public void CreateMeteor()
{
var meteorCoordinates = new Hex.OffsetCoordinates();
HexagonNeighborDirection movementDirection = 0;
var rand = new Random();
var randomMapSide = rand.Next(4);
switch (randomMapSide)
{
case 0: // left
meteorCoordinates = this.GetRandomVacantHexagon(0, 0, 0, this.MapHeight - 1);
movementDirection = rand.Next(2) == 0
? HexagonNeighborDirection.NorthEast
: HexagonNeighborDirection.SouthEast;
break;
case 1: // top
meteorCoordinates = this.GetRandomVacantHexagon(0, this.MapWidth - 1, 0, 0);
movementDirection = rand.Next(2) == 0
? HexagonNeighborDirection.SouthEast
: HexagonNeighborDirection.SouthWest;
break;
case 2: // right
meteorCoordinates = this.GetRandomVacantHexagon(this.MapWidth - 1, this.MapWidth - 1, 0, this.MapHeight - 1);
movementDirection = rand.Next(2) == 0
? HexagonNeighborDirection.NorthWest
: HexagonNeighborDirection.SouthWest;
break;
case 3: // bottom
meteorCoordinates = this.GetRandomVacantHexagon(0, this.MapWidth - 1, this.MapHeight - 1, this.MapHeight - 1);
movementDirection = rand.Next(2) == 0
? HexagonNeighborDirection.NorthEast
: HexagonNeighborDirection.NorthWest;
break;
}
var meteorHealth = rand.Next(1, 150);
var meteorDmg = meteorHealth / 4;
var meteor = new Meteor(meteorCoordinates, meteorHealth, meteorDmg, movementDirection);
var headingAngle = this.CombatMap.GetAngle(meteorCoordinates,
this.CombatMap.GetNeighborCoordinates(meteorCoordinates, (int)movementDirection));
meteor.Rotate(headingAngle);
this.AddObject(meteor);
}
public Meteor(Hex.OffsetCoordinates meteorCoordinates, int health, int damage, HexagonNeighborDirection movementDirection) : base(Player.None, health, ObjectType.Meteor, 1)
{
this.MovementDirection = movementDirection;
this.ObjectCoordinates = meteorCoordinates;
this.CollisionDamage = damage;
int meteorRadius = 15; //TODO: make meteor size dependent on it's damage
this.ObjectAppearance = new List <DrawableShape>
{
new Ellipse(new Point(-meteorRadius, -meteorRadius), Colors.DarkGray, new Size(2 * meteorRadius, 2 * meteorRadius)),
};
var darkSpots = new List <Ellipse>();
Random rand = new Random();
int minSpotRadius = meteorRadius / 7;
int maxSpotRadius = meteorRadius / 5;
for (int i = 0; i < 20; i++)
{
var spotRadius = rand.Next(minSpotRadius, maxSpotRadius + 1);
var r = rand.Next(spotRadius, meteorRadius - spotRadius);
var phi = 2 * Math.PI * rand.NextDouble();
int x = (int)(r * Math.Cos(phi)) - spotRadius;
int y = (int)(r * Math.Sin(phi)) - spotRadius;
var spotCenter = new PointF(x + spotRadius, y + spotRadius);
if (!darkSpots.Any(existingSpot => spotCenter.Distance(existingSpot.Origin + existingSpot.Size / 2) < spotRadius + existingSpot.Size.Width))
{
darkSpots.Add(new Ellipse(new Point(x, y), Colors.DimGray, new Size(2 * spotRadius, 2 * spotRadius)));
}
}
this.ObjectAppearance.AddRange(darkSpots);
var flameSweepsOnMeteor = new Dictionary <Color, double> {
{ Colors.Orange, 2 * Math.PI / 3 }, { Colors.Red, Math.PI / 4 }
};
var flameSpanAngle = Math.PI / 4;
foreach (var flameSweep in flameSweepsOnMeteor)
{
float flameBaseLengthHalf = meteorRadius * (float)Math.Sin(flameSweep.Value / 2);
float flameHeight = flameBaseLengthHalf / (float)Math.Tan(flameSpanAngle / 2);
float flameTipOffset = meteorRadius * (float)Math.Cos(flameSweep.Value / 2) + flameHeight;
// arcSpanAngle = 180 - 2 * (90 - flameSpanAngle/2) = 180 - 180 + 2 * flameSpanAngle/2 = flameSpanAngle
float arcRadius = flameHeight / (float)Math.Sin(flameSpanAngle);
var pathComponents = new List <DrawableShape>
{
new Arc(new Point(-meteorRadius, -meteorRadius),
new SizeF(2 * meteorRadius, 2 * meteorRadius),
180 - (float)(flameSweep.Value.ToDegrees() / 2),
(float)flameSweep.Value.ToDegrees()),
new Arc(new PointF(-flameTipOffset - arcRadius, -2 * arcRadius),
new SizeF(2 * arcRadius, 2 * arcRadius),
90 - (float)flameSpanAngle.ToDegrees(),
(float)flameSpanAngle.ToDegrees()),
new Arc(new PointF(-flameTipOffset - arcRadius, 0),
new SizeF(2 * arcRadius, 2 * arcRadius),
-90,
(float)flameSpanAngle.ToDegrees())
};
this.ObjectAppearance.Add(new Path(new Point(0, 0), flameSweep.Key, pathComponents));
}
}
