private void RecalculateCollisionMask()
{
List <ConvexCollisionMask> collisions = new List <ConvexCollisionMask>();
switch (_collisionShape)
{
case CollisionShape.Capsule:
case CollisionShape.ChamferCylinder:
case CollisionShape.Cone:
case CollisionShape.Cube:
case CollisionShape.Cylinder:
case CollisionShape.Sphere:
throw new ApplicationException("Unsupported CollisionShape: " + _collisionShape.ToString());
case CollisionShape.UseModel:
collisions = GetCollisions(Visual, _modifierMatrix);
break;
default:
throw new ApplicationException("Unknown CollisionShape: " + _collisionShape.ToString());
}
// Store it
if (collisions.Count == 0)
{
//NOTE: Storing null will get intercepted, and store a NullCollision
base.CollisionMask = null; // I can't call this.CollisionMask because it's shadowed
}
else if (collisions.Count == 1)
{
base.CollisionMask = collisions[0];
}
else
{
base.CollisionMask = new CompoundCollision(collisions);
}
}
private void MoveToObject(StreamWriter stream,
CollisionAPI API, CollisionShape collisionShape,
CollisionShape movingShape)
{
stream.Write("\n\n\nEntering MoveToObject\n");
// Create a MovingObject, and add movingShape to it
MovingObject mo = new MovingObject();
API.AddPartToMovingObject(mo, movingShape);
// Move movingObject 1 foot at a time toward the sphere
Vector3 toShape = collisionShape.center - movingShape.center;
stream.Write(string.Format("movingShape {0}\n", movingShape.ToString()));
stream.Write(string.Format("collisionShape {0}\nDisplacement Vector {1}\n",
collisionShape.ToString(), toShape.ToString()));
// We'll certainly get there before steps expires
int steps = (int)Math.Ceiling(toShape.Length);
// 1 foot step in the right direction
Vector3 stepVector = toShape.ToNormalized();
stream.Write(string.Format("Steps {0}, stepVector {1}\n", steps, stepVector.ToString()));
bool hitIt = false;
// Loop til we smack into something
CollisionParms parms = new CollisionParms();
for (int i = 0; i < steps; i++)
{
// Move 1 foot; if returns true, we hit something
hitIt = (API.TestCollision(mo, stepVector, parms));
stream.Write(string.Format("i = {0}, hitIt = {1}, movingShape.center = {2}\n",
i, hitIt, movingShape.center.ToString()));
if (hitIt)
{
stream.Write(string.Format("collidingPart {0}\nblockingObstacle {1}\n, normPart {2}, normObstacle {3}\n",
parms.part.ToString(), parms.obstacle.ToString(),
parms.normPart.ToString(), parms.normObstacle.ToString()));
return;
}
stream.Write("\n");
}
Debug.Assert(hitIt, "Didn't hit the obstacle");
}