public bool Shoot(Vector2 position, Vector2 velocity, float angle)
{
if (cyclesSinceShot < Constants.ShotDeltaCycles)
{
return(false);
}
cyclesSinceShot = 0;
MyPointF shotPoint = new MyPointF(Constants.ShotVelocity, 0f);
MyPointF rotatedPoint = shotPoint.Rotate(angle);
Vector2 shotVelocity = new Vector2(rotatedPoint.X, rotatedPoint.Y);
if (Constants.ShotAddShipVelocity)
{
shotVelocity += velocity;
}
foreach (Shot shot in shots)
{
if (!shot.Alive)
{
shot.SetShot(position, shotVelocity);
return(true);
}
}
return(false);
}
public void SetThrust(bool thrust)
{
SetFlame(thrust);
if (thrust && (state == ShipState.Normal))
{
float angle = outline.Angle + 90f;
double angleInRadians = angle * (Math.PI / 180.0f);
MyPointF acceleration = new MyPointF(Constants.EngineThrust, 0f);
acceleration = acceleration.Rotate(angle);
velocity += new Vector2(acceleration.X, acceleration.Y);
sounds |= Sounds.ShipThrust;
}
else
{
if ((sounds & Sounds.ShipThrust) != 0)
{
sounds ^= Sounds.ShipThrust;
}
}
}
// add a line at all the rotations
public static void AddLine(MyPointF end1, MyPointF end2, float scale)
{
float angleIncrement = 360f / Constants.RotateSteps;
float angle = 0.0f;
for (int step = 0; step < Constants.RotateSteps; step++) {
Shape shape = (Shape) shapes[step];
shape.AddLine(end1.Rotate(angle), end2.Rotate(angle), scale);
angle += angleIncrement;
}
}
// add a line at all the rotations
public static void AddLine(MyPointF end1, MyPointF end2, float scale)
{
float angleIncrement = 360f / Constants.RotateSteps;
float angle = 0.0f;
for (int step = 0; step < Constants.RotateSteps; step++)
{
Shape shape = (Shape)shapes[step];
shape.AddLine(end1.Rotate(angle), end2.Rotate(angle), scale);
angle += angleIncrement;
}
}
static Ship()
{
// outline of the ship, with 3 flames...
MyPointF pointNose = new MyPointF(0f, 4f);
MyPointF pointRight = new MyPointF(2f, -2f);
MyPointF pointLeft = new MyPointF(-2f, -2f);
MyPointF flameBase = new MyPointF(0f, -2f);
MyPointF flameEnd1 = new MyPointF(0f, -4f);
MyPointF flameEnd2 = new MyPointF(0.5f, -4f);
MyPointF flameEnd3 = new MyPointF(-0.5f, -4f);
RotatableShape.AddLine(pointNose, pointRight, Constants.ShipSize);
RotatableShape.AddLine(pointNose, pointLeft, Constants.ShipSize);
RotatableShape.AddLine(pointLeft, pointRight, Constants.ShipSize);
RotatableShape.AddLine(flameBase, flameEnd1, Constants.ShipSize);
RotatableShape.AddLine(flameBase, flameEnd2, Constants.ShipSize);
RotatableShape.AddLine(flameBase, flameEnd3, Constants.ShipSize);
}
private int waitCount = 10; // wait count before state transition.
#endregion Fields
#region Constructors
static Ship()
{
// outline of the ship, with 3 flames...
MyPointF pointNose = new MyPointF(0f, 4f);
MyPointF pointRight = new MyPointF(2f, -2f);
MyPointF pointLeft = new MyPointF(-2f, -2f);
MyPointF flameBase = new MyPointF(0f, -2f);
MyPointF flameEnd1 = new MyPointF(0f, -4f);
MyPointF flameEnd2 = new MyPointF(0.5f, -4f);
MyPointF flameEnd3 = new MyPointF(-0.5f, -4f);
RotatableShape.AddLine(pointNose, pointRight, Constants.ShipSize);
RotatableShape.AddLine(pointNose, pointLeft, Constants.ShipSize);
RotatableShape.AddLine(pointLeft, pointRight, Constants.ShipSize);
RotatableShape.AddLine(flameBase, flameEnd1, Constants.ShipSize);
RotatableShape.AddLine(flameBase, flameEnd2, Constants.ShipSize);
RotatableShape.AddLine(flameBase, flameEnd3, Constants.ShipSize);
}
public bool Shoot(Vector2 position, Vector2 velocity, float angle)
{
if (cyclesSinceShot < Constants.ShotDeltaCycles)
return false;
cyclesSinceShot = 0;
MyPointF shotPoint = new MyPointF(Constants.ShotVelocity, 0f);
MyPointF rotatedPoint = shotPoint.Rotate(angle);
Vector2 shotVelocity = new Vector2(rotatedPoint.X,rotatedPoint.Y);
if (Constants.ShotAddShipVelocity) {
shotVelocity += velocity;
}
foreach (Shot shot in shots) {
if (!shot.Alive) {
shot.SetShot(position, shotVelocity);
return true;
}
}
return false;
}
public static float Distance(MyPointF pt1, MyPointF pt2)
{
MyPointF delta = pt1 - pt2;
return (float) Math.Sqrt(delta.X * delta.X + delta.Y * delta.Y);
}
public static float Distance(MyPointF pt1, MyPointF pt2)
{
MyPointF delta = pt1 - pt2;
return((float)Math.Sqrt(delta.X * delta.X + delta.Y * delta.Y));
}
public void SetThrust(bool thrust)
{
SetFlame(thrust);
if (thrust && (state == ShipState.Normal)) {
float angle = outline.Angle + 90f;
double angleInRadians = angle * (Math.PI / 180.0f);
MyPointF acceleration = new MyPointF(Constants.EngineThrust, 0f);
acceleration = acceleration.Rotate(angle);
velocity += new Vector2(acceleration.X,acceleration.Y);
sounds |= Sounds.ShipThrust;
}
else {
if ((sounds & Sounds.ShipThrust) != 0)
sounds ^= Sounds.ShipThrust;
}
}