public void TestCanHit()
{
var objectVelocity = new Vector(0, 1);
Assert.IsNotNull(DynamicCollisionDetector.AreCollideWithStatic(StartPosition, objectVelocity, StaticBodyCircle));
Assert.IsNotNull(DynamicCollisionDetector.AreCollideWithStatic(StartPosition, objectVelocity, StaticBodyAABB));
}
private void CalculateEntityRespond(LivingEntity entity, Bullet bullet, List <AbstractParticleUnit> levelParticles)
{
var penetrationTimes =
DynamicCollisionDetector.AreCollideWithDynamic(bullet, entity.CollisionShape, entity.Velocity);
if (penetrationTimes == null)
{
return;
}
var penetrationPlace = bullet.Position + bullet.Velocity * penetrationTimes[0];
entity.TakeHit(bullet.Damage);
if (entity.Armor > 50)
{
bullet.IsStuck = true;
levelParticles.Add(ParticleFactory.CreateSmallBloodSplash(penetrationPlace));
}
else
{
bullet.SlowDown();
levelParticles.Add(ParticleFactory.CreateBloodSplash(penetrationPlace));
levelParticles.Add(ParticleFactory.CreateBloodSplash(penetrationPlace));
}
if (entity.IsDead)
{
if (!entity.Velocity.Equals(Vector.ZeroVector))
{
entity.MoveTo(entity.CollisionShape.Center + entity.Velocity * penetrationTimes[0]);
}
HandleKill(entity, entity.Position - bullet.Position, levelParticles);
}
}
public void TestCheckTime()
{
var objectVelocity = new Vector(0, 1);
var resultTime = new float[] { 1, 3 };
Assert.AreEqual(resultTime, DynamicCollisionDetector.AreCollideWithStatic(StartPosition, objectVelocity, StaticBodyCircle));
Assert.AreEqual(resultTime, DynamicCollisionDetector.AreCollideWithStatic(StartPosition, objectVelocity, StaticBodyAABB));
}
private void CalculateStaticPenetrations(Bullet bullet)
{
var staticShapes = currentLevel.StaticShapes;
foreach (var obstacle in staticShapes)
{
var penetrationTime = DynamicCollisionDetector.AreCollideWithStatic(bullet, obstacle);
if (penetrationTime == null)
{
continue;
}
var distanceToPenetrations = new float[2];
for (var i = 0; i < 2; i++)
{
distanceToPenetrations[i] = bullet.Speed * penetrationTime[i];
}
bullet.StaticPenetrations.Add(distanceToPenetrations);
}
bullet.CalculateTrajectory();
}
private void Dash(Core.KeyStates keyState, List <RigidShape> sceneStaticShapes)
{
CreateVelocity(keyState, DashSpeed);
if (Equals(Velocity, Vector.ZeroVector))
{
return;
}
var firstPosition = Position + Velocity.Normalize() * (Radius - 1);
var closestPenetrationTime = float.PositiveInfinity;
foreach (var shape in sceneStaticShapes)
{
var penetrationTimes = DynamicCollisionDetector.AreCollideWithStatic(firstPosition, Velocity, shape);
if (penetrationTimes == null)
{
continue;
}
if (penetrationTimes[0] < 1 && penetrationTimes[0] < closestPenetrationTime && penetrationTimes[0] > 0)
{
closestPenetrationTime = penetrationTimes[0];
}
}
if (closestPenetrationTime < 1)
{
Velocity *= closestPenetrationTime;
}
ticksFromLastDash = 0;
dashCount++;
if (dashCount == 3)
{
dashCount = 1;
}
}