public void Render(GraphicsDevice GraphicsDevice, RenderTargetDouble velocity, RenderTargetDouble advected, RenderTargetDouble output)
{
advect.Parameters["velocity"].SetValue(velocity.Read);
advect.Parameters["advected"].SetValue(advected.Read);
advect.Parameters["gridSize"].SetValue(new Vector2(w, h));
advect.Parameters["gridScale"].SetValue(1.0f);
advect.Parameters["timestep"].SetValue(timestep);
advect.Parameters["dissipation"].SetValue(dissipation);
GraphicsDevice.SetRenderTarget(output.Write);
SpriteBatch spriteBatch = new SpriteBatch(GraphicsDevice);
Rectangle r = new Rectangle(0, 0, w, h);
spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, null, null, null, advect);
spriteBatch.Draw(Game1.textureWhite, r, Color.White);
spriteBatch.End();
GraphicsDevice.SetRenderTarget(null);
output.Swap();
}
public void Render(GraphicsDevice GraphicsDevice, RenderTargetDouble x, RenderTargetDouble b, RenderTargetDouble output, Boundary boundary, float scale)
{
for (var i = 0; i < iterations; i++)
{
jacobiFx.Parameters["x"].SetValue(x.Read);
jacobiFx.Parameters["b"].SetValue(b.Read);
jacobiFx.Parameters["gridSize"].SetValue(new Vector2(w, h));
jacobiFx.Parameters["alpha"].SetValue(alpha);
jacobiFx.Parameters["beta"].SetValue(beta);
GraphicsDevice.SetRenderTarget(output.Write);
SpriteBatch spriteBatch = new SpriteBatch(GraphicsDevice);
Rectangle r = new Rectangle(0, 0, w, h);
spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, null, null, null, jacobiFx);
spriteBatch.Draw(Game1.textureWhite, r, Color.White);
spriteBatch.End();
GraphicsDevice.SetRenderTarget(null);
output.Swap();
boundary.Render(GraphicsDevice, output, scale, output);
}
}