public static int GetWheelsOutsideRoadVerge(DrivableVehicle car)
{
var leftVerge1 = car.CurrentNode.GetLeftVerge();
var leftVerge2 = car.CurrentNode.Next.GetLeftVerge();
var rightVerge1 = car.CurrentNode.GetRightVerge();
var rightVerge2 = car.CurrentNode.Next.GetRightVerge();
int wheelsOutsideVerge = 0;
for (int wheelNumber = 0; wheelNumber < 4; wheelNumber++)
{
VehicleWheel wheel = car.Wheels[wheelNumber];
if (Utility.IsLeftOfLine(leftVerge2, leftVerge1, wheel.WorldPosition))
{
wheelsOutsideVerge++;
}
else if (!Utility.IsLeftOfLine(rightVerge2, rightVerge1, wheel.WorldPosition))
{
wheelsOutsideVerge++;
}
}
return(wheelsOutsideVerge);
}
public bool AutoDrift; //used for ai racers
public DrivableVehicle(VehicleDescription desc)
: base(desc.ModelFile)
{
Descriptor = desc;
float offset = VehicleWheel.Width / 2 - 0.1f;
Wheels = new VehicleWheel[4];
Wheels[0] = new VehicleWheel(this, _model.LeftFrontWheelPos, _model.FrontWheelSize, _model.WheelTexture, offset);
Wheels[1] = new VehicleWheel(this, _model.RightFrontWheelPos, _model.FrontWheelSize, _model.WheelTexture, -offset);
Wheels[2] = new VehicleWheel(this, _model.LeftRearWheelPos, _model.RearWheelSize, _model.WheelTexture, offset);
Wheels[3] = new VehicleWheel(this, _model.RightRearWheelPos, _model.RearWheelSize, _model.WheelTexture, -offset);
List <float> power = new List <float>(new float[] { 0.2f, 0.3f, 0.4f, 0.7f, 0.8f, 1.0f, 0.8f, 0.8f, 0.8f, 0.3f });
List <float> ratios = new List <float>(new float[] { 3.827f, 2.360f, 1.685f, 1.312f, 1.000f, 0.793f });
BaseGearbox gearbox = BaseGearbox.Create(GameConfig.ManualGearbox, ratios, 0.2f);
Motor = new Motor(power, Descriptor.Horsepower, Descriptor.Redline, gearbox);
Motor.Gearbox.GearChangeStarted += new EventHandler(Gearbox_GearChanged);
_traction = (Motor.GetPowerAtRpmForGear(Motor.RedlineRpm, 2) * 30) - 30;
BodyPitch = new Spring(1200, 1.5f, 200, 0, 1.4f);
BodyRoll = new Spring(1200, 1.5f, 180, 0, 3);
_audioProvider = new VehicleAudioProvider(this);
}
public DrivableVehicle(VehicleDescription desc)
: base(desc.ModelFile)
{
Descriptor = desc;
float offset = VehicleWheel.Width / 2 - 0.1f;
Wheels = new VehicleWheel[4];
Wheels[0] = new VehicleWheel(this, _model.LeftFrontWheelPos, _model.FrontWheelSize, _model.WheelTexture, offset);
Wheels[1] = new VehicleWheel(this, _model.RightFrontWheelPos, _model.FrontWheelSize, _model.WheelTexture, -offset);
Wheels[2] = new VehicleWheel(this, _model.LeftRearWheelPos, _model.RearWheelSize, _model.WheelTexture, offset);
Wheels[3] = new VehicleWheel(this, _model.RightRearWheelPos, _model.RearWheelSize, _model.WheelTexture, -offset);
List<float> power = new List<float>(new float[] { 0.2f, 0.3f, 0.4f, 0.7f, 0.8f, 1.0f, 0.8f, 0.8f, 0.8f, 0.3f });
List<float> ratios = new List<float>(new float[] { 3.827f, 2.360f, 1.685f, 1.312f, 1.000f, 0.793f });
BaseGearbox gearbox = BaseGearbox.Create(GameConfig.ManualGearbox, ratios, 0.2f);
Motor = new Motor(power, Descriptor.Horsepower, Descriptor.Redline, gearbox);
Motor.Gearbox.GearChangeStarted += new EventHandler(Gearbox_GearChanged);
_traction = (Motor.GetPowerAtRpmForGear(Motor.RedlineRpm, 2) * 30) - 30;
BodyPitch = new Spring(1200, 1.5f, 200, 0, 1.4f);
BodyRoll = new Spring(1200, 1.5f, 180, 0, 3);
_audioProvider = new VehicleAudioProvider(this);
}
public static void Handle(DrivableVehicle car)
{
var leftBound1 = car.CurrentNode.GetLeftBoundary();
var leftBound2 = car.CurrentNode.Next.GetLeftBoundary();
var rightBound1 = car.CurrentNode.GetRightBoundary();
var rightBound2 = car.CurrentNode.Next.GetRightBoundary();
for (int wheelNumber = 0; wheelNumber < 4; wheelNumber++)
{
VehicleWheel wheel = car.Wheels[wheelNumber];
Vector3 fenceNormal = Vector3.Zero;
bool collision = false;
float collisionAngle = 0;
float direction = 0;
if (Utility.IsLeftOfLine(leftBound2, leftBound1, wheel.WorldPosition))
{
fenceNormal = Vector3.Cross(Vector3.Normalize(leftBound2 - leftBound1), car.CurrentNode.Up);
collisionAngle = Vector3Helper.GetAngleBetweenVectors(car.Right, fenceNormal);
collision = true;
direction = -1;
}
else if (!Utility.IsLeftOfLine(rightBound2, rightBound1, wheel.WorldPosition))
{
fenceNormal = Vector3.Cross(car.CurrentNode.Up, Vector3.Normalize(rightBound2 - rightBound1));
collisionAngle = Vector3Helper.GetAngleBetweenVectors(-car.Right, fenceNormal);
collision = true;
direction = 1;
}
if (!collision)
{
continue;
}
Vector3 collisionDir = Vector3.Reflect(car.Direction, fenceNormal);
// Force car back on the road, for that calculate impulse and collision direction
// Flip at 180 degrees (if driving in wrong direction)
if (collisionAngle > MathHelper.Pi / 2)
{
collisionAngle -= MathHelper.Pi;
}
// Just correct rotation if we hit the fence at a shallow angle
if (Math.Abs(collisionAngle) < MathHelper.ToRadians(45))
{
SlideAlongFence(car, wheelNumber, collisionAngle, direction);
}
// If 90-45 degrees (in either direction), make frontal crash
// + stop car + wobble camera
else if (Math.Abs(collisionAngle) < MathHelper.Pi * 3.0f / 4.0f)
{
HandleHeadOnCrash(car, wheelNumber, collisionAngle);
}
// move away from the way slightly. We should be a bit smarter and along more of a slide along the wall..
car.Position += fenceNormal * 1.5f;
break;
}
}
