public void HandleCollisions()
{
// 1. Haal de car-Rectangle op. Deze is op te halen via het veld: BoundingRectangle
// 2. Zoek uit met welke tiles de Car in contact komt.
// 3. Loop door deze tiles heen en controleer vervolgens welke collision-type deze tile heeft
// 3b. Is deze tile passable?
// 3c. Is deze tile NIET passable? dan is er een collision.
//
// this.BoundingRectangle wordt gebruikt om de tiles rondom de auto te vinden.
int xLeftTile = (int)Math.Floor((float)BoundingRectangle.Left / Tile.Width);
int xRightTile = (int)Math.Ceiling((float)BoundingRectangle.Right / Tile.Width) - 1;
int yTopTile = (int)Math.Floor((float)BoundingRectangle.Top / Tile.Height);
int yBottomTile = (int)Math.Ceiling((float)BoundingRectangle.Bottom / Tile.Height) - 1;
// Loop door de verticale tiles
for (int y = yTopTile; y <= yBottomTile; ++y)
{
// En door de horizontale tiles
for (int x = xLeftTile; x <= xRightTile; ++x)
{
TileCollision collision = track.GetCollisionOfTile(x, y); // Haal collision-type op van de current Tile
Rectangle tileBoundingBox = new Rectangle(x * Tile.Width, y * Tile.Height, Tile.Width, Tile.Height);
if (!tileBoundingBox.Intersects(BoundingRectangle) || !BoundingRectangle.Intersects(tileBoundingBox))
{
break; // ?
}
switch (collision)
{
case TileCollision.Road:
isOnRoad = true;
isOnGrass = false;
isOnStrip = false;
isOnPSFuel = false;
isOnPSHealth = false;
/* Y: Could be used if we want Dirt on the map.
* isOnDirt = false;
*/
break;
case TileCollision.Grass:
isOnRoad = false;
isOnGrass = true;
isOnStrip = false;
isOnPSFuel = false;
isOnPSHealth = false;
/* Y: Could be used if we want Dirt on the map.
* isOnDirt = false;
*/
health -= 0.05f;
break;
case TileCollision.Strip:
isOnRoad = false;
isOnGrass = false;
isOnStrip = true;
isOnPSFuel = false;
isOnPSHealth = false;
/* Y: Could be used if we want Dirt on the map.
* isOnDirt = false;
*/
health -= 0.05f;
break;
case TileCollision.PitstopStrip:
this.position.X = lastCheckpoint.BoundingRectangle.Location.X;
this.position.Y = lastCheckpoint.BoundingRectangle.Location.Y;
position.X += lastCheckpoint.BoundingRectangle.Width / 2;
position.Y += lastCheckpoint.BoundingRectangle.Height / 2;
break;
case TileCollision.PitstopFuel:
isOnRoad = false;
isOnGrass = false;
isOnStrip = false;
isOnPSFuel = true;
isOnPSHealth = false;
/* Y: Could be used if we want Dirt on the map.
* isOnDirt = false;
*/
IncreaseFuel(1);
break;
case TileCollision.PitstopHealth:
isOnRoad = false;
isOnGrass = false;
isOnStrip = false;
isOnPSFuel = false;
isOnPSHealth = true;
/* Y: Could be used if we want Dirt on the map.
* isOnDirt = false;
*/
IncreaseHealth(1);
break;
/* Y: Could be used if we want Dirt on the map.
* case TileCollision.Dirt:
* isOnRoad = false;
* isOnGrass = false;
* isOnStrip = false;
* isOnPSFuel = false;
* isOnPSHealth = false;
* isOnDirt = true;
* break;
*/
case TileCollision.Water:
this.position.X = lastCheckpoint.BoundingRectangle.Location.X;
this.position.Y = lastCheckpoint.BoundingRectangle.Location.Y;
position.X += lastCheckpoint.BoundingRectangle.Width / 2;
position.Y += lastCheckpoint.BoundingRectangle.Height / 2;
break;
case TileCollision.Solid:
this.position.X = lastCheckpoint.BoundingRectangle.Location.X;
this.position.Y = lastCheckpoint.BoundingRectangle.Location.Y;
position.X += lastCheckpoint.BoundingRectangle.Width / 2;
position.Y += lastCheckpoint.BoundingRectangle.Height / 2;
break;
}
}
}
}