public static void Draw(RenderTargetView rtv, DepthStencilView dsv, bool renderReflection)
{
//if (previousTheta != Theta || previousPhi != fPhi)
if (!renderReflection)
{
UpdateMieRayleighTextures(rtv, dsv);
}
SunColor = GetSunColor(-Theta, 2);
Shader scatterEffect = WorldData.GetObject("scatter.fx") as Shader;
if (scatterEffect == null)
{
return;
}
EffectTechnique tech = scatterEffect.EffectObj.GetTechniqueByName("Render");
if (renderReflection)
{
tech = scatterEffect.EffectObj.GetTechniqueByName("RenderReflection");
}
Game.Device.InputAssembler.SetPrimitiveTopology(PrimitiveTopology.TriangleList);
Game.Device.InputAssembler.SetIndexBuffer(domeIndices, Format.R16_UInt, 0);
Game.Device.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(domeVerts, 20, 0));
EffectPass p1 = tech.GetPassByIndex(0);
InputLayout layout = ShaderHelper.ConstructInputLayout(MeshInputElements10.PosTex, p1.Description.Signature);
Game.Device.InputAssembler.SetInputLayout(layout);
scatterEffect.GetVar("cameraPosition").AsVector().Set(new Vector4(Camera.Position, 1));
scatterEffect.GetVar("txMie").AsResource().SetResource(mieRT.srv);
scatterEffect.GetVar("txRayleigh").AsResource().SetResource(rayleighRT.srv);
if (renderReflection)
{
scatterEffect.GetVar("WorldViewProjection").AsMatrix().SetMatrix(Matrix.Scaling(1, -1, 1) * Matrix.Translation(Camera.Position) * Camera.ViewMatrix * Camera.ProjectionMatrix);
}
else
{
scatterEffect.GetVar("WorldViewProjection").AsMatrix().SetMatrix(Matrix.Translation(Camera.Position) * Camera.ViewMatrix * Camera.ProjectionMatrix);
}
scatterEffect.GetVar("v3SunDir").AsVector().Set(-LightDirection);
if (settings != null && settings.SkySettings != null)
{
scatterEffect.GetVar("NumSamples").AsScalar().Set(settings.SkySettings.NumSamples);
scatterEffect.GetVar("fExposure").AsScalar().Set(settings.SkySettings.Exposure);
}
scatterEffect.GetVar("StarsTex").AsResource().SetResource(starsTex);
if (Theta < Math.PI / 2.0f || Theta > 3.0f * Math.PI / 2.0f)
{
scatterEffect.GetVar("starIntensity").AsScalar().Set((float)Math.Abs(Math.Sin(Theta + (float)Math.PI / 2.0f)));
}
else
{
scatterEffect.GetVar("starIntensity").AsScalar().Set(0.0f);
}
p1.Apply();
Game.Device.DrawIndexed(DISize * 3, 0, 0);
UnbindMRT(tech, scatterEffect.GetVar("txMie").AsResource(), scatterEffect.GetVar("txRayleigh").AsResource());
if (!renderReflection)
{
DrawMoon();
}
if (!renderReflection)
{
DrawClouds(renderReflection);
}
if (!renderReflection)
{
lensFlare.Draw();
}
previousTheta = Theta;
previousPhi = fPhi;
if (!renderReflection)
{
Rain.RenderParticles();
Snow.RenderParticles();
}
}