|
public GetBoundaries ( ) : |
||
| Résultat | ||
public DNA Initialize(Random rand, TaskState task)
{
var dna = new DNA {
Shapes = new Shape[task.Shapes]
};
for (int s = 0; s < task.Shapes; s++)
{
var shape = new Shape {
Color = Color.FromArgb(StartingAlpha, Color.R, Color.G, Color.B),
Points = new PointF[task.Vertices]
};
int maxRadius = (int)Math.Round(Math.Min(task.ImageWidth, task.ImageHeight) * MaxRadiusRatio);
int radius = rand.Next(MinRadius, maxRadius);
var center = new Point(rand.Next(radius - MaxOverlap, task.ImageWidth - radius + MaxOverlap),
rand.Next(radius - MaxOverlap, task.ImageHeight - radius + MaxOverlap));
for (int v = 0; v < task.Vertices; v++)
{
double t = v * Math.PI * 2 * Revolutions / task.Vertices + Angle * Math.PI * 2 + Math.PI / task.Vertices;
shape.Points[v].X = (float)(center.X + Math.Cos(t) * radius);
shape.Points[v].Y = (float)(center.Y + Math.Sin(t) * radius);
}
if (shape.GetBoundaries().Width < 1 || shape.GetBoundaries().Height < 1)
{
continue;
}
dna.Shapes[s] = shape;
}
return(dna);
}
void ScaleShape(Random rand, Shape shape, TaskState task)
{
RectangleF rect = shape.GetBoundaries();
int maxOverlap = task.ProjectOptions.MaxOverlap;
int maxWidth = (int)(Math.Min(rect.X, task.ImageWidth - rect.Right) + rect.Width) + maxOverlap * 2;
int maxHeight = (int)(Math.Min(rect.Y, task.ImageHeight - rect.Bottom) + rect.Height) + maxOverlap * 2;
double newWidthRatio = rand.Next(3, maxWidth + 1) / rect.Width;
double newHeightRatio = rand.Next(3, maxHeight + 1) / rect.Height;
if (PreserveAspectRatio)
{
newWidthRatio = Math.Min(newWidthRatio, newHeightRatio);
newHeightRatio = newWidthRatio;
}
PointF rectCenter = new PointF {
X = rect.X + rect.Width / 2f,
Y = rect.Y + rect.Height / 2f
};
for (int i = 0; i < shape.Points.Length; i++)
{
shape.Points[i].X = (float)(rectCenter.X + (shape.Points[i].X - rectCenter.X) * newWidthRatio);
shape.Points[i].Y = (float)(rectCenter.Y + (shape.Points[i].Y - rectCenter.Y) * newHeightRatio);
}
}
static void MoveShape(Random rand, Shape shape, TaskState task)
{
RectangleF rect = shape.GetBoundaries();
int maxOverlap = task.ProjectOptions.MaxOverlap;
PointF delta = new PointF {
X = rand.NextFloat(-rect.X - maxOverlap, task.ImageWidth - rect.Right + maxOverlap),
Y = rand.NextFloat(-rect.Y - maxOverlap, task.ImageHeight - rect.Bottom + maxOverlap)
};
for (int i = 0; i < shape.Points.Length; i++)
{
shape.Points[i].X += delta.X;
shape.Points[i].Y += delta.Y;
}
}
void RotateShape(Random rand, Shape shape)
{
RectangleF rect = shape.GetBoundaries();
PointF rectCenter = new PointF {
X = rect.X + rect.Width / 2,
Y = rect.Y + rect.Height / 2
};
double rotation = rand.NextDouble() * Math.PI * 2 * (MaxPosDelta / 180);
for (int i = 0; i < shape.Points.Length; i++)
{
float alignedX = shape.Points[i].X - rectCenter.X;
float alignedY = shape.Points[i].Y - rectCenter.Y;
shape.Points[i].X =
(float)(rectCenter.X + alignedX * Math.Cos(rotation) - alignedY * Math.Sin(rotation));
shape.Points[i].Y =
(float)(rectCenter.Y + alignedX * Math.Sin(rotation) + alignedY * Math.Cos(rotation));
}
}
void ScaleShape( Random rand, Shape shape, TaskState task )
{
RectangleF rect = shape.GetBoundaries();
int maxOverlap = task.ProjectOptions.MaxOverlap;
int maxWidth = (int)( Math.Min( rect.X, task.ImageWidth - rect.Right ) + rect.Width ) + maxOverlap * 2;
int maxHeight = (int)( Math.Min( rect.Y, task.ImageHeight - rect.Bottom ) + rect.Height ) + maxOverlap * 2;
double newWidthRatio = rand.Next( 3, maxWidth + 1 ) / rect.Width;
double newHeightRatio = rand.Next( 3, maxHeight + 1 ) / rect.Height;
if( PreserveAspectRatio ) {
newWidthRatio = Math.Min( newWidthRatio, newHeightRatio );
newHeightRatio = newWidthRatio;
}
PointF rectCenter = new PointF {
X = rect.X + rect.Width / 2f,
Y = rect.Y + rect.Height / 2f
};
for( int i = 0; i < shape.Points.Length; i++ ) {
shape.Points[i].X = (float)( rectCenter.X + ( shape.Points[i].X - rectCenter.X ) * newWidthRatio );
shape.Points[i].Y = (float)( rectCenter.Y + ( shape.Points[i].Y - rectCenter.Y ) * newHeightRatio );
}
}
static void RotateShape( Random rand, Shape shape )
{
RectangleF rect = shape.GetBoundaries();
PointF rectCenter = new PointF {
X = rect.X + rect.Width / 2,
Y = rect.Y + rect.Height / 2
};
double rotation = rand.NextDouble() * Math.PI * 2;
for( int i = 0; i < shape.Points.Length; i++ ) {
float alignedX = shape.Points[i].X - rectCenter.X;
float alignedY = shape.Points[i].Y - rectCenter.Y;
shape.Points[i].X =
(float)( rectCenter.X + alignedX * Math.Cos( rotation ) - alignedY * Math.Sin( rotation ) );
shape.Points[i].Y =
(float)( rectCenter.Y + alignedX * Math.Sin( rotation ) + alignedY * Math.Cos( rotation ) );
}
}
static void MoveShape( Random rand, Shape shape, TaskState task )
{
RectangleF rect = shape.GetBoundaries();
int maxOverlap = task.ProjectOptions.MaxOverlap;
PointF delta = new PointF {
X = rand.NextFloat( -rect.X - maxOverlap, task.ImageWidth - rect.Right + maxOverlap ),
Y = rand.NextFloat( -rect.Y - maxOverlap, task.ImageHeight - rect.Bottom + maxOverlap )
};
for( int i = 0; i < shape.Points.Length; i++ ) {
shape.Points[i].X += delta.X;
shape.Points[i].Y += delta.Y;
}
}
public DNA Initialize(Random rand, TaskState task)
{
var dna = new DNA {
Shapes = new Shape[task.Shapes]
};
for (int s = 0; s < task.Shapes; s++) {
var shape = new Shape {
Color = Color.FromArgb(StartingAlpha, Color.R, Color.G, Color.B),
Points = new PointF[task.Vertices]
};
int maxRadius = (int)Math.Round(Math.Min(task.ImageWidth, task.ImageHeight)*MaxRadiusRatio);
int radius = rand.Next(MinRadius, maxRadius);
var center = new Point(rand.Next(radius - MaxOverlap, task.ImageWidth - radius + MaxOverlap),
rand.Next(radius - MaxOverlap, task.ImageHeight - radius + MaxOverlap));
for (int v = 0; v < task.Vertices; v++) {
double t = v*Math.PI*2*Revolutions/task.Vertices + Angle*Math.PI*2 + Math.PI/task.Vertices;
shape.Points[v].X = (float)(center.X + Math.Cos(t)*radius);
shape.Points[v].Y = (float)(center.Y + Math.Sin(t)*radius);
}
if (shape.GetBoundaries().Width < 1 || shape.GetBoundaries().Height < 1) {
continue;
}
dna.Shapes[s] = shape;
}
return dna;
}
