public static void Main()
{
var window = new MyOTKEWindow(
gameWindowSettings: GameWindowSettings.Default,
nativeWindowSettings: NativeWindowSettings.Default,
lockCursor: false,
clearColor: Color.Black())
{
Title = "MyOTKE Example",
WindowState = WindowState.Fullscreen,
WindowBorder = WindowBorder.Resizable,
};
// Obviously not ideal to have to set font globally - need to sort this out, probably via some nice
// texture management stuff in the core lib.
Text.Font = new Font(@"Assets\Fonts\Inconsolata\Inconsolata-Regular.ttf");
// MyOTKEWindow has a RootComponent property. Components can be composed of other components -
// there's even a handy CompositeComponent base class to make this easy - see the two examples
// below, and note that MenuComponent (which consists of a single GUI component and has
// no overrides) is only a class of its own to make disposal on button press easy.
window.RootComponent = new MenuComponent(window);
window.Run();
}
/// <summary>
/// Initializes a new instance of the <see cref="Gui"/> class.
/// </summary>
/// <param name="view">The view from which to derive size and input.</param>
/// <param name="initialCapacity">Initial capacity of the GUI, in vertices.</param>
public Gui(MyOTKEWindow view, int initialCapacity)
{
this.view = view;
this.view.Resize += View_Resized;
this.SubElements = new ElementCollection(this);
if (program == null && programBuilder == null)
{
lock (ProgramStateLock)
{
if (program == null && programBuilder == null)
{
programBuilder = new GlProgramBuilder()
.WithVertexShaderFromEmbeddedResource("Gui.Vertex.glsl")
.WithFragmentShaderFromEmbeddedResource("Gui.Fragment.glsl")
.WithDefaultUniformBlock <Uniforms>();
}
}
}
this.vertexBufferBuilder = new ReactiveBufferBuilder <Vertex>(
PrimitiveType.Triangles,
initialCapacity,
new[] { 0, 2, 3, 0, 3, 1 },
this.SubElements.Flatten());
}
public MenuComponent(MyOTKEWindow view)
{
view.LockCursor = false;
var systemInfo = new StringBuilder();
systemInfo.AppendLine($"OpenGl version: {GL.GetString(StringName.Version)}");
systemInfo.AppendLine($"OpenGl Shading Language version: {GL.GetString(StringName.ShadingLanguageVersion)}");
systemInfo.AppendLine($"Vendor: {GL.GetString(StringName.Vendor)}");
systemInfo.AppendLine($"Renderer: {GL.GetString(StringName.Renderer)}");
AddComponent(new Gui(view, 1000)
{
SubElements =
{
new Button(
layout: new Layout((0f, 0f), (0f, 0f), (200, 40), new Vector2(0, 70)),
color: Color.Blue(.5f),
textColor: Color.White(),
text: "FIRST PERSON DEMO",
v =>
{
view.RootComponent = new FirstPersonComponent(view);
this.Dispose();
}),
new Button(
layout: new Layout((0f, 0f), (0f, 0f), (200, 40), new Vector2(0, 10)),
color: Color.Blue(.5f),
textColor: Color.White(),
text: "ORBIT DEMO",
v =>
{
view.RootComponent = new OrbitComponent(view);
this.Dispose();
}),
new Button(
layout: new Layout((0f, 0f), (0f, 0f), (200, 40), new Vector2(0, -50)),
color: Color.Blue(.5f),
textColor: Color.White(),
text: "QUIT",
v => view.Close()),
new Text(
layout: new Layout((0f, -1f), (0f, -1f), (1f, 100)),
color: Color.Grey(0.7f),
content: systemInfo.ToString())
{
HorizontalAlignment = 0.5f,
},
},
});
public FirstPersonComponent(MyOTKEWindow view)
{
this.view = view;
camera = new FirstPersonCamera(
view,
movementSpeed: 3.0f,
rotationSpeed: 0.005f,
fieldOfViewRadians: (float)Math.PI / 4.0f,
nearPlaneDistance: 0.1f,
farPlaneDistance: 100f,
initialPosition: new Vector3(0f, 0f, 3f),
initialHorizontalAngleRadians: (float)Math.PI,
initialVerticalAngleRadians: 0f);
var texturedTriangleVertices = new[]
{
new TexturedStaticMesh.Vertex(
new Vector3(-1f, -1f, -2f),
new Vector2(0f, 0f),
new Vector3(0f, 0f, 1f)),
new TexturedStaticMesh.Vertex(
new Vector3(1f, -1f, -2f),
new Vector2(1f, 0f),
new Vector3(0f, 0f, 1f)),
new TexturedStaticMesh.Vertex(
new Vector3(0f, 1f, -2f),
new Vector2(0.5f, 1f),
new Vector3(0f, 0f, 1f)),
};
AddComponent(new TexturedStaticMesh(
camera,
texturedTriangleVertices,
new uint[] { 0, 1, 2 },
@"Assets\Textures\foo.bmp")
{
AmbientLightColor = Color.Grey(),
});
var coloredTriangleVertices = new[]
{
new ColoredStaticMesh.Vertex(
new Vector3(2f, 2f, -3f),
Color.Red(),
new Vector3(0f, 0f, 1f)),
new ColoredStaticMesh.Vertex(
new Vector3(-2f, 2f, -3f),
Color.Green(),
new Vector3(0f, 0f, 1f)),
new ColoredStaticMesh.Vertex(
new Vector3(0f, -2f, -3f),
Color.Blue(),
new Vector3(0f, 0f, 1f)),
};
AddComponent(new ColoredStaticMesh(
camera,
coloredTriangleVertices,
new uint[] { 0, 1, 2 })
{
AmbientLightColor = Color.Grey(),
});
AddComponent(new PrimitiveRenderer(camera, Observable.Return(cubeSubject), 12)
{
AmbientLightColor = Color.Grey(0.1f),
DirectedLightDirection = new Vector3(0, 1f, 0f),
DirectedLightColor = Color.Grey(),
});
AddComponent(lines = new ColoredLines(camera)
{
AmbientLightColor = Color.Grey(),
});
camTextElement = new Text(
new Layout((-1f, 1f), (-1f, 1f), (1f, 0f)),
color: Color.White());
logElement = new TextStream(
new Layout((-1f, 1f), (-1f, 1f), (1f, 0f), new Vector2(0, -100)),
textColor: Color.White(),
10);
AddComponent(new Gui(view, 1000)
{
SubElements =
{
new Panel(
layout: new Layout((-1f, 0f), (-1f, 0f), (250, 1f)),
color: Color.White(0.05f))
{
SubElements =
{
camTextElement,
logElement,
},
},
},
});
