public void TestDropout()
{
GameState gameState = TestGameState(5, 5);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.isFood);
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
gameState.Set(new Tile[, ]
{
{ _, _, _, _, _ },
{ _, _, _, _, _ },
{ _, _, f, _, _ },
{ _, _, _, _, _ },
{ _, _, _, _, _ }
});
dut.Propagate();
gameState.Set(new Tile[, ]
{
{ _, _, _, _, _ },
{ _, _, _, _, _ },
{ _, _, _, _, _ },
{ _, _, _, _, _ },
{ _, _, _, _, _ }
});
dut.Propagate();
Assert.AreEqual(DistanceField <GameState.Tile> .Max, dut.GetDistance(2, 2));
Assert.AreEqual(DistanceField <GameState.Tile> .Max, dut.GetDistance(3, 2));
Assert.AreEqual(DistanceField <GameState.Tile> .Max, dut.GetDistance(4, 2));
}
public void Exploration1()
{
GameState gameState = TestGameState(7, 10);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.terrain == GameState.Terrain.Unknown);
const Tile u = Tile.Unseen;
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
const Tile w = Tile.Water;
Tile[,] map = new Tile[, ]
{
{ w, w, w, w, w, w, w },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, u, _, _ },
{ w, _, _, _, _, _, _ },
{ w, _, _, _, _, _, _ },
};
gameState.Set(map);
dut.Propagate();
{
Assert.AreEqual(0, dut.GetDistance(4, 7));
Assert.AreEqual(1, dut.GetDistance(3, 7));
Assert.AreEqual(2, dut.GetDistance(2, 7));
Assert.AreEqual(3, dut.GetDistance(2, 6));
Assert.AreEqual(4, dut.GetDistance(2, 5));
}
}
public void TestWater()
{
GameState gameState = TestGameState(7, 5);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.isFood);
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
const Tile w = Tile.Water;
Tile[,] map = new Tile[, ]
{
{ _, w, _, w, _, w, _ },
{ _, w, _, w, _, w, _ },
{ _, w, f, w, _, _, _ },
{ _, _, w, w, w, w, _ },
{ _, w, _, _, _, w, _ }
};
gameState.Set(map);
dut.Propagate();
Assert.AreEqual(0, dut.GetDistance(2, 2));
Assert.AreEqual(1, dut.GetDistance(2, 1));
Assert.AreEqual(2, dut.GetDistance(2, 0));
Assert.AreEqual(12, dut.GetDistance(6, 4));
}
public void TestWrap()
{
DistanceField dut = new DistanceField(7, 5, Tile.Food);
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
const Tile w = Tile.Water;
Tile[,] map = new Tile[, ]
{
{ f, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ }
};
dut.Propagate(map, 20);
Assert.AreEqual(0, dut.GetDistance(0, 0));
Assert.AreEqual(1, dut.GetDistance(0, 1));
Assert.AreEqual(1, dut.GetDistance(1, 0));
Assert.AreEqual(1, dut.GetDistance(0, 4));
Assert.AreEqual(1, dut.GetDistance(6, 0));
}
public void TestBasic_NotSquare()
{
GameState gameState = TestGameState(7, 5);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.isFood);
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
Tile[,] map = new Tile[, ]
{
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, f, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ }
};
gameState.Set(map);
dut.Propagate();
Assert.AreEqual(0, dut.GetDistance(2, 2));
Assert.AreEqual(1, dut.GetDistance(3, 2));
Assert.AreEqual(2, dut.GetDistance(4, 2));
Assert.AreEqual(1, dut.GetDistance(2, 3));
Assert.AreEqual(2, dut.GetDistance(2, 4));
Assert.AreEqual(1, dut.GetDistance(2, 1));
Assert.AreEqual(2, dut.GetDistance(2, 0));
Assert.AreEqual(1, dut.GetDistance(1, 2));
Assert.AreEqual(2, dut.GetDistance(0, 2));
}
public void TestBasic_NotSquare()
{
DistanceField dut = new DistanceField(7, 5, Tile.Food);
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
Tile[,] map = new Tile[, ]
{
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, f, _, _, _, _ },
{ _, _, _, _, _, _, _ },
{ _, _, _, _, _, _, _ }
};
dut.Propagate(map, 10);
Assert.AreEqual(0, dut.GetDistance(2, 2));
Assert.AreEqual(1, dut.GetDistance(3, 2));
Assert.AreEqual(2, dut.GetDistance(4, 2));
Assert.AreEqual(1, dut.GetDistance(2, 3));
Assert.AreEqual(2, dut.GetDistance(2, 4));
Assert.AreEqual(1, dut.GetDistance(2, 1));
Assert.AreEqual(2, dut.GetDistance(2, 0));
Assert.AreEqual(1, dut.GetDistance(1, 2));
Assert.AreEqual(2, dut.GetDistance(0, 2));
}
public void Exploration2()
{
GameState gameState = TestGameState(7, 10);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.terrain == GameState.Terrain.Unknown);
const Tile u = Tile.Unseen;
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
const Tile w = Tile.Water;
Tile[,] map = new Tile[, ]
{
{ w, w, w, w, w, w, w },
{ w, _, _, _, _, _, u },
{ w, _, _, _, _, _, u },
{ w, _, _, _, _, _, u },
{ w, _, _, _, _, _, u },
{ w, _, _, _, _, _, u },
{ w, _, _, _, _, _, u },
{ w, w, w, w, w, _, u },
{ w, _, _, _, _, _, u },
{ w, u, u, u, u, u, u },
};
gameState.Set(map);
dut.Propagate();
{
Assert.AreEqual(5, dut.GetDistance(1, 1));
Assert.AreEqual(5, dut.GetDistance(1, 2));
Assert.AreEqual(0, dut.GetDistance(6, 2));
Assert.AreEqual(1, dut.GetDistance(5, 2));
Assert.AreEqual(5, dut.GetDistance(1, 6));
}
{
Vector2i result = dut.GetDescent(1, 6).First();
Assert.AreEqual(1, result.x);
Assert.AreEqual(0, result.y);
}
}
void FixedUpdate()
{
for (int i = 0; i < orbiters.Length; i++)
{
Orbiter orbiter = orbiters[i];
Vector3 normal;
float dist = DistanceField.GetDistance(orbiter.position.x, orbiter.position.y, orbiter.position.z, out normal);
orbiter.velocity -= normal.normalized * attraction * Mathf.Clamp(dist, -1f, 1f);
orbiter.velocity += Random.insideUnitSphere * jitter;
orbiter.velocity *= .99f;
orbiter.position += orbiter.velocity;
Color targetColor;
if (dist > 0f)
{
targetColor = Color.Lerp(surfaceColor, exteriorColor, dist / exteriorColorDist);
}
else
{
targetColor = Color.Lerp(surfaceColor, interiorColor, -dist / interiorColorDist);
}
orbiter.color = Color.Lerp(orbiter.color, targetColor, Time.deltaTime * colorStiffness);
orbiters[i] = orbiter;
}
}
public void ProblemCase3_AntHills()
{
GameState gameState = TestGameState(7, 10);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.isEnemyHill);
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
const Tile w = Tile.Water;
const Tile h = Tile.TheirHill;
const Tile u = Tile.Unseen;
gameState.Set(new Tile[, ]
{
{ _, w, w, _, _, _, w },
{ _, w, w, h, _, _, w },
{ _, w, w, _, _, _, w },
{ w, w, w, _, _, _, w },
{ w, w, w, _, _, _, w },
{ _, _, _, _, _, _, w },
{ _, _, _, _, _, _, w },
{ _, _, _, _, _, _, w },
{ _, _, _, _, _, _, w },
{ w, w, w, w, w, w, w },
});
dut.Propagate();
Assert.AreEqual(1, dut.GetDistance(3, 2));
{
Vector2i r = dut.GetDescent(2, 5).First();
Assert.AreEqual(1, r.x);
Assert.AreEqual(0, r.y);
}
{
Vector2i r = dut.GetDescent(1, 5).First();
Assert.AreEqual(1, r.x);
Assert.AreEqual(0, r.y);
}
gameState.Set(new Tile[, ]
{
{ _, w, w, _, _, _, w },
{ _, w, w, u, _, _, w },
{ _, w, w, _, _, _, w },
{ w, w, w, _, _, _, w },
{ w, w, w, _, _, _, w },
{ _, _, _, _, _, _, w },
{ _, _, _, _, _, _, w },
{ _, _, _, _, _, _, w },
{ _, _, _, _, _, _, w },
{ w, w, w, w, w, w, w },
});
dut.Propagate();
Assert.AreEqual(1, dut.GetDistance(3, 2));
{
Vector2i r = dut.GetDescent(2, 5).First();
Assert.AreEqual(1, r.x);
Assert.AreEqual(0, r.y);
}
{
Vector2i r = dut.GetDescent(1, 5).First();
Assert.AreEqual(1, r.x);
Assert.AreEqual(0, r.y);
}
}
public void Exploration3()
{
GameState gameState = TestGameState(7, 10);
DistanceField <GameState.Tile> dut = new DistanceField <GameState.Tile>(gameState, gameState.map, tile => tile.terrain == GameState.Terrain.Unknown);
const Tile u = Tile.Unseen;
const Tile f = Tile.Food;
const Tile _ = Tile.Land;
const Tile w = Tile.Water;
gameState.Set(new Tile[, ]
{
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ w, w, w, _, w, w, w },
{ w, w, w, _, w, w, w },
{ w, w, w, _, w, w, w },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u }
});
dut.Propagate();
{
Assert.AreEqual(0, dut.GetDistance(3, 2));
Assert.AreEqual(1, dut.GetDistance(3, 3));
Assert.AreEqual(2, dut.GetDistance(3, 4));
Assert.AreEqual(1, dut.GetDistance(3, 5));
Assert.AreEqual(0, dut.GetDistance(3, 6));
}
gameState.Set(new Tile[, ]
{
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ w, w, w, _, w, w, w },
{ w, w, w, _, w, w, w },
{ w, w, w, _, w, w, w },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u }
});
dut.Propagate();
{
Assert.AreEqual(0, dut.GetDistance(3, 1));
Assert.AreEqual(1, dut.GetDistance(3, 2));
Assert.AreEqual(2, dut.GetDistance(3, 3));
Assert.AreEqual(2, dut.GetDistance(3, 4));
Assert.AreEqual(1, dut.GetDistance(3, 5));
Assert.AreEqual(0, dut.GetDistance(3, 6));
Vector2i r = dut.GetDescent(3, 2).First();
Assert.AreEqual(0, r.x);
Assert.AreEqual(-1, r.y);
}
gameState.Set(new Tile[, ]
{
{ u, u, u, u, u, u, u },
{ w, w, w, _, w, w, w },
{ w, w, w, _, w, w, w },
{ w, w, w, _, w, w, w },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u },
{ u, u, u, u, u, u, u }
});
dut.Propagate();
{
Assert.AreEqual(0, dut.GetDistance(3, 0));
Assert.AreEqual(1, dut.GetDistance(3, 1));
Assert.AreEqual(2, dut.GetDistance(3, 2));
Assert.AreEqual(3, dut.GetDistance(3, 3));
Assert.AreEqual(2, dut.GetDistance(3, 4));
Assert.AreEqual(1, dut.GetDistance(3, 5));
Assert.AreEqual(0, dut.GetDistance(3, 6));
Vector2i r = dut.GetDescent(3, 2).First();
Assert.AreEqual(0, r.x);
Assert.AreEqual(-1, r.y);
}
}