public void LoadResource(Game game)
{
Player p1 = new Player();
p1.Transformation.Position.X = 300;
p1.Transformation.Position.Y = 300;
SpriteComponent sprite = new SpriteComponent(p1.Transformation, 3);
ThrustComponent thrust = new ThrustComponent(2);
p1.AddComponent(thrust);
p1.AddComponent(sprite);
thrust.GenerateParticles(600);
Texture texture = game.LoadTexture(@"C:\Source\escape-aliens\Resources\SpaceShipRed.png");
SDL.SDL_Rect renderRect;
SDL.SDL_Rect sourceRect;
renderRect.x = 0;
renderRect.y = 0;
renderRect.w = 80;
renderRect.h = 80;
sourceRect.w = 167;
sourceRect.h = 170;
sourceRect.x = 0;
sourceRect.y = 0;
texture.RenderRectangle = renderRect;
texture.SourceRectangle = sourceRect;
sprite.AddAnimationFrame(texture);
game.Input.KeyboardBindings.AddMapping(SDL.SDL_Scancode.SDL_SCANCODE_D, p1.RotateRight);
game.Input.KeyboardBindings.AddMapping(SDL.SDL_Scancode.SDL_SCANCODE_A, p1.RotateLeft);
game.Input.KeyboardBindings.AddMapping(SDL.SDL_Scancode.SDL_SCANCODE_W, p1.Forward);
game.AddObject(p1);
Polygon2D poly = new Polygon2D();
poly.AddPoint(300, 300);
poly.AddPoint(600, 400);
poly.AddPoint(400, 500);
Texture polyText = game.LoadTexture(@"C:\Source\escape-aliens\Resources\MapForeground.png");
FilledPolygon2D filledPolygon = new FilledPolygon2D(poly, polyText);
Asteroid asteroid = new Asteroid();
asteroid.AddComponent(filledPolygon);
game.AddObject(asteroid);
}
public override void Process(Entity entity)
{
ThrustComponent tc = entity.GetComponent <ThrustComponent>();
RotationComponent rc = entity.GetComponent <RotationComponent>();
if (InputManager.Instance.isKeyReleased(Keys.Space))
{
PositionComponent pc = entity.GetComponent <PositionComponent>();
InertiaComponent ic = entity.GetComponent <InertiaComponent>();
Entity laser = this.EntityWorld.CreateEntity();
laser.AddComponent(new ProjectileComponent(15, new TimeSpan(0, 0, 0, 0, 450)));
laser.AddComponent(new PositionComponent(pc.Position));
laser.AddComponent(new RotationComponent(rc.Angle, 0f, false));
float radians = MathHelper.ToRadians(rc.Angle);
laser.AddComponent(new InertiaComponent(Vector2.Multiply(Vector2.Normalize(new Vector2((float)Math.Sin(radians), -(float)Math.Cos(radians))), laser.GetComponent <ProjectileComponent>().MaxSpeed)));
laser.AddComponent(new TextureComponent(new Coord(0, 0), "lasers", new Vector2(0, 0)));
}
}
public override void Process(Entity entity)
{
ThrustComponent tc = entity.GetComponent <ThrustComponent>();
if (tc.ForwardThrust)
{
InertiaComponent ic = entity.GetComponent <InertiaComponent>();
RotationComponent rc = entity.GetComponent <RotationComponent>();
double angleInDegrees = MathHelper.ToRadians(rc.Angle);
ic.Inertia.X += (float)Math.Sin(angleInDegrees) * tc.Acceleration;
ic.Inertia.Y += -(float)Math.Cos(angleInDegrees) * tc.Acceleration;
if (ic.Inertia.Length() > tc.MaxSpeed)
{
ic.Inertia.Normalize();
ic.Inertia = Vector2.Multiply(ic.Inertia, tc.MaxSpeed);
}
}
if (tc.BackwardThrust)
{
InertiaComponent ic = entity.GetComponent <InertiaComponent>();
RotationComponent rc = entity.GetComponent <RotationComponent>();
float currentSpeed = ic.Inertia.Length();
ic.Inertia = Vector2.Multiply(ic.Inertia, tc.Deceleration);
if (ic.Inertia.Length() < tc.Acceleration)
{
ic.Inertia.X = 0;
ic.Inertia.Y = 0;
}
}
if (tc.LeftThrust)
{
InertiaComponent ic = entity.GetComponent <InertiaComponent>();
RotationComponent rc = entity.GetComponent <RotationComponent>();
double angleInDegrees = MathHelper.ToRadians(rc.Angle - 90); // 90 degrees anti-clockwise
ic.Inertia.X += (float)Math.Sin(angleInDegrees) * 0.05f;
ic.Inertia.Y += -(float)Math.Cos(angleInDegrees) * 0.05f;
if (ic.Inertia.Length() > tc.MaxSpeed)
{
ic.Inertia.Normalize();
ic.Inertia = Vector2.Multiply(ic.Inertia, tc.MaxSpeed);
}
}
if (tc.RightThrust)
{
InertiaComponent ic = entity.GetComponent <InertiaComponent>();
RotationComponent rc = entity.GetComponent <RotationComponent>();
double angleInDegrees = MathHelper.ToRadians(rc.Angle + 90); // 90 degrees clockwise
ic.Inertia.X += (float)Math.Sin(angleInDegrees) * 0.05f;
ic.Inertia.Y += -(float)Math.Cos(angleInDegrees) * 0.05f;
if (ic.Inertia.Length() > tc.MaxSpeed)
{
ic.Inertia.Normalize();
ic.Inertia = Vector2.Multiply(ic.Inertia, tc.MaxSpeed);
}
}
}
public override void Process(Entity entity)
{
NavigationComponent nc = entity.GetComponent <NavigationComponent>();
if (nc.TargetLocation.HasValue)
{
PositionComponent pc = entity.GetComponent <PositionComponent>();
float deltaX = pc.Position.X - nc.TargetLocation.Value.X;
float deltaY = pc.Position.Y - nc.TargetLocation.Value.Y;
float distanceToTarget = (float)Math.Sqrt((deltaX * deltaX) + (deltaY * deltaY));
if (distanceToTarget < 15)
{
nc.TargetLocation = null;
entity.GetComponent <ThrustComponent>().ForwardThrust = false;
entity.GetComponent <ThrustComponent>().BackwardThrust = true;
return;
}
float angle = (float)Math.Atan2((nc.TargetLocation.Value.Y - pc.Position.Y), (nc.TargetLocation.Value.X - pc.Position.X)) + MathHelper.PiOver2;
float angleDegrees = MathHelper.ToDegrees(angle);
if (angleDegrees < 0)
{
angleDegrees += 360;
}
RotationComponent rc = entity.GetComponent <RotationComponent>();
float angleDiff = angleDegrees - rc.Angle;
if (angleDiff > 180)
{
angleDiff -= 360;
}
if (angleDiff < -180)
{
angleDiff += 360;
}
if (angleDiff < -rc.RotationSpeed)
{
entity.GetComponent <ThrustComponent>().ForwardThrust = false;
entity.GetComponent <ThrustComponent>().BackwardThrust = true;
rc.Angle -= rc.RotationSpeed;
if (rc.Angle < 0)
{
rc.Angle += 360;
}
}
else if (angleDiff > rc.RotationSpeed)
{
entity.GetComponent <ThrustComponent>().ForwardThrust = false;
entity.GetComponent <ThrustComponent>().BackwardThrust = true;
rc.Angle += rc.RotationSpeed;
if (rc.Angle > 360)
{
rc.Angle -= 360;
}
}
else
{
ThrustComponent tc = entity.GetComponent <ThrustComponent>();
InertiaComponent ic = entity.GetComponent <InertiaComponent>();
float ticksToTarget = distanceToTarget / ic.Inertia.Length();
float ticksToStop = (float)Math.Log(ic.Inertia.Length() / tc.Deceleration) / tc.Deceleration;
if (ticksToTarget > ticksToStop + 15)
{
tc.ForwardThrust = true;
tc.BackwardThrust = false;
}
else
{
tc.ForwardThrust = false;
tc.BackwardThrust = true;
}
}
}
else
{
if (entity.GetComponent <InertiaComponent>().Inertia.Length() == 0)
{
entity.GetComponent <ThrustComponent>().ForwardThrust = false;
entity.GetComponent <ThrustComponent>().BackwardThrust = false;
}
}
}
