|
public Update ( |
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| gameTime | The GameTime which contains how much time has passed since the last update. | |
| return | void | |
public void UpdateCollisionTest()
{
WorldObject object1 = new WorldObject();
object1.Position = new Vector2(0.0f, 0.0f);
object1.Radius = 0.51f;
WorldObject object2 = new WorldObject();
object2.Position = new Vector2(0.0f, 1.0f);
object2.Radius = 0.5f;
WorldObject object3 = new WorldObject();
object3.Position = new Vector2(200, 200);
object3.Radius = 0.3f;
WorldObject object4 = new WorldObject();
object4.Position = new Vector2(200, 201);
object4.Radius = 0.8f;
WorldObject object5 = new WorldObject();
object5.Position = new Vector2(200, 200.5f);
object5.Radius = 0.1f;
world.AddWorldObject(object1);
world.AddWorldObject(object2);
mockCollisionHandler.Setup(m => m.OnCollision(object1, object2));
target = new SimplePhysicsAlgorithm(mockCollisionHandler.Object, world, configuration);
target.Update(new GameTime(new TimeSpan(0, 0, 10, 3, 0), new TimeSpan(0, 0, 0, 0, 1)));
world.AddWorldObject(object3);
world.AddWorldObject(object4);
world.AddWorldObject(object5);
target.Update(new GameTime(new TimeSpan(0, 0, 10, 3, 1), new TimeSpan(0, 0, 0, 0, 1)));
mockCollisionHandler.Verify(m => m.OnCollision(object1, object2), Times.Exactly(1));
mockCollisionHandler.Verify(m => m.OnCollision(object3, object4), Times.Exactly(1));
mockCollisionHandler.Verify(m => m.OnCollision(object4, object5), Times.Exactly(1));
}
public void UpdateDifficultyTest()
{
Mock<ConfigurationRetriever> mockConfRet = new Mock<ConfigurationRetriever>();
mockConfRet.SetupGet(m => m.Difficulty).Returns(1);
// set up a big planet
Planet bigPlanet = new Planet();
bigPlanet.IsFlexible = false;
bigPlanet.Position = new Vector2(0, 0);
bigPlanet.Radius = 300;
world.AddWorldObject(bigPlanet);
// set up a small planet
float desiredDistance = 700;
Planet smallPlanet = new Planet();
smallPlanet.IsFlexible = true;
smallPlanet.Position = new Vector2(desiredDistance, 0);
// calculate velocity needed to circuit in orbit
float smallPlanetVelocity = (float)Math.Sqrt(bigPlanet.Mass * G / desiredDistance / (N * 1000));
smallPlanet.Velocity = new Vector2(0, smallPlanetVelocity);
smallPlanet.Radius = 150;
world.AddWorldObject(smallPlanet);
target = new SimplePhysicsAlgorithm(mockCollisionHandler.Object, world, mockConfRet.Object);
target.Update(new GameTime(new TimeSpan(0, 0, 10, 3, 0), new TimeSpan(0, 0, 0, 5, 10)));
// check whether the distance between the planets is still about the same
float distance = Vector2.Distance(bigPlanet.Position, smallPlanet.Position);
Assert.IsTrue(distance <= desiredDistance + 30);
}
public void UpdateMaxSpeedTest()
{
float MAX_VELOCITY = 299792458.0f;
// create worldObjects with different speeds
WorldObject worldObject1 = new WorldObject();
worldObject1.Position = new Vector2(0.0f, 0.0f);
worldObject1.Velocity = new Vector2(MAX_VELOCITY + 5.0f, MAX_VELOCITY + 1.0f);
world.AddWorldObject(worldObject1);
WorldObject worldObject2 = new WorldObject();
worldObject2.Position = new Vector2(200, 200);
worldObject2.Velocity = Vector2.One;
world.AddWorldObject(worldObject2);
WorldObject worldObject3 = new WorldObject();
worldObject3.Position = new Vector2(-13.0f, 80.0f);
/* a² + b² = c²
* a = 50
* b = Sqrt(MAX_VELOCITY² - 50²)
* */
worldObject3.Velocity = new Vector2(50, (float) Math.Sqrt(MAX_VELOCITY * MAX_VELOCITY - 50 * 50));
world.AddWorldObject(worldObject3);
planet.Mass = 0.0;
Vector2 expectedVelocity1 = worldObject1.Velocity;
expectedVelocity1.Normalize();
expectedVelocity1 *= MAX_VELOCITY;
Vector2 expectedVelocity2 = worldObject2.Velocity;
Vector2 expectedVelocity3 = worldObject3.Velocity;
target = new SimplePhysicsAlgorithm(mockCollisionHandler.Object, world, configuration);
target.Update(new GameTime(new TimeSpan(0, 0, 10, 3, 0), new TimeSpan(0, 0, 0, 0, 1)));
Assert.AreEqual(worldObject1.Velocity, expectedVelocity1);
Assert.AreEqual(worldObject2.Velocity, expectedVelocity2);
Assert.AreEqual(worldObject3.Velocity, expectedVelocity3);
}
public void UpdateDeleteExplosionTest()
{
// create explosions
Explosion explosion1 = new Explosion();
Explosion explosion2 = new Explosion();
Explosion explosion3 = new Explosion();
explosion1.Health = 100;
explosion2.Health = 100;
explosion3.Health = 100;
explosion1.CreationTime = new TimeSpan(0, 0, 0, 0, 1); // should be destroyed at (0, 0, 0, 0, 100)
explosion2.CreationTime = new TimeSpan(0, 0, 0, 0, 250); // should be destroyed at (0, 0, 0, 0, 351)
explosion3.CreationTime = new TimeSpan(0, 0, 0, 0, 34); // should be destroyed at (0, 0, 0, 0, 135)
// create a mock world
Mock<World> mockWorld = new Mock<World>();
WorldObject[] worldObjects = { explosion1, explosion2, explosion3 };
mockWorld.SetupGet(m => m.WorldObjects).Returns(worldObjects);
mockWorld.Setup(m => m.RemoveWorldObject(explosion1));
mockWorld.Setup(m => m.RemoveWorldObject(explosion3));
// create target and call update
target = new SimplePhysicsAlgorithm(mockCollisionHandler.Object, mockWorld.Object, configuration);
target.Update(new GameTime(new TimeSpan(0, 0, 0, 0, 135), new TimeSpan(0, 0, 0, 0, 1)));
// explosions 1 and 3 should be destroyed, explosion 2 should still be there
Assert.IsTrue(explosion1.Health <= 0);
Assert.IsTrue(explosion2.Health > 0);
Assert.IsTrue(explosion3.Health <= 0);
mockWorld.Verify(m => m.RemoveWorldObject(explosion1), Times.Exactly(1));
mockWorld.Verify(m => m.RemoveWorldObject(explosion3), Times.Exactly(1));
}
