private void SetupCircles()
{
int maxLines = 500000;
fLines = new DynamicPrimitiveLine(fSpriteBatch.GraphicsDevice);
bool first = true;
while (fLines.Lines < maxLines)
{
//int w = Game.GraphicsDevice.Viewport.Width;
//int h = Game.GraphicsDevice.Viewport.Height;
float x = (float)(1500.0f * (fRandom.NextDouble() - 0.5f));
float y = (float)(1500.0f * (fRandom.NextDouble() - 0.5f));
int radius = fRandom.Next(400) + 10;
int segments = 50;
byte r = (byte)fRandom.Next(256);
byte g = (byte)fRandom.Next(256);
byte b = (byte)fRandom.Next(256);
byte a = 255;
if (first)
{
x = 0;
y = 0;
radius = 500;
r = 255;
g = 255;
b = 255;
first = false;
}
while (fLines.Lines < maxLines && radius > 20)
{
Color color = new Color(r, g, b, a);
fLines.AddCircle(x, y, 0, radius, segments, color);
radius--;
x++;
if (r > 3)
{
r -= 3;
}
if (g > 3)
{
g -= 3;
}
if (b > 3)
{
b -= 3;
}
}
}
}
private void InitLines()
{
fLinesChanged = false;
fLines = new DynamicPrimitiveLine(fSpriteBatch.GraphicsDevice);
int maxLines = 1000000;
float rStep = 0.3f;
int segments = 500;
if (!fManyLines)
{
maxLines = 20000;
rStep = 30.0f;
}
float radius1 = 0;
Color color1a = GetRandomColor();
Color color1b = GetRandomColor();
Color color2a = GetRandomColor();
Color color2b = GetRandomColor();
int colorStep = 0;
while (fLines.Lines < maxLines)
{
Color colorA = GetColor(color1a, color2a, colorStep / 100.0f);
Color colorB = GetColor(color1b, color2b, colorStep / 100.0f);
float radius2 = radius1 + rStep;
fLines.AddCircle(0, 0, 0, radius1, radius2, segments, colorA, colorB);
colorStep++;
if (colorStep > 100)
{
color1a = color2a;
color1b = color2b;
color2a = GetRandomColor();
color2b = GetRandomColor();
colorStep = 0;
}
radius1 = radius2;
}
}
private void UpdateScale()
{
InitializeTransform();
InitializeEffect();
if (fSpriteBatch == null)
{
return;
}
int maxLines = 1000000;
fLines = new DynamicPrimitiveLine(fSpriteBatch.GraphicsDevice);
CircleData circleTo = CreateRandomCircle();
CircleData circleFrom = null;
int currentStep = 0;
int maxSteps = 0;
while (fLines.Lines < maxLines)
{
CircleData currentCircle;
currentStep++;
if (currentStep >= maxSteps)
{
circleFrom = circleTo;
circleTo = CreateRandomCircle();
currentStep = 0;
maxSteps = fRandom.Next(200) + 1;
currentCircle = circleFrom;
}
else
{
float f = Convert.ToSingle(currentStep) / maxSteps;
currentCircle = CalculateAverageCircle(circleFrom, circleTo, f);
}
Color c1 = new Color(currentCircle.R1, currentCircle.G1, currentCircle.B1, (byte)255);
Color c2 = new Color(currentCircle.R2, currentCircle.G2, currentCircle.B2, (byte)255);
fLines.AddCircle(currentCircle.X, currentCircle.Y, 0,
currentCircle.Radius, currentCircle.Radius,
currentCircle.Segments, c1, c2);
}
}
/// <summary>
/// Initializes the lines
/// </summary>
private void InitializeLines()
{
fLines = new DynamicPrimitiveLine(GraphicsDevice);
for (int i = 0; i < 256; i++)
{
fLines.AddCircle(TARGET_WIDTH / 2, TARGET_HEIGHT / 2, 0, i / 5.0f, 50, new Color(i, 255 - i, 255 - i, 255));
}
for (int i = 0; i < 5; i++)
{
Color color = new Color(255 - i * 25, 0, 0, 255);
fLines.AddLine(
new VertexPositionColor(new Vector3(i, i, 0), color),
new VertexPositionColor(new Vector3(TARGET_WIDTH - i - 1, i, 0), color));
fLines.AddLine(
new VertexPositionColor(new Vector3(TARGET_WIDTH - i - 1, i, 0), color),
new VertexPositionColor(new Vector3(TARGET_WIDTH - i - 1, TARGET_HEIGHT - i - 1, 0), color));
fLines.AddLine(
new VertexPositionColor(new Vector3(TARGET_WIDTH - i - 1, TARGET_HEIGHT - i - 1, 0), color),
new VertexPositionColor(new Vector3(i, TARGET_HEIGHT - i - 1, 0), color));
fLines.AddLine(
new VertexPositionColor(new Vector3(i, TARGET_HEIGHT - i - 1, 0), color),
new VertexPositionColor(new Vector3(i, i, 0), color));
}
}