protected virtual void SetProjectionMatrix()
{
var h = (float)(GetHeight() - GroundHeight);
CameraComponent.nearClipPlane = Mathf.Clamp(0.1f * h, 0.03f, 1000.0f);
CameraComponent.farClipPlane = Mathf.Clamp(1e6f * h, 1000.0f, 1e12f);
CameraComponent.ResetProjectionMatrix();
var projectionMatrix = CameraComponent.projectionMatrix;
if (SystemInfo.graphicsDeviceVersion.IndexOf("Direct3D") > -1)
{
// NOTE : Default unity antialiasing breaks matrices?
if (CameraHelper.IsDeferred(CameraComponent) || QualitySettings.antiAliasing == 0)
{
// Invert Y for rendering to a render texture
for (byte i = 0; i < 4; i++)
{
projectionMatrix[1, i] = -projectionMatrix[1, i];
}
}
// Scale and bias depth range
for (byte i = 0; i < 4; i++)
{
projectionMatrix[2, i] = projectionMatrix[2, i] * 0.5f + projectionMatrix[3, i] * 0.5f;
}
}
CameraToScreenMatrix = new Matrix4x4d(projectionMatrix);
ScreenToCameraMatrix = CameraToScreenMatrix.Inverse();
}
/*
* Get a copy of the projection matrix and convert in to double precision
* and apply the bias if using dx11 and flip Y if deferred rendering is used
*/
protected virtual void SetProjectionMatrix()
{
float h = (float)(GetHeight() - m_groundHeight);
camera.nearClipPlane = 0.1f * h;
camera.farClipPlane = 1e6f * h;
camera.ResetProjectionMatrix();
Matrix4x4 p = camera.projectionMatrix;
bool d3d = SystemInfo.graphicsDeviceVersion.IndexOf("Direct3D") > -1;
if (d3d)
{
if (camera.actualRenderingPath == RenderingPath.DeferredLighting)
{
// Invert Y for rendering to a render texture
for (int i = 0; i < 4; i++)
{
p[1, i] = -p[1, i];
}
}
// Scale and bias depth range
for (int i = 0; i < 4; i++)
{
p[2, i] = p[2, i] * 0.5f + p[3, i] * 0.5f;
}
}
m_cameraToScreenMatrix = new Matrix4x4d(p);
m_screenToCameraMatrix = m_cameraToScreenMatrix.Inverse();
}
public void Inverse()
{
for (int i = 0; i < count; i++)
{
Matrix4x4 a = new Matrix4x4();
Matrix4x4d ad = new Matrix4x4d();
RandomMatrix(ref a, ref ad);
Matrix4x4 value = Matrix4x4.Inverse(a);
Matrix4x4d valued = Matrix4x4d.Inverse(ad);
Assert.True(Approximate(value, valued));
}
}
/*
* Computes the world to camera matrix using double precision
* and applies it to the camera.
*/
protected virtual void SetWorldToCameraMatrix()
{
Vector3d2 po = new Vector3d2(m_position.x0, m_position.y0, 0.0);
Vector3d2 px = new Vector3d2(1.0, 0.0, 0.0);
Vector3d2 py = new Vector3d2(0.0, 1.0, 0.0);
Vector3d2 pz = new Vector3d2(0.0, 0.0, 1.0);
double ct = Math.Cos(m_position.theta);
double st = Math.Sin(m_position.theta);
double cp = Math.Cos(m_position.phi);
double sp = Math.Sin(m_position.phi);
Vector3d2 cx = px * cp + py * sp;
Vector3d2 cy = (px * -1.0) * sp * ct + py * cp * ct + pz * st;
Vector3d2 cz = px * sp * st - py * cp * st + pz * ct;
m_worldPos = po + cz * m_position.distance;
if (m_worldPos.z < m_groundHeight + 10.0)
{
m_worldPos.z = m_groundHeight + 10.0;
}
Matrix4x4d view = new Matrix4x4d(cx.x, cx.y, cx.z, 0.0,
cy.x, cy.y, cy.z, 0.0,
cz.x, cz.y, cz.z, 0.0,
0.0, 0.0, 0.0, 1.0);
m_worldToCameraMatrix = view * Matrix4x4d.Translate(m_worldPos * -1.0);
m_worldToCameraMatrix.m[0, 0] *= -1.0;
m_worldToCameraMatrix.m[0, 1] *= -1.0;
m_worldToCameraMatrix.m[0, 2] *= -1.0;
m_worldToCameraMatrix.m[0, 3] *= -1.0;
m_cameraToWorldMatrix = m_worldToCameraMatrix.Inverse();
camera.worldToCameraMatrix = m_worldToCameraMatrix.ToMatrix4x4();
camera.transform.position = m_worldPos.ToVector3();
}
private IEnumerator CalculateViewsRoutine(Action <List <string>, Dictionary <int, Texture2D> > callback)
{
yield return(Yielders.EndOfFrame); // Finish previous frame...
List <string> viewsLines = new List <string>();
Dictionary <int, Texture2D> viewsBilboards = new Dictionary <int, Texture2D>();
int total = 2 * (N_VIEWS * N_VIEWS + N_VIEWS) + 1;
int current = 0;
double zmax = Math.Abs(Z);
double zmin = -Math.Abs(Z);
for (int i = -N_VIEWS; i <= N_VIEWS; i++)
{
for (int j = -N_VIEWS + Math.Abs(i); j <= N_VIEWS - Math.Abs(i); ++j)
{
double x = (i + j) / (double)N_VIEWS;
double y = (j - i) / (double)N_VIEWS;
double angle = 90.0 - Math.Max(Math.Abs(x), Math.Abs(y)) * 90.0;
double alpha = x.EpsilonEquals(0.0, 0.00000001) && y.EpsilonEquals(0.0, 0.00000001) ? 0.0f : Math.Atan2(y, x) / Math.PI * 180.0;
Matrix4x4d cameraToWorld = Matrix4x4d.RotateX(90) * Matrix4x4d.RotateX(angle);
Matrix4x4d worldToCamera = cameraToWorld.Inverse();
Box3d b = new Box3d();
b = b.Enlarge((worldToCamera * new Vector4d(-1.0, -1.0, zmin, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(+1.0, -1.0, zmin, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(-1.0, +1.0, zmin, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(+1.0, +1.0, zmin, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(-1.0, -1.0, zmax, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(+1.0, -1.0, zmax, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(-1.0, +1.0, zmax, 1.0)).xyz);
b = b.Enlarge((worldToCamera * new Vector4d(+1.0, +1.0, zmax, 1.0)).xyz);
Matrix4x4d c2s = Matrix4x4d.Ortho(b.Max.x, b.Min.x, b.Max.y, b.Min.y, -2.0 * b.Max.z, -2.0 * b.Min.z + S);
Matrix4x4d w2s = c2s * worldToCamera * Matrix4x4d.RotateZ(-90 - alpha);
Vector3d dir = ((Matrix4x4d.RotateZ(90 + alpha) * cameraToWorld) * new Vector4d(0.0, 0.0, 1.0, 0.0)).xyz;
ViewMaterial.SetTexture("colorSampler", TreeSampler);
ViewMaterial.SetVector("dir", dir.ToVector3());
ViewMaterial.SetMatrix("worldToScreen", w2s.ToMatrix4x4());
Camera.main.projectionMatrix = w2s.ToMatrix4x4();
ViewMaterial.SetPass(0);
Graphics.DrawMeshNow(PreProcessMesh, Matrix4x4.TRS(Vector3.zero, Quaternion.identity, Vector3.one));
ViewMaterial.SetPass(1);
Graphics.DrawMeshNow(PreProcessMesh, Matrix4x4.TRS(Vector3.zero, Quaternion.identity, Vector3.one));
yield return(Yielders.EndOfFrame); // Finish this frame...
var texture = new Texture2D(GRIDRES_VIEWS, GRIDRES_VIEWS, TextureFormat.RGBAFloat, false, true);
texture.ReadPixels(new Rect(0, 0, GRIDRES_VIEWS, GRIDRES_VIEWS), 0, 0, false);
texture.Apply(false);
viewsBilboards.Add(current, texture);
var view = i * (1 - Math.Abs(i)) + j + 2 * N_VIEWS * i + N_VIEWS * (N_VIEWS + 1);
RTUtility.ClearColor(RenderTexture.active);
current++;
Debug.Log(string.Format("Precomputing Views Step {0} of {1} : View {2}", current, total, view));
viewsLines.Add(string.Format("{0}f,{1}f,{2}f,{3}f,{4}f,{5}f,{6}f,{7}f,{8}f,", (float)w2s.m[0, 0], (float)w2s.m[0, 1], (float)w2s.m[0, 2],
(float)w2s.m[1, 0], (float)w2s.m[1, 1], (float)w2s.m[1, 2],
(float)w2s.m[2, 0], (float)w2s.m[2, 1], (float)w2s.m[2, 2]));
}
}
if (callback != null)
{
callback(viewsLines, viewsBilboards);
}
}
public void UpdateMatrices()
{
var worldToLocal = new Matrix4x4d(1.0, 0.0, 0.0, -Origin.x,
0.0, 1.0, 0.0, -Origin.y,
0.0, 0.0, 1.0, -Origin.z,
0.0, 0.0, 0.0, 1.0);
var cameraToLocal = worldToLocal * CameraToWorld;
var localToCamera = cameraToLocal.Inverse();
var oceanFrame = cameraToLocal * Vector3d.zero;
var radius = ParentBody.Size;
uz = oceanFrame.Normalized();
ux = OldLocalToOcean != Matrix4x4d.identity ? new Vector3d(OldLocalToOcean.m[1, 0], OldLocalToOcean.m[1, 1], OldLocalToOcean.m[1, 2]).Cross(uz).Normalized() :
Vector3d.forward.Cross(uz).Normalized();
uy = uz.Cross(ux);
oo = (uz * radius);
var localToOcean = new Matrix4x4d(ux.x, ux.y, ux.z, -ux.Dot(oo),
uy.x, uy.y, uy.z, -uy.Dot(oo),
uz.x, uz.y, uz.z, -uz.Dot(oo),
0.0, 0.0, 0.0, 1.0);
var cameraToOcean = localToOcean * cameraToLocal;
//var worldToOcean = localToOcean * worldToLocal;
if (OldLocalToOcean != Matrix4x4d.identity)
{
var delta = localToOcean * (OldLocalToOcean.Inverse() * Vector3d.zero);
Offset += VectorHelper.MakeFrom(delta, 0.0f);
}
if (Mathf.Max(Mathf.Abs(Offset.x), Mathf.Abs(Offset.y)) > 20000.0f)
{
Offset.x = 0.0f;
Offset.y = 0.0f;
}
OldLocalToOcean = localToOcean;
var oc = cameraToOcean * Vector3d.zero;
H = oc.z;
if (double.IsNaN(H))
{
H = 1.0;
}
var offset = new Vector3d(-Offset.x, -Offset.y, H);
// TODO : Up to four light sources support...
var sun = ParentBody.Suns.FirstOrDefault();
var sunDirection = sun != null?ParentBody.GetSunDirection(sun) : Vector3.zero;
var oceanSunDirection = localToOcean.ToMatrix3x3d() * sunDirection;
var sphereDirection = (localToCamera * Vector3d.zero).Normalized(); // Direction to center of planet
var OHL = (localToCamera * Vector3d.zero).Magnitude(); // Distance to center of planet
var rHorizon = Math.Sqrt(OHL * OHL - radius * radius); // Distance to the horizon, i.e distance to ocean sphere tangent
// Theta equals angle to horizon, now all that is left to do is check the view direction against this angle
var cosTheta = rHorizon / OHL;
var sinTheta = Math.Sqrt(1.0 - cosTheta * cosTheta);
var oceanGridResolution = GodManager.Instance.OceanGridResolution;
OceanMaterial.SetVector("_SphereDirection", sphereDirection.ToVector3());
OceanMaterial.SetFloat("_CosTheta", (float)cosTheta);
OceanMaterial.SetFloat("_SinTheta", (float)sinTheta);
OceanMaterial.SetVector("_Ocean_SunDir", oceanSunDirection.ToVector3());
OceanMaterial.SetMatrix("_Ocean_CameraToOcean", cameraToOcean.ToMatrix4x4());
OceanMaterial.SetMatrix("_Ocean_OceanToCamera", cameraToOcean.Inverse().ToMatrix4x4());
OceanMaterial.SetMatrix("_Ocean_WorldToLocal", worldToLocal.ToMatrix4x4());
OceanMaterial.SetMatrix("_Ocean_LocalToOcean", localToOcean.ToMatrix4x4());
OceanMaterial.SetVector("_Ocean_CameraPos", offset.ToVector3());
OceanMaterial.SetVector("_Ocean_Color", UpwellingColor * 0.1f);
OceanMaterial.SetVector("_Ocean_ScreenGridSize", new Vector2((float)oceanGridResolution / (float)Screen.width, (float)oceanGridResolution / (float)Screen.height));
OceanMaterial.SetFloat("_Ocean_Radius", radius);
OceanMaterial.SetFloat("_Ocean_Wave_Level", OceanWaveLevel);
// TODO : Complete ocean matrices calculation for a cyllindrical worlds...
}
public void updateCameraSpecificUniforms(Material oceanMaterial, Camera inCamera)
{
cameraToScreen = GL.GetGPUProjectionMatrix(inCamera.projectionMatrix, false);
screenToCamera = cameraToScreen.inverse;
m_oceanMaterial.SetMatrix("_Globals_CameraToScreen", cameraToScreen);
m_oceanMaterial.SetMatrix("_Globals_ScreenToCamera", screenToCamera);
//Calculates the required data for the projected grid
// compute ltoo = localToOcean transform, where ocean frame = tangent space at
// camera projection on sphere radius in local space
//move these to dedicated projected grid class?
Matrix4x4 ctol1 = inCamera.cameraToWorldMatrix;
Matrix4x4d cameraToWorld = new Matrix4x4d(ctol1.m00, ctol1.m01, ctol1.m02, ctol1.m03,
ctol1.m10, ctol1.m11, ctol1.m12, ctol1.m13,
ctol1.m20, ctol1.m21, ctol1.m22, ctol1.m23,
ctol1.m30, ctol1.m31, ctol1.m32, ctol1.m33);
Vector3d translation = m_manager.parentLocalTransform.position;
Matrix4x4d worldToLocal = new Matrix4x4d(1, 0, 0, -translation.x,
0, 1, 0, -translation.y,
0, 0, 1, -translation.z,
0, 0, 0, 1);
Matrix4x4d camToLocal = worldToLocal * cameraToWorld;
Matrix4x4d localToCam = camToLocal.Inverse();
// camera in local space relative to planet's origin
Vector3d2 cl = new Vector3d2();
cl = camToLocal * Vector3d2.Zero();
double radius = m_manager.GetRadius();
uz = cl.Normalized(); // unit z vector of ocean frame, in local space
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
ux = (new Vector3d2(m_oldlocalToOcean.m [1, 0], m_oldlocalToOcean.m [1, 1], m_oldlocalToOcean.m [1, 2])).Cross(uz).Normalized();
}
else
{
ux = Vector3d2.UnitZ().Cross(uz).Normalized();
}
uy = uz.Cross(ux); // unit y vector
oo = uz * (radius); // origin of ocean frame, in local space
//local to ocean transform
//computed from oo and ux, uy, uz should be correct
Matrix4x4d localToOcean = new Matrix4x4d(
ux.x, ux.y, ux.z, -ux.Dot(oo),
uy.x, uy.y, uy.z, -uy.Dot(oo),
uz.x, uz.y, uz.z, -uz.Dot(oo),
0.0, 0.0, 0.0, 1.0);
Matrix4x4d cameraToOcean = localToOcean * camToLocal;
Matrix4x4d worldToOcean = localToOcean * worldToLocal;
Vector3d2 delta = new Vector3d2(0, 0, 0);
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
delta = localToOcean * (m_oldlocalToOcean.Inverse() * Vector3d2.Zero());
m_offset += delta;
}
//reset offset when bigger than 20000 to avoid floating point issues when later casting the offset to float
if (Mathf.Max(Mathf.Abs((float)m_offset.x), Mathf.Abs((float)m_offset.y)) > 20000f)
{
m_offset.x = 0.0;
m_offset.y = 0.0;
}
m_oldlocalToOcean = localToOcean;
// Matrix4x4d ctos = ModifiedProjectionMatrix (inCamera); //moved to command buffer
// Matrix4x4d stoc = ctos.Inverse ();
Vector3d2 oc = cameraToOcean * Vector3d2.Zero();
h = oc.z;
offset = new Vector3d2(-m_offset.x, -m_offset.y, h);
//old horizon code
//This breaks down when you tilt the camera by 90 degrees in any direction
//I made some new horizon code down, scroll down
// Vector4d stoc_w = (stoc * Vector4d.UnitW ()).XYZ0 ();
// Vector4d stoc_x = (stoc * Vector4d.UnitX ()).XYZ0 ();
// Vector4d stoc_y = (stoc * Vector4d.UnitY ()).XYZ0 ();
//
// Vector3d2 A0 = (cameraToOcean * stoc_w).XYZ ();
// Vector3d2 dA = (cameraToOcean * stoc_x).XYZ ();
// Vector3d2 B = (cameraToOcean * stoc_y).XYZ ();
//
// Vector3d2 horizon1, horizon2;
//
// double h1 = h * (h + 2.0 * radius);
// double h2 = (h + radius) * (h + radius);
// double alpha = B.Dot (B) * h1 - B.z * B.z * h2;
//
// double beta0 = (A0.Dot (B) * h1 - B.z * A0.z * h2) / alpha;
// double beta1 = (dA.Dot (B) * h1 - B.z * dA.z * h2) / alpha;
//
// double gamma0 = (A0.Dot (A0) * h1 - A0.z * A0.z * h2) / alpha;
// double gamma1 = (A0.Dot (dA) * h1 - A0.z * dA.z * h2) / alpha;
// double gamma2 = (dA.Dot (dA) * h1 - dA.z * dA.z * h2) / alpha;
//
// horizon1 = new Vector3d2 (-beta0, -beta1, 0.0);
// horizon2 = new Vector3d2 (beta0 * beta0 - gamma0, 2.0 * (beta0 * beta1 - gamma1), beta1 * beta1 - gamma2);
Vector3d2 sunDir = new Vector3d2(m_manager.getDirectionToSun().normalized);
Vector3d2 oceanSunDir = localToOcean.ToMatrix3x3d() * sunDir;
oceanMaterial.SetMatrix(ShaderProperties._Globals_CameraToWorld_PROPERTY, cameraToWorld.ToMatrix4x4());
oceanMaterial.SetVector(ShaderProperties._Ocean_SunDir_PROPERTY, oceanSunDir.ToVector3());
oceanMaterial.SetMatrix(ShaderProperties._Ocean_CameraToOcean_PROPERTY, cameraToOcean.ToMatrix4x4());
oceanMaterial.SetMatrix(ShaderProperties._Ocean_OceanToCamera_PROPERTY, cameraToOcean.Inverse().ToMatrix4x4());
// oceanMaterial.SetMatrix (ShaderProperties._Globals_CameraToScreen_PROPERTY, ctos.ToMatrix4x4 ());
// oceanMaterial.SetMatrix (ShaderProperties._Globals_ScreenToCamera_PROPERTY, stoc.ToMatrix4x4 ());
oceanMaterial.SetMatrix(ShaderProperties._Globals_WorldToOcean_PROPERTY, worldToOcean.ToMatrix4x4());
oceanMaterial.SetMatrix(ShaderProperties._Globals_OceanToWorld_PROPERTY, worldToOcean.Inverse().ToMatrix4x4());
oceanMaterial.SetVector(ShaderProperties._Ocean_CameraPos_PROPERTY, offset.ToVector3());
//horizon calculations
//these are used to find where the horizon line is on screen
//and "clamp" vertexes that are above it back to it
//as the grid is projected on the whole screen, vertexes over the horizon need to be dealt with
//simply passing a flag to drop fragments or moving these vertexes offscreen will cause issues
//as the horizon line can be between two vertexes and the horizon line will appear "pixelated"
//as whole chunks go missing
//these need to be done here
//1)for double precision
//2)for speed
Vector3d2 sphereDir = localToCam * Vector3d2.Zero(); //vector to center of planet
double OHL = sphereDir.Magnitude(); //distance to center of planet
sphereDir = sphereDir.Normalized(); //direction to center of planet
double rHorizon = Math.Sqrt((OHL)*(OHL)-(radius * radius)); //distance to the horizon, i.e distance to ocean sphere tangent
//basic geometry yo
//Theta=angle to horizon, now all that is left to do is check the viewdir against this angle in the shader
double cosTheta = rHorizon / (OHL);
double sinTheta = Math.Sqrt(1 - cosTheta * cosTheta);
oceanMaterial.SetVector(ShaderProperties.sphereDir_PROPERTY, sphereDir.ToVector3());
oceanMaterial.SetFloat(ShaderProperties.cosTheta_PROPERTY, (float)cosTheta);
oceanMaterial.SetFloat(ShaderProperties.sinTheta_PROPERTY, (float)sinTheta);
//planetshine properties
if (Scatterer.Instance.mainSettings.usePlanetShine)
{
Matrix4x4 planetShineSourcesMatrix = m_manager.m_skyNode.planetShineSourcesMatrix;
Vector3d2 oceanSunDir2;
for (int i = 0; i < 4; i++)
{
Vector4 row = planetShineSourcesMatrix.GetRow(i);
oceanSunDir2 = localToOcean.ToMatrix3x3d() * new Vector3d2(row.x, row.y, row.z);
planetShineSourcesMatrix.SetRow(i, new Vector4((float)oceanSunDir2.x, (float)oceanSunDir2.y, (float)oceanSunDir2.z, row.w));
}
oceanMaterial.SetMatrix("planetShineSources", planetShineSourcesMatrix); //this can become shared code to not recompute
oceanMaterial.SetMatrix("planetShineRGB", m_manager.m_skyNode.planetShineRGBMatrix);
}
if (!ReferenceEquals(causticsShadowMaskModulator, null))
{
causticsShadowMaskModulator.CausticsShadowMaskModulateMaterial.SetMatrix("CameraToWorld", inCamera.cameraToWorldMatrix);
causticsShadowMaskModulator.CausticsShadowMaskModulateMaterial.SetMatrix("WorldToLight", Scatterer.Instance.sunLight.transform.worldToLocalMatrix);
causticsShadowMaskModulator.CausticsShadowMaskModulateMaterial.SetVector("PlanetOrigin", m_manager.parentLocalTransform.position);
float warpTime = (TimeWarp.CurrentRate > 1) ? (float)Planetarium.GetUniversalTime() : 0f;
causticsShadowMaskModulator.CausticsShadowMaskModulateMaterial.SetFloat("warpTime", warpTime);
}
}
/*
* Computes the world to camera matrix using double precision
* and applies it to the camera.
*/
protected virtual void SetWorldToCameraMatrix()
{
Vector3d2 po = new Vector3d2(m_position.x0, m_position.y0, 0.0);
Vector3d2 px = new Vector3d2(1.0, 0.0, 0.0);
Vector3d2 py = new Vector3d2(0.0, 1.0, 0.0);
Vector3d2 pz = new Vector3d2(0.0, 0.0, 1.0);
double ct = Math.Cos(m_position.theta);
double st = Math.Sin(m_position.theta);
double cp = Math.Cos(m_position.phi);
double sp = Math.Sin(m_position.phi);
Vector3d2 cx = px * cp + py * sp;
Vector3d2 cy = (px*-1.0) * sp*ct + py * cp*ct + pz * st;
Vector3d2 cz = px * sp*st - py * cp*st + pz * ct;
m_worldPos = po + cz * m_position.distance;
if (m_worldPos.z < m_groundHeight + 10.0) {
m_worldPos.z = m_groundHeight + 10.0;
}
Matrix4x4d view = new Matrix4x4d( cx.x, cx.y, cx.z, 0.0,
cy.x, cy.y, cy.z, 0.0,
cz.x, cz.y, cz.z, 0.0,
0.0, 0.0, 0.0, 1.0);
m_worldToCameraMatrix = view * Matrix4x4d.Translate(m_worldPos * -1.0);
m_worldToCameraMatrix.m[0,0] *= -1.0;
m_worldToCameraMatrix.m[0,1] *= -1.0;
m_worldToCameraMatrix.m[0,2] *= -1.0;
m_worldToCameraMatrix.m[0,3] *= -1.0;
m_cameraToWorldMatrix = m_worldToCameraMatrix.Inverse();
camera.worldToCameraMatrix = m_worldToCameraMatrix.ToMatrix4x4();
camera.transform.position = m_worldPos.ToVector3();
}
/*
* Get a copy of the projection matrix and convert in to double precision
* and apply the bias if using dx11 and flip Y if deferred rendering is used
*/
protected virtual void SetProjectionMatrix()
{
float h = (float)(GetHeight() - m_groundHeight);
camera.nearClipPlane = 0.1f * h;
camera.farClipPlane = 1e6f * h;
camera.ResetProjectionMatrix();
Matrix4x4 p = camera.projectionMatrix;
bool d3d = SystemInfo.graphicsDeviceVersion.IndexOf("Direct3D") > -1;
if(d3d)
{
if(camera.actualRenderingPath == RenderingPath.DeferredLighting)
{
// Invert Y for rendering to a render texture
for (int i = 0; i < 4; i++) {
p[1,i] = -p[1,i];
}
}
// Scale and bias depth range
for (int i = 0; i < 4; i++) {
p[2,i] = p[2,i]*0.5f + p[3,i]*0.5f;
}
}
m_cameraToScreenMatrix = new Matrix4x4d(p);
m_screenToCameraMatrix = m_cameraToScreenMatrix.Inverse();
}
public void SetUniforms(Material mat)
{
//Sets uniforms that this or other gameobjects may need
if (mat == null) return;
mat.SetFloat("_Extinction_Cutoff", ExtinctionCutoff);
if (!MapView.MapIsEnabled) {
mat.SetFloat("_Alpha_Global", alphaGlobal);
mat.SetFloat("_Extinction_Tint", extinctionTint);
mat.SetFloat("extinctionMultiplier", extinctionMultiplier);
} else {
mat.SetFloat("_Alpha_Global", mapAlphaGlobal);
mat.SetFloat("_Extinction_Tint", mapExtinctionTint);
mat.SetFloat("extinctionMultiplier", mapExtinctionMultiplier);
}
mat.SetFloat("scale", atmosphereGlobalScale);
mat.SetFloat("Rg", Rg * atmosphereGlobalScale);
mat.SetFloat("Rt", Rt * atmosphereGlobalScale);
mat.SetFloat("RL", RL * atmosphereGlobalScale);
// if (debugSettings [5])
if (!MapView.MapIsEnabled) {
mat.SetFloat("_Globals_ApparentDistance", 1f);
} else {
mat.SetFloat("_Globals_ApparentDistance", (float)((parentCelestialBody.Radius / 100.2f) / MapViewScale));
// mat.SetFloat ("_Globals_ApparentDistance", MapViewScale);
}
// if (debugSettings[1])
if (!MapView.MapIsEnabled) {
mat.SetMatrix("_Globals_WorldToCamera", farCamera.worldToCameraMatrix);
mat.SetMatrix("_Globals_CameraToWorld", farCamera.worldToCameraMatrix.inverse);
} else {
mat.SetMatrix("_Globals_WorldToCamera", scaledSpaceCamera.worldToCameraMatrix);
mat.SetMatrix("_Globals_CameraToWorld", scaledSpaceCamera.worldToCameraMatrix.inverse);
}
mat.SetVector("betaR", m_betaR / 1000.0f);
mat.SetFloat("mieG", Mathf.Clamp(m_mieG, 0.0f, 0.99f));
mat.SetTexture("_Sky_Transmittance", m_transmit);
mat.SetTexture("_Sky_Inscatter", m_inscatter);
mat.SetTexture("_Sky_Irradiance", m_irradiance);
mat.SetFloat("_Sun_Intensity", 100f);
mat.SetVector("_Sun_WorldSunDir", m_manager.getDirectionToSun().normalized);
// mat.SetVector("_Sun_WorldSunDir", m_manager.getDirectionToSun());
// //copied from m_manager's set uniforms
//Matrix4x4 p;
// if (debugSettings [2])
if (!MapView.MapIsEnabled) {
p = farCamera.projectionMatrix;
} else {
p = scaledSpaceCamera.projectionMatrix;
}
m_cameraToScreenMatrix = new Matrix4x4d(p);
mat.SetMatrix("_Globals_CameraToScreen", m_cameraToScreenMatrix.ToMatrix4x4());
mat.SetMatrix("_Globals_ScreenToCamera", m_cameraToScreenMatrix.Inverse().ToMatrix4x4());
// if (debugSettings [3])
if (!MapView.MapIsEnabled) {
mat.SetVector("_Globals_WorldCameraPos", farCamera.transform.position);
} else {
mat.SetVector("_Globals_WorldCameraPos", scaledSpaceCamera.transform.position);
}
// else
// {
// Vector3 newpos= ScaledSpace.ScaledToLocalSpace(scaledSpaceCamera.transform.position);
// // m_skyMaterial.SetVector ("_Globals_WorldCameraPos", scaledSpaceCamera.transform.position);
// mat.SetVector ("_Globals_WorldCameraPos", newpos);
// }
//
// if (debugSettings [4])
if (!MapView.MapIsEnabled) {
mat.SetVector("_Globals_Origin", parentCelestialBody.transform.position);
} else {
// celestialTransform = ScaledSpace.Instance.scaledSpaceTransforms.Single(t => t.name == parentCelestialBody.name);
celestialTransform = ParentPlanetTransform;
// idek =celestialTransform.position;
idek = celestialTransform.position - scaledSpaceCamera.transform.position;
mat.SetVector("_Globals_Origin", idek);
}
if (!MapView.MapIsEnabled) {
mat.SetFloat("_Exposure", m_HDRExposure);
} else {
mat.SetFloat("_Exposure", mapExposure);
}
// int childCnt = 0;
// Transform scaledSunTransform=ScaledSpace.Instance.scaledSpaceTransforms.Single(t => t.name == "Sun");
// foreach (Transform child in scaledSunTransform)
// {
// print(childCnt);
// print(child.gameObject.name);
// childCnt++;
// MeshRenderer temp;
// temp = child.gameObject.GetComponent<MeshRenderer>();
//// temp.enabled=false;
// print(temp.enabled);
// }
}
void UpdatePostProcessMaterial(Material mat)
{
//mat.SetFloat ("atmosphereGlobalScale", atmosphereGlobalScale);
// mat.SetFloat ("Rg", Rg*atmosphereGlobalScale*postProcessingScale);
// mat.SetFloat("Rt", Rt*atmosphereGlobalScale*postProcessingScale);
// mat.SetFloat("Rl", RL*atmosphereGlobalScale*postProcessingScale);
totalscale = 1;
totalscale2 = 1;
for (int j = 0; j < 5; j++) {
totalscale = totalscale * additionalScales[j];
}
for (int j = 6; j < 10; j++) {
totalscale2 = totalscale2 * additionalScales[j];
}
mat.SetFloat("Rg", Rg * atmosphereGlobalScale * totalscale);
mat.SetFloat("Rt", Rt * atmosphereGlobalScale * totalscale);
mat.SetFloat("Rl", RL * atmosphereGlobalScale * totalscale);
//mat.SetFloat("_inscatteringCoeff", inscatteringCoeff);
mat.SetFloat("_extinctionCoeff", extinctionCoeff);
mat.SetFloat("_global_alpha", postProcessingAlpha);
mat.SetFloat("_Exposure", postProcessExposure);
mat.SetFloat("_global_depth", postProcessDepth);
mat.SetFloat("_global_depth2", totalscale2);
mat.SetFloat("terrain_reflectance", terrainReflectance);
mat.SetFloat("_irradianceFactor", irradianceFactor);
mat.SetFloat("_Scale", postProcessingScale);
// mat.SetFloat("_Scale", 1);
mat.SetFloat("_Ocean_Sigma", oceanSigma);
mat.SetFloat("_Ocean_Threshold", _Ocean_Threshold);
// mat.SetMatrix ("_Globals_CameraToWorld", cams [0].worldToCameraMatrix.inverse);
if (debugSettings[1]) {
mat.SetMatrix("_Globals_CameraToWorld", farCamera.worldToCameraMatrix.inverse);
} else {
mat.SetMatrix("_Globals_CameraToWorld", scaledSpaceCamera.worldToCameraMatrix.inverse);
}
if (debugSettings[2]) {
mat.SetVector("_CameraForwardDirection", farCamera.transform.forward);
} else {
mat.SetVector("_CameraForwardDirection", scaledSpaceCamera.transform.forward);
}
if (debugSettings[3]) {
mat.SetVector("_Globals_Origin", /*Vector3.zero-*/ parentCelestialBody.transform.position);
} else
{
// celestialTransform = ScaledSpace.Instance.scaledSpaceTransforms.Single(t => t.name == parentCelestialBody.name);
celestialTransform = ParentPlanetTransform;
idek = celestialTransform.position;
mat.SetVector("_Globals_Origin", /*Vector3.zero-*/ idek);
}
//mat.SetVector("betaR", m_betaR / (Rg / m_radius));
// mat.SetVector("betaR", m_betaR / (postProcessDepth));
mat.SetVector("betaR", new Vector4(2.9e-3f, 0.675e-2f, 1.655e-2f, 0.0f));
mat.SetFloat("mieG", 0.4f);
mat.SetVector("SUN_DIR", m_manager.GetSunNodeDirection());
mat.SetFloat("SUN_INTENSITY", sunIntensity);
Matrix4x4 ctol1 = farCamera.cameraToWorldMatrix;
Vector3d tmp = (farCamera.transform.position) - m_manager.parentCelestialBody.transform.position;
Matrix4x4d viewMat = new Matrix4x4d(ctol1.m00, ctol1.m01, ctol1.m02, tmp.x,
ctol1.m10, ctol1.m11, ctol1.m12, tmp.y,
ctol1.m20, ctol1.m21, ctol1.m22, tmp.z,
ctol1.m30, ctol1.m31, ctol1.m32, ctol1.m33);
// print ("viewmat");
// print (viewMat.ToMatrix4x4());
// Matrix4x4 viewMat = farCamera.worldToCameraMatrix;
viewMat = viewMat.Inverse();
Matrix4x4 projMat = GL.GetGPUProjectionMatrix(farCamera.projectionMatrix, false);
// projMat.m23 = projMat.m23 * 0.5f;
// print ("projmat");
// print (projMat);
Matrix4x4 viewProjMat = (projMat * viewMat.ToMatrix4x4());
mat.SetMatrix("_ViewProjInv", viewProjMat.inverse);
// mat.SetMatrix("_ViewToWorld", viewMat.ToMatrix4x4());
//
// var lpoints = RecalculateFrustrumPoints(farCamera);
// mat.SetVector("_FrustrumPoints", new Vector4(
// lpoints[4].x,lpoints[5].x,lpoints[5].y,lpoints[6].y));
//
// mat.SetFloat("_CameraFar", farCamera.farClipPlane);
}
public void updateStuff(Material oceanMaterial, Camera inCamera)
{
//Calculates the required data for the projected grid
// compute ltoo = localToOcean transform, where ocean frame = tangent space at
// camera projection on sphere radius in local space
Matrix4x4 ctol1 = inCamera.cameraToWorldMatrix;
//position relative to kerbin
// Vector3d tmp = (inCamera.transform.position) - m_manager.parentCelestialBody.transform.position;
Matrix4x4d cameraToWorld = new Matrix4x4d(ctol1.m00, ctol1.m01, ctol1.m02, ctol1.m03,
ctol1.m10, ctol1.m11, ctol1.m12, ctol1.m13,
ctol1.m20, ctol1.m21, ctol1.m22, ctol1.m23,
ctol1.m30, ctol1.m31, ctol1.m32, ctol1.m33);
//Looking back, I have no idea how I figured this crap out
Vector4 translation = m_manager.parentCelestialBody.transform.worldToLocalMatrix.inverse.GetColumn(3);
Matrix4x4d worldToLocal = new Matrix4x4d(1, 0, 0, -translation.x,
0, 1, 0, -translation.y,
0, 0, 1, -translation.z,
0, 0, 0, 1);
Matrix4x4d camToLocal = worldToLocal * cameraToWorld;
// camera in local space relative to planet's origin
Vector3d2 cl = new Vector3d2();
cl = camToLocal * Vector3d2.Zero();
// double radius = m_manager.GetRadius ();
double radius = m_manager.GetRadius() + m_oceanLevel;
// Vector3d2 ux, uy, uz, oo;
uz = cl.Normalized(); // unit z vector of ocean frame, in local space
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
ux = (new Vector3d2(m_oldlocalToOcean.m [1, 0], m_oldlocalToOcean.m [1, 1], m_oldlocalToOcean.m [1, 2])).Cross(uz).Normalized();
}
else
{
ux = Vector3d2.UnitZ().Cross(uz).Normalized();
}
uy = uz.Cross(ux); // unit y vector
oo = uz * (radius); // origin of ocean frame, in local space
//local to ocean transform
//computed from oo and ux, uy, uz should be correct
Matrix4x4d localToOcean = new Matrix4x4d(
ux.x, ux.y, ux.z, -ux.Dot(oo),
uy.x, uy.y, uy.z, -uy.Dot(oo),
uz.x, uz.y, uz.z, -uz.Dot(oo),
0.0, 0.0, 0.0, 1.0);
Matrix4x4d cameraToOcean = localToOcean * camToLocal;
//Couldn't figure out how to change the wind's direction in all that math so I tried to do the easy thing
//And Rotated the ocean and the sun
//This didn't work
//deleted rotation code here
Vector3d2 delta = new Vector3d2(0, 0, 0);
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
delta = localToOcean * (m_oldlocalToOcean.Inverse() * Vector3d2.Zero());
m_offset += delta;
}
m_oldlocalToOcean = localToOcean;
Matrix4x4d ctos = ModifiedProjectionMatrix(inCamera);
Matrix4x4d stoc = ctos.Inverse();
Vector3d2 oc = cameraToOcean * Vector3d2.Zero();
h = oc.z;
Vector4d stoc_w = (stoc * Vector4d.UnitW()).XYZ0();
Vector4d stoc_x = (stoc * Vector4d.UnitX()).XYZ0();
Vector4d stoc_y = (stoc * Vector4d.UnitY()).XYZ0();
Vector3d2 A0 = (cameraToOcean * stoc_w).XYZ();
Vector3d2 dA = (cameraToOcean * stoc_x).XYZ();
Vector3d2 B = (cameraToOcean * stoc_y).XYZ();
Vector3d2 horizon1, horizon2;
// Vector3d2 offset = new Vector3d2 (-m_offset.x, -m_offset.y, h);
offset = new Vector3d2(-m_offset.x, -m_offset.y, h);
// Vector3d2 offset = new Vector3d2 (0f, 0f, h);
double h1 = h * (h + 2.0 * radius);
double h2 = (h + radius) * (h + radius);
double alpha = B.Dot(B) * h1 - B.z * B.z * h2;
double beta0 = (A0.Dot(B) * h1 - B.z * A0.z * h2) / alpha;
double beta1 = (dA.Dot(B) * h1 - B.z * dA.z * h2) / alpha;
double gamma0 = (A0.Dot(A0) * h1 - A0.z * A0.z * h2) / alpha;
double gamma1 = (A0.Dot(dA) * h1 - A0.z * dA.z * h2) / alpha;
double gamma2 = (dA.Dot(dA) * h1 - dA.z * dA.z * h2) / alpha;
horizon1 = new Vector3d2(-beta0, -beta1, 0.0);
horizon2 = new Vector3d2(beta0 * beta0 - gamma0, 2.0 * (beta0 * beta1 - gamma1), beta1 * beta1 - gamma2);
Vector3d2 sunDir = new Vector3d2(m_manager.getDirectionToSun().normalized);
Vector3d2 oceanSunDir = localToOcean.ToMatrix3x3d() * sunDir;
oceanMaterial.SetVector("_Ocean_SunDir", oceanSunDir.ToVector3());
oceanMaterial.SetVector("_Ocean_Horizon1", horizon1.ToVector3());
oceanMaterial.SetVector("_Ocean_Horizon2", horizon2.ToVector3());
oceanMaterial.SetMatrix("_Ocean_CameraToOcean", cameraToOcean.ToMatrix4x4());
oceanMaterial.SetMatrix("_Ocean_OceanToCamera", cameraToOcean.Inverse().ToMatrix4x4());
oceanMaterial.SetMatrix("_Globals_CameraToScreen", ctos.ToMatrix4x4());
oceanMaterial.SetMatrix("_Globals_ScreenToCamera", stoc.ToMatrix4x4());
oceanMaterial.SetVector("_Ocean_CameraPos", offset.ToVector3());
oceanMaterial.SetVector("_Ocean_Color", new Color(m_oceanUpwellingColor.x, m_oceanUpwellingColor.y, m_oceanUpwellingColor.z) /* *0.1f */);
oceanMaterial.SetVector("_Ocean_ScreenGridSize", new Vector2((float)m_resolution / (float)Screen.width, (float)m_resolution / (float)Screen.height));
oceanMaterial.SetFloat("_Ocean_Radius", (float)radius);
// oceanMaterial.SetFloat("scale", 1);
oceanMaterial.SetFloat("scale", oceanScale);
oceanMaterial.SetFloat("_OceanAlpha", oceanAlpha);
oceanMaterial.SetFloat("alphaRadius", alphaRadius);
oceanMaterial.SetFloat("sunReflectionMultiplier", sunReflectionMultiplier);
oceanMaterial.SetFloat("skyReflectionMultiplier", skyReflectionMultiplier);
oceanMaterial.SetFloat("seaRefractionMultiplier", seaRefractionMultiplier);
m_manager.GetSkyNode().SetOceanUniforms(oceanMaterial);
}
public void updateStuff(Material oceanMaterial, Camera inCamera)
{
// m_manager.GetSkyNode ().SetOceanUniforms (m_oceanMaterial);
//Calculates the required data for the projected grid
// compute ltoo = localToOcean transform, where ocean frame = tangent space at
// camera projection on sphere radius in local space
Matrix4x4 ctol1 = inCamera.cameraToWorldMatrix;
Matrix4x4d cameraToWorld = new Matrix4x4d(ctol1.m00, ctol1.m01, ctol1.m02, ctol1.m03,
ctol1.m10, ctol1.m11, ctol1.m12, ctol1.m13,
ctol1.m20, ctol1.m21, ctol1.m22, ctol1.m23,
ctol1.m30, ctol1.m31, ctol1.m32, ctol1.m33);
//Looking back, I have no idea how I figured this crap out
//I probably did the math wrong anyway and it worked by sheer luck and incessant tries
// Vector4 translation = m_manager.parentCelestialBody.transform.localToWorldMatrix.GetColumn (3);
Vector3d translation = m_manager.parentCelestialBody.position;
Matrix4x4d worldToLocal = new Matrix4x4d(1, 0, 0, -translation.x,
0, 1, 0, -translation.y,
0, 0, 1, -translation.z,
0, 0, 0, 1);
Matrix4x4d camToLocal = worldToLocal * cameraToWorld;
Matrix4x4d localToCam = camToLocal.Inverse();
// camera in local space relative to planet's origin
Vector3d2 cl = new Vector3d2();
cl = camToLocal * Vector3d2.Zero();
double radius = m_manager.GetRadius() + m_oceanLevel;
uz = cl.Normalized(); // unit z vector of ocean frame, in local space
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
ux = (new Vector3d2(m_oldlocalToOcean.m [1, 0], m_oldlocalToOcean.m [1, 1], m_oldlocalToOcean.m [1, 2])).Cross(uz).Normalized();
}
else
{
ux = Vector3d2.UnitZ().Cross(uz).Normalized();
}
uy = uz.Cross(ux); // unit y vector
oo = uz * (radius); // origin of ocean frame, in local space
//local to ocean transform
//computed from oo and ux, uy, uz should be correct
Matrix4x4d localToOcean = new Matrix4x4d(
ux.x, ux.y, ux.z, -ux.Dot(oo),
uy.x, uy.y, uy.z, -uy.Dot(oo),
uz.x, uz.y, uz.z, -uz.Dot(oo),
0.0, 0.0, 0.0, 1.0);
Matrix4x4d cameraToOcean = localToOcean * camToLocal;
Matrix4x4d worldToOcean = localToOcean * worldToLocal;
Vector3d2 delta = new Vector3d2(0, 0, 0);
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
delta = localToOcean * (m_oldlocalToOcean.Inverse() * Vector3d2.Zero());
m_offset += delta;
}
//reset offset when bigger than 20000 to avoid floating point issues when later casting the offset to float
if (Mathf.Max(Mathf.Abs((float)m_offset.x), Mathf.Abs((float)m_offset.y)) > 20000f)
{
m_offset.x = 0.0;
m_offset.y = 0.0;
}
m_oldlocalToOcean = localToOcean;
// Matrix4x4d ctos = ModifiedProjectionMatrix (inCamera); //moved to command buffer
// Matrix4x4d stoc = ctos.Inverse ();
Vector3d2 oc = cameraToOcean * Vector3d2.Zero();
h = oc.z;
// m_skyMaterialLocal.EnableKeyword ("ECLIPSES_ON");
// m_skyMaterialLocal.DisableKeyword ("ECLIPSES_OFF");
offset = new Vector3d2(-m_offset.x, -m_offset.y, h);
//old horizon code
//This breaks down when you tilt the camera by 90 degrees in any direction
//I made some new horizon code down, scroll down
// Vector4d stoc_w = (stoc * Vector4d.UnitW ()).XYZ0 ();
// Vector4d stoc_x = (stoc * Vector4d.UnitX ()).XYZ0 ();
// Vector4d stoc_y = (stoc * Vector4d.UnitY ()).XYZ0 ();
//
// Vector3d2 A0 = (cameraToOcean * stoc_w).XYZ ();
// Vector3d2 dA = (cameraToOcean * stoc_x).XYZ ();
// Vector3d2 B = (cameraToOcean * stoc_y).XYZ ();
//
// Vector3d2 horizon1, horizon2;
//
// double h1 = h * (h + 2.0 * radius);
// double h2 = (h + radius) * (h + radius);
// double alpha = B.Dot (B) * h1 - B.z * B.z * h2;
//
// double beta0 = (A0.Dot (B) * h1 - B.z * A0.z * h2) / alpha;
// double beta1 = (dA.Dot (B) * h1 - B.z * dA.z * h2) / alpha;
//
// double gamma0 = (A0.Dot (A0) * h1 - A0.z * A0.z * h2) / alpha;
// double gamma1 = (A0.Dot (dA) * h1 - A0.z * dA.z * h2) / alpha;
// double gamma2 = (dA.Dot (dA) * h1 - dA.z * dA.z * h2) / alpha;
//
// horizon1 = new Vector3d2 (-beta0, -beta1, 0.0);
// horizon2 = new Vector3d2 (beta0 * beta0 - gamma0, 2.0 * (beta0 * beta1 - gamma1), beta1 * beta1 - gamma2);
Vector3d2 sunDir = new Vector3d2(m_manager.getDirectionToSun().normalized);
Vector3d2 oceanSunDir = localToOcean.ToMatrix3x3d() * sunDir;
oceanMaterial.SetMatrix(ShaderProperties._Globals_CameraToWorld_PROPERTY, cameraToWorld.ToMatrix4x4());
oceanMaterial.SetVector(ShaderProperties._Ocean_SunDir_PROPERTY, oceanSunDir.ToVector3());
oceanMaterial.SetMatrix(ShaderProperties._Ocean_CameraToOcean_PROPERTY, cameraToOcean.ToMatrix4x4());
oceanMaterial.SetMatrix(ShaderProperties._Ocean_OceanToCamera_PROPERTY, cameraToOcean.Inverse().ToMatrix4x4());
// oceanMaterial.SetMatrix (ShaderProperties._Globals_CameraToScreen_PROPERTY, ctos.ToMatrix4x4 ());
// oceanMaterial.SetMatrix (ShaderProperties._Globals_ScreenToCamera_PROPERTY, stoc.ToMatrix4x4 ());
oceanMaterial.SetMatrix(ShaderProperties._Globals_WorldToOcean_PROPERTY, worldToOcean.ToMatrix4x4());
oceanMaterial.SetMatrix(ShaderProperties._Globals_OceanToWorld_PROPERTY, worldToOcean.Inverse().ToMatrix4x4());
oceanMaterial.SetVector(ShaderProperties._Ocean_CameraPos_PROPERTY, offset.ToVector3());
//oceanMaterial.SetVector (ShaderProperties._Ocean_Color_PROPERTY, new Color (m_oceanUpwellingColor.x, m_oceanUpwellingColor.y, m_oceanUpwellingColor.z));
oceanMaterial.SetVector(ShaderProperties._Ocean_Color_PROPERTY, m_oceanUpwellingColor);
oceanMaterial.SetVector("_Underwater_Color", m_UnderwaterColor);
oceanMaterial.SetVector(ShaderProperties._Ocean_ScreenGridSize_PROPERTY, new Vector2((float)m_resolution / (float)Screen.width, (float)m_resolution / (float)Screen.height));
oceanMaterial.SetFloat(ShaderProperties._Ocean_Radius_PROPERTY, (float)(radius + m_oceanLevel));
// oceanMaterial.SetFloat("scale_PROPERTY, 1);
oceanMaterial.SetFloat(ShaderProperties.scale_PROPERTY, oceanScale);
oceanMaterial.SetFloat(ShaderProperties._OceanAlpha_PROPERTY, oceanAlpha);
oceanMaterial.SetFloat(ShaderProperties.alphaRadius_PROPERTY, alphaRadius);
oceanMaterial.SetFloat(ShaderProperties._GlobalOceanAlpha_PROPERTY, m_manager.m_skyNode.interpolatedSettings._GlobalOceanAlpha);
m_manager.GetSkyNode().SetOceanUniforms(oceanMaterial);
//horizon calculations
//these are used to find where the horizon line is on screen
//and "clamp" vertexes that are above it back to it
//as the grid is projected on the whole screen, vertexes over the horizon need to be dealt with
//simply passing a flag to drop fragments or moving these vertexes offscreen will cause issues
//as the horizon line can be between two vertexes and the horizon line will appear "pixelated"
//as whole chunks go missing
//these need to be done here
//1)for double precision
//2)for speed
Vector3d2 sphereDir = (localToCam * Vector3d2.Zero()).Normalized(); //direction to center of planet
double OHL = (localToCam * Vector3d2.Zero()).Magnitude(); //distance to center of planet
double rHorizon = Math.Sqrt((OHL)*(OHL)-(radius * radius)); //distance to the horizon, i.e distance to ocean sphere tangent
//basic geometry yo
//Theta=angle to horizon, now all that is left to do is check the viewdir against this angle in the shader
double cosTheta = rHorizon / (OHL);
double sinTheta = Math.Sqrt(1 - cosTheta * cosTheta);
oceanMaterial.SetVector(ShaderProperties.sphereDir_PROPERTY, sphereDir.ToVector3());
oceanMaterial.SetFloat(ShaderProperties.cosTheta_PROPERTY, (float)cosTheta);
oceanMaterial.SetFloat(ShaderProperties.sinTheta_PROPERTY, (float)sinTheta);
if (Core.Instance.usePlanetShine)
{
Matrix4x4 planetShineSourcesMatrix = m_manager.m_skyNode.planetShineSourcesMatrix;
Vector3d2 oceanSunDir2;
for (int i = 0; i < 4; i++)
{
Vector4 row = planetShineSourcesMatrix.GetRow(i);
oceanSunDir2 = localToOcean.ToMatrix3x3d() * new Vector3d2(row.x, row.y, row.z);
planetShineSourcesMatrix.SetRow(i, new Vector4((float)oceanSunDir2.x, (float)oceanSunDir2.y, (float)oceanSunDir2.z, row.w));
}
oceanMaterial.SetMatrix("planetShineSources", planetShineSourcesMatrix);
oceanMaterial.SetMatrix("planetShineRGB", m_manager.m_skyNode.planetShineRGBMatrix);
}
m_manager.GetSkyNode().UpdatePostProcessMaterial(underwaterPostProcessingMaterial);
underwaterPostProcessingMaterial.SetVector("_Underwater_Color", m_UnderwaterColor);
m_oceanMaterial.SetFloat("refractionIndex", refractionIndex);
m_oceanMaterial.SetFloat("transparencyDepth", transparencyDepth);
m_oceanMaterial.SetFloat("darknessDepth", darknessDepth);
underwaterPostProcessingMaterial.SetFloat("transparencyDepth", transparencyDepth);
underwaterPostProcessingMaterial.SetFloat("darknessDepth", darknessDepth);
//underwaterPostProcessingMaterial.SetFloat ("refractionIndex", refractionIndex);
}
public void SetUniforms(Material mat)
{
//Sets uniforms that this or other gameobjects may need
if(mat == null) return;
//mat.SetFloat ("atmosphereGlobalScale", atmosphereGlobalScale);
mat.SetFloat ("_Alpha_Cutoff", alphaCutoff);
mat.SetFloat ("_Alpha_Global", alphaGlobal);
mat.SetFloat("scale",atmosphereGlobalScale);
mat.SetFloat("Rg", Rg*atmosphereGlobalScale);
mat.SetFloat("Rt", Rt*atmosphereGlobalScale);
mat.SetFloat("RL", RL*atmosphereGlobalScale);
// if (debugSettings [5])
if(!MapView.MapIsEnabled)
{
mat.SetFloat ("_Globals_ApparentDistance", apparentDistance);
}
else
{
mat.SetFloat("_Globals_ApparentDistance", (float)(parentCelestialBody.Radius/100.2f));
}
// if (debugSettings[1])
if(!MapView.MapIsEnabled)
{
mat.SetMatrix ("_Globals_WorldToCamera", farCamera.worldToCameraMatrix);
mat.SetMatrix ("_Globals_CameraToWorld", farCamera.worldToCameraMatrix.inverse);
}
else
{
mat.SetMatrix ("_Globals_WorldToCamera", scaledSpaceCamera.worldToCameraMatrix);
mat.SetMatrix ("_Globals_CameraToWorld", scaledSpaceCamera.worldToCameraMatrix.inverse);
}
mat.SetVector("betaR", m_betaR / 1000.0f);
mat.SetFloat("mieG", Mathf.Clamp(m_mieG, 0.0f, 0.99f));
mat.SetTexture("_Sky_Transmittance", m_transmit);
mat.SetTexture("_Sky_Inscatter", m_inscatter);
mat.SetTexture("_Sky_Irradiance", m_irradiance);
// mat.SetTexture("_Sky_Map", m_skyMap);
mat.SetFloat("_Sun_Intensity", sun_intensity);
mat.SetVector("_Sun_WorldSunDir", m_manager.getDirectionToSun().normalized);
// mat.SetVector("_Sun_WorldSunDir", m_manager.getDirectionToSun());
// //copied from m_manager's set uniforms
Matrix4x4 p;
// if (debugSettings [2])
if(!MapView.MapIsEnabled)
{
p = farCamera.projectionMatrix;
}
else
{
p = scaledSpaceCamera.projectionMatrix;
}
m_cameraToScreenMatrix = new Matrix4x4d (p);
mat.SetMatrix ("_Globals_CameraToScreen", m_cameraToScreenMatrix.ToMatrix4x4 ());
mat.SetMatrix ("_Globals_ScreenToCamera", m_cameraToScreenMatrix.Inverse ().ToMatrix4x4 ());
// if (debugSettings [3])
{
mat.SetVector ("_Globals_WorldCameraPos", farCamera.transform.position);
}
// else
// {
// Vector3 newpos= ScaledSpace.ScaledToLocalSpace(scaledSpaceCamera.transform.position);
// // m_skyMaterial.SetVector ("_Globals_WorldCameraPos", scaledSpaceCamera.transform.position);
// mat.SetVector ("_Globals_WorldCameraPos", newpos);
// }
// if (debugSettings [4])
if(!MapView.MapIsEnabled)
{
mat.SetVector ("_Globals_Origin", parentCelestialBody.transform.position);
}
else
{
Transform celestialTransform = ScaledSpace.Instance.scaledSpaceTransforms.Single(t => t.name == parentCelestialBody.name);
Vector3 idek =celestialTransform.position;
mat.SetVector ("_Globals_Origin", idek);
}
mat.SetFloat ("_Exposure", m_HDRExposure);
}
protected override void UpdateNode()
{
OceanMaterial.renderQueue = (int)RenderQueue + RenderQueueOffset;
// Calculates the required data for the projected grid
var c2w = (Matrix4x4d)GodManager.Instance.CameraToWorld;
var cl = c2w * -Origin; // Camera in local space // TODO : Ocean origin
var radius = planetoid.PlanetRadius; //Manager.IsDeformed() ? Manager.GetRadius() : 0.0f;
if ((OceanType == OceanSurfaceType.Flat && cl.z > ZMin) || (radius > 0.0 && cl.Magnitude() > radius + ZMin) || (radius < 0.0 && (new Vector2d(cl.y, cl.z)).Magnitude() < -radius - ZMin))
{
OldLocalToOcean = Matrix4x4d.Identity();
Offset = Vector4.zero;
DrawOcean = false;
return;
}
DrawOcean = true;
Vector3d ux, uy, uz, oo;
if (OceanType == OceanSurfaceType.Flat)
{
// Terrain ocean
ux = Vector3d.UnitX();
uy = Vector3d.UnitY();
uz = Vector3d.UnitZ();
oo = new Vector3d(cl.x, cl.y, 0.0);
}
else
{
// Planet ocean
uz = cl.Normalized(); // Unit z vector of ocean frame, in local space
if (OldLocalToOcean != Matrix4x4d.Identity())
{
ux = (new Vector3d(OldLocalToOcean.m[1, 0], OldLocalToOcean.m[1, 1], OldLocalToOcean.m[1, 2])).Cross(uz).Normalized();
}
else
{
ux = Vector3d.UnitZ().Cross(uz).Normalized();
}
uy = uz.Cross(ux); // Unit y vector
oo = uz * radius; // Origin of ocean frame, in local space
}
// Compute l2o = LocalToOcean transform, where ocean frame = tangent space at camera projection on sphere radius in local space
var l2o = new Matrix4x4d(ux.x, ux.y, ux.z, -ux.Dot(oo), uy.x, uy.y, uy.z, -uy.Dot(oo), uz.x, uz.y, uz.z, -uz.Dot(oo), 0.0, 0.0, 0.0, 1.0);
// Compute c2o = CameraToOcean transform
var c2o = l2o * c2w;
if (OldLocalToOcean != Matrix4x4d.Identity())
{
var delta = l2o * (OldLocalToOcean.Inverse() * -Origin); // TODO : Ocean origin
Offset += new Vector4((float)delta.x, (float)delta.y, (float)delta.z, 0.0f);
}
OldLocalToOcean = l2o;
var stoc = (Matrix4x4d)GodManager.Instance.ScreenToCamera;
var oc = c2o * Vector3d.zero; // TODO : Ocean origin
var h = oc.z;
var stoc_w = (stoc * Vector4d.UnitW()).XYZ0();
var stoc_x = (stoc * Vector4d.UnitX()).XYZ0();
var stoc_y = (stoc * Vector4d.UnitY()).XYZ0();
var A0 = (c2o * stoc_w).XYZ();
var dA = (c2o * stoc_x).XYZ();
var B = (c2o * stoc_y).XYZ();
var horizon1 = Vector3d.zero;
var horizon2 = Vector3d.zero;
var offset = new Vector3d(-Offset.x, -Offset.y, oc.z);
if (OceanType == OceanSurfaceType.Flat)
{
// Terrain ocean
horizon1 = new Vector3d(-(h * 1e-6 + A0.z) / B.z, -dA.z / B.z, 0.0);
horizon2 = Vector3d.zero;
}
else
{
// Planet ocean
var h1 = h * (h + 2.0 * radius);
var h2 = (h + radius) * (h + radius);
var alpha = B.Dot(B) * h1 - B.z * B.z * h2;
var beta0 = (A0.Dot(B) * h1 - B.z * A0.z * h2) / alpha;
var beta1 = (dA.Dot(B) * h1 - B.z * dA.z * h2) / alpha;
var gamma0 = (A0.Dot(A0) * h1 - A0.z * A0.z * h2) / alpha;
var gamma1 = (A0.Dot(dA) * h1 - A0.z * dA.z * h2) / alpha;
var gamma2 = (dA.Dot(dA) * h1 - dA.z * dA.z * h2) / alpha;
horizon1 = new Vector3d(-beta0, -beta1, 0.0);
horizon2 = new Vector3d(beta0 * beta0 - gamma0, 2.0 * (beta0 * beta1 - gamma1), beta1 * beta1 - gamma2);
}
var sunDirection = planetoid.Atmosphere.GetSunDirection(planetoid.Atmosphere.Suns[0]);
var oceanSunDirection = l2o.ToMatrix3x3d() * sunDirection;
OceanMaterial.SetVector("_Ocean_SunDir", oceanSunDirection.ToVector3());
OceanMaterial.SetVector("_Ocean_Horizon1", horizon1.ToVector3());
OceanMaterial.SetVector("_Ocean_Horizon2", horizon2.ToVector3());
OceanMaterial.SetMatrix("_Ocean_CameraToOcean", c2o.ToMatrix4x4());
OceanMaterial.SetMatrix("_Ocean_OceanToCamera", c2o.Inverse().ToMatrix4x4());
OceanMaterial.SetVector("_Ocean_CameraPos", offset.ToVector3());
OceanMaterial.SetVector("_Ocean_Color", UpwellingColor * 0.1f);
OceanMaterial.SetVector("_Ocean_ScreenGridSize", new Vector2((float)Resolution / (float)Screen.width, (float)Resolution / (float)Screen.height));
OceanMaterial.SetFloat("_Ocean_Radius", radius);
// TODO : OCEAN
//Manager.GetSkyNode().SetUniforms(OceanMaterial);
//Manager.GetSunNode().SetUniforms(OceanMaterial);
//Manager.SetUniforms(OceanMaterial);
}
