public void CollideBoxBox_UnitDir_Collide()
{
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(-100, 0), 1, 1), Vector2.UnitX * 100, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(100, 0), 1, 1), -Vector2.UnitX * 100, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(0, -100), 1, 1), Vector2.UnitY * 100, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(0, 100), 1, 1), -Vector2.UnitY * 100, new Box2D(Vector2.Zero, 20, 20), 0, out _));
}
public void CollideBoxBox_CornersClipVerySmall_Collide()
{
const float clipAmount = 0.001f;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(122 - clipAmount, 0), 2, 2), new Vector2(-20, -20), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(122, 0 + clipAmount), 2, 2), new Vector2(-20, -20), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
}
public void CollideBoxBox_CornersSlidePast_NoCollide()
{
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(122, 0), 2, 2), new Vector2(-20, 20), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(122, 0), 2, 2), new Vector2(-20, -20), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(78, 0), 2, 2), new Vector2(20, 20), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(78, 0), 2, 2), new Vector2(20, -20), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
}
public void CollideBoxBox_EdgesSlidePast_NoCollide()
{
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 100), 2, 2), new Vector2(0, -200), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, -100), 2, 2), new Vector2(0, 200), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(0, 11), 2, 2), new Vector2(200, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(200, 11), 2, 2), new Vector2(-200, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
}
public void CollideBoxBox_UnitDir_NoCollide()
{
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(-100, 0), 1, 1), Vector2.Zero, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(-100, 0), 1, 1), Vector2.UnitX, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(-100, 0), 1, 1), -Vector2.UnitX, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(-100, 0), 1, 1), Vector2.UnitY, new Box2D(Vector2.Zero, 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(-100, 0), 1, 1), -Vector2.UnitY, new Box2D(Vector2.Zero, 20, 20), 0, out _));
}
public void CollideBoxBox_EdgesClipVerySmall_Collide()
{
const float clipAmount = 0.001f;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - clipAmount, 100), 2, 2), new Vector2(0, -200), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - clipAmount, -100), 2, 2), new Vector2(0, 200), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(0, 11 - clipAmount), 2, 2), new Vector2(200, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(200, 11 - clipAmount), 2, 2), new Vector2(-200, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
}
public void CollideBoxBox_Rectangles_Collide()
{
float collideTime;
Vector2 collisionNormal;
Vector2 collisionEdge;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(-310, 175), 5, 20), new Vector2(25, -50), new Box2D(new Vector2(-300, 140), 50, 1), 0,
out collideTime, out collisionNormal, out collisionEdge));
Assert.AreEqual(0.49, collideTime, 0.00001);
Assert.AreEqual(Vector2.UnitY, collisionNormal);
Assert.AreEqual(Vector2.UnitX, collisionEdge);
}
public void CollideBoxBox_CollideTime_Diagonal()
{
float collideTime;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(-20, -20), 1, 1), new Vector2(20, 20), new Box2D(Vector2.Zero, 20, 20), 0, out collideTime));
Assert.AreEqual(0.475, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(20, -20), 1, 1), new Vector2(-20, 20), new Box2D(Vector2.Zero, 20, 20), 0, out collideTime));
Assert.AreEqual(0.475, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(-20, 20), 1, 1), new Vector2(20, -20), new Box2D(Vector2.Zero, 20, 20), 0, out collideTime));
Assert.AreEqual(0.475, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(20, 20), 1, 1), new Vector2(-20, -20), new Box2D(Vector2.Zero, 20, 20), 0, out collideTime));
Assert.AreEqual(0.475, collideTime, 0.0001);
}
public void CollideBoxBox_EdgesStartTouching_NoCollide()
{
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), Vector2.Zero, new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(1, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(1, 1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(0, 1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(1, -1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(0, -1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), Vector2.Zero, new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(1, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(1, 1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(0, 1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(1, -1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(0, -1), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
}
public void CollideBoxBox_EdgesStartTouching_Collide()
{
float collideTime;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(-1, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(-1, 1), new Box2D(new Vector2(100, 0), 20, 20), 0, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 0), 2, 2), new Vector2(-1, -1), new Box2D(new Vector2(100, 0), 20, 20), 0, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(-1, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(-1, 1), new Box2D(new Vector2(100, 0), 20, 20), 0, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111, 10), 2, 2), new Vector2(-1, -1), new Box2D(new Vector2(100, 0), 20, 20), 0, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
}
public void CollideBoxBox_SlightlyPenetrating_NoCollide()
{
const float interpenetrationCorrection = 0.0001f;
const float penetrationDepth = 0.00001f;
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), Vector2.Zero, new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(1, 0), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(1, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(0, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(1, -1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(0, -1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), Vector2.Zero, new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(1, 0), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(1, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(0, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(1, -1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(0, -1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out _));
}
public void CollideBoxBox_SlightlyPenetrating_Collide()
{
const float interpenetrationCorrection = 0.0001f;
const float penetrationDepth = 0.00001f;
float collideTime;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(-1, 0), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(-1, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(-1, -1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(-1, 0), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(-1, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 10), 2, 2), new Vector2(-1, -1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection, out collideTime));
Assert.AreEqual(0.0, collideTime, 0.0001);
}
public void CollideBoxBox_ReturnedSide_XYComponents()
{
Vector2 collisionNormal;
Vector2 collisionEdge;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(0, 0), 2, 2), new Vector2(100, 1), new Box2D(new Vector2(100, 0), 20, 20), 0,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(-1, 0), collisionNormal);
Assert.AreEqual(new Vector2(0, 1), collisionEdge);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(200, 0), 2, 2), new Vector2(-100, 1), new Box2D(new Vector2(100, 0), 20, 20), 0,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(1, 0), collisionNormal);
Assert.AreEqual(new Vector2(0, 1), collisionEdge);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(100, 100), 2, 2), new Vector2(1, -100), new Box2D(new Vector2(100, 0), 20, 20), 0,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(0, 1), collisionNormal);
Assert.AreEqual(new Vector2(1, 0), collisionEdge);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(100, -100), 2, 2), new Vector2(1, 100), new Box2D(new Vector2(100, 0), 20, 20), 0,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(0, -1), collisionNormal);
Assert.AreEqual(new Vector2(1, 0), collisionEdge);
}
public void CollideBoxBox_ReturnedSide_SemiPenetrating_XYComponents()
{
const float interpenetrationCorrection = 0.0001f;
const float penetrationDepth = 0.00001f;
Vector2 collisionNormal;
Vector2 collisionEdge;
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(89 + penetrationDepth, 0), 2, 2), new Vector2(100, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(-1, 0), collisionNormal);
Assert.AreEqual(new Vector2(0, 1), collisionEdge);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(111 - penetrationDepth, 0), 2, 2), new Vector2(-100, 1), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(1, 0), collisionNormal);
Assert.AreEqual(new Vector2(0, 1), collisionEdge);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(100, 11 - penetrationDepth), 2, 2), new Vector2(1, -100), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(0, 1), collisionNormal);
Assert.AreEqual(new Vector2(1, 0), collisionEdge);
Assert.IsTrue(Collision2D.CollideBoxBox(new Box2D(new Vector2(100, -11 + penetrationDepth), 2, 2), new Vector2(1, 100), new Box2D(new Vector2(100, 0), 20, 20), interpenetrationCorrection,
out _, out collisionNormal, out collisionEdge));
Assert.AreEqual(new Vector2(0, -1), collisionNormal);
Assert.AreEqual(new Vector2(1, 0), collisionEdge);
}
public void CollideBoxBox_StopAtEdges_NoCollide()
{
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(0, 10), 2, 2), new Vector2(89, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
Assert.IsFalse(Collision2D.CollideBoxBox(new Box2D(new Vector2(200, 10), 2, 2), new Vector2(-89, 0), new Box2D(new Vector2(100, 0), 20, 20), 0, out _));
}