public WaterSurface(
GraphicsDevice graphicsDevice,
InitInfo initInfo)
{
Effect = new VisionEffect(initInfo.Fx, graphicsDevice.SamplerStates.LinearClamp)
{
SunlightDirection = VisionContent.SunlightDirection - new Vector3(0, VisionContent.SunlightDirection.Y/2, 0)
};
_waveBumpMapVelocity0 = initInfo.waveBumpMapVelocity0;
_waveBumpMapVelocity1 = initInfo.waveBumpMapVelocity1;
_waveDispMapVelocity0 = initInfo.waveDispMapVelocity0;
_waveDispMapVelocity1 = initInfo.waveDispMapVelocity1;
_hiPolyPlane = generatePlane(graphicsDevice, initInfo.SquareSize, initInfo.dx, initInfo.dz,
initInfo.texScale);
_lakePlane = generatePlane(graphicsDevice, 1, initInfo.SquareSize*512, initInfo.SquareSize*512, initInfo.texScale*512);
buildFx(initInfo);
var targetWidth = graphicsDevice.BackBuffer.Width;
var targetHeight = graphicsDevice.BackBuffer.Height;
_reflectionTarget = RenderTarget2D.New(
graphicsDevice,
targetWidth,
targetHeight*11/10, //compensate for displaced waves
graphicsDevice.BackBuffer.Format);
_reflectionCamera = new Camera(
new Vector2(targetWidth, targetHeight),
null,
null,
null,
Vector3.Zero,
Vector3.Up);
Update(10);
}
private void buildFx(InitInfo initInfo)
{
var p = Effect.Effect.Parameters;
p["MirrorSampler"].SetResource(Effect.GraphicsDevice.SamplerStates.PointMirror);
_mhWorldInv = p["WorldInv"];
_mhCameraPosition = p["CameraPosition"];
_mhWaveBumpMapOffset0 = p["WaveNMapOffset0"];
_mhWaveBumpMapOffset1 = p["WaveNMapOffset1"];
_mhWaveDispMapOffset0 = p["WaveDMapOffset0"];
_mhWaveDispMapOffset1 = p["WaveDMapOffset1"];
_reflectedView = p["ReflectedView"];
_reflectedMap = p["ReflectedMap"];
p["BumpMap0"].SetResource(initInfo.waveMap0);
p["BumpMap1"].SetResource(initInfo.waveMap1);
p["WaveDispMap0"].SetResource(initInfo.dmap0);
p["WaveDispMap1"].SetResource(initInfo.dmap1);
p["ScaleHeights"].SetValue(initInfo.scaleHeights);
p["GridStepSizeL"].SetValue(new Vector2(initInfo.dx, initInfo.dz));
p["WaveHeight"].SetValue(0.3f * 2);
}