protected override void InitNode()
{
Body = GetComponentInParent <CelestialBody>();
Body.TerrainNodes.Add(this);
TerrainMaterial = MaterialHelper.CreateTemp(Body.ColorShader, "TerrainNode");
//Manager.GetSkyNode().InitUniforms(TerrainMaterial);
var faces = new Vector3d[] { new Vector3d(0, 0, 0), new Vector3d(90, 0, 0), new Vector3d(90, 90, 0), new Vector3d(90, 180, 0), new Vector3d(90, 270, 0), new Vector3d(0, 180, 180) };
FaceToLocal = Matrix4x4d.Identity();
// If this terrain is deformed into a sphere the face matrix is the rotation of the
// terrain needed to make up the spherical planet. In this case there should be 6 terrains, each with a unique face number
if (Face - 1 >= 0 && Face - 1 < 6)
{
FaceToLocal = Matrix4x4d.Rotate(faces[Face - 1]);
}
//LocalToWorld = Matrix4x4d.ToMatrix4x4d(transform.localToWorldMatrix) * FaceToLocal;
LocalToWorld = FaceToLocal;
Deformation = new DeformationSpherical(Body.Radius);
TerrainQuadRoot = new TerrainQuad(this, null, 0, 0, -Body.Radius, -Body.Radius, 2.0 * Body.Radius, ZMin, ZMax);
}
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();
}
public override void UpdateNode()
{
UpdateKeywords(OceanMaterial);
OceanMaterial.renderQueue = (int)RenderQueue + RenderQueueOffset;
// Calculates the required data for the projected grid
CameraToWorld = GodManager.Instance.View.CameraToWorldMatrix;
var oceanFrame = CameraToWorld * Vector3d.zero; // Camera in local space
var radius = ParentBody.Size;
var trueAltitude = Vector3d.Distance(GodManager.Instance.View.WorldCameraPosition, Origin) - radius;
if ((radius > 0.0 && trueAltitude > ZMin) || (radius < 0.0 && new Vector2d(oceanFrame.y, oceanFrame.z).Magnitude() < -radius - ZMin))
{
OldLocalToOcean = Matrix4x4d.identity;
Offset = Vector4.zero;
DrawOcean = false;
return;
}
DrawOcean = true;
}
public DeformationBase()
{
uniforms = new Uniforms();
localToCamera = Matrix4x4d.identity;
localToScreen = Matrix4x4d.identity;
localToTangent = Matrix3x3d.identity;
}
/*
* 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 UpdateNode()
{
LocalToWorld = /*Matrix4x4d.ToMatrix4x4d(transform.localToWorldMatrix) * */ FaceToLocal;
Matrix4x4d localToCamera = View.WorldToCamera * LocalToWorld;
Matrix4x4d localToScreen = View.CameraToScreen * localToCamera;
Matrix4x4d invLocalToCamera = localToCamera.Inverse;
DeformedCameraPos = invLocalToCamera * (new Vector3d(0));
Frustum3d.SetPlanes(DeformedFrustumPlanes, localToScreen);
LocalCameraPos = Deform.DeformedToLocal(DeformedCameraPos);
Matrix4x4d m = Deform.LocalToDeformedDifferential(LocalCameraPos, true);
DistFactor = (float)Math.Max((new Vector3d(m[0, 0], m[1, 0], m[2, 0])).Magnitude, (new Vector3d(m[0, 1], m[1, 1], m[2, 1])).Magnitude);
Vector3d left = DeformedFrustumPlanes[0].xyz.Normalized;
Vector3d right = DeformedFrustumPlanes[1].xyz.Normalized;
float fov = (float)MathUtility.Safe_Acos(-Vector3d.Dot(left, right));
float width = (float)Screen.width;
SplitDist = m_splitFactor * width / 1024.0f * Mathf.Tan(40.0f * Mathf.Deg2Rad) / Mathf.Tan(fov / 2.0f);
if (SplitDist < 1.1f || !MathUtility.IsFinite(SplitDist))
{
SplitDist = 1.1f;
}
// initializes data structures for horizon occlusion culling
if (HorizonCulling && LocalCameraPos.z <= Root.ZMax)
{
Vector3d deformedDir = invLocalToCamera * (new Vector3d(0, 0, 1));
Vector2d localDir = (Deform.DeformedToLocal(deformedDir) - LocalCameraPos).xy.Normalized;
LocalCameraDir = new Matrix2x2d(localDir.y, -localDir.x, -localDir.x, -localDir.y);
for (int i = 0; i < HORIZON_SIZE; ++i)
{
m_horizon[i] = float.NegativeInfinity;
}
}
Root.Update();
World.SkyNode.SetUniforms(m_terrainMaterial);
World.SunNode.SetUniforms(m_terrainMaterial);
World.SetUniforms(m_terrainMaterial);
Deform.SetUniforms(this, m_terrainMaterial);
if (World.OceanNode != null)
{
World.OceanNode.SetUniforms(m_terrainMaterial);
}
else
{
m_terrainMaterial.SetFloat("_Ocean_DrawBRDF", 0.0f);
}
}
/*
* Sets the shader uniforms that are necessary to project on screen the
* TerrainQuad of the given TerrainNode. This method can set the uniforms
* that are common to all the quads of the given terrain.
*/
public virtual void SetUniforms(TerrainNode node, Material mat)
{
if (mat == null || node == null)
{
return;
}
float d1 = node.GetSplitDist() + 1.0f;
float d2 = 2.0f * node.GetSplitDist();
mat.SetVector(m_uniforms.blending, new Vector2(d1, d2 - d1));
m_localToCamera = node.GetView().GetWorldToCamera() * node.GetLocalToWorld();
m_localToScreen = node.GetView().GetCameraToScreen() * m_localToCamera;
Vector3d2 localCameraPos = node.GetLocalCameraPos();
Vector3d2 worldCamera = node.GetView().GetWorldCameraPos();
Matrix4x4d A = LocalToDeformedDifferential(localCameraPos);
Matrix4x4d B = DeformedToTangentFrame(worldCamera);
Matrix4x4d ltot = B * node.GetLocalToWorld() * A;
m_localToTangent = new Matrix3x3d(ltot.m[0, 0], ltot.m[0, 1], ltot.m[0, 3],
ltot.m[1, 0], ltot.m[1, 1], ltot.m[1, 3],
ltot.m[3, 0], ltot.m[3, 1], ltot.m[3, 3]);
mat.SetMatrix(m_uniforms.localToScreen, m_localToScreen.ToMatrix4x4());
mat.SetMatrix(m_uniforms.localToWorld, node.GetLocalToWorld().ToMatrix4x4());
}
/// <summary>
/// OSG utiliza una representacion 'row-mayor', OpenGL 'column-mayor' y Clip
/// 'column-mayor'.
/// http://steve.hollasch.net/cgindex/math/matrix/column-vec.html
/// http://www.openscenegraph.org/projects/osg/wiki/Support/Maths/MatrixTransformations
/// </summary>
/// <param name="mat"></param>
/// <returns></returns>
public static Matrixd ToMatrixd(this Matrix4x4d mat)
{
return(new Matrixd(mat.M00, mat.M10, mat.M20, mat.M30,
mat.M01, mat.M11, mat.M21, mat.M31,
mat.M02, mat.M12, mat.M22, mat.M32,
mat.M03, mat.M13, mat.M23, mat.M33));
}
public Deformation()
{
m_uniforms = new Uniforms();
m_localToCamera = new Matrix4x4d();
m_localToScreen = new Matrix4x4d();
m_localToTangent = new Matrix3x3d();
}
public void TRS()
{
for (int i = 0; i < count; i++)
{
float ax, ay, az;
float bx, by, bz;
float cx, cy, cz;
ax = UnityEngine.Random.Range(-10F, 10F);
ay = UnityEngine.Random.Range(-10F, 10F);
az = UnityEngine.Random.Range(-10F, 10F);
bx = UnityEngine.Random.Range(-10F, 10F);
by = UnityEngine.Random.Range(-10F, 10F);
bz = UnityEngine.Random.Range(-10F, 10F);
cx = UnityEngine.Random.Range(-10F, 10F);
cy = UnityEngine.Random.Range(-10F, 10F);
cz = UnityEngine.Random.Range(-10F, 10F);
Matrix4x4 value = Matrix4x4.TRS(new Vector3(ax, ay, az), Quaternion.Euler(new Vector3(bx, by, bz)), new Vector3(cx, cy, cz));
Matrix4x4d valued = Matrix4x4d.TRS(new Vector3d(ax, ay, az), Quaterniond.Euler(new Vector3d(bx, by, bz)), new Vector3d(cx, cy, cz));
Assert.True(Approximate(value, valued));
}
}
public static Matrix4x4d SetAxisAngle(Vector3d rotationAxis, double radians)
{
Matrix4x4d m = new Matrix4x4d();
double s, c;
double xx, yy, zz, xy, yz, zx, xs, ys, zs, one_c;
s = Math.Sin(radians);
c = Math.Cos(radians);
xx = rotationAxis.x * rotationAxis.x;
yy = rotationAxis.y * rotationAxis.y;
zz = rotationAxis.z * rotationAxis.z;
xy = rotationAxis.x * rotationAxis.y;
yz = rotationAxis.y * rotationAxis.z;
zx = rotationAxis.z * rotationAxis.x;
xs = rotationAxis.x * s;
ys = rotationAxis.y * s;
zs = rotationAxis.z * s;
one_c = 1 - c;
m[0, 0] = (one_c * xx) + c;
m[0, 1] = (one_c * xy) - zs;
m[0, 2] = (one_c * zx) + ys;
m[1, 0] = (one_c * xy) + zs;
m[1, 1] = (one_c * yy) + c;
m[1, 2] = (one_c * yz) - xs;
m[2, 0] = (one_c * zx) - ys;
m[2, 1] = (one_c * yz) + xs;
m[2, 2] = (one_c * zz) + c;
return(m);
}
/// <summary>
///
/// </summary>
protected virtual void SetScreenUniforms(TerrainNode node, TerrainQuad quad, MaterialPropertyBlock matPropertyBlock)
{
double ox = quad.Ox;
double oy = quad.Oy;
double l = quad.Length;
Vector3d p0 = new Vector3d(ox, oy, 0.0);
Vector3d p1 = new Vector3d(ox + l, oy, 0.0);
Vector3d p2 = new Vector3d(ox, oy + l, 0.0);
Vector3d p3 = new Vector3d(ox + l, oy + l, 0.0);
Matrix4x4d corners = new Matrix4x4d(p0.x, p1.x, p2.x, p3.x,
p0.y, p1.y, p2.y, p3.y,
p0.z, p1.z, p2.z, p3.z,
1.0, 1.0, 1.0, 1.0);
matPropertyBlock.SetMatrix(m_uniforms.screenQuadCorners, MathConverter.ToMatrix4x4(m_localToScreen * corners));
Matrix4x4d verticals = new Matrix4x4d(0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0,
1.0, 1.0, 1.0, 1.0,
0.0, 0.0, 0.0, 0.0);
matPropertyBlock.SetMatrix(m_uniforms.screenQuadVerticals, MathConverter.ToMatrix4x4(m_localToScreen * verticals));
}
void Start()
{
Matrix4x4d T, R;
double spacing = 0.125;
double radius = spacing;
double mass = 1.0;
System.Random rnd = new System.Random(0);
Vector3 min = new Vector3(-1, -1, -1);
Vector3 max = new Vector3(1, 1, 1);
Box3d bounds = new Box3d(min, max);
ParticlesFromBounds source = new ParticlesFromBounds(spacing, bounds);
T = Matrix4x4d.Translate(new Vector3d(0.0, 4.0, 0.0));
R = Matrix4x4d.Rotate(new Vector3d(0.0, 0.0, 25.0));
RidgidBody3d body = new RidgidBody3d(source, radius, mass, T * R);
body.Dampning = 1.0;
body.RandomizePositions(rnd, radius * 0.01);
Solver = new Solver3d();
Solver.AddBody(body);
Solver.AddForce(new GravitationalForce3d());
Solver.AddCollision(new PlanarCollision3d(Vector3.up, 0));
Solver.SolverIterations = 2;
Solver.CollisionIterations = 2;
Solver.SleepThreshold = 1;
CreateSpheres();
}
/// <summary>
/// Sets the shader uniforms that are necessary to project on screen the
/// TerrainQuad of the given TerrainNode. This method can set the uniforms
/// that are common to all the quads of the given terrain.
/// </summary>
public virtual void SetUniforms(TerrainNode node, Material mat)
{
if (mat == null || node == null)
{
return;
}
float d1 = node.SplitDist + 1.0f;
float d2 = 2.0f * node.SplitDist;
mat.SetVector(m_uniforms.blending, new Vector2(d1, d2 - d1));
m_localToCamera = node.View.WorldToCamera * node.LocalToWorld;
m_localToScreen = node.View.CameraToScreen * m_localToCamera;
Vector3d localCameraPos = node.LocalCameraPos;
Vector3d worldCamera = node.View.WorldCameraPos;
Matrix4x4d A = LocalToDeformedDifferential(localCameraPos);
Matrix4x4d B = DeformedToTangentFrame(worldCamera);
Matrix4x4d ltot = B * node.LocalToWorld * A;
m_localToTangent = new Matrix3x3d(ltot[0, 0], ltot[0, 1], ltot[0, 3],
ltot[1, 0], ltot[1, 1], ltot[1, 3],
ltot[3, 0], ltot[3, 1], ltot[3, 3]);
mat.SetMatrix(m_uniforms.localToScreen, MathConverter.ToMatrix4x4(m_localToScreen));
mat.SetMatrix(m_uniforms.localToWorld, MathConverter.ToMatrix4x4(node.LocalToWorld));
}
private static Matrix4x4d LookRotationToMatrix(Vector3d viewVec, Vector3d upVec)
{
Vector3d z = viewVec;
Matrix4x4d m = new Matrix4x4d();
double mag = Vector3d.Magnitude(z);
if (mag < 0)
{
m = Matrix4x4d.identity;
}
z /= mag;
Vector3d x = Vector3d.Cross(upVec, z);
mag = Vector3d.Magnitude(x);
if (mag < 0)
{
m = Matrix4x4d.identity;
}
x /= mag;
Vector3d y = Vector3d.Cross(z, x);
m[0, 0] = x.x; m[0, 1] = y.x; m[0, 2] = z.x;
m[1, 0] = x.y; m[1, 1] = y.y; m[1, 2] = z.y;
m[2, 0] = x.z; m[2, 1] = y.z; m[2, 2] = z.z;
return(m);
}
public Deformation()
{
m_uniforms = new Uniforms();
m_localToCamera = new Matrix4x4d();
m_localToScreen = new Matrix4x4d();
m_localToTangent = new Matrix3x3d();
}
private void CalculateMatrices(double ox, double oy, double length, double r)
{
var p0 = new Vector3d(ox, oy, r);
var p1 = new Vector3d(ox + length, oy, r);
var p2 = new Vector3d(ox, oy + length, r);
var p3 = new Vector3d(ox + length, oy + length, r);
Center = (p0 + p3) * 0.5;
double l0 = 0.0, l1 = 0.0, l2 = 0.0, l3 = 0.0;
var v0 = p0.Normalized(ref l0);
var v1 = p1.Normalized(ref l1);
var v2 = p2.Normalized(ref l2);
var v3 = p3.Normalized(ref l3);
Lengths = new Vector4d(l0, l1, l2, l3);
DeformedCorners = new Matrix4x4d(v0.x * r, v1.x * r, v2.x * r, v3.x * r,
v0.y * r, v1.y * r, v2.y * r, v3.y * r,
v0.z * r, v1.z * r, v2.z * r, v3.z * r,
1.0, 1.0, 1.0, 1.0);
DeformedVerticals = new Matrix4x4d(v0.x, v1.x, v2.x, v3.x,
v0.y, v1.y, v2.y, v3.y,
v0.z, v1.z, v2.z, v3.z,
0.0, 0.0, 0.0, 0.0);
var uz = Center.Normalized();
var ux = new Vector3d(0.0, 1.0, 0.0).Cross(uz).Normalized();
var uy = uz.Cross(ux);
TangentFrameToWorld = Owner.TangentFrameToWorld * new Matrix3x3d(ux.x, uy.x, uz.x, ux.y, uy.y, uz.y, ux.z, uy.z, uz.z);
}
protected virtual void SetScreenUniforms(TerrainNode node, TerrainQuad quad, MaterialPropertyBlock matPropertyBlock)
{
double ox = quad.GetOX();
double oy = quad.GetOY();
double l = quad.GetLength();
Vector3d2 p0 = new Vector3d2(ox, oy, 0.0);
Vector3d2 p1 = new Vector3d2(ox + l, oy, 0.0);
Vector3d2 p2 = new Vector3d2(ox, oy + l, 0.0);
Vector3d2 p3 = new Vector3d2(ox + l, oy + l, 0.0);
Matrix4x4d corners = new Matrix4x4d(p0.x, p1.x, p2.x, p3.x,
p0.y, p1.y, p2.y, p3.y,
p0.z, p1.z, p2.z, p3.z,
1.0, 1.0, 1.0, 1.0);
matPropertyBlock.AddMatrix(m_uniforms.screenQuadCorners, (m_localToScreen * corners).ToMatrix4x4());
Matrix4x4d verticals = new Matrix4x4d(0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0,
1.0, 1.0, 1.0, 1.0,
0.0, 0.0, 0.0, 0.0);
matPropertyBlock.AddMatrix(m_uniforms.screenQuadVerticals, (m_localToScreen * verticals).ToMatrix4x4());
}
public DeformationBase()
{
uniforms = new Uniforms();
localToCamera = new Matrix4x4d();
localToScreen = new Matrix4x4d();
localToTangent = new Matrix3x3d();
}
public FluidBoundary3d(ParticleSource source, double radius, double density, Matrix4x4d RTS)
{
ParticleRadius = radius;
Density = density;
CreateParticles(source, RTS);
CreateBoundryPsi();
}
public RidgidBody3d(ParticleSource source, double radius, double mass, Matrix4x4d RTS)
: base(source.NumParticles, radius, mass)
{
Stiffness = 1.0;
CreateParticles(source, RTS);
Constraints.Add(new ShapeMatchingConstraint3d(this, mass, Stiffness));
}
public void GetRow()
{
Matrix4x4d m = Indexed4x4();
Assert.AreEqual(new Vector4d(0, 4, 8, 12), m.GetRow(0));
Assert.AreEqual(new Vector4d(1, 5, 9, 13), m.GetRow(1));
Assert.AreEqual(new Vector4d(2, 6, 10, 14), m.GetRow(2));
Assert.AreEqual(new Vector4d(3, 7, 11, 15), m.GetRow(3));
}
private void RandomMatrix(ref Matrix4x4 matrix, ref Matrix4x4d matrixd)
{
for (int i = 0; i < 16; i++)
{
float temp = UnityEngine.Random.Range(-10F, 10F);
matrix[i] = temp;
matrixd[i] = temp;
}
}
public void GetColumn()
{
Matrix4x4d m = Indexed4x4();
Assert.AreEqual(new Vector4d(0, 1, 2, 3), m.GetColumn(0));
Assert.AreEqual(new Vector4d(4, 5, 6, 7), m.GetColumn(1));
Assert.AreEqual(new Vector4d(8, 9, 10, 11), m.GetColumn(2));
Assert.AreEqual(new Vector4d(12, 13, 14, 15), m.GetColumn(3));
}
public void TryInverse()
{
Matrix4x4d m = Random4x4(0);
Matrix4x4d inverse = Matrix4x4d.Identity;
m.TryInverse(ref inverse);
Assert.IsTrue((inverse * Random4x4(0)).EqualsWithError(Matrix4x4d.Identity, 1e-6f));
}
private void CreateParticles(ParticleSource source, Matrix4x4d RTS)
{
for (int i = 0; i < NumParticles; i++)
{
Vector4d pos = RTS * source.Positions[i].xyz1;
Positions[i] = new Vector3((float)pos.x, (float)pos.y, (float)pos.z);
Predicted[i] = Positions[i];
}
}
public static Matrix4x4d operator -(Matrix4x4d m1, Matrix4x4d m2)
{
Matrix4x4d kSum = new Matrix4x4d();
for (int iRow = 0; iRow < 4; iRow++) {
for (int iCol = 0; iCol < 4; iCol++) {
kSum.m[iRow,iCol] = m1.m[iRow,iCol] - m2.m[iRow,iCol];
}
}
return kSum;
}
public void CreatedFromArray()
{
double[] d = new double[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
Matrix4x4d m = new Matrix4x4d(d);
for (int i = 0; i < SIZE; i++)
{
Assert.AreEqual(i, m[i]);
}
}
public void CreatedFromSingleValue()
{
float v = 1.1234f;
Matrix4x4d m = new Matrix4x4d(v);
for (int i = 0; i < SIZE; i++)
{
Assert.AreEqual(v, m[i]);
}
}
public static Matrix4x4d ToMatrix4x4d(this Matrix4x4 m)
{
Matrix4x4d mat = new Matrix4x4d();
mat.m00 = m.m00; mat.m01 = m.m01; mat.m02 = m.m02; mat.m03 = m.m03;
mat.m10 = m.m10; mat.m11 = m.m11; mat.m12 = m.m12; mat.m13 = m.m13;
mat.m20 = m.m20; mat.m21 = m.m21; mat.m22 = m.m22; mat.m23 = m.m23;
mat.m30 = m.m30; mat.m31 = m.m31; mat.m32 = m.m32; mat.m33 = m.m33;
return(mat);
}
Matrix4x4d Indexed4x4()
{
Matrix4x4d m = new Matrix4x4d();
for (int i = 0; i < SIZE; i++)
{
m[i] = i;
}
return(m);
}
public static Matrix4x4 ToMatrix4x4(this Matrix4x4d m)
{
Matrix4x4 mat = new Matrix4x4();
mat.m00 = (float)m.m00; mat.m01 = (float)m.m01; mat.m02 = (float)m.m02; mat.m03 = (float)m.m03;
mat.m10 = (float)m.m10; mat.m11 = (float)m.m11; mat.m12 = (float)m.m12; mat.m13 = (float)m.m13;
mat.m20 = (float)m.m20; mat.m21 = (float)m.m21; mat.m22 = (float)m.m22; mat.m23 = (float)m.m23;
mat.m30 = (float)m.m30; mat.m31 = (float)m.m31; mat.m32 = (float)m.m32; mat.m33 = (float)m.m33;
return(mat);
}
public static Matrix4x4d operator *(Matrix4x4d m1, Matrix4x4d m2)
{
Matrix4x4d kProd = new Matrix4x4d();
for (int iRow = 0; iRow < 4; iRow++) {
for (int iCol = 0; iCol < 4; iCol++) {
kProd.m[iRow,iCol] = m1.m[iRow,0] * m2.m[0,iCol] +
m1.m[iRow,1] * m2.m[1,iCol] +
m1.m[iRow,2] * m2.m[2,iCol] +
m1.m[iRow,3] * m2.m[3,iCol];
}
}
return kProd;
}
static public Vector4d[] GetFrustumPlanes(Matrix4x4d mat)
{
//extract frustum planes from a projection matrix
Vector4d[] frustumPlanes = new Vector4d[6];
// Extract the LEFT plane
frustumPlanes[0] = new Vector4d();
frustumPlanes[0].x = mat.m[3,0] + mat.m[0,0];
frustumPlanes[0].y = mat.m[3,1] + mat.m[0,1];
frustumPlanes[0].z = mat.m[3,2] + mat.m[0,2];
frustumPlanes[0].w = mat.m[3,3] + mat.m[0,3];
// Extract the RIGHT plane
frustumPlanes[1] = new Vector4d();
frustumPlanes[1].x = mat.m[3,0] - mat.m[0,0];
frustumPlanes[1].y = mat.m[3,1] - mat.m[0,1];
frustumPlanes[1].z = mat.m[3,2] - mat.m[0,2];
frustumPlanes[1].w = mat.m[3,3] - mat.m[0,3];
// Extract the BOTTOM plane
frustumPlanes[2] = new Vector4d();
frustumPlanes[2].x = mat.m[3,0] + mat.m[1,0];
frustumPlanes[2].y = mat.m[3,1] + mat.m[1,1];
frustumPlanes[2].z = mat.m[3,2] + mat.m[1,2];
frustumPlanes[2].w = mat.m[3,3] + mat.m[1,3];
// Extract the TOP plane
frustumPlanes[3] = new Vector4d();
frustumPlanes[3].x = mat.m[3,0] - mat.m[1,0];
frustumPlanes[3].y = mat.m[3,1] - mat.m[1,1];
frustumPlanes[3].z = mat.m[3,2] - mat.m[1,2];
frustumPlanes[3].w = mat.m[3,3] - mat.m[1,3];
// Extract the NEAR plane
frustumPlanes[4] = new Vector4d();
frustumPlanes[4].x = mat.m[3,0] + mat.m[2,0];
frustumPlanes[4].y = mat.m[3,1] + mat.m[2,1];
frustumPlanes[4].z = mat.m[3,2] + mat.m[2,2];
frustumPlanes[4].w = mat.m[3,3] + mat.m[2,3];
// Extract the FAR plane
frustumPlanes[5] = new Vector4d();
frustumPlanes[5].x = mat.m[3,0] - mat.m[2,0];
frustumPlanes[5].y = mat.m[3,1] - mat.m[2,1];
frustumPlanes[5].z = mat.m[3,2] - mat.m[2,2];
frustumPlanes[5].w = mat.m[3,3] - mat.m[2,3];
return frustumPlanes;
}
public void updateStuff()
{
//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
// m_core.chosenCamera.ResetProjectionMatrix();
// m_core.chosenCamera.ResetWorldToCameraMatrix();
// Matrix4x4 ctol1 = m_core.chosenCamera.cameraToWorldMatrix;
Matrix4x4 ctol1 = m_manager.m_skyNode.farCamera.cameraToWorldMatrix;
//position relative to kerbin
// Vector3d tmp = (m_core.chosenCamera.transform.position) - m_manager.parentCelestialBody.transform.position;
Vector3d tmp = (m_manager.m_skyNode.farCamera.transform.position) - m_manager.parentCelestialBody.transform.position;
// print ("TMP");
// print (tmp);
// print (tmp.magnitude);
Vector3d2 cl = new Vector3d2 ();
// cl.x = tmp.x;
// cl.y = tmp.y;
// cl.z = tmp.z;
// Matrix4x4d cameraToWorld = 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);
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);
// Matrix4x4d cameraToWorld = new Matrix4x4d (0,0.906534175092856, 0.422132431102747, 6365631.33384793,
// -0.997188818006091 , 0.0316302600890084, -0.0679263416526804, -906.151431945729,
// 0.0749297086849734,0.420945740013386,-0.903985742542972,-12059.3565785169,
// 0,0,0,1);
//Vector3d planetPos = m_manager.parentCelestialBody.transform.position;
Matrix4x4d worldToLocal = new Matrix4x4d (m_manager.parentCelestialBody.transform.worldToLocalMatrix);
Vector4 translation = m_manager.parentCelestialBody.transform.worldToLocalMatrix.inverse.GetColumn (3);
Matrix4x4d worldToLocal2 = new Matrix4x4d (1, 0, 0, -translation.x,
0, 1, 0, -translation.y,
0, 0, 1, -translation.z,
0, 0, 0, 1);
// print ("translation");
// print (translation);
//Matrix4x4d camToLocal = cameraToWorld.Inverse ();// * worldToLocal.Inverse();
Matrix4x4d camToLocal = worldToLocal2 * cameraToWorld;
// Matrix4x4d camToLocal = ModifiedWorldToCameraMatrix ();
// Matrix4x4d camToLocal = cameraToWorld ;
// print ("WORLD TO LOCAL");
// print (worldToLocal);
// print ("CAM T O LOCAL");
// print (camToLocal);
//cl = camToLocal * Vector3d2.Zero ();
/*Vector3d2*/ cl = camToLocal * Vector3d2.Zero ();
// print ("CL");
// print (cl);
// print (cl.Magnitude ());
// camera in local space relative to planet's origin
double radius = m_manager.GetRadius ();
m_drawOcean = true;
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
// h = cl.Magnitude() - radius;
// print ("h=");
// print (h);
// h = cl.Magnitude();
// Vector3d tmp2=m_core.chosenCamera.transform.position-m_manager.parentCelestialBody.transform.position;
oo = uz * (radius); // origin of ocean frame, in local space
// oo = uz;
// oo.x = oo.x;
// oo.y = oo.y;
// oo.z = oo.z;
//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;
// cameraToOcean = cameraToOcean.Inverse ();
// Matrix4x4d cameraToOcean = OceanToWorld.Inverse() * cameraToWorld;
Vector3d2 delta=new Vector3d2(0,0,0);
if (m_oldlocalToOcean != Matrix4x4d.Identity())
{
/*Vector3d2 */delta = localToOcean * (m_oldlocalToOcean.Inverse() * Vector3d2.Zero());
m_offset += delta;
}
m_oldlocalToOcean = localToOcean;
Matrix4x4d ctos = ModifiedProjectionMatrix (m_manager.m_skyNode.farCamera);
Matrix4x4d stoc = ctos.Inverse();
// Matrix4x4d stoc = new Matrix4x4d (1.23614492203479, 0, 0, 0,
// 0, 0.577350279552042, 0, 0,
// 0, 0, 0, -1,
// 0, 0, -0.000249974703487648, 0.000249974763086261);
// print ("STOC");
// print (stoc);
// Matrix4x4d stoc = Matrix4x4d.Identity();
// Matrix4x4 p = camera.projectionMatrix;
//
// m_cameraToScreenMatrix = new Matrix4x4d(p);
// m_screenToCameraMatrix = m_cameraToScreenMatrix.Inverse();
// Matrix4x4d stoc = new Matrix4x4d(3.57253843540205,0,0,0,
// 0,3.577350279552042,0,0,
// 0,0,0,-2,
// 0,0,-0.00178426976276966,0.00178426997547119);
Vector3d2 oc = cameraToOcean * Vector3d2.Zero();
// h = tmp2.magnitude - radius;
h = oc.z;
// print ("oc.z");
// print (h);
// print ("h=");
// print (h);
// print ("tmp2.magnitude - radius");
// print (tmp2.magnitude - radius);
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);
// print ("offset");
// print (offset);
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;
m_oceanMaterial.SetVector("_Ocean_SunDir", oceanSunDir.ToVector3());
m_oceanMaterial.SetVector("_Ocean_Horizon1", horizon1.ToVector3());
m_oceanMaterial.SetVector("_Ocean_Horizon2", horizon2.ToVector3());
m_oceanMaterial.SetMatrix("_Ocean_CameraToOcean", cameraToOcean.ToMatrix4x4());
m_oceanMaterial.SetMatrix("_Ocean_OceanToCamera", cameraToOcean.Inverse().ToMatrix4x4());
m_oceanMaterial.SetMatrix ("_Globals_CameraToScreen", ctos.ToMatrix4x4 ());
m_oceanMaterial.SetMatrix ("_Globals_ScreenToCamera", stoc.ToMatrix4x4 ());
m_oceanMaterial.SetVector("_Ocean_CameraPos", offset.ToVector3());
m_oceanMaterial.SetVector("_Ocean_Color", m_oceanUpwellingColor * 0.1f);
m_oceanMaterial.SetVector("_Ocean_ScreenGridSize", new Vector2((float)m_resolution / (float)Screen.width, (float)m_resolution / (float)Screen.height));
m_oceanMaterial.SetFloat("_Ocean_Radius", (float)radius);
m_oceanMaterial.SetFloat("scale", 1);
m_manager.GetSkyNode().SetOceanUniforms(m_oceanMaterial);
}
public Matrix4x4d Transpose()
{
Matrix4x4d kTranspose = new Matrix4x4d();
for (int iRow = 0; iRow < 4; iRow++) {
for (int iCol = 0; iCol < 4; iCol++) {
kTranspose.m[iRow,iCol] = m[iCol,iRow];
}
}
return kTranspose;
}
public static Matrix4x4d operator *(Matrix4x4d m, double s)
{
Matrix4x4d kProd = new Matrix4x4d();
for (int iRow = 0; iRow < 4; iRow++) {
for (int iCol = 0; iCol < 4; iCol++) {
kProd.m[iRow,iCol] = m.m[iRow,iCol] * s;
}
}
return kProd;
}
/*
* 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();
}
// Use this for initialization
protected virtual void Start()
{
m_worldToCameraMatrix = Matrix4x4d.Identity();
m_cameraToWorldMatrix = Matrix4x4d.Identity();
m_cameraToScreenMatrix = Matrix4x4d.Identity();
m_screenToCameraMatrix = Matrix4x4d.Identity();
m_worldCameraPos = new Vector3d2();
m_cameraDir = new Vector3d2();
m_worldPos = new Vector3d2();
Constrain();
}
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);
}
/*
* 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();
}
/**
* Sets the shader uniforms that are necessary to project on screen the
* TerrainQuad of the given TerrainNode. This method can set the uniforms
* that are common to all the quads of the given terrain.
*/
public virtual void SetUniforms(TerrainNode node, Material mat)
{
if(mat == null || node == null) return;
float d1 = node.GetSplitDist() + 1.0f;
float d2 = 2.0f * node.GetSplitDist();
mat.SetVector(m_uniforms.blending, new Vector2(d1, d2 - d1));
m_localToCamera = node.GetView().GetWorldToCamera() * node.GetLocalToWorld();
m_localToScreen = node.GetView().GetCameraToScreen() * m_localToCamera;
Vector3d2 localCameraPos = node.GetLocalCameraPos();
Vector3d2 worldCamera = node.GetView().GetWorldCameraPos();
Matrix4x4d A = LocalToDeformedDifferential(localCameraPos);
Matrix4x4d B = DeformedToTangentFrame(worldCamera);
Matrix4x4d ltot = B * node.GetLocalToWorld() * A;
m_localToTangent = new Matrix3x3d( ltot.m[0,0], ltot.m[0,1], ltot.m[0,3],
ltot.m[1,0], ltot.m[1,1], ltot.m[1,3],
ltot.m[3,0], ltot.m[3,1], ltot.m[3,3]);
mat.SetMatrix(m_uniforms.localToScreen, m_localToScreen.ToMatrix4x4());
mat.SetMatrix(m_uniforms.localToWorld, node.GetLocalToWorld().ToMatrix4x4());
}
protected virtual void SetScreenUniforms(TerrainNode node, TerrainQuad quad, MaterialPropertyBlock matPropertyBlock)
{
double ox = quad.GetOX();
double oy = quad.GetOY();
double l = quad.GetLength();
Vector3d2 p0 = new Vector3d2(ox, oy, 0.0);
Vector3d2 p1 = new Vector3d2(ox + l, oy, 0.0);
Vector3d2 p2 = new Vector3d2(ox, oy + l, 0.0);
Vector3d2 p3 = new Vector3d2(ox + l, oy + l, 0.0);
Matrix4x4d corners = new Matrix4x4d(p0.x, p1.x, p2.x, p3.x,
p0.y, p1.y, p2.y, p3.y,
p0.z, p1.z, p2.z, p3.z,
1.0, 1.0, 1.0, 1.0);
matPropertyBlock.AddMatrix(m_uniforms.screenQuadCorners, (m_localToScreen * corners).ToMatrix4x4());
Matrix4x4d verticals = new Matrix4x4d( 0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0,
1.0, 1.0, 1.0, 1.0,
0.0, 0.0, 0.0, 0.0);
matPropertyBlock.AddMatrix(m_uniforms.screenQuadVerticals, (m_localToScreen * verticals).ToMatrix4x4());
}
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 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);
// }
}
public Matrix4x4d(Matrix4x4d m)
{
System.Array.Copy(m.m, this.m, 16);
}
// Use this for initialization
public virtual void Start()
{
// base.Start();
m_cameraToWorldMatrix = Matrix4x4d.Identity();
m_oceanMaterial=new Material(ShaderTool.GetMatFromShader2("CompiledOceanWhiteCaps.shader"));
m_manager.GetSkyNode().InitUniforms(m_oceanMaterial);
m_oldlocalToOcean = Matrix4x4d.Identity();
m_oldworldToOcean = Matrix4x4d.Identity();
m_offset = Vector3d2.Zero();
//Create the projected grid. The resolution is the size in pixels
//of each square in the grid. If the squares are small the size of
//the mesh will exceed the max verts for a mesh in Unity. In this case
//split the mesh up into smaller meshes.
m_resolution = Mathf.Max(1, m_resolution);
//The number of squares in the grid on the x and y axis
int NX = Screen.width / m_resolution;
int NY = Screen.height / m_resolution;
numGrids = 1;
const int MAX_VERTS = 65000;
//The number of meshes need to make a grid of this resolution
if(NX*NY > MAX_VERTS)
{
numGrids += (NX*NY) / MAX_VERTS;
}
m_screenGrids = new Mesh[numGrids];
waterGameObjects = new GameObject[numGrids];
waterMeshRenderers = new MeshRenderer[numGrids];
waterMeshFilters = new MeshFilter[numGrids];
//Make the meshes. The end product will be a grid of verts that cover
//the screen on the x and y axis with the z depth at 0. This grid is then
//projected as the ocean by the shader
for(int i = 0; i < numGrids; i++)
{
NY = Screen.height / numGrids / m_resolution;
m_screenGrids[i] = MakePlane(NX, NY, (float)i / (float)numGrids, 1.0f / (float)numGrids);
m_screenGrids[i].bounds = new Bounds(Vector3.zero, new Vector3(1e8f, 1e8f, 1e8f));
waterGameObjects[i] = new GameObject();
waterGameObjects[i].transform.parent=m_manager.parentCelestialBody.transform;
waterMeshFilters[i] = waterGameObjects[i].AddComponent<MeshFilter>();
waterMeshFilters[i].mesh.Clear ();
waterMeshFilters[i].mesh = m_screenGrids[i];
//
waterGameObjects[i].layer = 15;
// celestialTransform = ScaledSpace.Instance.scaledSpaceTransforms.Single(t => t.name == parentCelestialBody.name);
// // tester.transform.parent = parentCelestialBody.transform;
// tester.transform.parent = celestialTransform;
waterMeshRenderers[i] = waterGameObjects[i].AddComponent<MeshRenderer>();
// InitUniforms (m_skyMaterialScaled);
// SetUniforms(m_skyMaterialScaled);
waterMeshRenderers[i].sharedMaterial = m_oceanMaterial;
waterMeshRenderers[i].material =m_oceanMaterial;
waterMeshRenderers[i].castShadows = false;
waterMeshRenderers[i].receiveShadows = false;
waterMeshRenderers[i].enabled=true;
//waterMeshRenderers[i].isVisible=true;
}
}
public Matrix4x4d ModifiedProjectionMatrix (Camera inCam)
{
/*
// float h = (float)(GetHeight() - m_groundHeight);
// camera.nearClipPlane = 0.1f * h;
// camera.farClipPlane = 1e6f * h;
// inCam.ResetProjectionMatrix();
Matrix4x4 p = inCam.projectionMatrix;
// bool d3d = SystemInfo.graphicsDeviceVersion.IndexOf("Direct3D") > -1;
// if(d3d)
// {
// if(inCam.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;
// }
// }
Matrix4x4d m_cameraToScreenMatrix = new Matrix4x4d(p);
inCam.projectionMatrix = m_cameraToScreenMatrix.ToMatrix4x4(); */
Matrix4x4 p;
// if (debugSettings [2])
// if(!MapView.MapIsEnabled)
// {
// float tmpNearclip = inCam.nearClipPlane;
// float tmpFarclip = inCam.farClipPlane;
//
// inCam.nearClipPlane = m_manager.m_skyNode.oceanNearPlane;
// inCam.farClipPlane = m_manager.m_skyNode.oceanFarPlane;
// float h = (float)(GetHeight() - m_groundHeight);
// m_manager.GetCore ().chosenCamera.nearClipPlane = 0.1f * (alt - m_radius);
// m_manager.GetCore ().chosenCamera.farClipPlane = 1e6f * (alt - m_radius);
p = inCam.projectionMatrix;
{
// 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];
// }
// }
//if OpenGL isn't detected
// Scale and bias depth range
if (!m_core.opengl)
for (int i = 0; i < 4; i++) {
p [2, i] = p [2, i] * 0.5f + p [3, i] * 0.5f;
}
}
// p = scaledSpaceCamera.projectionMatrix;
// inCam.nearClipPlane=tmpNearclip;
// inCam.farClipPlane=tmpFarclip;
// p = scaledSpaceCamera.projectionMatrix;
// }
// else
// {
// p = scaledSpaceCamera.projectionMatrix;
// }
Matrix4x4d m_cameraToScreenMatrix = new Matrix4x4d (p);
return m_cameraToScreenMatrix;
}
protected override void SetWorldToCameraMatrix()
{
double co = Math.Cos(m_position.x0); // x0 = longitude
double so = Math.Sin(m_position.x0);
double ca = Math.Cos(m_position.y0); // y0 = latitude
double sa = Math.Sin(m_position.y0);
Vector3d2 po = new Vector3d2(co*ca, so*ca, sa) * m_radius;
Vector3d2 px = new Vector3d2(-so, co, 0.0);
Vector3d2 py = new Vector3d2(-co*sa, -so*sa, ca);
Vector3d2 pz = new Vector3d2(co*ca, so*ca, sa);
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.Magnitude() < m_radius + 10.0 + m_groundHeight) {
m_worldPos = m_worldPos.Normalized(m_radius + 10.0 + m_groundHeight);
}
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);
//Flip first row to match Unitys winding order.
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();
}
//Static Function
static public Matrix4x4d ToMatrix4x4d(Matrix4x4 matf)
{
Matrix4x4d mat = new Matrix4x4d();
mat.m[0,0] = matf.m00; mat.m[0,1] = matf.m01; mat.m[0,2] = matf.m02; mat.m[0,3] = matf.m03;
mat.m[1,0] = matf.m10; mat.m[1,1] = matf.m11; mat.m[1,2] = matf.m12; mat.m[1,3] = matf.m13;
mat.m[2,0] = matf.m20; mat.m[2,1] = matf.m21; mat.m[2,2] = matf.m22; mat.m[2,3] = matf.m23;
mat.m[3,0] = matf.m30; mat.m[3,1] = matf.m31; mat.m[3,2] = matf.m32; mat.m[3,3] = matf.m33;
return mat;
}
// Use this for initialization
public virtual void Start ()
{
m_cameraToWorldMatrix = Matrix4x4d.Identity ();
//using different materials for both the far and near cameras because they have different projection matrixes
//the projection matrix in the shader has to match that of the camera or the projection will be wrong and the ocean will
//appear to "shift around"
m_oceanMaterialNear = new Material (ShaderTool.GetMatFromShader2 ("CompiledOceanWhiteCaps.shader"));
m_oceanMaterialFar = new Material (ShaderTool.GetMatFromShader2 ("CompiledOceanWhiteCaps.shader"));
m_manager.GetSkyNode ().InitUniforms (m_oceanMaterialNear);
m_manager.GetSkyNode ().InitUniforms (m_oceanMaterialFar);
m_oldlocalToOcean = Matrix4x4d.Identity ();
m_oldworldToOcean = Matrix4x4d.Identity ();
m_offset = Vector3d2.Zero ();
//Create the projected grid. The resolution is the size in pixels
//of each square in the grid. If the squares are small the size of
//the mesh will exceed the max verts for a mesh in Unity. In this case
//split the mesh up into smaller meshes.
m_resolution = Mathf.Max (1, m_resolution);
//The number of squares in the grid on the x and y axis
int NX = Screen.width / m_resolution;
int NY = Screen.height / m_resolution;
numGrids = 1;
// const int MAX_VERTS = 65000;
//The number of meshes need to make a grid of this resolution
if (NX * NY > MAX_VERTS) {
numGrids += (NX * NY) / MAX_VERTS;
}
m_screenGrids = new Mesh[numGrids];
// waterGameObjectsNear = new GameObject[numGrids];
// waterMeshRenderersNear = new MeshRenderer[numGrids];
// waterMeshFiltersNear = new MeshFilter[numGrids];
//
// waterGameObjectsFar = new GameObject[numGrids];
// waterMeshRenderersFar = new MeshRenderer[numGrids];
// waterMeshFiltersFar = new MeshFilter[numGrids];
//Make the meshes. The end product will be a grid of verts that cover
//the screen on the x and y axis with the z depth at 0. This grid is then
//projected as the ocean by the shader
for (int i = 0; i < numGrids; i++) {
NY = Screen.height / numGrids / m_resolution;
m_screenGrids [i] = MakePlane (NX, NY, (float)i / (float)numGrids, 1.0f / (float)numGrids);
m_screenGrids [i].bounds = new Bounds (Vector3.zero, new Vector3 (1e8f, 1e8f, 1e8f));
//bad idea, the meshes still render arbitrarily to the near and far camera and end up drawing over everything
//to get around this I use drawmesh further down
//seems to have better performance also
// waterGameObjectsNear[i] = new GameObject();
// waterGameObjectsNear[i].transform.parent=m_manager.parentCelestialBody.transform;
// waterMeshFiltersNear[i] = waterGameObjectsNear[i].AddComponent<MeshFilter>();
// waterMeshFiltersNear[i].mesh.Clear ();
// waterMeshFiltersNear[i].mesh = m_screenGrids[i];
// waterGameObjectsNear[i].layer = 15;
//
// waterMeshRenderersNear[i] = waterGameObjectsNear[i].AddComponent<MeshRenderer>();
//
// waterMeshRenderersNear[i].sharedMaterial = m_oceanMaterialNear;
// waterMeshRenderersNear[i].material =m_oceanMaterialNear;
//
// waterMeshRenderersNear[i].castShadows = false;
// waterMeshRenderersNear[i].receiveShadows = false;
//
// waterMeshRenderersNear[i].enabled=true;
//
//
// waterGameObjectsFar[i] = new GameObject();
// waterGameObjectsFar[i].transform.parent=m_manager.parentCelestialBody.transform;
// waterMeshFiltersFar[i] = waterGameObjectsFar[i].AddComponent<MeshFilter>();
// waterMeshFiltersFar[i].mesh.Clear ();
// waterMeshFiltersFar[i].mesh = m_screenGrids[i];
// waterGameObjectsFar[i].layer = 15;
//
// waterMeshRenderersFar[i] = waterGameObjectsFar[i].AddComponent<MeshRenderer>();
//
// waterMeshRenderersFar[i].sharedMaterial = m_oceanMaterialFar;
// waterMeshRenderersFar[i].material =m_oceanMaterialFar;
//
// waterMeshRenderersFar[i].castShadows = false;
// waterMeshRenderersFar[i].receiveShadows = false;
//
// waterMeshRenderersFar[i].enabled=true;
}
// PQS pqs = m_manager.parentCelestialBody.pqsController;
//
// if (pqs.ChildSpheres[0])
// UnityEngine.Object.Destroy (pqs.ChildSpheres [0]);
// if (ocean)
// {
// UnityEngine.Object.Destroy (ocean);
// }
// Debug.Log("PQS.childspheres count"+pqs.ChildSpheres.Length);
// PQS pqs = m_manager.parentCelestialBody.pqsController;
// if (pqs.ChildSpheres [0]) {
// ocean = pqs.ChildSpheres [0];
// // ocean.surfaceMaterial = new Material (ShaderTool.GetMatFromShader2 ("EmptyShader.shader"));
//
// ///Thanks to rbray89 for this snippet that disables the stock ocean in a clean way
// GameObject container = ocean.gameObject;
//
// FakeOceanPQS fakeOcean1 = new GameObject ().AddComponent<FakeOceanPQS> ();
//
// fakeOcean1.CloneFrom (ocean);
// Destroy (ocean);
//
// FakeOceanPQS fakeOcean = container.AddComponent<FakeOceanPQS> ();
// fakeOcean.CloneFrom (fakeOcean1);
//
// Destroy (fakeOcean1);
//
// FieldInfo field = typeof(PQS).GetFields (BindingFlags.Instance | BindingFlags.NonPublic).First (
// f => f.FieldType == typeof(PQS[]));
// field.SetValue (pqs, new PQS[] {fakeOcean });
//
// PQSMod_CelestialBodyTransform cbt = pqs.GetComponentsInChildren<PQSMod_CelestialBodyTransform> () [0];
// cbt.secondaryFades = new PQSMod_CelestialBodyTransform.AltitudeFade[] { };
// }
// fakeOceanMesh = isosphere.Create (m_manager.GetRadius());
//
//
// fakeOcean = new GameObject ();
// fakeOceanMF = fakeOcean.AddComponent<MeshFilter>();
// fakeOceanMF.mesh = fakeOceanMesh;
// fakeOcean.layer = 15;
//
//
// fakeOcean.transform.parent = m_manager.parentCelestialBody.transform;
//
// fakeOceanMR = fakeOcean.AddComponent<MeshRenderer>();
//
// newMat = new Material (ShaderTool.GetMatFromShader2 ("BlackShader.shader"));
// fakeOceanMR.sharedMaterial = newMat;
// fakeOceanMR.material =newMat;
//
// fakeOceanMR.castShadows = false;
// fakeOceanMR.receiveShadows = false;
}
protected override void SetScreenUniforms(TerrainNode node, TerrainQuad quad, MaterialPropertyBlock matPropertyBlock)
{
double ox = quad.GetOX();
double oy = quad.GetOY();
double l = quad.GetLength();
Vector3d2 p0 = new Vector3d2(ox, oy, R);
Vector3d2 p1 = new Vector3d2(ox + l, oy, R);
Vector3d2 p2 = new Vector3d2(ox, oy + l, R);
Vector3d2 p3 = new Vector3d2(ox + l, oy + l, R);
Vector3d2 pc = (p0 + p3) * 0.5;
double l0 = 0.0, l1 = 0.0, l2 = 0.0, l3 = 0.0;
Vector3d2 v0 = p0.Normalized(ref l0);
Vector3d2 v1 = p1.Normalized(ref l1);
Vector3d2 v2 = p2.Normalized(ref l2);
Vector3d2 v3 = p3.Normalized(ref l3);
Matrix4x4d deformedCorners = new Matrix4x4d(v0.x * R, v1.x * R, v2.x * R, v3.x * R,
v0.y * R, v1.y * R, v2.y * R, v3.y * R,
v0.z * R, v1.z * R, v2.z * R, v3.z * R,
1.0, 1.0, 1.0, 1.0);
matPropertyBlock.AddMatrix(m_uniforms.screenQuadCorners, (m_localToScreen * deformedCorners).ToMatrix4x4());
Matrix4x4d deformedVerticals = new Matrix4x4d( v0.x, v1.x, v2.x, v3.x,
v0.y, v1.y, v2.y, v3.y,
v0.z, v1.z, v2.z, v3.z,
0.0, 0.0, 0.0, 0.0);
matPropertyBlock.AddMatrix(m_uniforms.screenQuadVerticals, (m_localToScreen * deformedVerticals).ToMatrix4x4());
matPropertyBlock.AddVector(m_uniforms.screenQuadCornerNorms, new Vector4((float)l0, (float)l1, (float)l2, (float)l3));
Vector3d2 uz = pc.Normalized();
Vector3d2 ux = (new Vector3d2(0,1,0)).Cross(uz).Normalized();
Vector3d2 uy = uz.Cross(ux);
Matrix4x4d ltow = node.GetLocalToWorld();
Matrix3x3d tangentFrameToWorld = new Matrix3x3d(ltow.m[0,0], ltow.m[0,1], ltow.m[0,2],
ltow.m[1,0], ltow.m[1,1], ltow.m[1,2],
ltow.m[2,0], ltow.m[2,1], ltow.m[2,2]);
Matrix3x3d m = new Matrix3x3d( ux.x, uy.x, uz.x,
ux.y, uy.y, uz.y,
ux.z, uy.z, uz.z);
matPropertyBlock.AddMatrix(m_uniforms.tangentFrameToWorld, (tangentFrameToWorld * m).ToMatrix4x4());
}
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 Matrix4x4d ModifiedWorldToCameraMatrix()
{
// Vector3d po = new Vector3d(m_position.x0, m_position.y0, 0.0);
Vector3d px = new Vector3d(1.0, 0.0, 0.0); //
Vector3d py = new Vector3d(0.0, 1.0, 0.0); //
Vector3d pz = new Vector3d(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); //
double ct = Math.Cos(theta); //
double st = Math.Sin(theta); //
double cp = Math.Cos(phi); //
double sp = Math.Sin(phi); //
Vector3d cx = px * cp + py * sp;
Vector3d cy = (px*-1.0) * sp*ct + py * cp*ct + pz * st;
Vector3d cz = px * sp*st - py * cp*st + pz * ct;
// m_worldPos = po + cz * m_position.distance;
// Vector3 m_worldPos = m_manager.parentCelestialBody.transform.position -m_core.chosenCamera.transform.position ;
Vector3 m_worldPos = m_manager.parentCelestialBody.transform.position -m_manager.m_skyNode.farCamera.transform.position ;
// 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);
Matrix4x4d m_worldToCameraMatrix = view * Matrix4x4d.Translate(m_worldPos * -1.0f);
if (m_core.debugSettings[0])
m_worldToCameraMatrix.m[0,0] *= -1.0;
else
m_worldToCameraMatrix.m[0,0] *= 1.0;
if (m_core.debugSettings[1])
m_worldToCameraMatrix.m[0,1] *= -1.0;
else
m_worldToCameraMatrix.m[0,1] *= 1.0;
if (m_core.debugSettings[2])
m_worldToCameraMatrix.m[0,2] *= -1.0;
else
m_worldToCameraMatrix.m[0,2] *= 1.0;
if (m_core.debugSettings[3])
m_worldToCameraMatrix.m[0,3] *= -1.0;
else
m_worldToCameraMatrix.m[0,3] *= 1.0;
return m_worldToCameraMatrix;
// m_cameraToWorldMatrix = m_worldToCameraMatrix.Inverse();
// camera.worldToCameraMatrix = m_worldToCameraMatrix.ToMatrix4x4();
// camera.transform.position = m_worldPos.ToVector3();
}
