public void update()
{
// remove outdated collisions and get current collisionPoints
collisionPoints.Clear();
List <Box2DX.Collision.Shape> cachedShapesToBeDeleted = new List <Box2DX.Collision.Shape>();
foreach (Box2DX.Collision.Shape shape in collisionShapes)
{
Box2DX.Common.Vec2[] contactPoints = new Box2DX.Common.Vec2[2];
float distance = Collision.Distance(out contactPoints[0], out contactPoints[1], this.body.GetShapeList(), this.body.GetXForm(), shape, shape.GetBody().GetXForm());
if (distance > 0.1F)
{
cachedShapesToBeDeleted.Add(shape);
}
collisionPoints.Add(contactPoints[0]);
}
foreach (Box2DX.Collision.Shape shape in cachedShapesToBeDeleted)
{
collisionShapes.Remove(shape);
}
// movement
float deltaTime = (float)Program.gameTime.EllapsedTime.TotalSeconds;
float speedFactor = 20F * deltaTime;
ControllerInput input = controller.update(this);
Vector2 inputMovement = Vector2.Zero;
inputMovement.X += input.xMovement;
if (inputMovement != Vector2.Zero)
{
movement += inputMovement * speedFactor;
}
if (input.startJumping && collisionShapes.Count != 0)
{
List <Vector2> lowerCollisionPoints = collisionPoints.FindAll((p) => (p.Y + (size.Y / 10F) >= midPoint.Y));
if (lowerCollisionPoints.Count > 0)
{
Vector2 avgCollisionPoint = Vector2.average(lowerCollisionPoints.ToArray());
if (avgCollisionPoint.lengthSqr < float.Epsilon)
{
avgCollisionPoint = midPoint + Vector2.Down;
}
Vector2 normal = (midPoint - avgCollisionPoint).normalized;
Vector2 jumpMovement = (Vector2.Up * 2 + normal).normalized * 6F;
movement = new Vector2(movement.X + jumpMovement.X, jumpMovement.Y);
}
}
float friction = 2F;
movement = new Vector2(movement.X * (1F - deltaTime * friction), movement.Y); // friction
}
public void draw(RenderWindow win, View view)
{
// Draw Player
sprite.Position = midPoint.PixelCoord;
sprite.Texture.Smooth = true;
if ((movement.X > 0.1F && sprite.Scale.X > 0F) || (movement.X < -0.1F && sprite.Scale.X < 0F))
{
sprite.Scale = new Vector2(sprite.Scale.X * -1F, sprite.Scale.Y);
}
win.Draw(sprite.updateFrame(Program.gameTime));
//
collisionRectangle.Size = new Vector2(3, 3);
collisionRectangle.Origin = new Vector2(1, 1);
collisionRectangle.FillColor = SFML.Graphics.Color.Red;
foreach (Box2DX.Collision.Shape shape in collisionShapes)
{
Box2DX.Common.Vec2[] contactPoints = new Box2DX.Common.Vec2[2];
float distance = Collision.Distance(out contactPoints[0], out contactPoints[1], this.body.GetShapeList(), this.body.GetXForm(), shape, shape.GetBody().GetXForm());
collisionRectangle.Position = ((Vector2)contactPoints[0]).PixelCoord;
win.Draw(collisionRectangle);
collisionRectangle.Position = ((Vector2)contactPoints[1]).PixelCoord;
win.Draw(collisionRectangle);
}
}
public SimData(PLAYER p, SIM_OBJ o, OBJ_ACTION a, Box2DX.Common.Vec2 pos, float angle, int id)
{
_player = p;
_obj = o;
_action = a;
_pos = pos;
_angle = angle;
_inst_id = id;
}
public PhysicsWorld(Box2DX.Common.Vec2 gravity, Box2DX.Common.Vec2 worldLowerBound, Box2DX.Common.Vec2 worldUpperBound)
{
AABB bound = new AABB();
bound.LowerBound.Set(worldLowerBound.X, worldLowerBound.Y);
bound.UpperBound.Set(worldUpperBound.X, worldUpperBound.Y);
world = new World(bound, gravity, true);
Engine.Physics.ContactListener listener = new Engine.Physics.ContactListener();
world.SetContactListener(listener);
}
public PhysicsWorld(Box2DX.Common.Vec2 gravity, AABB worldBoundaries)
{
world = new World(worldBoundaries, gravity, true);
Engine.Physics.ContactListener listener = new Engine.Physics.ContactListener();
world.SetContactListener(listener);
}
public static Microsoft.Xna.Framework.Vector2 ToVector(this Box2DX.Common.Vec2 vector)
{
return(new Microsoft.Xna.Framework.Vector2(vector.X, vector.Y));
}
public static Vector2 FromVec2(Box2DX.Common.Vec2 vector)
{
return(new Vector2(vector.X, vector.Y));
}
public static Vector3 FromVec2To3(Box2DX.Common.Vec2 vector)
{
return(new Vector3(vector.X, vector.Y, 0));
}