/// <summary>
/// Initializes a new instance of the <see cref="ParticleSystem"/> class.
/// </summary>
public ParticleSystem()
{
// Create the effect for the system.
OpenGLAttributesEffect attributesEffect = new OpenGLAttributesEffect();
attributesEffect.LightingAttributes.Enable = false;
// Add the effects.
AddEffect(attributesEffect);
}
public void draw_sphere(OpenGL gl, double agent)
{
Sphere sphere = new SharpGL.SceneGraph.Quadrics.Sphere();
sphere.Radius = agent;
GLColor glClr = new GLColor(0.0f, 0.0f, 1.0f, 0.5f);
OpenGLAttributesEffect glEffect = new OpenGLAttributesEffect();
glEffect.ColorBufferAttributes.ColorModeClearColor = glClr;
glEffect.ColorBufferAttributes.ColorModeWriteMask = glClr;
sphere.NormalGeneration = SharpGL.SceneGraph.Quadrics.Normals.Smooth;
sphere.NormalOrientation = SharpGL.SceneGraph.Quadrics.Orientation.Outside;
sphere.QuadricDrawStyle = SharpGL.SceneGraph.Quadrics.DrawStyle.Fill;
sphere.AddEffect(glEffect);
sphere.CreateInContext(gl);
sphere.Slices = 100;
sphere.Stacks = 100;
sphere.TextureCoords = false;
sphere.PushObjectSpace(gl);
sphere.Render(gl, SharpGL.SceneGraph.Core.RenderMode.Render);
sphere.PopObjectSpace(gl);
}
/// <summary>
/// Construct a new scene, optionally enableing post-processing, if available.
/// </summary>
/// <param name="postprocessingEnabled">Whether or not to enable post-processing; defaults to false</param>
public Scene(OpenGL gl, Size viewportSize)
{
this.gl = gl;
this.viewportSize = viewportSize;
model = null;
postprocessingEnabled = false;
ClearColor = Color.Black;
camera = new MovingLookAtCamera()
{
Position = new Vertex(10f, 0f, 0f),
Target = new Vertex(0f, 0f, 0f),
UpVector = new Vertex(0f, 0f, 1f),
Near = 0,
Far = 250,
HorizontalTheta = 0.785f,
VerticalTheta = -0.785f
};
RenderGrid = true;
RenderAxies = true;
grid = new Grid();
grid.Size = 150;
axies = new Axies();
axies.Size = 150;
//Set attributes
attrs = new OpenGLAttributesEffect();
attrs.EnableAttributes.EnableDepthTest = true;
attrs.EnableAttributes.EnableNormalize = true;
attrs.EnableAttributes.EnableLighting = true;
attrs.EnableAttributes.EnableTexture2D = true;
attrs.LightingAttributes.TwoSided = false;
Color col = Color.FromArgb(40, 40, 40);
// Nice soft-ish lighting
Light light = new Light(OpenGL.GL_LIGHT0)
{
Position = new Vertex(-9, -9, 11),
Ambient = Color.Black,
Diffuse = col,
Specular = col
};
this.Children.Add(light);
light = new Light(OpenGL.GL_LIGHT1)
{
Position = new Vertex(9, -9, 11),
Ambient = Color.Black,
Diffuse = col,
Specular = col
};
this.Children.Add(light);
light = new Light(OpenGL.GL_LIGHT2)
{
Position = new Vertex(0, 15, 15),
Ambient = Color.Black,
Diffuse = col,
Specular = col
};
this.Children.Add(light);
}
/// <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);
}