protected override void NextQuad(ref SgtStarfieldStar star, int starIndex)
{
var x = Random.Range(-1.0f, 1.0f);
var y = Random.Range(-1.0f, 1.0f);
var z = Random.Range(Offset, 1.0f);
var position = default(Vector3);
if (Random.value >= 0.5f)
{
z = -z;
}
switch (Random.Range(0, 3))
{
case 0: position = new Vector3(z, x, y); break;
case 1: position = new Vector3(x, z, y); break;
case 2: position = new Vector3(x, y, z); break;
}
star.Variant = Random.Range(int.MinValue, int.MaxValue);
star.Color = StarColors.Evaluate(Random.value);
star.Radius = Mathf.Lerp(StarRadiusMin, StarRadiusMax, SgtHelper.Sharpness(Random.value, StarRadiusBias));
star.Angle = Random.Range(-180.0f, 180.0f);
star.Position = Vector3.Scale(position, Extents);
star.PulseRange = Random.value * StarPulseMax;
star.PulseSpeed = Random.value;
star.PulseOffset = Random.value;
}
protected override void NextQuad(ref SgtStarfieldStar quad, int starIndex)
{
for (var i = Samples - 1; i >= 0; i--)
{
var sampleX = Random.Range(0.0f, 1.0f);
var sampleY = Random.Range(0.0f, 1.0f);
var pixel = sourceTex2D.GetPixelBilinear(sampleX, sampleY);
var gray = pixel.grayscale;
if (gray > Threshold || i == 0)
{
var position = -halfSize + Random.insideUnitSphere * Jitter * StarRadiusMax;
position.x += Size.x * sampleX;
position.y += Size.y * GetWeight(HeightSource, pixel, 0.5f);
position.z += Size.z * sampleY;
quad.Variant = Random.Range(int.MinValue, int.MaxValue);
quad.Color = pixel;
quad.Radius = Mathf.Lerp(StarRadiusMin, StarRadiusMax, Mathf.Pow(Random.value, StarRadiusBias)) * GetWeight(ScaleSource, pixel, 1.0f);
quad.Angle = Random.Range(-180.0f, 180.0f);
quad.Position = position;
quad.PulseRange = Random.value * StarPulseMax;
quad.PulseSpeed = Random.value;
quad.PulseOffset = Random.value;
return;
}
}
}
protected override void NextQuad(ref SgtStarfieldStar star, int starIndex)
{
for (var i = samples - 1; i >= 0; i--)
{
var sampleX = Random.Range(0.0f, 1.0f);
var sampleY = Random.Range(0.0f, 1.0f);
var pixel = sourceTex2D.GetPixelBilinear(sampleX, sampleY);
var gray = pixel.grayscale;
if (gray > threshold || i == 0)
{
var position = -halfSize + Random.insideUnitSphere * jitter * starRadiusMax;
position.x += size.x * sampleX;
position.y += size.y * GetWeight(heightSource, pixel, 0.5f);
position.z += size.z * sampleY;
star.Variant = Random.Range(int.MinValue, int.MaxValue);
star.Color = starColors.Evaluate(Random.value) * Color.LerpUnclamped(Color.white, GetBoosted(pixel), starTint);
star.Radius = Mathf.Lerp(starRadiusMin, starRadiusMax, Mathf.Pow(Random.value, starRadiusBias)) * GetWeight(scaleSource, pixel, 1.0f);
star.Angle = Random.Range(-180.0f, 180.0f);
star.Position = position;
star.PulseRange = Random.value * starPulseMax;
star.PulseSpeed = Random.value;
star.PulseOffset = Random.value;
return;
}
}
}
public void CopyFrom(SgtStarfieldStar other)
{
Variant = other.Variant;
Color = other.Color;
Radius = other.Radius;
Angle = other.Angle;
Position = other.Position;
PulseSpeed = other.PulseSpeed;
PulseRange = other.PulseRange;
PulseOffset = other.PulseOffset;
}
protected override void NextQuad(ref SgtStarfieldStar star, int starIndex)
{
var x = Random.Range(Size.x * -0.5f, Size.x * 0.5f);
var y = Random.Range(Size.y * -0.5f, Size.y * 0.5f);
var z = Random.Range(Size.z * -0.5f, Size.z * 0.5f);
star.Variant = Random.Range(int.MinValue, int.MaxValue);
star.Color = StarColors.Evaluate(Random.value);
star.Radius = Mathf.Lerp(StarRadiusMin, StarRadiusMax, Mathf.Pow(Random.value, StarRadiusBias));
star.Angle = Random.Range(-180.0f, 180.0f);
star.Position = new Vector3(x, y, z);
star.PulseRange = Random.value * StarPulseMax;
star.PulseSpeed = Random.value;
star.PulseOffset = Random.value;
}
protected override void NextQuad(ref SgtStarfieldStar star, int starIndex)
{
var sphere = Random.insideUnitSphere;
sphere.y = Mathf.Abs(sphere.y) * bias;
star.Variant = Random.Range(int.MinValue, int.MaxValue);
star.Color = starColors.Evaluate(Random.value);
star.Radius = Mathf.Lerp(starRadiusMin, starRadiusMax, SgtHelper.Sharpness(Random.value, starRadiusBias));
star.Angle = Random.Range(-180.0f, 180.0f);
star.Position = sphere.normalized * radius;
star.PulseRange = Random.value * starPulseMax;
star.PulseSpeed = Random.value;
star.PulseOffset = Random.value;
}
protected override void NextQuad(ref SgtStarfieldStar star, int starIndex)
{
var position = Random.insideUnitSphere;
var magnitude = Mathf.Lerp(Offset * Radius, Radius, SgtHelper.Sharpness(Random.value, Bias));
position.y *= Symmetry;
star.Variant = Random.Range(int.MinValue, int.MaxValue);
star.Color = StarColors.Evaluate(Random.value);
star.Radius = Mathf.Lerp(StarRadiusMin, StarRadiusMax, SgtHelper.Sharpness(Random.value, StarRadiusBias));
star.Angle = Random.Range(-180.0f, 180.0f);
star.Position = position.normalized * magnitude;
star.PulseRange = Random.value * StarPulseMax;
star.PulseSpeed = Random.value;
star.PulseOffset = Random.value;
}
protected override void NextQuad(ref SgtStarfieldStar star, int starIndex)
{
var magnitude = Random.value;
var position = Random.insideUnitSphere * Mathf.Lerp(ThicknessInner, ThicknessOuter, magnitude);
position *= Mathf.Pow(2.0f, Random.value * ThicknessPower);
position += Quaternion.AngleAxis(starIndex * armStep + magnitude * twistStep, Vector3.up) * Vector3.forward * magnitude;
star.Variant = Random.Range(int.MinValue, int.MaxValue);
star.Color = StarColors.Evaluate(Random.value);
star.Radius = Mathf.Lerp(StarRadiusMin, StarRadiusMax, SgtHelper.Sharpness(Random.value, StarRadiusBias));
star.Angle = Random.Range(-180.0f, 180.0f);
star.Position = position * Radius;
star.PulseRange = Random.value * StarPulseMax;
star.PulseSpeed = Random.value;
star.PulseOffset = Random.value;
}
protected abstract void NextQuad(ref SgtStarfieldStar quad, int starIndex);
protected override void NextQuad(ref SgtStarfieldStar quad, int starIndex)
{
quad.CopyFrom(Stars[starIndex]);
}