public void addParticles(int num)
{
for (int i = 0; i < num; i++)
{
Random RandomGenerator = new Random();
float randomXVelocity = 5;
Vector2 mousePos = camera.MouseToWorld();
float xPos = mousePos.X;
float yPos = mousePos.Y;
if (xPos < drawingOffset)
{
xPos = drawingOffset + 1;
}
else if (xPos > 800 - drawingOffset)
{
xPos = 800 - drawingOffset - 1;
}
if (yPos < 0)
{
yPos = 1;
}
else if (yPos > 500)
{
yPos = 499;
}
BlobParticle theParticle = new BlobParticle(Game, new Vector2(xPos, yPos), theSprite, PhysicsOverlord.GetInstance().GetID(), particleRadius);
theParticle.colour = Color.Red;
theParticle.velocity = new Vector2(5, 5);
theParticles.Add(theParticle);
SpatialGrid.GetInstance().AddObject(theParticle);
particleCount++;
currentNumParticles--;
}
}
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
graphics.GraphicsDevice.Clear(Color.White);
base.Draw(gameTime);
spriteBatch.Begin();
spriteBatch.DrawString(Content.Load <SpriteFont>("DebugFont"), "MOUSE: " + Mouse.GetState().ToString(), new Vector2(10, 10), Color.Red);
spriteBatch.DrawString(Content.Load <SpriteFont>("DebugFont"), "MODE: " + ((state == GameState.gsEdit) ? "Edit" : "Simulate"), new Vector2(10, 30), (state == GameState.gsEdit) ? Color.Red : Color.Green);
spriteBatch.DrawString(Content.Load <SpriteFont>("DebugFont"), "MOUSE WORLD: " + camera.MouseToWorld(), new Vector2(10, 50), Color.Red);
spriteBatch.DrawString(Content.Load <SpriteFont>("DebugFont"), "CAMERA WORLD: " + camera.Position, new Vector2(10, 90), Color.Red);
spriteBatch.End();
// TODO: Add your drawing code here
}
/// <summary>
/// Allows the game component to update itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
public override void Update(GameTime gameTime)
{
// TODO: Add your update code here
//Vector2 mousePos = new Vector2(Mouse.GetState().X, Mouse.GetState().Y);
//head.position = mousePos;
if (game.state == GameState.gsSimulate)
{
KeyboardState aKeyboard = Keyboard.GetState();
MouseState aMouse = Mouse.GetState();
Vector2 mousePos = camera.MouseToWorld();//new Vector2(aMouse.X, aMouse.Y);
int swimCount = 0;
Boolean swimming = false;
if (head.status == ParasiteBodyPart.ParasiteStatus.swimming)
{
swimCount++;
}
if (tail.status == ParasiteBodyPart.ParasiteStatus.swimming)
{
swimCount++;
}
for (int i = 0; i < bodyparts.Count; i++)
{
if (bodyparts[i].status == ParasiteBodyPart.ParasiteStatus.swimming)
{
swimCount++;
}
}
if (swimCount > (bodyparts.Count + 2) / 2)
{
swimming = true;
}
Boolean applyGravity = true;
if (!rigid)
{
if (aKeyboard.IsKeyDown(Keys.Left))
{
head.velocity.X -= 0.2f;
}
else if (aKeyboard.IsKeyDown(Keys.Right))
{
head.velocity.X += 0.2f;
}
if (swimming)
{
if (aKeyboard.IsKeyDown(Keys.Up))
{
head.velocity.Y -= 0.2f;
}
else if (aKeyboard.IsKeyDown(Keys.Down))
{
head.velocity.Y += 0.2f;
}
}
}
if ((tail.Position - mousePos).Length() < 10 * bodyparts.Count && head.velocity.X < 1f && head.velocity.Y < 1f)
{
tail.Position = mousePos;
//head.position = mousePos;
applyGravity = false;
}
if (aMouse.LeftButton == ButtonState.Pressed && (tail.Position - mousePos).Length() < 15)
{
// LOCK all angles
if (rigid)
{
float maxDistance = theParasite.Count * 10;
float theDistance = (head.Position - tail.Position).Length();
// max distance between head/tail = theParasite.Count * defaultDistance.
// in this case, it is : 8 * 10 = 80.
head.IKPoint.distance = (theDistance / theParasite.Count);
tail.IKPoint.distance = (theDistance / theParasite.Count);
for (int i = 0; i < bodyparts.Count; i++)
{
bodyparts[i].IKPoint.distance = (theDistance / theParasite.Count);
}
launchForce = maxDistance - theDistance;
}
else
{
lockAngles();
rigid = true;
}
}
else
{
if (rigid)
{
unlockAngles();
head.IKPoint.distance = head.IKPoint.defaultdistance;
tail.IKPoint.distance = tail.IKPoint.defaultdistance;
for (int i = 0; i < bodyparts.Count; i++)
{
bodyparts[i].IKPoint.distance = bodyparts[i].IKPoint.defaultdistance;
}
rigid = false;
if (launchForce > 0)
{
// Shoot him off!
head.velocity.X = (float)Math.Cos(tail.IKPoint.currentAngle) * launchForce;
head.velocity.Y = (float)Math.Sin(tail.IKPoint.currentAngle) * launchForce;
}
}
}
tail.Init();
tail.UpdatePoint();
if (applyGravity)
{
tail.ApplyForce(tail.relativeGravity);
}
for (int i = 0; i < bodyparts.Count; i++)
{
bodyparts[i].Init();
bodyparts[i].UpdatePoint();
if (bodyparts[i].status == ParasiteBodyPart.ParasiteStatus.swimming)
{
applyGravity = false;
}
if (applyGravity)
{
bodyparts[i].ApplyForce(bodyparts[i].relativeGravity);
}
}
head.Init();
head.UpdatePoint();
if (applyGravity)
{
head.ApplyForce(head.relativeGravity);
}
//head.IKPoint.moveTo(mousePos.X, mousePos.Y);
//head.velocity.Y += 0.2f;
}
//camera.Position = new Vector3(this.head.position, 0);
base.Update(gameTime);
}