internal static void DrawBox(Vector3 center, DrawBoxStructure structure, LineDelegateSimple lineDelegate)
{
Vector3
posUFL = structure.UFL + center,
posUFR = structure.UFR + center,
posUBL = structure.UBL + center,
posUBR = structure.UBR + center,
posDFL = structure.DFL + center,
posDFR = structure.DFR + center,
posDBL = structure.DBL + center,
posDBR = structure.DBR + center;
//up
lineDelegate(posUFL, posUFR);
lineDelegate(posUFR, posUBR);
lineDelegate(posUBR, posUBL);
lineDelegate(posUBL, posUFL);
//down
lineDelegate(posDFL, posDFR);
lineDelegate(posDFR, posDBR);
lineDelegate(posDBR, posDBL);
lineDelegate(posDBL, posDFL);
//down to up
lineDelegate(posDFL, posUFL);
lineDelegate(posDFR, posUFR);
lineDelegate(posDBR, posUBR);
lineDelegate(posDBL, posUBL);
}
public static void DrawBoxCastHits(RaycastHit[] hits, Vector3 origin, Vector3 halfExtents, Vector3 direction, Quaternion orientation, Color color, int maxCount = -1)
{
if (maxCount < 0)
{
maxCount = hits.Length;
}
if (maxCount == 0)
{
return;
}
direction.EnsureNormalized();
DrawBoxStructure structure = new DrawBoxStructure(halfExtents, orientation);
for (int i = 0; i < maxCount; i++)
{
RaycastHit hit = hits[i];
Vector3 center = origin + direction * hit.distance;
DrawBox(center, structure, DrawLine);
}
void DrawLine(Vector3 a, Vector3 b) => lineDelegate(a, b, color);
}
internal static void DrawBox(
Vector3 center,
Vector3 halfExtents,
Quaternion orientation,
LineDelegateSimple lineDelegate)
{
DrawBoxStructure box = new DrawBoxStructure(halfExtents, orientation);
DrawBox(center, box, lineDelegate);
}
public static void DrawBoxCast(
Vector3 center,
Vector3 halfExtents,
Vector3 direction,
Quaternion orientation,
float distance,
Color colorStart,
Color colorEnd,
int iterationCount = 1)
{
direction.EnsureNormalized();
Vector3 upNormalised = orientation * new Vector3(0, 1, 0);
Vector3 rightNormalised = orientation * new Vector3(1, 0, 0);
Vector3 forwardNormalised = orientation * new Vector3(0, 0, 1);
float dotUpValue = Vector3.Dot(upNormalised, direction);
bool dotUp = dotUpValue > 0;
float dotRightValue = Vector3.Dot(rightNormalised, direction);
bool dotRight = dotRightValue > 0;
float dotForwardValue = Vector3.Dot(forwardNormalised, direction);
bool dotForward = dotForwardValue > 0;
float dotUpAbsValue = Mathf.Abs(dotUpValue);
bool aligned = dotUpAbsValue > 0.99999f || dotUpAbsValue < 0.00001f;
Color color = colorStart;
DrawBoxStructure structure = new DrawBoxStructure(halfExtents, orientation);
Vector3
uFL = structure.UFL,
uFR = structure.UFR,
uBL = structure.UBL,
uBR = structure.UBR,
dFL = structure.DFL,
dFR = structure.DFR,
dBL = structure.DBL,
dBR = structure.DBR;
DrawBox(center, structure, DrawLine);
Vector3 endCenter = center + direction * distance;
DrawBoxConnectors(center, endCenter);
color = colorEnd;
DrawBox(endCenter, structure, DrawLine);
void DrawBoxConnectors(Vector3 boxCenterA, Vector3 boxCenterB)
{
if (iterationCount <= 0)
{
return;
}
if (aligned)
{
if (dotUpAbsValue > 0.5f)
{
//Up
bool inverse = dotUpValue < 0;
DrawConnectorIterationSpecialWithInverse(uFL, uFR, dFL, dFR, inverse);
DrawConnectorIterationSpecialWithInverse(uFR, uBR, dFR, dBR, inverse);
DrawConnectorIterationSpecialWithInverse(uBR, uBL, dBR, dBL, inverse);
DrawConnectorIterationSpecialWithInverse(uBL, uFL, dBL, dFL, inverse);
}
else
{
//Forward
float dotForwardAbsValue = Mathf.Abs(dotForwardValue);
if (dotForwardAbsValue > 0.5f)
{
bool inverse = dotForwardValue < 0;
DrawConnectorIterationSpecialWithInverse(uFL, uFR, uBL, uBR, inverse);
DrawConnectorIterationSpecialWithInverse(uFR, dFR, uBR, dBR, inverse);
DrawConnectorIterationSpecialWithInverse(dFR, dFL, dBR, dBL, inverse);
DrawConnectorIterationSpecialWithInverse(dFL, uFL, dBL, uBL, inverse);
}
else
{
//Right
bool inverse = dotRightValue < 0;
DrawConnectorIterationSpecialWithInverse(uFR, uBR, uFL, uBL, inverse);
DrawConnectorIterationSpecialWithInverse(uBR, dBR, uBL, dBL, inverse);
DrawConnectorIterationSpecialWithInverse(dBR, dFR, dBL, dFL, inverse);
DrawConnectorIterationSpecialWithInverse(dFR, uFR, dFL, uFL, inverse);
}
}
}
else
{
bool
validUFL = ValidateConnector(dotUp, dotForward, !dotRight),
validUFR = ValidateConnector(dotUp, dotForward, dotRight),
validUBL = ValidateConnector(dotUp, !dotForward, !dotRight),
validUBR = ValidateConnector(dotUp, !dotForward, dotRight),
validDFL = ValidateConnector(!dotUp, dotForward, !dotRight),
validDFR = ValidateConnector(!dotUp, dotForward, dotRight),
validDBL = ValidateConnector(!dotUp, !dotForward, !dotRight),
validDBR = ValidateConnector(!dotUp, !dotForward, dotRight);
bool ValidateConnector(bool a, bool b, bool c)
{
int count = a ? 1 : 0;
count += b ? 1 : 0;
count += c ? 1 : 0;
if (!aligned)
{
if (count == 0)
{
return(false);
}
if (a && b && c)
{
return(false);
}
}
else
{
if (count != 1)
{
return(false);
}
}
return(true);
}
//up
DrawConnectorIteration(validUFL, validUFR, uFL, uFR);
DrawConnectorIteration(validUFR, validUBR, uFR, uBR);
DrawConnectorIteration(validUBR, validUBL, uBR, uBL);
DrawConnectorIteration(validUBL, validUFL, uBL, uFL);
//down
DrawConnectorIteration(validDFL, validDFR, dFL, dFR);
DrawConnectorIteration(validDFR, validDBR, dFR, dBR);
DrawConnectorIteration(validDBR, validDBL, dBR, dBL);
DrawConnectorIteration(validDBL, validDFL, dBL, dFL);
//down to up
DrawConnectorIteration(validDFL, validUFL, dFL, uFL);
DrawConnectorIteration(validDFR, validUFR, dFR, uFR);
DrawConnectorIteration(validDBR, validUBR, dBR, uBR);
DrawConnectorIteration(validDBL, validUBL, dBL, uBL);
}
void DrawConnectorIteration(bool a, bool b, Vector3 aP, Vector3 bP)
{
if (!a || !b)
{
return;
}
DrawConnectorIterationSpecial(aP, bP, aP, bP);
}
void DrawConnectorIterationSpecialWithInverse(Vector3 aPS, Vector3 bPS, Vector3 aPE, Vector3 bPE, bool inverse)
{
if (inverse)
{
DrawConnectorIterationSpecial(aPE, bPE, aPS, bPS);
}
else
{
DrawConnectorIterationSpecial(aPS, bPS, aPE, bPE);
}
}
void DrawConnectorIterationSpecial(Vector3 aPS, Vector3 bPS, Vector3 aPE, Vector3 bPE)
{
Vector3 startA = boxCenterA + aPS;
Vector3 startB = boxCenterA + bPS;
Vector3 endA = boxCenterB + aPE;
Vector3 endB = boxCenterB + bPE;
Vector3 currentA = startA;
Vector3 currentB = startB;
float diff = 1 / (float)(iterationCount + 1);
for (int i = 1; i < iterationCount; i++)
{
float t = i / (float)iterationCount;
color = Color.Lerp(colorStart, colorEnd, t + diff);
Vector3 nextA = Vector3.Lerp(startA, endA, t);
Vector3 nextB = Vector3.Lerp(startB, endB, t);
DrawLine(currentA, nextA);
DrawLine(currentB, nextB);
DrawLine(nextA, nextB);
currentA = nextA;
currentB = nextB;
}
color = Color.Lerp(colorStart, colorEnd, 1 - diff);
DrawLine(currentA, endA);
DrawLine(currentB, endB);
}
}
void DrawLine(Vector3 a, Vector3 b) => lineDelegate(a, b, color);
}