public AggregateComponent(Color _color, int _id)
{
p = null;
id = _id;
component_model = new GeometryModel3D {
Geometry = new MeshGeometry3D()
};
Ellipse ellipse = new Ellipse {
Width = 32.0,
Height = 32.0
};
RadialGradientBrush rb = new RadialGradientBrush();
rb.GradientStops.Add(new GradientStop(_color, 0.0));
rb.GradientStops.Add(new GradientStop(Colors.Black, 1.0));
rb.Freeze();
ellipse.Fill = rb;
ellipse.Measure(new Size(32.0, 32.0));
ellipse.Arrange(new Rect(0.0, 0.0, 32.0, 32.0));
//RenderTargetBitmap bm = new RenderTargetBitmap(32, 32, 96.0, 96.0, PixelFormats.Pbgra32);
//bm.Render(ellipse);
//bm.Freeze();
//ImageBrush ib = new ImageBrush(bm);
ellipse.CacheMode = new BitmapCache();
BitmapCacheBrush ib = new BitmapCacheBrush(ellipse);
DiffuseMaterial dm = new DiffuseMaterial(ib);
component_model.Material = dm;
particle_positions = new Point3DCollection();
triangle_indices = new Int32Collection();
tex_coords = new PointCollection();
((MeshGeometry3D)component_model.Geometry).Positions = particle_positions;
((MeshGeometry3D)component_model.Geometry).TriangleIndices = triangle_indices;
((MeshGeometry3D)component_model.Geometry).TextureCoordinates = tex_coords;
}
/// <summary>
/// Updates the view of a simulation model for an
/// aggregate on a 2D lattice.
/// </summary>
public void Update()
{
// get the most recently added particle
AggregateParticle p = particle_stack.Peek();
int position_index = particle_stack.Count * 4;
// add points to particle positions collection
particle_positions.Add(new Point3D(p.position.X, p.position.Y, p.position.Z));
particle_positions.Add(new Point3D(p.position.X, p.position.Y + p.size, p.position.Z));
particle_positions.Add(new Point3D(p.position.X + p.size, p.position.Y + p.size, p.position.Z));
particle_positions.Add(new Point3D(p.position.X + p.size, p.position.Y, p.position.Z));
// add texture co-ords points to texcoords collection
tex_coords.Add(new Point(0.0, 0.0));
tex_coords.Add(new Point(0.0, 1.0));
tex_coords.Add(new Point(1.0, 1.0));
tex_coords.Add(new Point(1.0, 0.0));
// add position indices to indices collection
triangle_indices.Add(position_index);
triangle_indices.Add(position_index + 2);
triangle_indices.Add(position_index + 1);
triangle_indices.Add(position_index);
triangle_indices.Add(position_index + 3);
triangle_indices.Add(position_index + 2);
// set particle_model Geometry model properties
rad_brush.GradientStops.Add(new GradientStop(p.colour, 0.0));
render_bitmap.Render(ellipse);
}
public void SpawnParticle(Point3D _pos, double _size)
{
p = new AggregateParticle {
position = _pos,
size = _size
};
}
/// <summary>
/// Spawns a new AggregateParticle with specified properties.
/// </summary>
/// <param name="_position">Position in 3D space of particle.</param>
/// <param name="_colour">Colour of particle.</param>
/// <param name="_size">Size of particle.</param>
public void SpawnParticle(Point3D _position, Color _colour, double _size)
{
AggregateParticle agg_particle = new AggregateParticle {
position = _position, colour = _colour, size = _size
};
// add agg_particle to particle_stack container
particle_stack.Push(agg_particle);
}
public void Update()
{
// get the most recently added particle
AggregateParticle p = particle_stack.Peek();
int position_index = particle_stack.Count * 4;
// create points according to particle co-ords
Point3D p1 = new Point3D(p.position.X, p.position.Y, p.position.Z);
Point3D p2 = new Point3D(p.position.X, p.position.Y + p.size, p.position.Z);
Point3D p3 = new Point3D(p.position.X + p.size, p.position.Y + p.size, p.position.Z);
Point3D p4 = new Point3D(p.position.X + p.size, p.position.Y, p.position.Z);
// add points to particle positions collection
particle_positions.Add(p1);
particle_positions.Add(p2);
particle_positions.Add(p3);
particle_positions.Add(p4);
// create points for texture co-ords
Point t1 = new Point(0.0, 0.0);
Point t2 = new Point(0.0, 1.0);
Point t3 = new Point(1.0, 1.0);
Point t4 = new Point(1.0, 0.0);
// add texture co-ords points to texcoords collection
tex_coords.Add(t1);
tex_coords.Add(t2);
tex_coords.Add(t3);
tex_coords.Add(t4);
// add position indices to indices collection
triangle_indices.Add(position_index);
triangle_indices.Add(position_index + 2);
triangle_indices.Add(position_index + 1);
triangle_indices.Add(position_index);
triangle_indices.Add(position_index + 3);
triangle_indices.Add(position_index + 2);
// set particle_model Geometry model properties
rad_brush.GradientStops.Add(new GradientStop(p.colour, 0.0));
render_bitmap.Render(ellipse);
((MeshGeometry3D)particle_model.Geometry).Positions = particle_positions;
((MeshGeometry3D)particle_model.Geometry).TriangleIndices = triangle_indices;
((MeshGeometry3D)particle_model.Geometry).TextureCoordinates = tex_coords;
}