/// <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 Wall(Vertex[] vertex1, string name, OpenGL gl)
{
DepthBufferAttributes depthBufferAttributes = new DepthBufferAttributes();
depthBufferAttributes.DepthFunction = DepthFunction.LessThanOrEqual;
depthBufferAttributes.EnableDepthTest = true;
Name = name;
// ==== Fill polygon ===
PolygonAttributes polygonFillAttributes = new PolygonAttributes();
polygonFillAttributes.PolygonMode = PolygonMode.Filled;
polygonFillAttributes.CullFaces = FaceMode.Back;
polygonFillAttributes.EnableCullFace = true;
polygonFillAttributes.OffsetFactor = 0f;
polygonFillAttributes.OffsetBias = 0;
polygonFillAttributes.EnableOffsetFill = true;
OpenGLAttributesEffect polyFillEffect = new OpenGLAttributesEffect();
polyFillEffect.PolygonAttributes = polygonFillAttributes;
//polyFillEffect.DepthBufferAttributes = depthBufferAttributes;
SharpGL.SceneGraph.Primitives.Polygon polyFill = new Polygon(this.Name, vertex1);
polyFill.Material = Materials.Pink(gl);
polyFill.AddEffect(polyFillEffect);
this.Children.Add(polyFill);
// ==== Border polygon ===
PolygonAttributes polygonBorderAttributes = new PolygonAttributes();
polygonBorderAttributes.PolygonMode = PolygonMode.Lines;
polygonBorderAttributes.OffsetFactor = -.5f;
polygonBorderAttributes.OffsetBias = -.5f;
polygonBorderAttributes.EnableOffsetLine = true;
polygonBorderAttributes.CullFaces = FaceMode.Back;
polygonBorderAttributes.EnableCullFace = true;
OpenGLAttributesEffect polyBorderEffect = new OpenGLAttributesEffect();
polyBorderEffect.PolygonAttributes = polygonBorderAttributes;
//polyBorderEffect.DepthBufferAttributes = depthBufferAttributes;
SharpGL.SceneGraph.Primitives.Polygon polyBorder = new Polygon(this.Name, vertex1);
polyBorder.Material = Materials.DarkGrey(gl);
polyBorder.AddEffect(polyBorderEffect);
this.Children.Add(polyBorder);
this.polyFill = polyFill;
}
/// <summary>
///
/// </summary>
/// <param name="camera">if null, please set camera for result's orthoArcBallEffect.Camera property later.</param>
/// <returns></returns>
public static OrthoAxisElement Create(LookAtCamera camera = null)
{
OrthoAxisElement element = new OrthoAxisElement()
{
Name = "orthogonal axis element"
};
// 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 = false;
//sceneAttributes.EnableAttributes.EnableTexture2D = true;
//sceneAttributes.EnableAttributes.EnableBlend = true;
//sceneAttributes.ColorBufferAttributes.BlendingSourceFactor = BlendingSourceFactor.SourceAlpha;
//sceneAttributes.ColorBufferAttributes.BlendingDestinationFactor = BlendingDestinationFactor.OneMinusSourceAlpha;
//sceneAttributes.LightingAttributes.TwoSided = true;
//sceneAttributes.TransformAttributes.MatrixMode = MatrixMode.Projection;
element.AddEffect(sceneAttributes);
OrthoArcBallEffect orthoAxisArcBallEffect = new OrthoArcBallEffect(camera);
element.AddEffect(orthoAxisArcBallEffect);
Axies axies = new Axies();
element.AddChild(axies);
LinearTransformationEffect transform = new LinearTransformationEffect();
transform.LinearTransformation.ScaleX = 10;
transform.LinearTransformation.ScaleY = 10;
transform.LinearTransformation.ScaleZ = 10;
axies.AddEffect(transform);
//Grid grid = new Grid();
//element.AddChild(grid);
//LinearTransformationEffect transform = new LinearTransformationEffect();
//transform.LinearTransformation.ScaleX = 0.1f;
//transform.LinearTransformation.ScaleY = 0.1f;
//transform.LinearTransformation.ScaleZ = 0.1f;
//grid.AddEffect(transform);
element.orthoArcBallEffect = orthoAxisArcBallEffect;
return(element);
}
private OpenGLAttributesEffect InitializeSceneAttributes(SceneElement parent)
{
// 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 = false;
sceneAttributes.EnableAttributes.EnableTexture2D = true;
//sceneAttributes.EnableAttributes.EnableBlend = true;
sceneAttributes.ColorBufferAttributes.BlendingSourceFactor = BlendingSourceFactor.SourceAlpha;
sceneAttributes.ColorBufferAttributes.BlendingDestinationFactor = BlendingDestinationFactor.OneMinusSourceAlpha;
sceneAttributes.LightingAttributes.TwoSided = true;
sceneAttributes.LightingAttributes.AmbientLight = new GLColor(1, 1, 1, 1);
parent.AddEffect(sceneAttributes);
return(sceneAttributes);
}
public static unsafe OrthoColorIndicatorElement Create(ColorTemplate colorTemplate)
{
OrthoColorIndicatorElement element = new OrthoColorIndicatorElement()
{
Name = "orthogonal color indicator element"
};
OrthoColorIndicatorBar bar = CreateBar(colorTemplate);
element.AddChild(bar);
element.bar = bar;
OrthoColorIndicatorNumber number = CreateNumber(colorTemplate);
element.AddChild(number);
element.number = number;
// 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 = false;
//sceneAttributes.EnableAttributes.EnableTexture2D = true;
//sceneAttributes.EnableAttributes.EnableBlend = true;
//sceneAttributes.ColorBufferAttributes.BlendingSourceFactor = BlendingSourceFactor.SourceAlpha;
//sceneAttributes.ColorBufferAttributes.BlendingDestinationFactor = BlendingDestinationFactor.OneMinusSourceAlpha;
//sceneAttributes.LightingAttributes.TwoSided = true;
//sceneAttributes.TransformAttributes.MatrixMode = MatrixMode.Projection;
element.AddEffect(sceneAttributes);
return(element);
}
public void AddSymbol(Circle circle, OpenGL gl)
{
DepthBufferAttributes depthBufferAttributes = new DepthBufferAttributes();
depthBufferAttributes.DepthFunction = DepthFunction.LessThanOrEqual;
depthBufferAttributes.EnableDepthTest = true;
PolygonAttributes polygonBorderAttributes = new PolygonAttributes();
polygonBorderAttributes.PolygonMode = PolygonMode.Lines;
polygonBorderAttributes.EnableOffsetLine = true;
polygonBorderAttributes.OffsetFactor = -3f;
polygonBorderAttributes.OffsetBias = -3f;
OpenGLAttributesEffect polyBorderEffect = new OpenGLAttributesEffect();
polyBorderEffect.PolygonAttributes = polygonBorderAttributes;
polyBorderEffect.DepthBufferAttributes = depthBufferAttributes;
circle.Material = Materials.DarkGrey(gl);
circle.AddEffect(polyBorderEffect);
this.Children.Add(circle);
}
/// <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(ColorCodedPickingScene scene)
{
// Create the 'Look At' camera
var lookAtCamera = new ScientificCamera()
{
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);
}
private void InitializeModelScene(Scene scene, Rect3D rect3D, OpenGLControl sceneControl, ArcBallEffect arcBallEffect)
{
float centerX = rect3D.X + rect3D.Size.x / 2.0f;
float centerY = rect3D.Y + rect3D.Size.y / 2.0f;
float centerZ = rect3D.Z + rect3D.Size.z / 2.0f;
//scene.CreateInContext(scenContor);
Vertex center = new Vertex(centerX, centerY, centerZ);
Vertex position = center + new Vertex(0.0f, 0.0f, 1.0f) * (rect3D.Size.z * 2);
Vertex PositionNear = center + new Vertex(0.0f, 0.0f, 1.0f) * (rect3D.Size.z * 0.52f);
//arcBallEffect.
var lookAtCamera = new LookAtCamera()
{
Position = position,
Target = center,
UpVector = new Vertex(0f, 1f, 0f),
FieldOfView = 60,
AspectRatio = 1.0f,
Near = (PositionNear - center).Z,
Far = float.MaxValue
};
scene.CurrentCamera = lookAtCamera;
Vertex lightPosition = center;
Light light1 = new Light()
{
Name = "Light 1",
On = true,
Position = lightPosition,
GLCode = OpenGL.GL_LIGHT0
};
/*
* Light light2 = new Light()
* {
* Name = "Light 2",
* On = true,
* Position = center + new Vertex(1.0f,0.0f,0.0f)* rect3D.Size.x,
* GLCode = OpenGL.GL_LIGHT1
* };
*
* Light light3 = new Light()
* {
* Name = "Light 3",
* On = true,
* Position = center + new Vertex(0.0f,1.0f,0.0f)*rect3D.Size.y,
* GLCode = OpenGL.GL_LIGHT2
* };
*/
var 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);
sceneControl.OpenGL.SetDimensions(sceneControl.Width, sceneControl.Height);
scene.Resize(sceneControl.Width, sceneControl.Height);
}
public RoundColumn(OpenGL gl, string name, Circle circle, float bottomPoint, float topPoint) : base()
{
this.Name = name;
this.circle = circle;
this.bottomPoint = bottomPoint;
this.topPoint = topPoint;
boundingVolumeHelper = new BoundingVolumeHelper();
Vertex startPoint = circle.StartPoint;
Vertex secondPoint = circle.SecondPoint;
Vertex endPoint = circle.EndPoint;
// ==== Create bottom circle of column ====
startPoint.Z = bottomPoint;
secondPoint.Z = bottomPoint;
endPoint.Z = bottomPoint;
DepthBufferAttributes depthBufferAttributes = new DepthBufferAttributes();
depthBufferAttributes.DepthFunction = DepthFunction.LessThanOrEqual;
depthBufferAttributes.EnableDepthTest = true;
PolygonAttributes polygonAttributes = new PolygonAttributes();
polygonAttributes.PolygonMode = PolygonMode.Lines;
polygonAttributes.EnableOffsetLine = true;
polygonAttributes.OffsetFactor = -.9f;
polygonAttributes.OffsetBias = -.9f;
OpenGLAttributesEffect openGLAttributesEffect = new OpenGLAttributesEffect();
openGLAttributesEffect.PolygonAttributes = polygonAttributes;
//openGLAttributesEffect.DepthBufferAttributes = depthBufferAttributes;
Circle bottomCircle = new Circle(new Vertex(startPoint), new Vertex(secondPoint), new Vertex(endPoint));
bottomCircle.Material = Materials.DarkGrey(gl);
bottomCircle.AddEffect(openGLAttributesEffect);
AddChild(bottomCircle);
// ==== Create top circle of column ====
startPoint.Z = topPoint;
secondPoint.Z = topPoint;
endPoint.Z = topPoint;
Circle topCircle = new Circle(new Vertex(startPoint), new Vertex(secondPoint), new Vertex(endPoint));
topCircle.Material = Materials.DarkGrey(gl);
topCircle.AddEffect(openGLAttributesEffect);
AddChild(topCircle);
// ==== Create column body ====
// Create the display list.
this.Material = Materials.Purple(gl);
displayList = new DisplayList();
// Generate the display list and
displayList.Generate(gl);
displayList.New(gl, DisplayList.DisplayListMode.CompileAndExecute);
gl.PolygonMode(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_FILL);
gl.Begin(BeginMode.QuadStrip);
double angle = 0;
while (angle <= 2 * Math.PI * 1.01)
{
double xTmp = circle.Radius * Math.Cos(angle);
double yTmp = circle.Radius * Math.Sin(angle);
gl.Vertex(circle.Center.X + xTmp, circle.Center.Y + yTmp, bottomPoint);
gl.Vertex(circle.Center.X + xTmp, circle.Center.Y + yTmp, topPoint);
angle += 0.1;
}
gl.End();
// End the display list.
displayList.End(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);
}
