protected override void SetPositionAndMovement(SpaceRock rock, float movementSpeed)
{
var movementAngle = UnityEngine.Random.Range(0f, Mathf.PI * 2f);
var boundingSphere = new Sphere(Vector3.zero, 0f);
var element = GetComponent <SpriteElement>();
boundingSphere.Encapsulate(((SphereBounds)element.bounds).sphere);
rock.transform.localPosition = transform.localPosition +
new Vector3(Mathf.Cos(movementAngle), Mathf.Sin(movementAngle), 0f) * boundingSphere.radius * 0.5f;
rock.GetComponent <Rigidbody2D>().velocity = new Vector2(Mathf.Cos(movementAngle), Mathf.Sin(movementAngle)) * movementSpeed;
}
protected abstract void SetPositionAndMovement(SpaceRock rock, float movementSpeed);
protected override void SetPositionAndMovement(SpaceRock rock, float movementSpeed)
{
var element = rock.GetComponent <SpriteElement>();
var boundingSphere = new Sphere(Vector3.zero, 0f);
boundingSphere.Encapsulate(((SphereBounds)element.bounds).sphere);
var radius = boundingSphere.radius * 0.99f;
var width = world.untransformedAxis0Vector.magnitude;
var height = world.untransformedAxis1Vector.magnitude;
var worldSurfaceNormal = Vector3.Cross(world.untransformedAxis1Vector, world.untransformedAxis0Vector).normalized;
var axis0Normal = Vector3.Cross(world.untransformedAxis0Vector, worldSurfaceNormal).normalized;
var axis1Normal = Vector3.Cross(worldSurfaceNormal, world.untransformedAxis1Vector).normalized;
int side = UnityEngine.Random.Range(0, 2) + (UnityEngine.Random.Range(0f, width + height) < width ? 0 : 2);
float movementAngle;
switch (side)
{
case 0: // From bottom moving up.
rock.transform.localPosition =
world.untransformedOrigin
+ world.untransformedAxis0Vector * UnityEngine.Random.Range(0f, 1f)
- axis0Normal * radius;
movementAngle = UnityEngine.Random.Range(Mathf.PI * 0.25f, Mathf.PI * 0.75f);
break;
case 1: // From top moving down.
rock.transform.localPosition =
world.untransformedOrigin
+ world.untransformedAxis0Vector * UnityEngine.Random.Range(0f, 1f)
+ world.untransformedAxis1Vector
+ axis0Normal * radius;
movementAngle = UnityEngine.Random.Range(Mathf.PI * -0.75f, Mathf.PI * -0.25f);
break;
case 2: // From left moving right.
rock.transform.localPosition =
world.untransformedOrigin
+ world.untransformedAxis1Vector * UnityEngine.Random.Range(0f, 1f)
- axis1Normal * radius;
movementAngle = UnityEngine.Random.Range(Mathf.PI * -0.25f, Mathf.PI * 0.25f);
break;
case 3: // From right moving left.
rock.transform.localPosition =
world.untransformedOrigin
+ world.untransformedAxis1Vector * UnityEngine.Random.Range(0f, 1f)
+ world.untransformedAxis0Vector
+ axis1Normal * radius;
movementAngle = UnityEngine.Random.Range(Mathf.PI * 0.75f, Mathf.PI * 1.25f);
break;
default:
throw new System.NotImplementedException();
}
rock.GetComponent <Rigidbody2D>().velocity = new Vector2(Mathf.Cos(movementAngle), Mathf.Sin(movementAngle)) * movementSpeed;
}