/// <summary>
/// Generates a single mesh collider from Tiled data.
/// Only relevant faces are computed.
/// Impprovement notes :
/// - Meshes could be separated if the max vertice count is reached (65536)
/// - Could use triangle strips instead of individual triangles
/// - Have more shapes available (only boxes are supported)
/// </summary>
/// <param name='tiledMap'>Tiled map.</param>
public void BuildMeshCollider(TiledMap tiledMap)
{
// Index Tiled data
TiledMap.Layer layer = tiledMap.layers [COLLISION_LAYER];
TiledMap.Tileset tileset = tiledMap.tilesets [COLLISION_TILESET];
int[] grid = new int[layer.grid.Length];
// Reverse grid Y-axis
System.Array.Copy(layer.grid, grid, grid.Length);
ConvertGridToYUp(grid, layer.width, layer.height);
// Build collider
BuildMeshCollider(grid, layer.width, layer.height, tileset.firstgid);
}
public void BuildTiles(TiledMap tiledMap, string tilesetName)
{
// Index Tiled data
TiledMap.Layer layer = tiledMap.layers[BACKGROUND_LAYER];
TiledMap.Tileset tileset = tiledMap.tilesets[tilesetName];
// Reverse grid Y-axis
int[] grid = new int[layer.grid.Length];
System.Array.Copy(layer.grid, grid, grid.Length);
ConvertGridToYUp(grid, layer.width, layer.height);
// Build tiles
BuildTiles(grid, layer.width, layer.height, tileset.firstgid, tileset.tileWidth, tileset.tileHeight);
}
private void LoadTilemap(string name)
{
// Build background
// Load map data
TiledMap tiledMap = new TiledMap();
tiledMap.LoadFromJSON(name);
width = tiledMap.width;
// Build visible tilemap with collisions
normalTilemap.collisionMapping = new int[] {
1, // [0] block
0, // [1] duck
2, // [2] spike up
3, // [3] coin
4, // ...
0,
0,
0,
0
};
normalTilemap.Build(tiledMap, "background");
normalTilemap.transform.position = new Vector3(offsetX, 0);
// Build duckland tilemap without colliders
duckWorldTilemap.Build(tiledMap, "background", false);
duckWorldTilemap.SetLayer(LayerMask.NameToLayer("DuckWorld"));
duckWorldTilemap.transform.position = new Vector3(offsetX, 0);
TiledMap.Layer bgLayer = tiledMap.layers["background"];
// Build special colliders
for (int y = 0; y < bgLayer.height; ++y)
{
for (int x = 0; x < bgLayer.width; ++x)
{
int t = bgLayer.AtYup(x, y); // Note: t starts at index 1
Vector3 pos = new Vector3(offsetX + x + 0.5f, y + 0.5f);
if (t == 3)
{
Instantiate(spikePrefab, pos, Quaternion.identity);
}
}
}
// Build collectibles
TiledMap.Layer objectLayer = tiledMap.layers["objects"];
for (int y = 0; y < objectLayer.height; ++y)
{
for (int x = 0; x < objectLayer.width; ++x)
{
int t = objectLayer.AtYup(x, y);
if (t == 4)
{
Instantiate(collectiblePrefab, new Vector3(offsetX + x + 0.5f, y + 0.5f), Quaternion.identity);
}
else if (t == 5)
{
Instantiate(cancerPrefab, new Vector3(offsetX + x + 0.5f, y + 0.5f), Quaternion.identity);
}
else if (t == 6)
{
Instantiate(goalPrefab, new Vector3(offsetX + x + 0.5f, y + 0.5f), Quaternion.identity);
}
else if (t == 7)
{
Instantiate(heartPrefab, new Vector3(offsetX + x + 0.5f, y + 0.5f), Quaternion.identity);
}
}
}
}
