private bool RenderRefractionToTexture()
{
// Setup a clipping plane based on the height of the water to clip everything above it to create a refraction.
Vector4 clipPlane = new Vector4(0.0f, -1.0f, 0.0f, WaterModel.WaterHeight + 0.1f);
// Set the render target to be the refraction render to texture.
RefractionTexture.SetRenderTarget(D3D.DeviceContext);
// Clear the refraction render to texture.
RefractionTexture.ClearRenderTarget(D3D.DeviceContext, 0.0f, 0.0f, 0.0f, 1.0f);
// Generate the view matrix based on the camera's position.
Camera.Render();
// Get the matrices from the camera and d3d objects.
Matrix worldMatrix = D3D.WorldMatrix;
Matrix viewMatrix = Camera.ViewMatrix;
Matrix projectionMatrix = D3D.ProjectionMatrix;
// Render the terrain using the reflection shader and the refraction clip plane to produce the refraction effect.
TerrainModel.Render(D3D.DeviceContext);
if (!ReflectionShader.Render(D3D.DeviceContext, TerrainModel.IndexCount, worldMatrix, viewMatrix, projectionMatrix, TerrainModel.ColorTexture.TextureResource, TerrainModel.NormalMapTexture.TextureResource, Light.DiffuseColour, Light.Direction, 2.0f, clipPlane))
{
return(false);
}
// Reset the render target back to the original back buffer and not the render to texture anymore.
D3D.SetBackBufferRenderTarget();
// Reset the viewport back to the original.
D3D.ResetViewPort();
return(true);
}
public void Shutdown()
{
// Release the position object.
Position = null;
// Release the light object.
Light = null;
// Release the fps object.
FPS = null;
// Release the camera object.
Camera = null;
// Release the text object.
Text?.Shutdown();
Text = null;
// Release the cpu object.
CPU?.Shutdown();
CPU = null;
// Release the water shader object.
WaterShader?.ShutDown();
WaterShader = null;
// Release the water object.
WaterModel?.ShutDown();
WaterModel = null;
// Release the reflection shader object.
ReflectionShader?.ShutDown();
ReflectionShader = null;
// Release the reflection render to texture object.
ReflectionTexture?.Shutdown();
ReflectionTexture = null;
// Release the refraction render to texture object.
RefractionTexture?.Shutdown();
RefractionTexture = null;
// Release the sky plane shader object.
SkyPlaneShader?.ShutDown();
SkyPlaneShader = null;
// Release the sky plane object.
SkyPlane?.ShurDown();
SkyPlane = null;
// Release the sky dome shader object.
SkyDomeShader?.ShutDown();
SkyDomeShader = null;
// Release the sky dome object.
SkyDome?.ShutDown();
SkyDome = null;
// Release the terrain shader object.
TerrainShader?.ShutDown();
TerrainShader = null;
// Release the tree object.
TerrainModel?.ShutDown();
TerrainModel = null;
// Release the input object.
Input?.Shutdown();
Input = null;
// Release the Direct3D object.
D3D?.ShutDown();
D3D = null;
}
protected override void setFramebuffers()
{
/*Create 2 framebuffers :
* 1 - for reflection
* 2 - for refraction*/
base.genFramebuffers(2);
base.bindFramebuffer(1);
base.attachTextureToFramebuffer(FramebufferAttachment.ColorAttachment0, ReflectionTexture.GetTextureDescriptor());
base.bindFramebuffer(2);
base.attachTextureToFramebuffer(FramebufferAttachment.ColorAttachment0, RefractionTexture.GetTextureDescriptor());
base.attachTextureToFramebuffer(FramebufferAttachment.DepthStencilAttachment, DepthTexture.GetTextureDescriptor());
}
