Zero);
var colAttrib = (uint)program.Attributes["color"];
Gl.EnableVertexAttribArray(colAttrib);
Gl.VertexAttribPointer(colAttrib, 3, VertexAttribType.Float, false, 8 * 4, new IntPtr(3 * 4));
var texAttrib = (uint)program.Attributes["texcoord"];
Gl.EnableVertexAttribArray(texAttrib);
Gl.VertexAttribPointer(texAttrib, 2, VertexAttribType.Float, false, 8 * 4, new IntPtr(6 * 4));
// var modelView = Matrix4x4f.Translated(0f, 0f, 0f);
// var projection = Matrix4x4d.Ortho2D(-1f, 1f, -1f, 1f);
// var modelAttrib = Gl.GetAttribLocation(programId, "model");
//var viewAttrib = Gl.GetAttribLocation(programId, "view");
//Gl.UniformMatrix4f(viewAttrib, 1, false, ref view);
// var projectionAttrib = Gl.GetAttribLocation(programId, "projection");
// Gl.UniformMatrix4f(projectionAttrib, 1, false, projection);
while (!Glfw.WindowShouldClose(window))
{
Gl.ClearColor(1.0f, 0.0f, 1.0f, 1.0f);
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
// Gl.UniformMatrix4f(modelAttrib, 1, false, projection * modelView);
Gl.DrawElements(PrimitiveType.Triangles, elements.Length, DrawElementsType.UnsignedInt, IntPtr.Zero);
Glfw.SwapBuffers(window);
Glfw.PollEvents();
if (Glfw.GetKey(window, (int)Glfw.KeyCode.Escape))
{
Glfw.SetWindowShouldClose(window, true);
}
}
Console.WriteLine("Exiting...");
Gl.DeleteBuffers(buffer);
Gl.DeleteVertexArrays(vao);
Glfw.Terminate();
}
// the pragram starts here
private static void AppMain()
{
// initialize GLFW
if (!Glfw.Init())
{
throw new Exception("glfwInit failed");
}
// open a window with GLFW
Glfw.WindowHint(WindowHint.OpenGLProfile, (int)OpenGLProfile.Core);
Glfw.WindowHint(WindowHint.ContextVersionMajor, 3);
Glfw.WindowHint(WindowHint.ContextVersionMinor, 2);
_window = Glfw.CreateWindow(ScreenSize.X, ScreenSize.Y, "", GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
if (_window.Equals(GlfwWindowPtr.Null))
{
throw new Exception("glfwOpenWindow failed. Can your hardware handle OpenGL 3.2?");
}
Glfw.MakeContextCurrent(_window);
// GLFW settings
Glfw.SetInputMode(_window, InputMode.CursorMode, CursorMode.CursorHidden | CursorMode.CursorCaptured);
Glfw.SetCursorPos(_window, 0, 0);
Glfw.SetScrollCallback(_window, new GlfwScrollFun((win, x, y) => {
//increase or decrease field of view based on mouse wheel
float zoomSensitivity = -0.2f;
float fieldOfView = _gCamera.FieldOfView + zoomSensitivity * (float)y;
if (fieldOfView < 5.0f)
{
fieldOfView = 5.0f;
}
if (fieldOfView > 130.0f)
{
fieldOfView = 130.0f;
}
_gCamera.FieldOfView = fieldOfView;
}));
// TODO: GLEW in C#
// print out some info about the graphics drivers
Console.WriteLine("OpenGL version: {0}", GL.GetString(StringName.Version));
Console.WriteLine("GLSL version: {0}", GL.GetString(StringName.ShadingLanguageVersion));
Console.WriteLine("Vendor: {0}", GL.GetString(StringName.Vendor));
Console.WriteLine("Renderer: {0}", GL.GetString(StringName.Renderer));
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Less);
// initialise the gWoodenCrate asset
LoadWoodenCrateAsset();
// create all the instances in the 3D scene based on the gWoodenCrate asset
CreateInstances();
_gCamera.Position = new Vector3(-4, 0, 17);
_gCamera.ViewportAspectRatio = (float)ScreenSize.X / (float)ScreenSize.Y;
_gCamera.SetNearAndFarPlanes(0.5f, 100.0f);
// setup light
_gLight = new Light()
{
Position = _gCamera.Position,
Intensities = new Vector3(1, 1, 1), // white
Attenuation = 0.2f,
AmbientCoefficient = 0.005f
};
float lastTime = (float)Glfw.GetTime();
// run while window is open
while (!Glfw.WindowShouldClose(_window))
{
// update the scene based on the time elapsed since last update
float thisTime = (float)Glfw.GetTime();
Update(thisTime - lastTime);
lastTime = thisTime;
// draw one frame
Render();
//exit program if escape key is pressed
if (Glfw.GetKey(_window, Key.Escape))
{
Glfw.SetWindowShouldClose(_window, true);
}
}
// clean up and exit
Glfw.Terminate();
}
public static bool GetKeyDown(int key)
{
/* Debug.Assert(Program.window != null); */
return(Glfw.GetKey(Program.window, key) == GLFW_PRESS);
}