}//eom
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.SkyBlue);
spriteBatch.Begin();
switch (gameState)
{
case GameState.Initialize:
//string welcomeText = "3D Rotation Demo";
//spriteBatch.DrawString(largeFont, welcomeText, new Vector2(MARGIN, MARGIN), Color.Black);
spriteBatch.DrawString(courierNew, "Press Space to rotate...OR Esc to quit", new Vector2(WindowMargin, WindowHeight - WindowMargin), Color.Blue);
spriteBatch.DrawString(courierNew, "Rotation Parameters", new Vector2(WindowMargin, WindowMargin), Color.Black);
spriteBatch.DrawString(courierNew, " Roll = " + roll, new Vector2(WindowMargin, WindowMargin * 2), Color.Red);
spriteBatch.DrawString(courierNew, "Pitch = " + pitch, new Vector2(WindowMargin, WindowMargin * 3), Color.Purple);
spriteBatch.DrawString(courierNew, " Yaw = " + yaw, new Vector2(WindowMargin, WindowMargin * 4), Color.Yellow);
spriteBatch.DrawString(courierNew, " Mode = " + rotationMode.ToString(), new Vector2(WindowMargin, WindowMargin * 5), Color.Green);
airplane.Draw(gameTime, viewMatrix, worldMatrix, projectionMatrix);
break;
case GameState.Drawing:
spriteBatch.DrawString(courierNew, "Rotation Parameters", new Vector2(WindowMargin, WindowMargin), Color.Black);
spriteBatch.DrawString(courierNew, " Roll = " + roll, new Vector2(WindowMargin, WindowMargin * 2), Color.Red);
spriteBatch.DrawString(courierNew, "Pitch = " + pitch, new Vector2(WindowMargin, WindowMargin * 3), Color.Purple);
spriteBatch.DrawString(courierNew, " Yaw = " + yaw, new Vector2(WindowMargin, WindowMargin * 4), Color.Yellow);
spriteBatch.DrawString(courierNew, " Mode = " + rotationMode.ToString(), new Vector2(WindowMargin, WindowMargin * 5), Color.Green);
airplane.Draw(gameTime, viewMatrix, worldMatrix, projectionMatrix);
break;
case GameState.Quit:
break;
}//end switch
spriteBatch.End();
base.Draw(gameTime);
}//eom
public override void WriteXml(XmlWriter writer)
{
base.WriteXml(writer);
writer.WriteElementString("RotationMode", RotationMode.ToString());
writer.WriteElementString("LoopMode", LoopMode.ToString());
writer.WriteStartElement("BlendMode");
if (BlendMode == BlendState.Additive)
{
writer.WriteValue("ADDITIVE");
}
else if (BlendMode == BlendState.AlphaBlend)
{
writer.WriteValue("ALPHA");
}
else if (BlendMode == BlendState.NonPremultiplied)
{
writer.WriteValue("ALPHANP");
}
else if (BlendMode == BlendState.Opaque)
{
writer.WriteValue("OPAQUE");
}
else
{
throw new InvalidOperationException("ParticleSystem: Unrecognized BlendMode");
}
writer.WriteEndElement();
WriteVector3(writer, Offset, "Offset");
WriteVector3(writer, RandAngle, "RandAngle");
WriteVector3(writer, Wind, "Wind");
WriteVector3(writer, WindVariation, "WindVariation");
WriteVector3(writer, PositionOffset, "PositionOffset");
WriteVector3(writer, PositionOffsetVariation, "PositionOffsetVariation");
WriteVector3(writer, ParticleRotation, "ParticleRotation");
WriteVector3(writer, ParticleRotationVariation, "ParticleRotationVariation");
WriteVector3(writer, ParticleColor, "ParticleColor");
WriteVector3(writer, ParticleColorVariation, "ParticleColorVariation");
WriteVector2(writer, ParticleSize, "ParticleSize");
WriteVector2(writer, ParticleSizeVariation, "ParticleSizeVariation");
writer.WriteStartElement("Textures");
foreach (Texture2D texture in Textures)
{
writer.WriteElementString("TexturePath", ResourceManager.Instance.Textures.FirstOrDefault(x => x.Value == texture).Key);
}
writer.WriteEndElement();
writer.WriteElementString("LifeSpanSec", XmlConvert.ToString(LifespanSec));
writer.WriteElementString("LifeSpanSecVariation", XmlConvert.ToString(LifespanSecVariation));
writer.WriteElementString("FadeInTime", XmlConvert.ToString(FadeInTime));
writer.WriteElementString("FadeInTimeVariation", XmlConvert.ToString(FadeInTimeVariation));
writer.WriteElementString("FadeOutTime", XmlConvert.ToString(FadeOutTime));
writer.WriteElementString("FadeOutTimeVariation", XmlConvert.ToString(FadeOutTime));
writer.WriteElementString("Speed", XmlConvert.ToString(Speed));
writer.WriteElementString("SpeedVariation", XmlConvert.ToString(SpeedVariation));
writer.WriteElementString("DelayMs", XmlConvert.ToString(DelayMs));
writer.WriteElementString("DelayMsVariation", XmlConvert.ToString(DelayMsVariation));
writer.WriteElementString("Mass", XmlConvert.ToString(Mass));
writer.WriteElementString("MassVariation", XmlConvert.ToString(MassVariation));
writer.WriteElementString("ParticleCount", XmlConvert.ToString(ParticleCount));
writer.WriteElementString("IgnoreScale", XmlConvert.ToString(IgnoreScale));
writer.WriteElementString("Stopped", XmlConvert.ToString(Stopped));
writer.WriteElementString("UseGravity", XmlConvert.ToString(UseGravity));
}