public Sphere(Game game, World world, Vector2 position, float density)
{
texture = new TexturedGameEntity(game, position, 0f, "Images/sphere1", 1f);
var origin = new Vector2(texture.Width/2f, texture.Height/2f);
var body = BodyFactory.CreateCircle(world, ConvertUnits.ToSimUnits(origin.X), density);
body.Restitution = 0.4f;
body.OnCollision += Body_OnCollision;
body.Friction = 50f;
body.BodyType = BodyType.Dynamic;
sphere = new TexturedPhysicsEntity(game, world, CollisionCategoriesSettings.Sphere,texture, body, origin);
//body.CollidesWith = ~CollisionCategoriesSettings.Terrain;
}
public BigWheel(Game game, World world, Vector2 position)
{
var texture = new TexturedGameEntity(game, position, 0, "Images/bigWheel", 1);
var body = BodyFactory.CreateCircle(world, ConvertUnits.ToSimUnits(texture.Width/2), 1f);
body.BodyType = BodyType.Dynamic;
wheel = new TexturedPhysicsEntity(game, world, Category.Cat31, texture, body, new Vector2(texture.Width/2f, texture.Height/2f));
revJoint = JointFactory.CreateFixedRevoluteJoint(world, wheel.Body, Vector2.Zero, ConvertUnits.ToSimUnits(wheel.Position));
revJoint.MotorEnabled = true;
revJoint.MotorSpeed = 3000;
/*revJoint.MaxMotorTorque = 3000;
revJoint.LimitEnabled = true;
revJoint.UpperLimit = 3000;*/
}
public Landscape(Game game, World world, float screenHeight, string[] images, Category collisionCategory, float zIndex)
{
parts = new List<TexturedPhysicsEntity>();
for (int i = 0; i < images.Length; i++)
{
var part = new TexturedPhysicsEntity(game, world, collisionCategory, new TexturedGameEntity(game, 0, images[i], zIndex), 1f, BodyType.Static);
parts.Add(part);
if (i == 0) // Position the first part accordingly; all of the rest will follow
{
part.X = part.Center.X;
}
else
{
part.X = part.Center.X + (parts[i - 1].Width*i);
}
part.Y = screenHeight - (part.Height - part.Center.Y);
Width += part.Width;
}
}
public Vehicle(Game game, World world, Vector2 position)
{
var chassisTexture = new TexturedGameEntity(game, position, 0, "Images/vehicle_body", 1);
parts = new List<PhysicsGameEntity>();
var chassisBody = BodyFactory.CreateRectangle(world, ConvertUnits.ToSimUnits(chassisTexture.Width), ConvertUnits.ToSimUnits(chassisTexture.Height), 10f, ConvertUnits.ToSimUnits(chassisTexture.Position));
body = new TexturedPhysicsEntity(game, world, CollisionCategoriesSettings.Vehicle, chassisTexture, chassisBody, new Vector2(chassisTexture.Width/2f, chassisTexture.Height/2f));
//var bodyVertices = new FileTextureReader(@"VerticesList\vehicle.txt").GetVertices();
//body = new TexturedPhysicsEntity(game,world,chassisTexture,bodyVertices,BodyType.Dynamic,10f);
float axisWidth = 5, axisHeight = 50;
Vector2 axisCentroid = new Vector2(axisWidth/2f, axisHeight/2f);
PhysicsGameEntity leftAxis = new PhysicsGameEntity(game, world, CollisionCategoriesSettings.Vehicle, BodyFactory.CreateRectangle(world, ConvertUnits.ToSimUnits(axisWidth), ConvertUnits.ToSimUnits(axisHeight), 10f, ConvertUnits.ToSimUnits(new Vector2(body.Position.X - 50, body.Position.Y + 15))), axisCentroid),
rightAxis = new PhysicsGameEntity(game, world, CollisionCategoriesSettings.Vehicle, BodyFactory.CreateRectangle(world, ConvertUnits.ToSimUnits(axisWidth), ConvertUnits.ToSimUnits(axisHeight), 10f, ConvertUnits.ToSimUnits(new Vector2(body.Position.X + 68, body.Position.Y + 15))), axisCentroid);
leftAxis.Angle = MathHelper.ToRadians(90);
leftWheel = new TexturedPhysicsEntity(game, world, CollisionCategoriesSettings.Vehicle, new TexturedGameEntity(game, new Vector2(leftAxis.Position.X, leftAxis.Position.Y + 20), 0, "Images/wheel_left", 1), 10f, BodyType.Static);
rightWheel = new TexturedPhysicsEntity(game, world, CollisionCategoriesSettings.Vehicle, new TexturedGameEntity(game, new Vector2(rightAxis.Position.X, rightAxis.Position.Y + 20), 0, "Images/wheel_right", 1), 10f, BodyType.Static);
ApplyToWheels();
parts.Add(body);
parts.Add(leftWheel);
parts.Add(rightWheel);
parts.Add(leftAxis);
parts.Add(rightAxis);
parts.ForEach(p => SetPartDynamics(p.Body));
leftAxisJoint = JointFactory.CreateRevoluteJoint(world, leftAxis.Body, leftWheel.Body, Vector2.Zero);
rightAxisJoint = JointFactory.CreateRevoluteJoint(world, rightAxis.Body, rightWheel.Body, Vector2.Zero);
//body.Body.BodyType = BodyType.Kinematic;
//JointFactory.CreateDistanceJoint(world, leftWheel.Body, rightWheel.Body, Vector2.Zero, Vector2.Zero);
JointFactory.CreateWeldJoint(world, body.Body, leftAxis.Body, ConvertUnits.ToSimUnits(leftAxis.Position));// ConvertUnits.ToSimUnits(new Vector2(axis1.Position.X - 40, axis1.Position.Y)), Vector2.Zero);// ConvertUnits.ToSimUnits(new Vector2(0,body.Position.Y)));
JointFactory.CreateWeldJoint(world, body.Body, rightAxis.Body, ConvertUnits.ToSimUnits(rightAxis.Position));//ConvertUnits.ToSimUnits(new Vector2(axis2.Position.X + 80, axis2.Position.Y)), Vector2.Zero);
}
void ApplyToWheel(TexturedPhysicsEntity wheel)
{
wheel.Body.Friction = 5;
wheel.Body.Restitution = 0.2f;
}
