public CollisionResult MoveHitTestWithItem(Vector3 velocityAmount)
{
CollideSphere playerSphere = Collide as CollideSphere;
float radius = playerSphere.Radius;
// creates simulation sphere for collision.
Matrix transformSimulate = TransformedMatrix *
Matrix.CreateTranslation(velocityAmount);
CollideSphere sphereSimulate =
new CollideSphere(playerSphere.LocalCenter, radius);
sphereSimulate.Transform(transformSimulate);
sphereSimulate.Id = playerSphere.Id;
// checks for the collision with items.
CollisionResult result = FrameworkCore.CollisionContext.HitTest(
sphereSimulate,
ref colLayerItems,
ResultType.NearestOne);
if (result != null)
{
if (0.0f >= result.distance)
{
return(result);
}
}
return(null);
}
public CollisionResult MoveHitTestWithWorld(Vector3 velocityAmount)
{
CollideSphere playerSphere = Collide as CollideSphere;
float radius = playerSphere.Radius;
// calculate simulated position for collision.
Matrix transformSimulate = TransformedMatrix *
Matrix.CreateTranslation(velocityAmount);
// first, check using sphere.
{
CollideSphere simulateSphere =
new CollideSphere(playerSphere.LocalCenter, radius);
simulateSphere.Transform(transformSimulate);
simulateSphere.Id = playerSphere.Id;
CollisionResult result = FrameworkCore.CollisionContext.HitTest(
simulateSphere,
ref colLayerMoveWorld,
ResultType.NearestOne);
if (result != null)
{
return(result);
}
}
// second, check using ray.
{
Vector3 direction = velocityAmount;
direction.Normalize();
CollideRay simulateRay =
new CollideRay(playerSphere.BoundingSphere.Center, direction);
simulateRay.Id = playerSphere.Id;
CollisionResult result = FrameworkCore.CollisionContext.HitTest(
simulateRay,
ref colLayerMoveWorld,
ResultType.NearestOne);
if (result != null)
{
if (result.distance <= radius)
{
return(result);
}
}
}
return(null);
}