private void InitLight(SceneElement parent)
{
Light light1 = new Light()
{
Name = "Light 1",
On = true,
Position = new Vertex(-9, -9, 11),
GLCode = OpenGL.GL_LIGHT0
};
Light light2 = new Light()
{
Name = "Light 2",
On = true,
Position = new Vertex(9, -9, 11),
GLCode = OpenGL.GL_LIGHT1
};
Light light3 = new Light()
{
Name = "Light 3",
On = true,
Position = new Vertex(0, 15, 15),
GLCode = OpenGL.GL_LIGHT2
};
var folder = new SharpGL.SceneGraph.Primitives.Folder()
{
Name = "光照"
};
parent.AddChild(folder);
folder.AddChild(light1);
folder.AddChild(light2);
folder.AddChild(light3);
}
/// <summary>
/// 设置轴线
/// </summary>
public void Axiesline(float interval)
{
///x轴
///y轴
var folder = new SharpGL.SceneGraph.Primitives.Folder()
{
Name = "Axis"
};
Material red = new Material();
red.Emission = Color.Red;
red.Diffuse = Color.Red;
Cylinder x1 = new Cylinder()
{
Name = "X1"
};
x1.BaseRadius = 0.05;
x1.TopRadius = 0.05;
x1.Height = 1.5;
x1.Transformation.RotateY = 90f;
x1.Material = red;
folder.AddChild(x1);
Cylinder x2 = new Cylinder()
{
Name = "X2"
};
x2.BaseRadius = 0.1;
x2.TopRadius = 0;
x2.Height = 0.2;
x2.Transformation.TranslateX = 1.5f;
x2.Transformation.RotateY = 90f;
x2.Material = red;
folder.AddChild(x2);
// Y轴
Material green = new Material();
green.Emission = Color.Green;
green.Diffuse = Color.Green;
Cylinder y1 = new Cylinder()
{
Name = "Y1"
};
y1.BaseRadius = 0.05;
y1.TopRadius = 0.05;
y1.Height = 1.5;
y1.Transformation.RotateX = -90f;
y1.Material = green;
folder.AddChild(y1);
Cylinder y2 = new Cylinder()
{
Name = "Y2"
};
y2.BaseRadius = 0.1;
y2.TopRadius = 0;
y2.Height = 0.2;
y2.Transformation.TranslateY = 1.5f;
y2.Transformation.RotateX = -90f;
y2.Material = green;
folder.AddChild(y2);
// Z轴
Material blue = new Material();
blue.Emission = Color.Blue;
blue.Diffuse = Color.Blue;
Cylinder z1 = new Cylinder()
{
Name = "Z1"
};
z1.BaseRadius = 0.05;
z1.TopRadius = 0.05;
z1.Height = 1.5;
z1.Material = blue;
folder.AddChild(z1);
Cylinder z2 = new Cylinder()
{
Name = "Z2"
};
z2.BaseRadius = 0.1;
z2.TopRadius = 0;
z2.Height = 0.2;
z2.Transformation.TranslateZ = 1.5f;
z2.Material = blue;
folder.AddChild(z2);
}
/// <summary>
/// Initialises a modeling scene. A modeling scene has:
/// - A 'Look At' camera targetting the centre of the scene
/// - Three gentle omnidirectional lights
/// - A design time grid and axis.
/// </summary>
/// <param name="scene">The scene.</param>
public static void InitialiseModelingScene(Scene scene)
{
// Create the 'Look At' camera
var lookAtCamera = new LookAtCamera()
{
Position = new Vertex(-10f, -10f, 10f),
Target = new Vertex(0f, 0f, 0f),
UpVector = new Vertex(0f, 0f, 1f)
};
// Set the look at camera as the current camera.
scene.CurrentCamera = lookAtCamera;
// Add some design-time primitives.
var folder = new Folder() { Name = "Design Primitives" };
folder.AddChild(new Grid());
folder.AddChild(new Axies());
scene.SceneContainer.AddChild(folder);
// Create some lights.
Light light1 = new Light()
{
Name="Light 1",
On = true,
Position = new Vertex(-9, -9, 11),
GLCode = OpenGL.GL_LIGHT0
};
Light light2 = new Light()
{
Name = "Light 2",
On = true,
Position = new Vertex(9, -9, 11),
GLCode = OpenGL.GL_LIGHT1
};
Light light3 = new Light()
{
Name = "Light 3",
On = true,
Position = new Vertex(0, 15, 15),
GLCode = OpenGL.GL_LIGHT2
};
// Add the lights.
folder = new Folder() { Name = "Lights" };
folder.AddChild(light1);
folder.AddChild(light2);
folder.AddChild(light3);
scene.SceneContainer.AddChild(folder);
// Create a set of scene attributes.
OpenGLAttributesEffect sceneAttributes = new OpenGLAttributesEffect()
{
Name = "Scene Attributes"
};
// Specify the scene attributes.
sceneAttributes.EnableAttributes.EnableDepthTest = true;
sceneAttributes.EnableAttributes.EnableNormalize = true;
sceneAttributes.EnableAttributes.EnableLighting = true;
sceneAttributes.EnableAttributes.EnableTexture2D = true;
sceneAttributes.EnableAttributes.EnableBlend = true;
sceneAttributes.ColorBufferAttributes.BlendingSourceFactor = BlendingSourceFactor.SourceAlpha;
sceneAttributes.ColorBufferAttributes.BlendingDestinationFactor = BlendingDestinationFactor.OneMinusSourceAlpha;
sceneAttributes.LightingAttributes.TwoSided = true;
scene.SceneContainer.AddEffect(sceneAttributes);
}