public void CalculateTransforms_BeforeCollisionCheck()
{
SceneGraph graph = BuildSceneGraph();
Vector2 parentPosition = new Vector2(32, 64);
GameObject obj = new GameObject();
obj.Position = parentPosition;
obj.NoClip = false;
obj.SetCollisionSize(16, 16);
Vector2 childPosition = new Vector2(96, 128);
GameObject childObj = new GameObject();
childObj.Position = childPosition;
childObj.NoClip = false;
childObj.SetCollisionSize(16, 16);
obj.AddChild(childObj);
GameObjectCounter collisionObj = new GameObjectCounter();
collisionObj.Position = parentPosition + childPosition;
collisionObj.NoClip = false;
collisionObj.SetCollisionSize(16, 16);
graph.Add(obj);
graph.Add(collisionObj);
graph.Update();
Assert.That(collisionObj.Stats.CollisionCount, Is.EqualTo(1));
}
public void AbsolutePosition_RespectsParentRotation()
{
GameObject obj = new GameObject()
{
Rotation = MathHelper.Pi
};
GameObject child = new GameObject()
{
Position = new Vector2(32, 32)
};
obj.AddChild(child);
Vector2 expected = new Vector2(-32f, -32f);
float precision = .00001f;
Assert.That(child.AbsolutePosition, Is.Not.EqualTo(child.Position));
Assert.That(MathFunctions.FloatEquivalent(child.AbsolutePosition.X, expected.X, precision));
Assert.That(MathFunctions.FloatEquivalent(child.AbsolutePosition.Y, expected.Y, precision));
}
public void CalculateTransforms()
{
SceneGraph graph = BuildSceneGraph();
Vector2 parentPosition = new Vector2(32, 64);
GameObject obj = new GameObject();
obj.Position = parentPosition;
Vector2 childPosition = new Vector2(96, 128);
GameObject childObj = new GameObject();
childObj.Position = childPosition;
obj.AddChild(childObj);
graph.Add(obj);
graph.Update();
Assert.That(childObj.Position, Is.EqualTo(childPosition));
Assert.That(childObj.AbsolutePosition, Is.EqualTo(parentPosition + childPosition));
}
public void CollisionBounds_SetToAbsolutePosition()
{
GameObject obj = new GameObject();
obj.Position = new Vector2(32f, 64f);
GameObject child = new GameObject();
child.Position = new Vector2(32f, 32f);
obj.AddChild(child);
Vector2 expected = new Vector2(64f, 96f);
//verify child absolute position
Assert.That(child.AbsolutePosition, Is.EqualTo(expected));
//Collision bounds should be based off of AbsolutePosition
Assert.That(child.CollisionBounds.X, Is.EqualTo(child.AbsolutePosition.X));
Assert.That(child.CollisionBounds.Y, Is.EqualTo(child.AbsolutePosition.Y));
//Collision bounds should not be based off of Relateive Position
Assert.That(child.CollisionBounds.X, Is.Not.EqualTo(child.Position.X));
Assert.That(child.CollisionBounds.Y, Is.Not.EqualTo(child.Position.Y));
}
public void LockToMap_OnlyFirstLevelNodes()
{
SceneGraph graph = BuildSceneGraph();
GameObject obj = new GameObject();
obj.NoClip = false;
obj.Position = new Vector2(32, 32);
obj.SetCollisionSize(16, 16);
graph.Add(obj);
Vector2 offScreenPosition = new Vector2(-300, -300);
GameObject offScreen = new GameObject();
offScreen.NoClip = false;
offScreen.Position = offScreenPosition;
offScreen.SetCollisionSize(16, 16);
obj.AddChild(offScreen);
graph.Update();
Assert.That(offScreen.AbsolutePosition, Is.EqualTo(offScreenPosition + obj.Position));
Assert.That(offScreen.Position, Is.EqualTo(offScreenPosition));
}
