public void collideParticleRayTrace(Particle p, float step_time, bool drag = true, bool killZero = true)
{
Vector2i posA = new Vector2i((int)p.LastPos.X, (int)p.LastPos.Y);
Vector2i posB = new Vector2i((int)p.Pos.X, (int)p.Pos.Y);
bool collided = false;
Vector2f intersectionPoint = new Vector2f(0.0f, 0.0f);
AppMath.Raytrace(posA.X, posA.Y, posB.X, posB.Y,
(x, y) =>
{
collided = this.IsObastacleAtPos(new Vector2f(x, y));
if (collided)
{
intersectionPoint.X = x;
intersectionPoint.Y = y;
p.Pos = intersectionPoint;
p.LastPos = p.Pos;
//if we want to drag to the wall:
if (drag)
{
p.Vel.X = 0.0f;
p.Vel.Y = 0.0f;
}
p.Intersects = true;
p.Life = killZero ? 0.0f : p.Life;
}
return(collided);
}
);
}
public bool checkCollisionWithWorld(cWorld world, ref Vector2f intersectionOut)
{
Vector2i posA = new Vector2i((int)this.lastPosition.X, (int)this.lastPosition.Y); //world.ToMapPos(this.lastPosition);
Vector2i posB = new Vector2i((int)this.position.X, (int)this.position.Y); // world.ToMapPos(this.Position);
bool collided = false;
Vector2f intersectionPoint = new Vector2f(0.0f, 0.0f);
AppMath.Raytrace(posA.X, posA.Y, posB.X, posB.Y,
(x, y) =>
{
collided = world.IsWallAtPos(new Vector2f(x, y)); //world.GetCurrentLevel.IsObstacleAtPos(x, y);
intersectionPoint.X = x; // = world.ToWorldPos(new Vector2i(x, y));
intersectionPoint.Y = y;
return(collided);
}
);
intersectionOut.X = intersectionPoint.X;
intersectionOut.Y = intersectionPoint.Y;
return(collided);
}
public override void Update(float step_time)
{
this.Marked = false;
Vector2f playerCenter = this.Scene.Player.Bounds.center;
double sqrDistFromPlayer = AppMath.Vec2DistanceSqrt(playerCenter, this.Bounds.center);
Vector2i posA = new Vector2i((int)this.Bounds.center.X, (int)this.Bounds.center.Y);
Vector2i posB = new Vector2i((int)this.Scene.Player.Bounds.center.X, (int)this.Scene.Player.Bounds.center.Y);
bool playerHiddenForMe = true;
Vector2f intersectionPoint = new Vector2f(0.0f, 0.0f);
if (sqrDistFromPlayer <= 80000.0) // 100 unit distance 1000000.0
{
AppMath.Raytrace(posA.X, posA.Y, posB.X, posB.Y,
(x, y) =>
{
playerHiddenForMe = this.pscene.World.IsObastacleAtPos(new Vector2f(x, y));
return(playerHiddenForMe);
}
);
//this.wake();
if (playerHiddenForMe == false)
{
this.wake();
if (playerCenter.X > this.Position.X)
{
if (velocity.X < 0.0f)
{
this.StopMovingX();
}
this.StartMovingRight();
}
if (playerCenter.X < this.Position.X)
{
if (velocity.X > 0.0f)
{
this.StopMovingX();
}
this.StartMovingLeft();
}
}
if (attacking)
{
this.StopMoving();
}
/*
* if (this.Scene.Player.Bounds.topLeft.Y < this.Bounds.topLeft.Y)
* this.StartJumping();
* else
* this.StopJumping();
*/
}
else
{
this.StopMoving();
this.sleep();
}
this.spriteControl.Update(this.GetSpriteState());
base.updateMovement(step_time);
//base.Update(step_time);
}