private void WritePixel(float u, int x)
{
var fade = SgtHelper.Saturate(SgtEase.Evaluate(ease, SgtHelper.Sharpness(u, sharpness)));
var color = new Color(fade, fade, fade, fade);
generatedTexture.SetPixel(x, 0, color);
}
private void WritePixel(float u, int x)
{
var e = SgtEase.Evaluate(Ease, SgtHelper.Sharpness(u, Sharpness));
var color = new Color(1.0f, 1.0f, 1.0f, e);
generatedTexture.SetPixel(x, 0, color);
}
private void WritePixel(float u, float v, int x, int y)
{
var noise = u * NoisePoints;
var noiseIndex = (int)noise;
var noiseFrac = noise % 1.0f;
var noiseA = noisePoints[(noiseIndex + 0) % NoisePoints];
var noiseB = noisePoints[(noiseIndex + 1) % NoisePoints];
var noiseC = noisePoints[(noiseIndex + 2) % NoisePoints];
var noiseD = noisePoints[(noiseIndex + 3) % NoisePoints];
var color = MiddleColor;
if (v < MiddlePoint)
{
color.a = SgtEase.Evaluate(BottomEase, SgtHelper.Sharpness(Mathf.InverseLerp(0.0f, MiddlePoint, v), BottomSharpness));
}
else
{
color.a = SgtEase.Evaluate(TopEase, SgtHelper.Sharpness(Mathf.InverseLerp(1.0f, MiddlePoint, v), TopSharpness));
}
var middle = SgtEase.Evaluate(MiddleEase, SgtHelper.Sharpness(1.0f - v, MiddleSharpness));
color.a *= SgtHelper.HermiteInterpolate(noiseA, noiseB, noiseC, noiseD, noiseFrac);
color.r *= middle * color.a;
color.g *= middle * color.a;
color.b *= middle * color.a;
color.a *= 1.0f - middle;
generatedTexture.SetPixel(x, y, color);
}
private float GetSky(Camera camera)
{
if (Lit == true && Night == true)
{
var mask = 1 << gameObject.layer;
var lights = SgtLight.Find(Lit, mask);
var lighting = 0.0f;
var cameraDirection = (camera.transform.position - transform.position).normalized;
for (var i = 0; i < lights.Count && i < 2; i++)
{
var light = lights[i];
var position = default(Vector3);
var direction = default(Vector3);
var color = default(Color);
SgtLight.Calculate(light, transform.position, null, null, ref position, ref direction, ref color);
var dot = Vector3.Dot(direction, cameraDirection) * 0.5f + 0.5f;
var night01 = Mathf.InverseLerp(NightEnd, NightStart, dot);
var night = SgtEase.Evaluate(NightEase, 1.0f - Mathf.Pow(night01, NightPower));
if (night > lighting)
{
lighting = night;
}
}
return(Mathf.Lerp(NightSky, Sky, lighting));
}
return(Sky);
}
private void WritePixel(float u, int x)
{
var fade = SgtHelper.Saturate(SgtEase.Evaluate(ease, SgtHelper.Sharpness(Mathf.InverseLerp(offset, 1.0f, u), sharpness)));
var color = new Color(fade, fade, fade, fade);
generatedTexture.SetPixel(x, 0, color);
}
public override float GetDensity(Vector3 worldPoint)
{
var distance = transform.InverseTransformPoint(worldPoint).magnitude;
var distance01 = Mathf.InverseLerp(RadiusOuter, RadiusInner, distance);
return(SgtHelper.Sharpness(SgtEase.Evaluate(ease, distance01), sharpness));
}
public override float GetDensity(Vector3 worldPoint)
{
var localPoint = transform.InverseTransformPoint(worldPoint);
var distance = localPoint.magnitude;
var distance01 = Mathf.InverseLerp(Radius, 0.0f, distance);
return(SgtHelper.Sharpness(SgtEase.Evaluate(Ease, distance01), Sharpness));
}
private void WritePixel(float u, int x)
{
var rim = SgtEase.Evaluate(rimEase, Mathf.Pow(1.0f - u, rimPower));
var color = Color.Lerp(Color.white, rimColor, rim * rimColor.a);
color.a = 1.0f - Mathf.Pow(1.0f - Mathf.Pow(u, alphaFade), alphaDensity);
generatedTexture.SetPixel(x, 0, SgtHelper.Saturate(color));
}
private void WritePixel(float u, int x)
{
var rim = 1.0f - SgtEase.Evaluate(RimEase, 1.0f - Mathf.Pow(1.0f - u, RimPower));
var color = Color.Lerp(Color.white, RimColor, rim * RimColor.a);
color.a = 1.0f - Mathf.Pow(1.0f - Mathf.Pow(u, AlphaFade), AlphaDensity);
generatedTexture.SetPixel(x, 0, color);
}
public override float GetDensity(Vector3 worldPoint)
{
var localPoint = transform.InverseTransformPoint(worldPoint);
var distanceXZ = Mathf.Sqrt(localPoint.x * localPoint.x + localPoint.z * localPoint.z) - Radius;
var distanceY = localPoint.y;
var distance = Mathf.Sqrt(distanceXZ * distanceXZ + distanceY * distanceY);
var distance01 = Mathf.InverseLerp(Thickness, 0.0f, distance);
return(SgtHelper.Sharpness(SgtEase.Evaluate(Ease, distance01), Sharpness));
}
private void WritePixel(Texture2D texture2D, float u, int x, Color baseColor, SgtEase.Type ease, float colorSharpness, float alphaSharpness)
{
var colorU = SgtHelper.Sharpness(u, colorSharpness); colorU = SgtEase.Evaluate(ease, colorU);
var alphaU = SgtHelper.Sharpness(u, alphaSharpness); alphaU = SgtEase.Evaluate(ease, alphaU);
var color = Color.Lerp(baseColor, HorizonColor, colorU);
color.a = alphaU;
texture2D.SetPixel(x, 0, color);
}
public override float GetDensity(Vector3 worldPoint)
{
var localPoint = transform.InverseTransformPoint(worldPoint);
var distanceX = Mathf.InverseLerp(Extents.x, 0.0f, Mathf.Abs(localPoint.x));
var distanceY = Mathf.InverseLerp(Extents.y, 0.0f, Mathf.Abs(localPoint.y));
var distanceZ = Mathf.InverseLerp(Extents.z, 0.0f, Mathf.Abs(localPoint.z));
var distance01 = Mathf.Min(distanceX, Mathf.Min(distanceY, distanceZ));
return(SgtHelper.Sharpness(SgtEase.Evaluate(Ease, distance01), Sharpness));
}
private void WritePixel(float u, int x)
{
var color = Color.white;
color.r *= 1.0f - SgtEase.Evaluate(Ease, SgtHelper.Sharpness(u, SharpnessR));
color.g *= 1.0f - SgtEase.Evaluate(Ease, SgtHelper.Sharpness(u, SharpnessG));
color.b *= 1.0f - SgtEase.Evaluate(Ease, SgtHelper.Sharpness(u, SharpnessB));
color.a = color.grayscale;
generatedTexture.SetPixel(x, 0, color);
}
private void WritePixel(float u, int x)
{
var sunsetU = Mathf.InverseLerp(SunsetEnd, SunsetStart, u);
var color = default(Color);
color.r = SgtEase.Evaluate(SunsetEase, 1.0f - SgtHelper.Sharpness(sunsetU, SunsetSharpnessR));
color.g = SgtEase.Evaluate(SunsetEase, 1.0f - SgtHelper.Sharpness(sunsetU, SunsetSharpnessG));
color.b = SgtEase.Evaluate(SunsetEase, 1.0f - SgtHelper.Sharpness(sunsetU, SunsetSharpnessB));
color.a = 0.0f;
generatedTexture.SetPixel(x, 0, color);
}
private void WritePixel(float u, float v, int x, int y)
{
var ray = Mathf.Abs(v * 2.0f - 1.0f); ray = rayleigh * ray * ray;
var mie = Mathf.Pow(v, this.mie);
var scattering = ray + mie * (1.0f - ray);
var sunsetU = Mathf.InverseLerp(sunsetEnd, sunsetStart, u);
var color = default(Color);
color.r = 1.0f - SgtEase.Evaluate(sunsetEase, SgtHelper.Sharpness(sunsetU, sunsetSharpnessR));
color.g = 1.0f - SgtEase.Evaluate(sunsetEase, SgtHelper.Sharpness(sunsetU, sunsetSharpnessG));
color.b = 1.0f - SgtEase.Evaluate(sunsetEase, SgtHelper.Sharpness(sunsetU, sunsetSharpnessB));
color.a = (color.r + color.g + color.b) / 3.0f;
generatedTexture.SetPixel(x, y, SgtHelper.Saturate(color * scattering));
}
private void WritePixel(Texture2D texture2D, float u, int x, Color baseColor, SgtEase.Type ease, float colorSharpness, float alphaSharpness)
{
var colorU = SgtHelper.Sharpness(u, colorSharpness); colorU = SgtEase.Evaluate(ease, colorU);
var alphaU = SgtHelper.Sharpness(u, alphaSharpness); alphaU = SgtEase.Evaluate(ease, alphaU);
var color = Color.Lerp(baseColor, horizonColor, colorU);
color.a = alphaU;
color.r = Mathf.Clamp01(color.r);
color.g = Mathf.Clamp01(color.g);
color.b = Mathf.Clamp01(color.b);
color.a = Mathf.Clamp01(color.a);
texture2D.SetPixel(x, 0, SgtHelper.Saturate(color));
}
// Calculates the 0..1 depth between the eye and target
public float Calculate(Vector3 eye, Vector3 target)
{
if (busy == true)
{
Debug.LogError("Calculate is being called recursively");
return(0.0f);
}
var coverage = default(float);
busy = true;
{
coverage = DoCalculate(eye, target);
}
busy = false;
return(1.0f - SgtEase.Evaluate(Ease, 1.0f - coverage));
}
private void UpdateTexture()
{
if (generatedTexture == null)
{
generatedTexture = new Texture2D(64, 1, TextureFormat.RGB24, false);
generatedTexture.wrapMode = TextureWrapMode.Clamp;
}
for (var i = 0; i < 64; i++)
{
var t = SgtEase.Evaluate(ease, SgtHelper.Sharpness(i / 63.0f, sharpness));
generatedTexture.SetPixel(i, 0, Color.Lerp(shallow, deep, t));
}
generatedTexture.Apply();
CachedPlanet.Properties.SetTexture(Shader.PropertyToID("_WaterGradient"), generatedTexture);
}
private float GetSky(Vector3 eye, float localDistance)
{
var height01 = Mathf.InverseLerp(OuterRadius, innerMeshRadius, localDistance);
var mul = outerDepthTex.GetPixelBilinear(height01 / (1.0f - outerFog), 0.0f).a;
if (lit == true && night == true)
{
var mask = 1 << gameObject.layer;
var lights = SgtLight.Find(lit, mask, cachedTransform.position);
var lighting = 0.0f;
var cameraDirection = (eye - cachedTransform.position).normalized;
for (var i = 0; i < lights.Count && i < 2; i++)
{
var light = lights[i];
var position = default(Vector3);
var direction = default(Vector3);
var color = default(Color);
SgtLight.Calculate(light, cachedTransform.position, null, null, ref position, ref direction, ref color);
var dot = Vector3.Dot(direction, cameraDirection) * 0.5f + 0.5f;
var night01 = Mathf.InverseLerp(nightEnd, nightStart, dot);
var night = SgtEase.Evaluate(nightEase, 1.0f - Mathf.Pow(night01, nightPower));
if (night > lighting)
{
lighting = night;
}
}
return(Mathf.Lerp(nightSky, sky, lighting) * mul);
}
return(sky * mul);
}
