public bool Update(float dt)
{
LifeLeft -= dt;
if (LifeLeft <= 0)
{
return(false);
}
lifePhase = LifeLeft / StartingLife; // 1 means newly created 0 means dead.
Position += MathExtension.LinearInterpolate(EndDirection, StartDirection, lifePhase) * dt;
rotation += (Parent.RotationStrength * dt);
//if (Parent.RestrictToBoundries)
//{
//
// //if (this.Position.X > Parent.Transform.Position.X + Parent.CollisionModel.Width / 2
// // || this.Position.X < Parent.Transform.Position.X - Parent.CollisionModel.Width / 2)
// //{
// // EndDirection.X *= -1;
// // StartDirection.X *= -1;
// //}
// //if (this.Position.Y > Parent.Transform.Position.Y + Parent.CollisionModel.Height / 2
// // || this.Position.Y < Parent.Transform.Position.Y - Parent.CollisionModel.Height / 2)
// //{
// // EndDirection.Y *= -1;
// // StartDirection.Y *= -1;
// //}
//}
return(true);
}
public void Draw(SpriteBatch spriteBatch)
{
float currScale = MathExtension.LinearInterpolate(ScaleEnd, ScaleBegin, lifePhase);
Color currCol = MathExtension.LinearInterpolate(EndColor, StartColor, lifePhase);
spriteBatch.Draw(Parent.texture, new Vector2((int)(Position.X), (int)(Position.Y)), null, currCol, rotation, origin, currScale, SpriteEffects.None, 0);
}
/// <summary>
/// Draw a box at the input location
/// </summary>
/// <param name="sb">The spritebatch</param>
/// <param name="upperLeft">Upper left position</param>
/// <param name="lowerRight">Lower right position</param>
/// <param name="c">Color</param>
public static void DrawBox(SpriteBatch sb, Vector2 upperLeft, Vector2 lowerRight, Color c, int linewidth)
{
Rectangle r = MathExtension.RectangleFromVectors(upperLeft, lowerRight);
DrawLine(sb, r.Left, r.Top, r.Right, r.Top, c, linewidth);
DrawLine(sb, r.Right, r.Y, r.Right, r.Bottom, c, linewidth);
DrawLine(sb, r.Right, r.Bottom, r.Left, r.Bottom, c, linewidth);
DrawLine(sb, r.Left, r.Bottom, r.Left, r.Top, c, linewidth);
}
/// <summary>
/// Initializes this instance
/// </summary>
public override void Initialize()
{
base.Initialize();
random = new Random();
if (texture == null && texturePath != null && texturePath.Trim() != "")
{
LoadTexture();
}
LoadState();
nextSpawn = MathExtension.LinearInterpolate(SecondsPerSpawnMin, SecondsPerSpawnMax, random.NextDouble());
secElapsed = 0.0f;
particles = new LinkedList <Particle>();
}
/// <summary>
/// Updates this instance
/// </summary>
/// <param name="gameTime">The gametime</param>
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
if (texture != null)
{
secElapsed += (float)gameTime.ElapsedGameTime.TotalSeconds;
while (secElapsed > nextSpawn)
{
if (particles.Count < MaxParticles && enabled)
{
// Spawn a particle
Vector2 StartDirection = Vector2.Transform(SpawnDirection, Matrix.CreateRotationZ(MathExtension.LinearInterpolate(spawnAngleNoise.X, spawnAngleNoise.Y, random.NextDouble())));
StartDirection.Normalize();
Vector2 EndDirection = StartDirection * MathExtension.LinearInterpolate(FinalSpeedMin, FinalSpeedMax, random.NextDouble());
StartDirection *= MathExtension.LinearInterpolate(InitialSpeedMin, InitialSpeedMax, random.NextDouble());
particles.AddLast(new Particle(
Transform.Position,
StartDirection,
EndDirection,
MathExtension.LinearInterpolate(LifespanMin, LifespanMax, random.NextDouble()),
MathExtension.LinearInterpolate(InitialScaleMin, InitialScaleMax, random.NextDouble()),
MathExtension.LinearInterpolate(FinalScaleMin, FinalScaleMax, random.NextDouble()),
MathExtension.LinearInterpolate(InitialColor1, InitialColor2, random.NextDouble()),
MathExtension.LinearInterpolate(FinalColor1, FinalColor2, random.NextDouble()),
this)
);
particles.Last.Value.Update(secElapsed);
}
secElapsed -= nextSpawn;
nextSpawn = MathExtension.LinearInterpolate(SecondsPerSpawnMin, SecondsPerSpawnMax, random.NextDouble());
if (burst)
{
particleBurstCount++;
}
if (burst && particleBurstCount >= maxParticles)
{
this.enabled = false;
this.particleBurstCount = 0;
}
}
}
LinkedListNode <Particle> node = particles.First;
while (node != null)
{
bool isAlive = node.Value.Update((float)gameTime.ElapsedGameTime.TotalSeconds);
node = node.Next;
if (!isAlive)
{
if (node == null)
{
particles.RemoveLast();
}
else
{
particles.Remove(node.Previous);
}
}
}
}
/// <summary>
/// Draw a filled box at the input location
/// </summary>
/// <param name="sb">The spritebatch</param>
/// <param name="upperLeft">Upper left position</param>
/// <param name="lowerRight">Lower right position</param>
/// <param name="c">Color</param>
public static void DrawBoxFilled(SpriteBatch sb, Vector2 upperLeft, Vector2 lowerRight, Color c)
{
Rectangle r = MathExtension.RectangleFromVectors(upperLeft, lowerRight);
sb.Draw(pixel, r, c);
}
/// <summary>
/// Draws this instance
/// </summary>
/// <param name="gameTime">The gametime</param>
/// <param name="spriteBatch">The spriteBatch</param>
public override void Draw(GameTime gameTime, SpriteBatch spriteBatch)
{
base.Draw(gameTime, spriteBatch);
if (texture != null && Visible) // && (MeasureDimension().Intersects(SceneManager.ActiveCamera.BoundingBox) || displayMode == DisplayModes.Fill || displayMode == DisplayModes.Tile || displayMode == DisplayModes.PositionTile))
{
Vector2 _orgx = Vector2.Zero;
if (sourceRectangle != Rectangle.Empty)
{
_orgx = new Vector2(sourceRectangle.X - (sourceRectangle.Width / 2), sourceRectangle.Y - (sourceRectangle.Height / 2));
}
else if (origin == Origins.Center)
{
_orgx = new Vector2(texture.Width / 2, texture.Height / 2);
}
if (displayMode == DisplayModes.Tile && MathExtension.IsPowerOfTwo(new Vector2(texture.Width, texture.Height)))
{
//Vector2 initialPosition = Vector2.Transform(Vector2.Zero, Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix));
//Vector2 endPos = Vector2.Transform(new Vector2(SceneManager.GraphicsDevice.Viewport.Width, SceneManager.GraphicsDevice.Viewport.Height), Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix));
//int sizeWidth = (int)(endPos.X - initialPosition.X);
//int sizeHeight = (int)(endPos.Y - initialPosition.Y);
spriteBatch.Begin(SpriteSortMode.Deferred, this.blendState, SamplerState.LinearWrap, null, null, null, SceneManager.ActiveCamera.TransformMatrix);
//spriteBatch.Draw(texture, new Vector2(initialPosition.X, initialPosition.Y), new Rectangle((int)SceneManager.ActiveCamera.Position.X,
// (int)SceneManager.ActiveCamera.Position.Y, sizeWidth, sizeHeight), Color, 0, Vector2.Zero, 1.0f,
// SpriteEffects.None, 1);
float tBorder = Vector2.Transform(new Vector2(0, 0), Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix)).Y;
float bBorder = Vector2.Transform(new Vector2(0, SceneManager.GraphicsDevice.Viewport.Height), Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix)).Y;
float lBorder = Vector2.Transform(new Vector2(0, 0), Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix)).X;
float rBorder = Vector2.Transform(new Vector2(SceneManager.GraphicsDevice.Viewport.Width, 0), Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix)).X;
Rectangle dispRect = new Rectangle()
{
X = (int)lBorder,
Y = (int)tBorder,
Width = (int)rBorder - (int)lBorder,
Height = (int)bBorder - (int)tBorder
};
//spriteBatch.Draw(texture, dispRect, null, Color, 0, Vector2.Zero, spriteEffect, 1);
spriteBatch.Draw(texture, new Vector2(lBorder, tBorder), new Rectangle((int)SceneManager.ActiveCamera.Position.X,
(int)SceneManager.ActiveCamera.Position.Y, dispRect.Width, dispRect.Height), Color, 0, Vector2.Zero, Transform.Scale, spriteEffect, 1);
}
else if (displayMode == DisplayModes.PositionTile)
{
//Vector2 initialPosition = Vector2.Transform(Vector2.Zero, Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix));
//Vector2 endPos = Vector2.Transform(new Vector2(SceneManager.GraphicsDevice.Viewport.Width, SceneManager.GraphicsDevice.Viewport.Height), Matrix.Invert(SceneManager.ActiveCamera.TransformMatrix));
//int sizeWidth = (int)(endPos.X - initialPosition.X);
//int sizeHeight = (int)(endPos.Y - initialPosition.Y);
spriteBatch.Begin(SpriteSortMode.Deferred, this.blendState, SamplerState.LinearWrap, null, null, null, SceneManager.ActiveCamera.TransformMatrix);
//spriteBatch.Draw(texture, new Vector2(initialPosition.X, initialPosition.Y), new Rectangle((int)Transform.Position.X,
// (int)Transform.Position.Y, sizeWidth, sizeHeight), Color, 0, Vector2.Zero, 1.0f,
// SpriteEffects.None, 1);
spriteBatch.Draw(texture, new Vector2((int)SceneManager.ActiveCamera.Position.X - SceneManager.GraphicsDevice.Viewport.Width, (int)SceneManager.ActiveCamera.Position.Y - SceneManager.GraphicsDevice.Viewport.Height), new Rectangle((int)Transform.Position.X,
(int)Transform.Position.Y, SceneManager.GraphicsDevice.Viewport.Width * 2, SceneManager.GraphicsDevice.Viewport.Height * 2), Color, 0, Vector2.Zero, Transform.Scale,
spriteEffect, 1);
}
else if (displayMode == DisplayModes.Fill)
{
Rectangle fill = new Rectangle(
(int)SceneManager.ActiveScene.Camera.Position.X,
(int)SceneManager.ActiveScene.Camera.Position.Y - 1,
(int)SceneManager.GameProject.Settings.ScreenWidth,
(int)SceneManager.GameProject.Settings.ScreenHeight);
spriteBatch.Begin(SpriteSortMode.Deferred, this.blendState, SamplerState.LinearClamp, null, null, null, SceneManager.ActiveCamera.TransformMatrix);
if (sourceRectangle == Rectangle.Empty)
{
spriteBatch.Draw(texture, fill, null, Color, 0, _orgx, spriteEffect, 0);
}
else
{
spriteBatch.Draw(texture, fill, sourceRectangle, Color, 0, _orgx, spriteEffect, 0);
}
}
else
{
spriteBatch.Begin(SpriteSortMode.Deferred, this.blendState, SamplerState.LinearClamp, null, RasterizerState.CullNone, null, SceneManager.ActiveCamera.TransformMatrix);
//Console.WriteLine("rr: " + Transform.Rotation);
if (sourceRectangle == Rectangle.Empty)
{
spriteBatch.Draw(texture, Transform.Position, null, color, Transform.Rotation, _orgx, Transform.Scale, spriteEffect, 1);
}
else
{
spriteBatch.Draw(texture, Transform.Position, sourceRectangle, color, Transform.Rotation, _orgx, Transform.Scale, spriteEffect, 1);
}
}
spriteBatch.End();
}
}