public void Gravity(float seconds, AnimatedEntity entity)
{
if (!entity.isStanding)
{
entity.velocityY = Math.Max(entity.velocityY + (seconds * -gravity), -30);
}
}
public bool PerformCollisionAgainst(string type, AnimatedEntity entity)
{
List <RectWithDirection> collisionSet = new List <RectWithDirection>();
if (type == "solid")
{
collisionSet = collisions;
}
else if (type == "win")
{
collisionSet = finishTiles;
}
else if (type == "death")
{
collisionSet = deathTiles;
}
else if (type == "coin")
{
collisionSet = coinTiles;
}
bool didCollisionOccur = false;
int leftIndex;
int rightIndex;
GetIndicesBetween(collisionSet,
entity.BoundingBoxWorld.LowerLeft.X, entity.BoundingBoxWorld.UpperRight.X, out leftIndex, out rightIndex);
var boundingBoxWorld = entity.BoundingBoxWorld;
for (int i = leftIndex; i < rightIndex; i++)
{
var separatingVector = GetSeparatingVector(boundingBoxWorld, collisionSet[i]);
if (separatingVector != CCVector2.Zero)
{
didCollisionOccur = true;
if (type == "solid")
{
entity.PositionX += separatingVector.X;
entity.PositionY += separatingVector.Y;
// refresh boundingBoxWorld:
boundingBoxWorld = entity.BoundingBoxWorld;
}
if (type == "coin")
{
var tileCords = Tilemap.LayerNamed("fg2").ClosestTileCoordAtNodePosition(collisionSet[i].ToRect().Center);
Tilemap.LayerNamed("fg2").RemoveTile(tileCords);
collisionSet.Remove(collisionSet[i]);
}
}
}
return(didCollisionOccur);
}
