/// <summary>
/// Builds a planar collision skin for the entity.
/// </summary>
/// <param name="normal">Normal of the plane.</param>
/// <param name="distance">
/// Distance along the normal to the plane. For instance, if the normal is (0,1,0), that
/// is, the Y axis, the created plane will be y = distance.
/// </param>
public void BuildCollisionPlane(Vector3 normal, float distance)
{
JigLibX.Geometry.Plane plane = new JigLibX.Geometry.Plane(normal, distance);
mCollisionSkin.RemoveAllPrimitives();
mCollisionSkin.AddPrimitive(plane, mMaterialProperties);
UpdateMaterialPropsOnCollisionSkin();
UpdateMass();
}
/// <summary>
/// Set the dimensions of the chassis, specified by the extreme corner points.
/// This will also call Car.SetupDefaultWheels();
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public virtual void SetDims(Vector3 min, Vector3 max)
{
dimsMin = min;
dimsMax = max;
Vector3 sides = max - min;
// ratio of top/bottom depths
float topBotRatio = 0.4f;
// the bottom box
Vector3 min1 = min - new Vector3(-.5f, 0f, -0.2f);
Vector3 max1 = max - new Vector3(+.5f, .0f, 0.2f);
max1.Y -= topBotRatio * sides.Y;
Box box1 = new Box(min1, Matrix.Identity, max1 - min1);
// the top box
Vector3 min2 = min;
min2.Y += topBotRatio * sides.Y;
Vector3 max2 = max;
min2.X += 1.5f;
max2.X -= 3f;
min2.Z *= 0.5f;
max2.Z *= 0.5f;
Box box2 = new Box(min2, Matrix.Identity, max2 - min2);
// the skid box
Vector3 min3 = min1;
Vector3 max3 = max1;
max3.Y = min1.Y;
min3.Y += -.1f;
Box box3 = new Box(min3, Matrix.Identity, max3 - min3);
// the waist box
Vector3 min4 = min1;
Vector3 max4 = max1;
max4.Y = min1.Y + .45f;
min4.Y += -.1f + .45f;
max4.Z = max1.Z + .2f;
min4.Z = min1.Z - .2f;
max4.X = max1.X + .4f;
min4.X = min1.X - .4f;
Box box4 = new Box(min4, Matrix.Identity, max4 - min4);
collisionSkin.RemoveAllPrimitives();
collisionSkin.AddPrimitive(box1, new MaterialProperties(0.3f, 0.9f, 0.9f));
collisionSkin.AddPrimitive(box2, new MaterialProperties(0.3f, 0.9f, 0.9f));
collisionSkin.AddPrimitive(box3, new MaterialProperties(0.0f, 0.0f, 0.0f));
collisionSkin.AddPrimitive(box4, new MaterialProperties(0.3f, 0.9f, 0.9f));
PhysicsSystem.CurrentPhysicsSystem.CollisionSystem.AddCollisionSkin(collisionSkin);
body.Car.SetupDefaultWheels();
}
/// <summary>
/// Set the dimensions of the chassis, specified by the extreme corner points.
/// This will also call Car.SetupDefaultWheels();
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public virtual void SetDims(Vector3 min, Vector3 max)
{
dimsMin = min;
dimsMax = max;
Vector3 sides = max - min;
// ratio of top/bottom depths
float topBotRatio = 0.4f;
// the bottom box
Vector3 max1 = max;
max1.Y -= topBotRatio * sides.Y;
Box box1 = new Box(min, Matrix.Identity, max1 - min);
// the top box
Vector3 min2 = min;
min2.Y += topBotRatio * sides.Y;
Vector3 max2 = max;
min2.X += sides.X * 0.05f;
max2.X -= sides.X * 0.3f;
min2.Z *= 0.9f;
max2.Z *= 0.9f;
Box box2 = new Box(min2, Matrix.Identity, max2 - min2);
collisionSkin.RemoveAllPrimitives();
collisionSkin.AddPrimitive(box1, (int)MaterialTable.MaterialID.NormalNormal, new MaterialProperties(0.3f, 0.5f, 0.3f));
collisionSkin.AddPrimitive(box2, (int)MaterialTable.MaterialID.NormalNormal, new MaterialProperties(0.3f, 0.5f, 0.3f));
body.Car.SetupDefaultWheels();
}