private void CalculateOcclusion(int layers, Vector4 eye, Vector4 tgt, ref float flareOcclusion)
{
if (occlusion > 0.0f && mainTex != null && SgtOcclusion.IsValid(flareOcclusion, layers, gameObject) == true)
{
if (cachedRingMesh == null)
{
cachedRingMesh = GetComponent <SgtRingMesh>();
}
if (cachedRingMesh != null)
{
var plane = new Plane(transform.up, transform.position);
var ray = new Ray(eye, tgt - eye);
var dist = default(float);
if (plane.Raycast(ray, out dist) == true)
{
var point = transform.InverseTransformPoint(ray.GetPoint(dist));
var u = Mathf.InverseLerp(cachedRingMesh.RadiusMin, cachedRingMesh.RadiusMax, Vector3.Magnitude(point));
flareOcclusion += mainTex.GetPixelBilinear(u, 0.5f).a *Mathf.Clamp01(occlusion) * (1.0f - flareOcclusion);
}
}
}
}
private void CalculateOcclusion(int layers, Vector4 worldEye, Vector4 worldTgt, ref float occlusion)
{
if (SgtOcclusion.IsValid(occlusion, layers, gameObject) == true && OuterRadius > 0.0f && outerDepthTex != null)
{
var eye = cachedTransform.InverseTransformPoint(worldEye) / OuterRadius;
var tgt = cachedTransform.InverseTransformPoint(worldTgt) / OuterRadius;
var dir = Vector3.Normalize(tgt - eye);
var len = Vector3.Magnitude(tgt - eye);
var length = default(float);
if (GetLength(eye, dir, len, ref length) == true)
{
var localPosition = cachedTransform.InverseTransformPoint(worldEye);
var localDistance = localPosition.magnitude;
var innerThickness = default(float);
var outerThickness = default(float);
var innerRatio = SgtHelper.Divide(innerMeshRadius, OuterRadius);
var middleRatio = Mathf.Lerp(innerRatio, 1.0f, middle);
var distance = SgtHelper.Divide(localDistance, OuterRadius);
var outerDensity = 1.0f - outerFog;
SgtHelper.CalculateHorizonThickness(innerRatio, middleRatio, distance, out innerThickness, out outerThickness);
length *= SgtHelper.Reciprocal(outerThickness * outerDensity);
var depth = outerDepthTex.GetPixelBilinear(length, length).a;
depth = Mathf.Clamp01(depth + (1.0f - depth) * GetSky(worldEye, localDistance));
occlusion += (1.0f - occlusion) * depth;
}
}
}
private void CameraPreCull(Camera camera)
{
var cameraState = SgtCameraState.Find(ref cameraStates, camera);
var eye = camera.transform.position;
var tgt = transform.position;
var occlusion = SgtOcclusion.Calculate(layers, new Vector4(eye.x, eye.y, eye.z, 0.0f), new Vector4(tgt.x, tgt.y, tgt.z, radius));
transform.localScale = maxScale * Mathf.Clamp01(1.0f - occlusion);
// Store scale
cameraState.LocalScale = transform.localScale;
}
private void HandleCalculateOcclusion(int layers, Vector4 eye, Vector4 tgt, ref float occlusion)
{
if (SgtOcclusion.IsValid(occlusion, layers, gameObject) == true && radius > 0.0f && depthTex != null)
{
eye = transform.InverseTransformPoint(eye) / radius;
tgt = transform.InverseTransformPoint(tgt) / radius;
var dir = Vector3.Normalize(tgt - eye);
var len = Vector3.Magnitude(tgt - eye);
var length = default(float);
if (GetLength(eye, dir, len, ref length) == true)
{
var depth = depthTex.GetPixelBilinear(length, length).a;
depth = Mathf.Clamp01(depth + (1.0f - depth) * GetSky(eye));
occlusion += (1.0f - occlusion) * depth;
}
}
}
private void CalculateOcclusion(int layers, Vector4 worldEye, Vector4 worldTgt, ref float occlusion)
{
if (SgtOcclusion.IsValid(occlusion, layers, gameObject) == true && OuterRadius > 0.0f && outerDepthTex != null)
{
var eye = transform.InverseTransformPoint(worldEye) / OuterRadius;
var tgt = transform.InverseTransformPoint(worldTgt) / OuterRadius;
var dir = Vector3.Normalize(tgt - eye);
var len = Vector3.Magnitude(tgt - eye);
var length = default(float);
if (GetLength(eye, dir, len, ref length) == true)
{
var depth = outerDepthTex.GetPixelBilinear(length, length).a;
var localPosition = CachedTransform.InverseTransformPoint(worldEye);
var localDistance = localPosition.magnitude;
depth = Mathf.Clamp01(depth + (1.0f - depth) * GetSky(localDistance));
occlusion += (1.0f - occlusion) * depth;
}
}
}
private void HandleCalculateOcclusion(int layers, Vector4 worldEye, Vector4 worldTgt, ref float flareOcclusion)
{
if (occlusion > 0.0f && SgtOcclusion.IsValid(occlusion, layers, gameObject) == true)
{
var localEye = transform.InverseTransformPoint(worldEye);
var localTgt = transform.InverseTransformPoint(worldTgt);
if (asteroids != null)
{
for (var i = 0; i < asteroids.Count; i++)
{
var asteroid = asteroids[i];
if (asteroid.Radius > 0.0f)
{
var position = CalculateLocalPosition(ref asteroid, OrbitOffset);
var distance = GetDistance(localEye, localTgt, position);
if (distance < asteroid.Radius)
{
//var blocking = 1.0f - SgtHelper.Sharpness(1.0f - distance / asteroid.Radius, occlusion);
//flareOcclusion += blocking * (1.0f - flareOcclusion);
flareOcclusion += (asteroid.Radius - distance) * occlusion;
}
if (flareOcclusion > 0.99f)
{
flareOcclusion = 1.0f;
break;
}
}
}
}
}
}
