public override void mapCollide(Tile[,] tiles)
{
//The location a player would end up without collisions
Vector2 finalLocation = new Vector2(position.X + velocity.X, position.Y + velocity.Y);
IntVector tile = new IntVector();
int tileSize = Fired.TILE_SIZE;
//Check top collisions
if (velocity.Y > 0)
while (position.Y < finalLocation.Y)
{
position.Y += 0.1f;
tile = currentTile(position.X + Fired.CHAR_SIZE, position.Y + Fired.CHAR_SIZE);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.Y = tiles[tile.Y, tile.X].location.Y - Fired.CHAR_SIZE;
break;
}
tile = currentTile(position.X, position.Y + Fired.CHAR_SIZE);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.Y = tiles[tile.Y, tile.X].location.Y - Fired.CHAR_SIZE;
break;
}
}
//Check bottom collisions
else if (velocity.Y < 0)
while (position.Y > finalLocation.Y)
{
position.Y -= 0.1f;
tile = currentTile(position.X + Fired.CHAR_SIZE, position.Y);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.Y = tiles[tile.Y, tile.X].location.Y + tileSize + 0.1f;
break;
}
tile = currentTile(position.X, position.Y);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.Y = tiles[tile.Y, tile.X].location.Y + tileSize + 0.1f;
break;
}
}
else { }
//Reset the y position so there are no erroneous tile collisions
//location = finalLocation;
//Check right collisions
if (velocity.X > 0)
while (position.X < finalLocation.X)
{
position.X += 0.1f;
tile = currentTile(position.X + Fired.CHAR_SIZE, position.Y + Fired.CHAR_SIZE);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.X = tiles[tile.Y, tile.X].location.X - Fired.CHAR_SIZE;
break;
}
tile = currentTile(position.X + Fired.CHAR_SIZE, position.Y);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.X = tiles[tile.Y, tile.X].location.X - Fired.CHAR_SIZE;
break;
}
}
//Check left collisions
else if (velocity.X < 0)
while (position.X > finalLocation.X)
{
position.X -= 0.1f;
tile = currentTile(position.X, position.Y);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.X = tiles[tile.Y, tile.X].location.X + tileSize + 0.1f;
break;
}
tile = currentTile(position.X, position.Y + Fired.CHAR_SIZE);
if (tiles[tile.Y, tile.X].type == TileType.Collision)
{
position.X = tiles[tile.Y, tile.X].location.X + tileSize + 0.1f;
break;
}
}
else { }
//Set locations
hitBox.X = (int)position.X;
hitBox.Y = (int)position.Y;
}
//Calculate the current tile that position x,y intersects
IntVector currentTile(float x, float y)
{
IntVector v = new IntVector(-1, -1);
while (x > 0)
{
x -= Fired.TILE_SIZE;
v.X += 1;
}
while (y > 0)
{
y -= Fired.TILE_SIZE;
v.Y += 1;
}
return v;
}
