public bool CanSee(NPC npc, Obstacle obs)
{
Vector2 viewDir = npc.visions[numVisions/2].viewDirection;
double angle1 = 2 * Math.PI + Math.Atan2(-1*(double)viewDir.Y, (double)viewDir.X);
Vector2 obsDir = obs.position - npc.position;
double angle2 = 2 * Math.PI + Math.Atan2(-1*(double)obsDir.Y, (double) obsDir.X);
double diff = angle1 - angle2;
if (Math.Abs(diff) > Math.PI)
diff = Math.Abs(diff) - 2 * Math.PI;
if (Math.Abs(diff) < viewWidth + Math.PI / 2)
{
if (distance2((Entity)npc, (Entity)obs) < viewDistance * viewDistance + 30000)
return true;
}
return false;
}
public void CreateObstacle(ObstacleType type, Vector2 pos)
{
Obstacle obstacle = new Obstacle();
obstacle.position = pos;
obstacle.tag = type;
switch (type)
{
case ObstacleType.Bush:
obstacle.sprite = bushTexture;
obstacle.canOverlapWith = true;
obstacle.canSeeThrough = false;
obstacle.rectangleBounds = new Point(BUSH_SPRITE_SIZE_X, BUSH_SPRITE_SIZE_Y);
break;
case ObstacleType.Tree:
obstacle.sprite = treeTexture;
obstacle.canOverlapWith = false;
obstacle.canSeeThrough = false;
obstacle.rectangleBounds = new Point(TREE_SPRITE_SIZE_X, TREE_SPRITE_SIZE_Y);
break;
case ObstacleType.Fountain:
obstacle.sprite = fountainTextureOff;
obstacle.canOverlapWith = false;
obstacle.canSeeThrough = true;
obstacle.rectangleBounds = new Point(FOUNTAIN_SPRITE_SIZE_X, FOUNTAIN_SPRITE_SIZE_Y);
break;
case ObstacleType.Pond:
obstacle.sprite = pondTexture;
obstacle.canOverlapWith = false;
obstacle.canSeeThrough = true;
obstacle.rectangleBounds = new Point(POND_SPRITE_SIZE_X, POND_SPRITE_SIZE_Y);
break;
case ObstacleType.Trash:
obstacle.sprite = trashTexture;
obstacle.canOverlapWith = false;
obstacle.canSeeThrough = true;
obstacle.rectangleBounds = new Point(TRASH_SPRITE_SIZE_X, TRASH_SPRITE_SIZE_Y);
break;
case ObstacleType.Border:
obstacle.sprite = treeTexture;
obstacle.canOverlapWith = false;
obstacle.canSeeThrough = true;
obstacle.rectangleBounds = new Point(TREE_SPRITE_SIZE_X, TREE_SPRITE_SIZE_Y);
break;
}
this.AddObstacle(obstacle);
}
public void interacts(Player p, Obstacle o)
{
switch(o.tag)
{
case ObstacleType.Bush:
// set player invisible
p.isVisible = false;
break;
case ObstacleType.Fountain:
p.currentThirst = p.maxThirst;
// slurp.play();
break;
case ObstacleType.Pond:
// do nothing
break;
case ObstacleType.Tree:
// do nothing
break;
}
}
public void AddObstacle(Obstacle obstacle)
{
obstacles.Add(obstacle);
tileController.Add(obstacle);
}
public void TurnFountainOn(Obstacle fountain)
{
fountain.sprite = fountainTextureOn;
}
public void RemoveObstacle(Obstacle obstacle)
{
obstacles.Remove(obstacle);
tileController.Remove(obstacle);
}