public void Run()
{
Logger.Info("Welcome to the Fury Engine!");
Logger.Info("Platform: " + RuntimeInformation.OSDescription);
ImGuiController.Init(window);
while (running)
{
double time = GLFW.GetTime();
float elapsed = (float)(time - lastFrameTime);
Time.deltaTime = elapsed;
lastFrameTime = time;
if (!window.Minimised)
{
foreach (Layer layer in layerStack.Layers)
{
layer.OnUpdate();
}
ImGuiController.Begin(window);
foreach (Layer layer in layerStack.Layers)
{
layer.OnImGuiRender();
}
ImGuiController.End();
}
window.OnUpdate();
}
}
private void Update()
{
lastTime = (float)GLFW.GetTime();
earlyUpdateEvent?.Invoke();
updateEvent?.Invoke();
lateUpdateEvent?.Invoke();
GameObject.instances.Sort(new ByZPosition());
}
private void Draw()
{
postProcessor.Begin();
GL.ClearColor(0.0f, 0.0f, 0.0f, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit);
RenderObjects();
postProcessor.End();
postProcessor.Render();
RenderGUI();
SwapBuffers();
Time.deltaTimeUnscaled = (float)GLFW.GetTime() - lastTime;
Time.deltaTime = Time.deltaTimeUnscaled * Time.timeScale;
}
static void Main()
{
Console.WriteLine($"Working directory: '{Path.GetFullPath(".")}'.");
PrepareGLFW();
PrepareOpenGL();
PrepareOpenAL();
//double timePrev = 0d;
CheckGLErrors();
float[] points =
{
0.0f, 0.5f, 0.0f,
0.5f, -0.5f, 0.0f,
-0.5f, -0.5f, 0.0f
};
uint vbo = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData(BufferTarget.ArrayBuffer, points.Length * sizeof(float), points, BufferUsageHint.StaticDraw);
uint vao = GL.GenVertexArray();
GL.BindVertexArray(vao);
GL.EnableVertexAttribArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 0, IntPtr.Zero);
string vertexShader = @"#version 330 core
in vec3 vertex;
void main() {
gl_Position = vec4(vertex,1.0);
}";
string fragmentShader = @"#version 330 core
out vec4 color;
void main() {
color = vec4(1.0,0.5,0.0,1.0);
}";
uint vs = GL.CreateShader(ShaderType.VertexShader);
GL.ShaderSource(vs, vertexShader);
GL.CompileShader(vs);
uint fs = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(fs, fragmentShader);
GL.CompileShader(fs);
uint program = GL.CreateProgram();
GL.AttachShader(program, vs);
GL.AttachShader(program, fs);
GL.LinkProgram(program);
while (GLFW.WindowShouldClose(window) == 0)
{
GLFW.PollEvents();
double time = GLFW.GetTime();
//double deltaTime = time-timePrev;
//timePrev = time;
GLFW.GetFramebufferSize(window, out int width, out int height);
GL.Viewport(0, 0, width, height);
var(colorR, colorG, colorB) = GetRainbowColor((float)time * 0.75f);
colorR = Math.Max(colorR, 0.9f);
colorG = Math.Max(colorG, 0.9f);
colorB = Math.Max(colorB, 0.9f);
GL.ClearColor(colorR, colorG, colorB); //GL.ClearColor(70/255f,130/255f,180/255f);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.UseProgram(program);
GL.BindVertexArray(vao);
GL.DrawArrays(PrimitiveType.Triangles, 0, points.Length / 3);
GLFW.SwapBuffers(window);
CheckGLErrors();
Thread.Sleep(1);
}
UnloadOpenAL();
UnloadGLFW();
}
public static void Start()
{
StartTime = (float)GLFW.GetTime();
}