public static bool ShiftCollision(Vector3 planeChange)
{
for (int i = 0; i < groundsArray.Length; i++)
{
groundBoundingBox = groundsArray[i].BoundingBox;
var groundMin = groundBoundingBox.Center - new Vector3(groundBoundingBox.HalfWidth, groundBoundingBox.HalfHeight);
var pBoundingBox = player.BoundingBox;
var unitMax = pBoundingBox.Center + new Vector3(pBoundingBox.HalfWidth, pBoundingBox.HalfHeight) + pBoundingBox.Velocity * Time.deltaTime;
if (groundMin.x > unitMax.x)
{
break;
}
var BoundingBoxCenter = pBoundingBox.Center + planeChange;
AABB3D checkBoundingBox = new AABB3D(BoundingBoxCenter, pBoundingBox.HalfWidth * 2,
pBoundingBox.HalfHeight * 2, pBoundingBox.HalfDepth * 2);
if (aabbIntersection.Intersect(groundBoundingBox, checkBoundingBox))
{
return false;
}
//if (Math.Abs(groundBoundingBox.Center.z - (playerBoundingBox.Center.z + planeChange.z))
// > (groundBoundingBox.HalfDepth + playerBoundingBox.HalfDepth))
// return false;
}
return true;
}
private void normalCollision(AABB3D movingBox, AABB3D b0, AABB3D b1)
{
resetNormals(b0);
wy = (movingBox.HalfWidth * 2 + b1.HalfWidth * 2) * (movingBox.Center.y - b1.Center.y);
hx = (movingBox.HalfHeight * 2 + b1.HalfHeight * 2) * (movingBox.Center.x - b1.Center.x);
if (wy > hx)
{
if (wy > -hx && b1.IgnoreCollision != IgnoreCollision.Y_AXIS)
{
b0.NormalCollision[1] = Vector3.down;
}
else if(b1.IgnoreCollision != IgnoreCollision.X_AXIS)
{
b0.NormalCollision[0] = Vector3.right;
}
}
else
{
if (wy > -hx && b1.IgnoreCollision != IgnoreCollision.X_AXIS)
{
b0.NormalCollision[0] = Vector3.left;
}
else if(b1.IgnoreCollision != IgnoreCollision.Y_AXIS)
{
b0.NormalCollision[1] = Vector3.up;
}
}
}
protected override void Start()
{
// TODO remove player checks from this class once a better solution than flipping the elbo is found
if (this is Player)
{
playerWrist = GameObject.FindGameObjectWithTag("GunRotator");
gunFlip = playerWrist.GetComponent<Gun>();
}
var boxCollider = gameObject.GetComponent<BoxCollider>();
rotationBox = new AABB3D(Vector3.zero,
boxCollider.size.x * transform.lossyScale.x,
boxCollider.size.y * transform.lossyScale.y,
boxCollider.size.z * transform.lossyScale.z);
if (transform.GetChild(preventDeformation).name == "PreventDeformedObject")
{
findModelWithDeformationProtection();
}
else
{
findModelWithoutDeformationProtection();
}
base.Start();
}
public bool TestMovingAABB(AABB3D b0, Vector3 d, float time0, float time1,
AABB3D b1, ref float time)
{
float mid = (time0 + time1) * 0.5f;
float midTest = mid - time0;
Vector3 adjustedD = d * mid;
//Debug.Log("Time tested: " + centerTest);
b.Center = b0.Center + adjustedD;
b.HalfWidths[0] = midTest * d.magnitude + b0.HalfWidth;
b.HalfWidths[1] = midTest * d.magnitude + b0.HalfHeight;
b.HalfWidths[2] = midTest * d.magnitude + b0.HalfDepth;
//b = new AABB3D(b0.Center + adjustedD, midTest * d.magnitude
// + (b0.HalfWidth * 2), midTest * d.magnitude
// + (b0.HalfHeight * 2), midTest * d.magnitude
// + (b0.HalfDepth * 2));
//Debug.Log(b);
//intervalHalvedRects.Add(b);
//b0.DrawBoundingBox(Color.green);
//foreach (var rects in intervalHalvedRects)
//{
// rects.DrawBoundingBox(Color.red);
//}
if (!aabbIntersection.Intersect(b, b1))
return false;
if (time1 - time0 < 0.1f)
{
normalCollision(b, b0, b1);
time = time0;
return true;
}
if (TestMovingAABB(b0, d, time0, mid, b1, ref time))
return true;
return TestMovingAABB(b0, d, mid, time1, b1, ref time);
}
private void resetNormals(AABB3D checkedObject)
{
for (int i = 0; i < checkedObject.NormalCollision.Length; i++)
{
checkedObject.NormalCollision[i] = Vector3.zero;
}
}
public void UpdateAABB(AABB3D a, float[][] m, Vector3 t, ref AABB3D b)
{
Vector3 modify = b.Center;
modify.x = t.x;
modify.y = t.y;
modify.z = t.z;
b.HalfHeight = 0.0f;
b.HalfWidth = 0.0f;
b.HalfDepth = 0.0f;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (i == 0)
{
if(j == 0)
{
modify.x += m[i][j] * a.Center.x;
b.HalfWidth += Math.Abs(m[i][j]) * a.HalfWidth;
}
else if (j == 1)
{
modify.x += m[i][j]*a.center.y;
b.HalfWidth += Math.Abs(m[i][j]) * a.HalfHeight;
}
else if (j == 2)
{
modify.x += m[i][j]*a.center.z;
b.HalfWidth += Math.Abs(m[i][j])*a.HalfDepth;
}
}
else if (i == 1)
{
if(j == 0)
{
modify.y += m[i][j] * a.Center.x;
b.HalfHeight += Math.Abs(m[i][j]) * a.HalfWidth;
}
else if(j == 1)
{
modify.y += m[i][j] * a.Center.y;
b.HalfHeight += Math.Abs(m[i][j]) * a.HalfHeight;
}
else if (j == 2)
{
modify.y += m[i][j]*a.Center.z;
b.HalfHeight += Math.Abs(m[i][j])*a.HalfDepth;
}
}
else if (i == 2)
{
if (j == 0)
{
modify.z += m[i][j]*a.Center.x;
b.HalfDepth += Math.Abs(m[i][j])*a.HalfWidth;
}
else if (j == 1)
{
modify.z += m[i][j]*a.Center.y;
b.HalfDepth += Math.Abs(m[i][j])*a.HalfHeight;
}
else if (j == 2)
{
modify.z += m[i][j]*a.Center.z;
b.HalfDepth += Math.Abs(m[i][j])*a.HalfDepth;
}
}
}
}
b.Center = modify;
}
public void CLosestPointptAABB(Vector3 p, AABB3D b, ref Vector3 q)
{
for (int i = 0; i < 3; i++)
{
float v = p[i];
if (v < b.HalfWidths[i]*2)
v = b.Center[i] - b.HalfWidths[i];
if (v > b.HalfWidths[i]*2)
v = b.Center[i] + b.HalfWidths[i];
q[i] = v;
}
}
public void CalculateNormal(AABB3D collided)
{
}
public AABB3D AdjustForHitTime(AABB3D movingBox,
Vector3 velocity, float hitTime)
{
//hitTime = 1.0f - clamp(hitTime - float.Epsilon, 0f, 1f);
Vector3 adjustedCenter = movingBox.Center + (velocity*hitTime);
float width = (movingBox.HalfWidth*2) + (velocity.x*hitTime);
float height = (movingBox.HalfHeight * 2) + (velocity.y * hitTime);
float depth = (movingBox.HalfDepth*2) + (velocity.z*hitTime);
AABB3D test = new AABB3D(adjustedCenter, width,
height,
depth);
//Vector3 direction = velocity;
//direction.Normalize();
//test.Center += new Vector3(direction.x * test.HalfWidth, direction.y * test.HalfHeight,
// direction.z * test.HalfDepth);
if (hitTime < 1.0f)
{
Debug.Log("---------------" + hitTime);
}
test.DrawBoundingBox(Color.blue);
//if (Velocity != Vector3.zero)
//{
// Debug.Log("Center hit point: " + test.center.ToString());
// Debug.Log("Actual Center: " + center.ToString());
//}
return test;
}
private void GroundCollision()
{
quicksort(unitPhysicsMediators, 0, unitPhysicsMediators.Length - 1);
float hitTime = 0f;
for (int k = 0; k < unitPhysicsMediators.Length; k++)
{
try
{
unitPhysicsMediators[k].UpdateVelocity(gravity);
playerBoundingBox = unitPhysicsMediators[k].BoundingBox;
}
catch (MissingReferenceException e)
{
Debug.Log("Test");
throw e;
}
for (int i = 0; i < groundsArray.Length; i++)
{
groundBoundingBox = groundsArray[i].BoundingBox;
var groundMin = groundBoundingBox.Center - new Vector3(groundBoundingBox.HalfWidth, groundBoundingBox.HalfHeight);
var unitMax = playerBoundingBox.Center + new Vector3(playerBoundingBox.HalfWidth, playerBoundingBox.HalfHeight) + playerBoundingBox.Velocity * Time.deltaTime;
if (groundMin.x > unitMax.x)
{
break;
}
if (aabbIntersection.Intersect(playerBoundingBox, groundBoundingBox))
{
var penetrationVector = playerBoundingBox.Center - groundBoundingBox.Center;
unitPhysicsMediators[k].UpdateVelocity(Vector3.up * penetrationVector.y - gravity);
}
else if (sweep.TestMovingAABB(playerBoundingBox,
playerBoundingBox.Velocity * Time.deltaTime, 0f, 1f,
groundBoundingBox, ref hitTime))
{
float actualHittime = 1.0f - hitTime;
if (playerBoundingBox.NormalCollision[0].x > 0.0f)
{
velocity.x = playerBoundingBox.Velocity.x;
velocity.y = 0.0f;
velocity.z = 0.0f;
unitPhysicsMediators[k].UpdateVelocity(-velocity * actualHittime);
}
else if (playerBoundingBox.NormalCollision[0].x < 0.0f)
{
velocity.x = playerBoundingBox.Velocity.x;
velocity.y = 0.0f;
velocity.z = 0.0f;
unitPhysicsMediators[k].UpdateVelocity(-velocity * actualHittime);
}
// TODO find out if better way for avoiding getting caught in platforms
if (playerBoundingBox.NormalCollision[1].y < 0.0f && playerBoundingBox.Velocity.y < 0.0f)
{
velocity.x = 0.0f;
velocity.y = playerBoundingBox.Velocity.y;
velocity.z = 0.0f;
unitPhysicsMediators[k].UpdateVelocity(-velocity * actualHittime);
}
}
else if (unitPhysicsMediators[k] is Player && unitPhysicsMediators[k].velocity.y < Vector3.zero.y &&
(unitPhysicsMediators[k] as Player).TouchGroundFrameCount > 2)
{
(unitPhysicsMediators[k] as Player).TouchGroundFrameCount = 0;
}
}
try
{
unitPhysicsMediators[k].UpdatePosition();
unitPhysicsMediators[k].ResetVelocity();
}
catch (MissingReferenceException e)
{
throw e;
}
}
}
private int findPosition(PhysicsMediator[] ground, AABB3D movable)
{
for (int i = 0; i < ground.Length; i++)
{
if (ground[i].BoundingBox.Center.x > movable.Center.x)
{
Debug.Log(i);
return i;
}
}
Debug.Log(0);
return 0;
}
private int compareAABBS(PhysicsMediator left, PhysicsMediator right)
{
float leftMin = 0f;
float rightMin = 0f;
if(left == null)
{
return 1;
}
else if( right == null)
{
return -1;
}
else
{
a = left.BoundingBox;
b = right.BoundingBox;
leftMin = a.Center.x - a.HalfWidth;
rightMin = b.Center.x - b.HalfWidth;
}
if (leftMin < rightMin)
return -1;
if (leftMin > rightMin)
return 1;
return 0;
}