public void DrawSkybox(CameraEntity camera)
{
Gl.Disable(EnableCap.CullFace);
var modelMatrix = Matrix4x4.Identity;
var scale = 10000.0f;
modelMatrix *= Matrix4x4.CreateScale(scale);
skyboxShader.Use();
skyboxShader.SetMatrix("projMatrix", camera.GetComponent <CameraComponent>().ProjMatrix);
skyboxShader.SetMatrix("viewMatrix", camera.GetComponent <CameraComponent>().ViewMatrix);
skyboxShader.SetMatrix("modelMatrix", modelMatrix);
skyboxShader.SetInt("environmentMap", 0);
Gl.ActiveTexture(TextureUnit.Texture0);
Gl.BindTexture(TextureTarget.TextureCubeMap, skybox.Id);
skyboxCube.Draw();
Gl.BindTexture(TextureTarget.TextureCubeMap, 0);
Gl.Enable(EnableCap.CullFace);
}
protected override bool Initialize()
{
if (cameraEntity != null)
{
cameraGimbalController = cameraEntity.GetComponent <GimbalController>();
return(true);
}
else
{
return(false);
}
}
private void DrawCamera(CameraEntity cameraEntity)
{
var windowWidth = ImGui.GetWindowSize().X;
var windowHeight = ImGui.GetWindowSize().Y;
var camera = cameraEntity.GetComponent <CameraComponent>();
var ratio = camera.Resolution.X / camera.Resolution.Y;
var image = camera.Framebuffer.ColorTexture;
var cameraScale = 1.0f;
ImGui.Image(
(IntPtr)image,
new System.Numerics.Vector2(windowHeight * ratio, windowHeight) * cameraScale,
new System.Numerics.Vector2(0, 1),
new System.Numerics.Vector2(1, 0));
}