/// <summary>
/// Allows the game component to update itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (this.Manager.KeyPressed(Keys.M))
{
switch (fDrawMode)
{
case DrawMode.Grid:
CurrentDrawMode = DrawMode.Solid;
break;
case DrawMode.Solid:
CurrentDrawMode = DrawMode.WireFrame;
break;
case DrawMode.WireFrame:
CurrentDrawMode = DrawMode.Grid;
break;
}
}
else if (this.Manager.KeyPressed(Keys.C))
{
switch (fColorMode)
{
case ColorMode.Points:
CurrentColorMode = ColorMode.SkyBlue;
break;
case ColorMode.SkyBlue:
CurrentColorMode = ColorMode.Points;
break;
}
}
else if (this.Manager.KeyPressed(Keys.N))
{
switch (fNormalMode)
{
case NormalMode.Crazy:
CurrentNormalMode = NormalMode.Standard;
break;
case NormalMode.Standard:
CurrentNormalMode = NormalMode.Crazy;
break;
}
}
fCamera.Update(gameTime);
double seconds = gameTime.TotalGameTime.TotalSeconds;
if (!fHalted)
{
fUpdateDiagram = true;
}
fUpdateDiagram = fUpdateDiagram || fUpdatePlane;
fUpdateColors = fUpdateColors || fUpdateDiagram;
fUpdateNormals = fUpdateNormals || fUpdateDiagram;
if (fUpdatePlane)
{
SetPlane();
}
int max = fPlane.Segments;
if (fUpdateDiagram)
{
fUpdateDiagram = false;
for (int x = 0; x <= max; x++)
{
float nX = 2.0f * (float)x / max - 1.0f;// -1 to +1
for (int z = 0; z <= max; z++)
{
float nZ = 2.0f * (float)z / max - 1.0f;
double r = Math.Sqrt(nX * nX + nZ * nZ);
// function
double y = nX * Math.Cos(r * 7.0f - seconds * 4.2f) +
nZ * Math.Sin((r - 0.5) * 10.0f - seconds * 1.9f);
float height = 200.0f * (float)y;
fPlane.SetHeight(x, z, height);
}
}
}
if (fUpdateColors)
{
SetColors();
}
if (fUpdateNormals)
{
switch (fNormalMode)
{
case NormalMode.Crazy:
for (int x = 0; x <= max; x++)
{
float nX = 2.0f * (float)x / max - 1.0f; // -1 to +1
for (int z = 0; z <= max; z++)
{
float nZ = 2.0f * (float)z / max - 1.0f;
// function
double r = Math.Sqrt(nX * nX + nZ * nZ);
VertexPositionNormalColor p = fPlane.GetPoint(x, z);
p.Normal = Vector3.Normalize(new Vector3(
Convert.ToSingle(Math.Cos(r * 1.0f + 0.5f - seconds * 0.1f)),
Convert.ToSingle(Math.Cos(r * 2.0f + 2.1f - seconds * 0.2f)),
Convert.ToSingle(Math.Cos(r * 5.1f * seconds))));
fPlane.SetPoint(x, z, p);
}
}
break;
case NormalMode.Standard:
fPlane.GenerateNormals();
break;
}
}
base.Update(gameTime);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
fCamera.Update(gameTime);
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (fEngine.InputManager.KeyPressed(Keys.P))
{
fEngine.UpdatePaused = !fEngine.UpdatePaused;
}
if (fEngine.InputManager.KeyPressed(Keys.M))
{
fEngine.ToggleFullscreen();
}
fLabelDisplayMode.Text = $"Mode={fEngine.DisplayMode}";
fAdapterSize.Text = $"Adapter={fEngine.AdapterSize.Width}x{fEngine.AdapterSize.Height}";
fWindowSize.Text = $"Window={fEngine.WindowSize.Width}x{fEngine.WindowSize.Height}";
fAspectRatio.Text = $"AspectRatio={fEngine.AspectRatio}";
fFPS.Text = $"FPS={fEngine.FPS.FrameRate}";
int count = fPlane.NumberOfTriangles;
foreach (var plane in fPlanes)
{
count += plane.NumberOfTriangles;
}
count += fObject1.NumberOfTriangles;
fInfo.Text = $"#Triangles={count}";
lblDrawMode.Text = $"Draw Mode = {fDrawMode}";
lblShaderMode.Text = $"Shader Mode = {fShaderMode}";
lblRenderObjects.Text = $"Render Objects = {fRenderObjects}";
if (fEngine.MouseOverElement == null)
{
fCurrentElement.Text = "...";
}
else
{
GuiElement element = fEngine.MouseOverElement;
string name = String.Empty;
bool isFirst = true;
while (element != null)
{
if (!isFirst)
{
name = name + "/";
}
isFirst = false;
string n = element.GetType().Name;
if (n.StartsWith("Gui"))
{
name = name + n.Substring(3);
}
else
{
name = name + n;
}
element = element.Parent;
}
fCurrentElement.Text = name;
}
if (fUpdatePlane)
{
SetPlane();
}
int max = fPlane.Segments;
double seconds = gameTime.TotalGameTime.TotalSeconds;
for (int x = 0; x <= max; x++)
{
float nX = 2.0f * (float)x / max - 1.0f;// -1 to +1
for (int z = 0; z <= max; z++)
{
float nZ = 2.0f * (float)z / max - 1.0f;
double r = Math.Sqrt(nX * nX + nZ * nZ);
//double y = nX * Math.Cos(r * 12.0f - seconds * 4.2f) + nZ * Math.Sin((r - 0.5) * 3.1f - seconds * 1.9f);
double y = Math.Cos(r * 10.0f - seconds * 2.0f) + Math.Sin(r * 10.0f - seconds * 2.1f);
float height = 200.0f * (float)y;
fPlane.SetHeight(x, z, height);
}
}
fPlane.GenerateNormals();
base.Update(gameTime);
}