public SpriteTile NewTree(Vector2i index, Vector3 start_pos)
{
SpriteTile sprite = NewObject(index, start_pos);
// make the sprite bottom center point be the new pivot (for Skew)
sprite.Quad.Centering(TRS.Local.BottomCenter);
// make the trees move in the wind
Schedule((dt) => {
int hc = sprite.GetHashCode();
System.Random rnd2 = new System.Random(hc);
sprite.Skew = new Vector2(Math.Deg2Rad(1.0f) * FMath.Sin((float)Director.Instance.DirectorTime * 1.0f * rnd2.Next(4096) / 4096.0f),
Math.Deg2Rad(2.0f) * FMath.Sin((float)Director.Instance.DirectorTime * 3.0f * rnd2.Next(4096) / 4096.0f));
});
return(sprite);
}
public static Scene MakeForestScene()
{
// System.Console.WriteLine( "MakeForestScene" );
var scene = new Scene()
{
Name = "Forest"
};
TextureInfo ObjectsMap = new TextureInfo(new Texture2D("/Application/Sample/GameEngine2D/FeatureCatalog/data/PlanetCute/Objects.png", false), new Vector2i(7, 3));
Vector2i[] tree_indexes = new Vector2i[3];
tree_indexes[0] = PlanetCute.TreeShort;
tree_indexes[1] = PlanetCute.TreeTall;
tree_indexes[2] = PlanetCute.TreeUgly;
Math.RandGenerator rgen = new Math.RandGenerator();
Bounds2 bounds = scene.Camera2D.CalcBounds();
Vector2i numcells = new Vector2i(7, 4);
Vector2 cellsize = bounds.Size / numcells.Vector2();
System.Random rnd1 = new System.Random();
SpriteList sprite_list = new SpriteList(ObjectsMap);
// we are going to put a tree at a random location inside each cell of a regular grid
for (int x = 0; x < numcells.X; ++x)
{
// generate rows of tree top to bottom, for draw order
for (int y = numcells.Y - 1; y >= 0; --y)
{
Vector2 cellindexf = new Vector2((float)x, (float)y);
var sprite = new SpriteTile();
// sprite.TextureInfo = tree_tex[rnd1.Next(3)];
sprite.TextureInfo = ObjectsMap;
sprite.TileIndex2D = tree_indexes[rnd1.Next(3)];
// bounds for one cell
Bounds2 gen_bounds = new Bounds2(bounds.Min + cellindexf * cellsize,
bounds.Min + cellindexf * cellsize + cellsize);
// scale gen_bounds to countrols irregularity
gen_bounds = gen_bounds.Scale(new Vector2(0.6f), gen_bounds.Center);
// pick up a random point in that cell
sprite.Position = gen_bounds.Min + gen_bounds.Size * rgen.NextVector2(Math._00, Math._11);
// make the size of the tree match the size of cells, preserve texture ratio
Vector2 aspect = sprite.CalcSizeInPixels() / sprite.CalcSizeInPixels().X;
sprite.Quad.S = cellsize.X * aspect;
// make the sprite bottom center point be the new pivot (for Skew)
sprite.Quad.Centering(TRS.Local.BottomCenter);
// make the trees move in the wind
sprite.Schedule((dt) => {
int hc = sprite.GetHashCode();
System.Random rnd2 = new System.Random(hc);
sprite.Skew = new Vector2(Math.Deg2Rad(1.0f) * FMath.Sin((float)Director.Instance.DirectorTime * 1.0f * rnd2.Next(4096) / 4096.0f),
Math.Deg2Rad(2.0f) * FMath.Sin((float)Director.Instance.DirectorTime * 3.0f * rnd2.Next(4096) / 4096.0f));
});
sprite_list.AddChild(sprite);
}
}
scene.Camera2D.Center += new Vector2(0.0f, 2.0f);
scene.AddChild(sprite_list);
scene.RegisterDisposeOnExit((System.IDisposable)ObjectsMap);
return(scene);
}
