public void Generate(SpriteBatch sp, Texture2D pressure, Texture2D friction)
{
velocity.Parameters["FrictionMap"].SetValue(friction);
velocity.Parameters["HeightMap"].SetValue(pressure);
rts = new RenderTargetState(graphics, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
rts.BeginRenderToTexture();
sp.Begin(SpriteBlendMode.None, SpriteSortMode.Immediate, SaveStateMode.None);
velocity.Begin();
velocity.CurrentTechnique.Passes[0].Begin();
sp.Draw(pressure, new Vector2(0, 0), Microsoft.Xna.Framework.Graphics.Color.White);
sp.End();
velocity.CurrentTechnique.Passes[0].End();
velocity.End();
texture = rts.EndRenderGetTexture();
}
public void Load(GraphicsDevice graf, ContentManager cont)
{
heatmap = cont.Load<Effect>("Shaders\\Heatmap");
rts = new RenderTargetState(graf, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
}
public void Load(GraphicsDevice graf, ContentManager cont)
{
mover = cont.Load<Effect>("Shaders\\FluidFlow");
rts = new RenderTargetState(graf, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
rts2 = new RenderTargetState(graf, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
rts3 = new RenderTargetState(graf, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
rts4 = new RenderTargetState(graf, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
rts5 = new RenderTargetState(graf, Game1.TextureWidth, Game1.TextureHeight, Game1.TextureWidth, Game1.TextureHeight);
mover.Parameters["timestep"].SetValue(0.2f);
mover.Parameters["dissipation"].SetValue(1);
mover.Parameters["rdx"].SetValue(1.0f / Game1.TextureWidth);
mover.Parameters["halfrdx"].SetValue(0.5f / Game1.TextureWidth);
Color[] map = new Color[Game1.TextureHeight * Game1.TextureWidth];
Velocity = new Texture2D(graf, Game1.TextureWidth, Game1.TextureHeight, 1, TextureUsage.None, SurfaceFormat.Color);
Velocity.SetData<Color>(map);
Vorticity = new Texture2D(graf, Game1.TextureWidth, Game1.TextureHeight, 1, TextureUsage.None, SurfaceFormat.Color);
Vorticity.SetData<Color>(map);
Divergence = new Texture2D(graf, Game1.TextureWidth, Game1.TextureHeight, 1, TextureUsage.None, SurfaceFormat.Color);
Divergence.SetData<Color>(map);
for (int i = 0; i < Game1.TextureHeight; i++)
{
for (int j = 0; j < Game1.TextureWidth; j++)
{
map[i + (j * Game1.TextureWidth)] = new Color(128, 128, 128, 1);
}
}
PressureOffsets = new Texture2D(graf, Game1.TextureWidth, Game1.TextureHeight, 1, TextureUsage.None, SurfaceFormat.Color);
PressureOffsets.SetData<Color>(map);
Density = new Texture2D(graf, Game1.TextureWidth, Game1.TextureHeight, 1, TextureUsage.None, SurfaceFormat.Color);
Density.SetData<Color>(map);
}
public RenderTargetState SetToDevice(int renderTargetIndex)
{
oldState = new RenderTargetState(GraphicsDevice,
renderTargetIndex);
//GraphicsDevice.SetRenderTarget(renderTargetIndex, RenderTarget);
GraphicsDevice.SetRenderTarget(RenderTarget);
//GraphicsDevice.DepthStencilBuffer = DepthBuffer;
return oldState;
}
public RenderTargetState EndRenderToTexture(int renderTargetIndex)
{
RenderTargetState renderBuffer =
oldState.SetToDevice(renderTargetIndex);
oldState = null;
return renderBuffer;
}
public Texture2D EndRenderGetTexture(int renderTargetIndex)
{
RenderTargetState renderBuffer =
oldState.SetToDevice(renderTargetIndex);
oldState = null;
//return renderBuffer.RenderTarget.GetTexture();
return renderBuffer.RenderTarget;
}
public void DestroyBuffers()
{
oldState = null;
if (CreatedBuffers) {
if (RenderTarget != null) {
RenderTarget.Dispose();
RenderTarget = null;
}
/*if (DepthBuffer != null) {
DepthBuffer.Dispose();
DepthBuffer = null;
}*/
}
}
public RenderTargetState BeginRenderToTexture(int renderTargetIndex)
{
oldState = SetToDevice(renderTargetIndex);
return oldState;
}
public RenderTargetState BeginRenderToTexture()
{
oldState = SetToDevice();
return oldState;
}
