本文整理汇总了C#中System.Random.NextFloat方法的典型用法代码示例。如果您正苦于以下问题：C# Random.NextFloat方法的具体用法？C# Random.NextFloat怎么用？C# Random.NextFloat使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Random的用法示例。
在下文中一共展示了Random.NextFloat方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: StratifiedSample4D
public static void StratifiedSample4D( float[] samples,
int offset, int nx, int ny, int nu, int nv,
bool jitter, Random random )
{
float dx = 1.0f / nx;
float dy = 1.0f / ny;
float du = 1.0f / nu;
float dv = 1.0f / nv;
int k = offset;
for( int v = 0; v < nv; ++v )
{
for( int u = 0; u < nu; ++u )
{
for( int y = 0; y < ny; ++y )
{
for( int x = 0; x < nx; ++x )
{
float jx = jitter ? random.NextFloat() : 0.5f;
float jy = jitter ? random.NextFloat() : 0.5f;
float ju = jitter ? random.NextFloat() : 0.5f;
float jv = jitter ? random.NextFloat() : 0.5f;
samples[ k ] = ( x + jx ) * dx;
samples[ k + 1 ] = ( y + jy ) * dy;
samples[ k + 2 ] = ( u + ju ) * du;
samples[ k + 3 ] = ( v + jv ) * dv;
k += 4;
}
}
}
}
}示例2: Plant
public Plant(int id, Random random)
{
Id = id;
X = random.NextFloat(0, 300f);
Z = random.NextFloat(0, 300f);
Species = AvailableSpecies[random.Next(0, AvailableSpecies.Length)];
}示例3: AIKart
public AIKart(int kartNum, Level level, byte[][,] weight)
{
rand = new Random(kartNum);
Level = level;
Weight = weight;
position = new Vector3(rand.NextFloat(-10, 11), rand.NextFloat(-10, 11), rand.NextFloat(-10, 11));
}示例4: NebulaParameters
public NebulaParameters(Random rng)
{
Color = rng.NextRandomColor();
Offset = new Vector2(rng.Next(-1000, 1000), rng.Next(-1000, 1000));
Falloff = rng.NextFloat(3, 6);
Intensity = (float)(rng.NextDouble() * 0.2 + 1.0);
Scale = rng.NextFloat(0.01f, 4f);
}示例5: Animal
public Animal(int id, Random random)
{
Id = id;
X = random.NextFloat(0, 300f);
Z = random.NextFloat(0, 300f);
Species = AvailableSpecies[random.Next(0, AvailableSpecies.Length)];
Name = $"{Species} {Id}";
}示例6: PointerData
public PointerData(SharpDX.Direct2D1.DeviceContext context, uint id, PointerDeviceType type, Point p)
{
this.PointerId = id;
this.DeviceType = type;
this.Pointers = new List<Point>();
this.Pointers.Add(p);
Random rnd = new Random();
// Colors of lines. presents in RGBA (a random value between 0.5 ~ 1.0)
color = new Color4(rnd.NextFloat(0.5f, 1), rnd.NextFloat(0.5f, 1), rnd.NextFloat(0.5f, 1), 1);
}示例7: generate_input_file_content
public static string[] generate_input_file_content(int seed)
{
string[] data = new string[2];
Random rand = new Random(seed);
string operation = rand.Next(0, 4).ToString();
string num0 = rand.NextFloat().ToString();
string num1 = rand.NextFloat().ToString();
data[0] = operation;
data[1] = num0 + " " + num1;
return data;
}示例8: FloorTest
public void FloorTest()
{
const int max = 1000;
var r = new Random(102);
for (var i = 0; i < 30; i++)
{
var v = new Vector2(r.NextFloat() * max, r.NextFloat() * max);
var c = v.Floor();
Assert.AreEqual(Math.Floor(v.X), c.X);
Assert.AreEqual(Math.Floor(v.Y), c.Y);
}
}示例9: CeilingTest
public void CeilingTest()
{
const int max = 1000;
var r = new Random(987);
for (var i = 0; i < 30; i++)
{
var v = new Vector2(r.NextFloat() * max, r.NextFloat() * max);
var c = v.Ceiling();
Assert.AreEqual(Math.Ceiling(v.X), c.X);
Assert.AreEqual(Math.Ceiling(v.Y), c.Y);
}
}示例10: ResultContentTest
public void ResultContentTest()
{
List<float> data = new List<float>();
Random rand = new Random();
data.Add(rand.NextFloat());
data.Add(rand.NextFloat());
string[] time = new string[2];
time[0] = "00:00:02";
time[1] = "00:00:02";
Writer.create_result_file(ContentGenerator.generate_result_file_content(data,time));
string[] testdata = File.ReadAllLines(Path.Combine(Directory.GetCurrentDirectory(), "Data//Result//Result.dat"));
for (int i = 0; i < testdata.Length; i++)
{
Debug.WriteLine(testdata[i]);
}
Assert.IsTrue(testdata.Length == 6);
}示例11: Initialize
public DNA Initialize( Random rand, TaskState task )
{
DNA dna = new DNA {
Shapes = new Shape[task.Shapes]
};
int shapesPerSegment = task.Shapes / 9;
int shapeCounter = 0;
for( int i = 0; i < task.Shapes - shapesPerSegment * 9; i++ ) {
Shape shape = new Shape {
Color = Color.FromArgb( StartingAlpha, Color.R, Color.G, Color.B ),
Points = new PointF[task.Vertices]
};
for( int j = 0; j < shape.Points.Length; j++ ) {
shape.Points[j] = new PointF( rand.NextFloat( -MaxOverlap, task.ImageWidth + MaxOverlap ),
rand.NextFloat( -MaxOverlap, task.ImageHeight + MaxOverlap ) );
}
dna.Shapes[i] = shape;
shapeCounter++;
}
for( int x = 0; x < 3; x++ ) {
for( int y = 0; y < 3; y++ ) {
for( int i = 0; i < shapesPerSegment; i++ ) {
Shape shape = new Shape {
Color = Color.FromArgb( StartingAlpha, Color.R, Color.G, Color.B ),
Points = new PointF[task.Vertices]
};
for( int j = 0; j < shape.Points.Length; j++ ) {
shape.Points[j] =
new PointF(
rand.NextFloat( task.ImageWidth / 3f * x - MaxOverlap,
task.ImageWidth / 3f * ( x + 1 ) + MaxOverlap ),
rand.NextFloat( task.ImageHeight / 3f * y - MaxOverlap,
task.ImageHeight / 3f * ( y + 1 ) + MaxOverlap ) );
}
dna.Shapes[shapeCounter] = shape;
shapeCounter++;
}
}
}
return dna;
}示例12: GenerateHomePositions
public static void GenerateHomePositions(int n)
{
Random rand = new Random();
bool passed = false;
Vector2 randPosition = new Vector2(0, 0);
int i = 0;
foreach(Team team in TeamManager.teams)
{
passed = false;
while (!passed)
{
randPosition = new Vector2(rand.NextFloat(LevelSpawner.BorderMargin.X + radius, GameRoot.ScreenSize.X - LevelSpawner.BorderMargin.X - 2 * radius), rand.NextFloat(LevelSpawner.BorderMargin.Y + radius, GameRoot.ScreenSize.Y - LevelSpawner.BorderMargin.Y - 2 * radius));
if (i == 0)
{
float distance = Vector2.DistanceSquared(randPosition, GameRoot.ScreenSize * 0.5f);
if(distance < (0.5f * GameRoot.ScreenSize.Y * 0.5f * GameRoot.ScreenSize.Y))
passed = false;
else
passed = true;
}
else
{
for (int j = 0; j < i; j++)
{
float distance = Vector2.DistanceSquared(randPosition, TeamManager.teams[j].homePlanet.Position);
if (distance < (1.5f * GameRoot.ScreenSize.X / n) * (1.5f * GameRoot.ScreenSize.X / n))
{
passed = false;
break;
}
else
passed = true;
}
}
}
team.homePlanet = new Planet(randPosition, team.Color, 1.0f, i, team);
team.planetsColonized.Add(team.homePlanet);
i++;
}
}示例13: MutateShape
static void MutateShape( Random rand, DNA dna, Shape shape, TaskState task )
{
int maxOverlap = task.ProjectOptions.MaxOverlap;
shape.PreviousState = shape.Clone() as Shape;
switch( rand.Next( 9 ) ) {
case 0:
shape.Color = Color.FromArgb( (byte)rand.Next( task.ProjectOptions.MinAlpha, 256 ), shape.Color.R,
shape.Color.G, shape.Color.B );
dna.LastMutation = MutationType.ReplaceColor;
break;
case 1:
shape.Color = Color.FromArgb( shape.Color.A, (byte)rand.Next( 256 ), shape.Color.G, shape.Color.B );
dna.LastMutation = MutationType.ReplaceColor;
break;
case 2:
shape.Color = Color.FromArgb( shape.Color.A, shape.Color.R, (byte)rand.Next( 256 ), shape.Color.B );
dna.LastMutation = MutationType.ReplaceColor;
break;
case 3:
shape.Color = Color.FromArgb( shape.Color.A, shape.Color.R, shape.Color.G, (byte)rand.Next( 256 ) );
dna.LastMutation = MutationType.ReplaceColor;
break;
case 4:
case 5:
shape.Points[rand.Next( shape.Points.Length )].X = rand.NextFloat( -maxOverlap,
task.ImageWidth + maxOverlap );
dna.LastMutation = MutationType.ReplacePoint;
break;
case 6:
case 7:
shape.Points[rand.Next( shape.Points.Length )].Y = rand.NextFloat( -maxOverlap,
task.ImageHeight + maxOverlap );
dna.LastMutation = MutationType.ReplacePoint;
break;
case 8:
shape.Points[rand.Next( shape.Points.Length )].X = rand.NextFloat( -maxOverlap,
task.ImageWidth + maxOverlap );
shape.Points[rand.Next( shape.Points.Length )].Y = rand.NextFloat( -maxOverlap,
task.ImageHeight + maxOverlap );
dna.LastMutation = MutationType.ReplacePoints;
break;
}
}示例14: Box
public Box(int _screenW, int _screenH, Random _rndRandom)
: base()
{
screenW = _screenW;
screenH = _screenH;
rnd = _rndRandom;
x = randomBetween(0, screenW);
y = randomBetween(0, screenH);
width = randomBetween(10, 50);
height = randomBetween(10, 50);
speed = randomBetween(50, 250);
dirX = rnd.NextFloat() < 0.5d ? -1 : 1;
dirY = rnd.NextFloat() < 0.5d ? -1 : 1;
aabb = new AABB();
updateAABB();
}示例15: StratifiedSample1D
/// <summary>
/// Given nx strata in [0,1],
/// Place a sample in each one,
/// starting from samples[ offset ]
/// and ending at samples[ offset + nx - 1 ]
/// </summary>
/// <param name="samples"></param>
/// <param name="jitter"></param>
public static void StratifiedSample1D( float[] samples,
int offset, int nx,
bool jitter, Random random )
{
float invTot = 1.0f / nx;
for( int i = 0; i < nx; ++i )
{
float j = jitter ? random.NextFloat() : 0.5f;
samples[ offset + i ] = ( i + j ) * invTot;
}
}