public static TextureCubeMap CreateTextureCubeMap(NutTexture t)
{
TextureCubeMap texture = new TextureCubeMap(Properties.Resources._10102000);
texture.Bind();
// Necessary to access mipmaps past the base level.
texture.MinFilter = TextureMinFilter.LinearMipmapLinear;
// The number of mip maps needs to be specified first.
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMaxLevel, t.surfaces[0].mipmaps.Count);
GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
for (int i = 0; i < t.surfaces.Count; i++)
{
GL.CompressedTexImage2D <byte>(TextureTarget.TextureCubeMapPositiveX + i, 0, (InternalFormat)t.pixelInternalFormat, t.Width, t.Height, 0, t.ImageSize, t.surfaces[i].mipmaps[0]);
// Initialize the data for each level.
for (int j = 1; j < t.surfaces[i].mipmaps.Count; j++)
{
GL.CompressedTexImage2D <byte>(TextureTarget.TextureCubeMapPositiveX + i, j, (InternalFormat)t.pixelInternalFormat,
t.Width / (int)Math.Pow(2, j), t.Height / (int)Math.Pow(2, j), 0, t.ImageSize, t.surfaces[i].mipmaps[j]);
}
}
return(texture);
}
public override void Render(float time, float deltaTime)
{
_viewMatrix = Matrix4x4.CreateLookAt(_cameraPosition, _cameraTarget, Vector3Helper.Up);
_modelMatrix = Matrix4x4.CreateRotationY(0f * 3f);
_projectionMatrix = Matrix4x4.CreatePerspectiveFieldOfView(1.0f, Window.AspectRatio, 0.1f, 10_000.0f);
_shader.SetUniform("model", ref _modelMatrix);
_shader.SetUniform("view", ref _viewMatrix);
_shader.SetUniform("projection", ref _projectionMatrix);
_shader.TrySetUniform("lightPos", _lightPos);
_shader.TrySetUniform("lightColor", _lightColor.ToVector3());
_shader.TrySetUniform("cameraPos", _cameraPosition);
RenderContext.Clear(Color.Black);
if (_skybox0 != null)
{
var viewMatrixNoTranslation = _viewMatrix;
viewMatrixNoTranslation.Translation = Vector3.Zero;
_skyboxShader.SetUniform("view", ref viewMatrixNoTranslation);
_skyboxShader.SetUniform("projection", ref _projectionMatrix);
_skyboxShader.SetUniform("skybox", 0);
_skybox0.Bind(0, RenderContext);
RenderContext.DepthMask = false;
_skyboxMesh.Render(RenderContext, _skyboxShader);
RenderContext.DepthMask = true;
}
if (_nanosuit != null)
{
RenderContext.Render(_nanosuit, _shader);
}
_shader.SetUniform("model", Matrix4x4.CreateTranslation(_lightPos));
_mesh.Render(RenderContext, _shader);
ImGuiHelper.BeginGlobalDocking(false);
ImGui.End();
ImGui.Begin("Controls");
{
ImGui.DragFloat3("Camera Position", ref _cameraPosition);
ImGui.DragFloat3("Camera Target", ref _cameraTarget);
ImGui.Separator();
ImGuiHelper.ColorEdit4("Light Color", ref _lightColor);
ImGui.DragFloat3("Light Position", ref _lightPos);
}
ImGui.End();
if (ImGui.Button("Quit"))
{
Quit();
}
ImGui.Separator();
if (Window.VSync == VSyncMode.On)
{
if (ImGui.Button("Disable VSync"))
{
Window.VSync = VSyncMode.Off;
_log.Info("VSync disabled.");
}
}
else
{
if (ImGui.Button("Enable VSync"))
{
Window.VSync = VSyncMode.On;
_log.Info("VSync enabled.");
}
}
if (ImGui.Button("Set Fullscreen"))
{
Window.FullscreenState = FullscreenState.Fullscreen;
}
if (ImGui.Button("Set Windowed"))
{
Window.FullscreenState = FullscreenState.Windowed;
}
ImGui.End();
ImGui.ShowMetricsWindow();
}