private void CreateParticleBurst(Vector2 Position, int Count, int Size, Color Tint, Texture2D Image)
{
Particle2D NewSparkle;
Vector2 Speed;
for (int Ctr = 0; Ctr < Count; Ctr++)
{
NewSparkle = new Particle2D(GraphicsDevice);
NewSparkle.AlphaFade = true;
NewSparkle.TimeToLive = 100 + (cRandom.NextDouble() * 1000);
NewSparkle.Height = Size;
NewSparkle.Width = Size;
NewSparkle.TopLeft = Position;
NewSparkle.Image = Image;
NewSparkle.Rotation = (float)(cRandom.NextDouble() * 6.2f);
Speed = MGMath.CalculateXYMagnitude(NewSparkle.Rotation, (float)(cRandom.NextDouble() * (70 / Size)));
NewSparkle.SpeedX = Speed.X;
NewSparkle.SpeedY = Speed.Y;
NewSparkle.SpeedRotate = (float)cRandom.NextDouble() * 0.25f;
NewSparkle.Tint = Tint;
cSparkles.AddParticle(NewSparkle);
}
}
private void CreateNewAsteroid(int Size, Vector2 Position)
{
Particle2D AstInfo;
Vector2 AstSpeed;
AstInfo = new Particle2D(GraphicsDevice);
AstInfo.Width = Size;
AstInfo.Height = Size;
if ((Position.X == -1) && (Position.Y == -1))
{
AstInfo.TopLeft.X = AstInfo.Width * -1;
AstInfo.TopLeft.Y = AstInfo.Height * -1;
}
else
{
AstInfo.TopLeft.X = Position.X;
AstInfo.TopLeft.Y = Position.Y;
}
AstInfo.Image = cTextureDict[Textures.Asteroid];
AstInfo.TimeToLive = -1;
AstSpeed = MGMath.CalculateXYMagnitude((float)cRandom.NextDouble() * 6.28318531f, 2);
AstInfo.SpeedX = AstSpeed.X;
AstInfo.SpeedY = AstSpeed.Y;
AstInfo.Tint = new Color(150 + cRandom.Next(0, 105), 150 + cRandom.Next(0, 105), 150 + cRandom.Next(0, 105), 255);
AstInfo.SpeedRotate = ((float)cRandom.NextDouble() * 0.2f) - 0.1f;
cAsteroids.AddParticle(AstInfo);
}
private void PlayerFireBullet()
{
Vector2 BulletOrigin, BulletOffset;
int Ctr;
Color BulletColor = new Color(75, 75, 255, 255);
if (cEnemyKills >= 50) //Spread shot
{
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation - 0.628f, 10, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation - 0.314f, 10, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation, 10, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation + 0.314f, 10, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation + 0.628f, 10, BulletColor);
}
else if (cEnemyKills >= 30) //Multi-shot
{
BulletOrigin = MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation, cPlayerShip.Width / 4);
BulletOffset = MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation + 1.570796f, cPlayerShip.Width / 5);
//Adjust it so that it's relative to the top left screen corner
BulletOrigin.Y += cPlayerShip.Top + (cPlayerShip.Height / 2);
BulletOrigin.X += cPlayerShip.Left + (cPlayerShip.Height / 2);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y + (BulletOffset.Y * 2) - 10, BulletOrigin.X + (BulletOffset.X * 2) - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y + BulletOffset.Y - 10, BulletOrigin.X + BulletOffset.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - 10, BulletOrigin.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - BulletOffset.Y - 10, BulletOrigin.X - BulletOffset.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - (BulletOffset.Y * 2) - 10, BulletOrigin.X - (BulletOffset.X * 2) - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
}
else if (cEnemyKills >= 10)
{
BulletOrigin = MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation, cPlayerShip.Width / 4);
BulletOffset = MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation + 1.570796f, cPlayerShip.Width / 5);
//Adjust it so that it's relative to the top left screen corner
BulletOrigin.Y += cPlayerShip.Top + (cPlayerShip.Height / 2);
BulletOrigin.X += cPlayerShip.Left + (cPlayerShip.Height / 2);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y + BulletOffset.Y - 10, BulletOrigin.X + BulletOffset.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - 10, BulletOrigin.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - BulletOffset.Y - 10, BulletOrigin.X - BulletOffset.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
}
else //Single shot
//Calculate coordinates of ship tip relative to its center
{
BulletOrigin = MDLN.MGTools.MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation, cPlayerShip.Width / 4);
//Adjust it so that it's relative to the top left screen corner
BulletOrigin.Y += cPlayerShip.Top + (cPlayerShip.Height / 2);
BulletOrigin.X += cPlayerShip.Left + (cPlayerShip.Height / 2);
for (Ctr = 0; Ctr <= cEnemyKillsMax; Ctr += 100)
{
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - 10, BulletOrigin.X - 10, 20, 20, cPlayerShip.cRotation, 15, BulletColor);
}
}
}
protected override void UpdateContents(GameTime CurrTime, KeyboardState CurrKeys, MouseState CurrMouse, bool ProcessMOuseEvent)
{
Vector2 SpeedAdjust, NewPos, ShipCenter;
//float RotatDegrees;
if (MouseRotate == false)
{
if (CurrKeys.IsKeyDown(Keys.Left) == true)
{
cRotation += 0.03f;
if (cRotation > 6.28318531f)
{
cRotation = 0;
}
HasChanged = true;
}
if (CurrKeys.IsKeyDown(Keys.Right) == true)
{
cRotation -= 0.03f;
if (cRotation < 0)
{
cRotation = 6.28318531f;
}
HasChanged = true;
}
if (CurrKeys.IsKeyDown(Keys.Up) == true)
{
SpeedAdjust = MGMath.CalculateXYMagnitude(cRotation, 0.1f);
cSpeedX += SpeedAdjust.X;
cSpeedY -= SpeedAdjust.Y;
}
if (CurrKeys.IsKeyDown(Keys.Down) == true)
{
SpeedAdjust = MGMath.CalculateXYMagnitude(cRotation, 0.1f);
cSpeedX -= SpeedAdjust.X;
cSpeedY += SpeedAdjust.Y;
}
}
else
{
ShipCenter.Y = Height / 2;
ShipCenter.X = Width / 2;
cRotation = MGMath.GetAngleFromPoints(ShipCenter, CurrMouse.Position.ToVector2(), true) + ImageInitialAngle;
if (cRotation != ImageInitialAngle) //Ship rotation has changed
{
HasChanged = true;
}
if (CurrKeys.IsKeyDown(Keys.W) == true)
{
cSpeedY -= SPEEDSTEP;
}
else if (cSpeedY < 0)
{
cSpeedY += SPEEDSTEP / 2;
}
if (CurrKeys.IsKeyDown(Keys.S) == true)
{
cSpeedY += SPEEDSTEP;
}
else if (cSpeedY > 0)
{
cSpeedY -= SPEEDSTEP / 2;
}
if (cSpeedY > SPEEDMAX)
{
cSpeedY = SPEEDMAX;
}
else if (cSpeedY < SPEEDMAX * -1)
{
cSpeedY = SPEEDMAX * -1;
}
if (CurrKeys.IsKeyDown(Keys.A) == true)
{
cSpeedX -= SPEEDSTEP;
}
else if (cSpeedX < 0)
{
cSpeedX += SPEEDSTEP / 2;
}
if (CurrKeys.IsKeyDown(Keys.D) == true)
{
cSpeedX += SPEEDSTEP;
}
else if (cSpeedX > 0)
{
cSpeedX -= SPEEDSTEP / 2;
}
if (cSpeedX < SPEEDMAX * -1)
{
cSpeedX = SPEEDMAX * -1;
}
else if (cSpeedX > SPEEDMAX)
{
cSpeedX = SPEEDMAX;
}
}
NewPos = TopLeft;
NewPos.X += cSpeedX;
NewPos.Y += cSpeedY;
TopLeft = NewPos;
if (Top < -1 * (cDrawRegion.Height + cDrawRegion.X))
{
Top = cGraphicsDevice.Viewport.Bounds.Height;
}
if (Top > cGraphicsDevice.Viewport.Bounds.Height)
{
Top = -1 * cDrawRegion.Height;
}
if (Left < -1 * (cDrawRegion.Width + cDrawRegion.X))
{
Left = cGraphicsDevice.Viewport.Bounds.Width;
}
if (Left > cGraphicsDevice.Viewport.Bounds.Width)
{
Left = -1 * cDrawRegion.Width;
}
}
private void CommandSentEventHandler(object Sender, string Command)
{
if (Tools.RegEx.QuickTest(Command, "^(quit|exit)$") == true)
{
Exit();
}
else if (Tools.RegEx.QuickTest(Command, "^ship *stop$") == true)
{
cPlayerShip.cSpeedX = 0;
cPlayerShip.cSpeedY = 0;
cDevConsole.AddText("Ship speed set to 0");
}
else if (Tools.RegEx.QuickTest(Command, "^ship *center$") == true)
{
cPlayerShip.Top = (cGraphDevMgr.GraphicsDevice.Viewport.Bounds.Height) / 2 - (cPlayerShip.Height / 2);
cPlayerShip.Left = (cGraphDevMgr.GraphicsDevice.Viewport.Bounds.Width) / 2 - (cPlayerShip.Width / 2);
cDevConsole.AddText("Ship position set to [X=" + cPlayerShip.Left + ", Y=" + cPlayerShip.Width + "]");
}
else if (Tools.RegEx.QuickTest(Command, "^ship *state$") == true)
{
cDevConsole.AddText("Ship Position [X=" + cPlayerShip.Top + ", Y=" + cPlayerShip.Left + "]");
cDevConsole.AddText(" Speed X=" + cPlayerShip.cSpeedX + " Y=" + cPlayerShip.cSpeedY);
cDevConsole.AddText(" Size Width=" + cPlayerShip.Width + " Height=" + cPlayerShip.Height);
}
else if (Tools.RegEx.QuickTest(Command, "^fire *spread$") == true)
{
cDevConsole.AddText("Firing Spread");
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation - 0.628f, 10, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation - 0.314f, 10, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation, 10, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation + 0.314f, 10, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], cPlayerShip.Top + (cPlayerShip.Height / 2) - 10, cPlayerShip.Left + (cPlayerShip.Height / 2) - 10, 20, 20, cPlayerShip.cRotation + 0.628f, 10, Color.White);
}
else if (Tools.RegEx.QuickTest(Command, "^fire *multi-?(ple|shot)$") == true)
{
cDevConsole.AddText("Firing Multi-Shot");
Vector2 BulletOrigin, BulletOffset;
BulletOrigin = MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation, cPlayerShip.Width / 4);
BulletOffset = MGMath.CalculateXYMagnitude(-1 * cPlayerShip.cRotation + 1.570796f, cPlayerShip.Width / 5);
//Adjust it so that it's relative to the top left screen corner
BulletOrigin.Y += cPlayerShip.Top + (cPlayerShip.Height / 2);
BulletOrigin.X += cPlayerShip.Left + (cPlayerShip.Height / 2);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y + (BulletOffset.Y * 2) - 10, BulletOrigin.X + (BulletOffset.X * 2) - 10, 20, 20, cPlayerShip.cRotation, 15, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y + BulletOffset.Y - 10, BulletOrigin.X + BulletOffset.X - 10, 20, 20, cPlayerShip.cRotation, 15, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - 10, BulletOrigin.X - 10, 20, 20, cPlayerShip.cRotation, 15, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - BulletOffset.Y - 10, BulletOrigin.X - BulletOffset.X - 10, 20, 20, cPlayerShip.cRotation, 15, Color.White);
cPlayerBullets.AddParticle(cTextureDict[Textures.Bullet], BulletOrigin.Y - (BulletOffset.Y * 2) - 10, BulletOrigin.X - (BulletOffset.X * 2) - 10, 20, 20, cPlayerShip.cRotation, 15, Color.White);
}
else if (Tools.RegEx.QuickTest(Command, "^new *asteroid$") == true)
{
cDevConsole.AddText("Spawning Asteroid");
cAsteroids.AddParticle(cTextureDict[Textures.Asteroid], cPlayerShip.Top + (cPlayerShip.Height / 2) - 50, cPlayerShip.Left + (cPlayerShip.Height / 2) - 50, 100, 100, cPlayerShip.cRotation - 0.628f, 2, Color.White);
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*ast(eroid)?\s*count\s*?$") == true)
{
cDevConsole.AddText("Current Asteroid Count: " + cAsteroids.ParticleList.Count);
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*ast(eroid)?\s*clear$") == true)
{
cDevConsole.AddText("Destroying all asteroids");
cAsteroids.ParticleList.Clear();
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*mouse\s*turn\s*=\s*(on|true|enable|1)\s*$") == true)
{
cDevConsole.AddText("Using mouse position to rotate ship");
cPlayerShip.MouseRotate = true;
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*mouse\s*turn\s*=\s*(off|false|disable|0)\s*$") == true)
{
cDevConsole.AddText("Using arrow keys to rotate ship");
cPlayerShip.MouseRotate = false;
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*(spawn|new)\s*hunter\s*$") == true)
{
cDevConsole.AddText("Spawning new hunter UFO");
Vector2 StartPos = new Vector2(-50, -50);
CreateNewHunter(100, StartPos);
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*(sparkles|particles)\s*$") == true)
{
Particle2D NewSparkle;
Vector2 Speed;
cDevConsole.AddText("Particle burst on player ship");
for (int Ctr = 0; Ctr < 25; Ctr++)
{
NewSparkle = new Particle2D(cGraphDevMgr.GraphicsDevice);
NewSparkle.AlphaFade = true;
NewSparkle.TimeToLive = 100 + (cRandom.NextDouble() * 1000);
NewSparkle.Height = 10;
NewSparkle.Width = 10;
NewSparkle.TopLeft.X = cPlayerShip.Left + (cPlayerShip.Width / 2);
NewSparkle.TopLeft.Y = cPlayerShip.Top + (cPlayerShip.Height / 2);
NewSparkle.Image = cTextureDict[Textures.Bullet];
NewSparkle.Rotation = (float)(cRandom.NextDouble() * 6.2f);
Speed = MGMath.CalculateXYMagnitude(NewSparkle.Rotation, (float)(cRandom.NextDouble() * 5));
NewSparkle.SpeedX = Speed.X;
NewSparkle.SpeedY = Speed.Y;
NewSparkle.Tint = Color.White;
cSparkles.AddParticle(NewSparkle);
}
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*(headlight|flashlight|dark)\s*=\s*(1|true|enable)\s*$") == true)
{
cDevConsole.AddText("Headlight mode enabled.");
cHeadlightMode = true;
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*(headlight|flashlight|dark)\s*=\s*(0|false|disable)\s*$") == true)
{
cDevConsole.AddText("Headlight mode disabled.");
cHeadlightMode = false;
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*stats\s*=\s*(1|true|enable|on)\s*$") == true)
{
cDevConsole.AddText("Stats enabled.");
cShowStats = true;
}
else if (Tools.RegEx.QuickTest(Command, @"^\s*stats\s*=\s*(0|false|disable|off)\s*$") == true)
{
cDevConsole.AddText("Stats disabled.");
cShowStats = false;
}
else
{
cDevConsole.AddText("Unrecognized command: " + Command);
}
}
public override bool Update(GameTime CurrTime)
{
Vector2 MyCenter, TargetCenter, Speed;
float Distance;
MyCenter.X = TopLeft.X + (Width / 2);
MyCenter.Y = TopLeft.Y + (Height / 2);
TargetCenter = TargetObject.GetCenterCoordinates();
Rotation = MGMath.GetAngleFromPoints(MyCenter, TargetCenter, true);
Distance = MGMath.SquaredDistanceBetweenPoints(MyCenter, TargetCenter);
if ((Distance >= MaxDistanceFromTarget * MaxDistanceFromTarget) && (cStrafeDirection != 0)) //Too far away get closer
{
Speed = MGMath.CalculateXYMagnitude(Rotation, 3);
cStrafeDirection = 0;
}
else if ((Distance >= (MaxDistanceFromTarget * MaxDistanceFromTarget * 0.8f * 0.8f)) && (cStrafeDirection == 0)) //If moving forward overshoot a bit
{
Speed = MGMath.CalculateXYMagnitude(Rotation, 3);
}
else if (Distance <= MinDistanceFromTarget * MinDistanceFromTarget) //Too close back away
{
Speed = MGMath.CalculateXYMagnitude(Rotation + 3.14f, 3);
cStrafeDirection = 0;
}
else if ((Distance <= MinDistanceFromTarget * MinDistanceFromTarget * 1.2f * 1.2f) && (cStrafeDirection == 0)) //If backing away overshoot a bit
{
Speed = MGMath.CalculateXYMagnitude(Rotation + 3.14f, 3);
}
else //Close enough, circle
{
if (cStrafeDirection == 0)
{
if (cRand.Next(1, 3) == 1)
{
cStrafeDirection = -1;
}
else
{
cStrafeDirection = 1;
}
}
Speed = MGMath.CalculateXYMagnitude(Rotation + 1.57f, 2);
Speed.X *= cStrafeDirection;
Speed.Y *= cStrafeDirection;
}
SpeedX = (SpeedX + Speed.X) / 2;
SpeedY = (SpeedY + Speed.Y) / 2;
TopLeft.X += SpeedX;
TopLeft.Y -= SpeedY;
if (cLastShot == 0)
{
cLastShot = CurrTime.TotalGameTime.TotalMilliseconds + 1500 + cRand.Next(1000);
}
if (cLastShot < CurrTime.TotalGameTime.TotalMilliseconds)
{
Vector2 BulletOrigin;
BulletOrigin.Y = TopLeft.Y + (Height / 2);
BulletOrigin.X = TopLeft.X + (Height / 2);
Rotation += (float)(cRand.Next(-10, 10) * (Math.PI / 180.0)); //Randmize the direction so that it's not perfect (+/- 10 degrees)
BulletManager.AddParticle(BulletTexture, BulletOrigin.Y - 10, BulletOrigin.X - 10, 20, 20, Rotation, 8, new Color(255, 75, 75, 255));
cLastShot = CurrTime.TotalGameTime.TotalMilliseconds + 1500 + cRand.Next(1000);
}
return(true);
}
