/// <summary>
/// Set a collider on top of a box collider.
/// </summary>
/// <param name="cap"></param>
/// <param name="rect"></param>
/// <param name="offset"></param>
/// <returns></returns>
public static Vector3 SetOnTopOfBox(CharacterController cap, BoxCollider rect, float offset)
{
Vector2 rWH = GetColliderWidthHeight(rect);
Vector2 cWH = GetColliderWidthHeight(cap);
Vector3 rectScale = rect.transform.localScale;
Vector3 capScale = cap.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
capScale = JCS_Mathf.AbsoluteValue(capScale);
// 取得Collider的中心"相對位置".
Vector3 rectCenter = new Vector3(
rect.center.x * rectScale.x,
rect.center.y * rectScale.y,
rect.center.z * rectScale.z);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
// * rectCenter 跟 rect.transfrom.position 是"相對位置',
// 所以要相加才能得到正確的"世界位置"!
// * cCenter + cap.transform.position 同理.
Vector3 newPos = cCenter + cap.transform.position;
newPos.y = rectCenter.y + rect.transform.position.y + (rWH.y / 2.0f) + (cWH.y / 2.0f) + offset;
// 這裡要扣掉原本的中心位置
cap.transform.position = newPos - cCenter;
// optional
return(newPos);
}
private void Update()
{
if (!mEffect)
{
return;
}
mDistanceRecorder += JCS_Mathf.AbsoluteValue(mMoveSpeed) * Time.deltaTime;
if (mDistanceRecorder > mDistance)
{
mDistanceRecorder = 0;
if (!mStayAtLastPosition)
{
this.transform.position = mRecordPosition;
}
// if is not loop disable the effect
if (!mLoop)
{
mEffect = false;
}
}
DoMovement(mAxis, mMoveSpeed);
}
private void Update()
{
if (!mIsYAxis)
{
this.mVelocity.x = mMoveSpeed;
float distance = this.transform.position.x - mOriginPosition.x;
distance = JCS_Mathf.AbsoluteValue(distance);
if (distance > mWidth)
{
this.transform.position = mOriginPosition;
}
}
else
{
this.mVelocity.y = mMoveSpeed;
float distance = this.transform.position.y - mOriginPosition.y;
distance = JCS_Mathf.AbsoluteValue(distance);
if (distance > mHeight)
{
this.transform.position = mOriginPosition;
}
}
this.transform.position += mVelocity * Time.deltaTime;
}
/// <summary>
/// Difference between target position and current position.
/// </summary>
/// <returns></returns>
public Vector3 PositionDiff()
{
JCS_SlidePanel sp = mSlidePanelsComponents[0];
Vector3 curPos = sp.transform.position;
Vector3 targPos = sp.GetTargetPosition();
return(JCS_Mathf.AbsoluteValue(curPos - targPos));
}
/// <summary>
///
/// </summary>
/// <param name="type"></param>
public void TurnFace(JCS_2DFaceType type)
{
Vector3 originalScale = this.gameObject.transform.localScale;
float absoluteOriginalScale = JCS_Mathf.AbsoluteValue(originalScale.x);
this.gameObject.transform.localScale = new Vector3((int)type * absoluteOriginalScale, originalScale.y, originalScale.z);
mFace = type;
}
/// <summary>
/// Check if the character controller top of the box without
/// slope calculation.
/// </summary>
/// <param name="cap"> character controller to test. </param>
/// <param name="rect"> box to test. </param>
/// <returns>
/// true : is top of box.
/// false : vice versa.
/// </returns>
public static bool TopOfBox(CharacterController cap, BoxCollider rect)
{
Vector3 rectScale = rect.transform.localScale;
Vector3 capScale = cap.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
capScale = JCS_Mathf.AbsoluteValue(capScale);
//float rWidth = rect.size.x * rectScale.x;
float rHeight = rect.size.y * rectScale.y;
Vector3 rectCenter = new Vector3(
rect.center.x * rectScale.x,
rect.center.y * rectScale.y,
rect.center.z * rectScale.z);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
float cR = cap.radius * capScale.x;
float cH = (cap.height - (cap.radius * 2.0f)) * capScale.y;
if (cH < 0)
{
cH = 0;
}
float rTopBound = rect.transform.position.y + rectCenter.y + (rHeight / 2.0f);
float cBotBound = cap.transform.position.y + cCenter.y - (cH / 2.0f) - cR;
#if (UNITY_EDITOR)
Debug.DrawLine(rect.transform.position + rectCenter,
new Vector3(
rect.transform.position.x,
rTopBound,
rect.transform.position.z)
, Color.cyan);
Debug.DrawLine(cap.transform.position + cCenter,
new Vector3(
cap.transform.position.x,
cBotBound,
cap.transform.position.z)
, Color.blue);
#endif
if (rTopBound <= cBotBound)
{
return(true);
}
return(false);
}
/// <summary>
/// Return CharacterController's collider's center as
/// a global position.
/// </summary>
/// <returns> CharacterController's collider's center as a
/// global position. </returns>
public static Vector3 GetColliderCenterPosition(CharacterController cap)
{
Vector3 capScale = cap.transform.localScale;
capScale = JCS_Mathf.AbsoluteValue(capScale);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
Vector3 capCenterPos = cap.transform.position + cCenter;
return(capCenterPos);
}
/// <summary>
/// Return BoxCollider's center as a global position.
/// </summary>
/// <returns> box collider's center as a global position. </returns>
public static Vector3 GetColliderCenterPosition(BoxCollider rect)
{
Vector3 rectScale = rect.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
// 取得Collider的中心"相對位置".
Vector3 rectCenter = new Vector3(
rect.center.x * rectScale.x,
rect.center.y * rectScale.y,
rect.center.z * rectScale.z);
// 所以要相加才能得到正確的"世界位置"!
// * cCenter + cap.transform.position 同理.
return(rectCenter + rect.transform.position);
}
/// <summary>
/// Return Box Collider's width and height.
/// </summary>
/// <param name="cap"> object we want to take from </param>
/// <returns> x : width, y : height </returns>
public static Vector2 GetColliderWidthHeight(BoxCollider rect)
{
// holder
Vector2 widthHeight = Vector2.zero;
Vector3 rectScale = rect.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
float rWidth = rect.size.x * rectScale.x;
float rHeight = rect.size.y * rectScale.y;
// apply to holder
widthHeight.x = rWidth;
widthHeight.y = rHeight;
return(widthHeight);
}
/// <summary>
/// Check if a collider under the bottom of the box collider.
/// </summary>
/// <param name="cap"></param>
/// <param name="rect"></param>
/// <returns></returns>
public static bool BottomOfBox(CharacterController cap, BoxCollider rect)
{
Vector3 rectScale = rect.transform.localScale;
Vector3 capScale = cap.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
capScale = JCS_Mathf.AbsoluteValue(capScale);
//float rWidth = rect.size.x * rectScale.x;
float rHeight = rect.size.y * rectScale.y;
Vector3 rectCenter = new Vector3(
rect.center.x * rectScale.x,
rect.center.y * rectScale.y,
rect.center.z * rectScale.z);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
float cR = cap.radius * capScale.x;
float cH = (cap.height - (cap.radius * 2.0f)) * capScale.y;
if (cH < 0)
{
cH = 0;
}
float cTopBound = cap.transform.position.y + cCenter.y + (cH / 2.0f) + cR;
float rBotBound = rect.transform.position.y + rectCenter.y - (rHeight / 2.0f);
if (cTopBound <= rBotBound)
{
return(true);
}
return(false);
}
/// <summary>
/// Set the page using page index. (y-axis)
/// </summary>
/// <param name="page"> Index of the page. </param>
public void SetPageY(int page)
{
int delta = page - (int)this.mCurrentPage.y;
if (delta == 0)
{
return;
}
int count = JCS_Mathf.AbsoluteValue(delta);
for (int countY = 0; countY < count; ++countY)
{
if (JCS_Mathf.IsPositive(delta))
{
SwitchScene(JCS_2D4Direction.TOP);
}
else
{
SwitchScene(JCS_2D4Direction.BOTTOM);
}
}
}
/// <summary>
/// Return Character controller's collider's width and height.
/// </summary>
/// <param name="cap"> Character Controller component want to check. </param>
/// <returns> x : width, y : height </returns>
public static Vector2 GetColliderWidthHeight(CharacterController cap)
{
// holder
Vector2 capWH = Vector2.zero;
Vector3 capScale = cap.transform.localScale;
capScale = JCS_Mathf.AbsoluteValue(capScale);
float cR = cap.radius * capScale.x;
float cH = cap.height * capScale.y;
if (cH < 0)
{
cH = 0;
}
// apply to holder
capWH.x = cR * 2;
capWH.y = cH;
return(capWH);
}
/// <summary>
/// Set the page using page index. (x-axis)
/// </summary>
/// <param name="page"> Index of the page. </param>
public void SetPageX(int page)
{
int delta = page - (int)this.mCurrentPage.x;
if (delta == 0)
{
return;
}
int count = JCS_Mathf.AbsoluteValue(delta);
for (int countX = 0; countX < count; ++countX)
{
if (JCS_Mathf.IsPositive(delta))
{
SwitchScene(JCS_2D4Direction.RIGHT);
}
else
{
SwitchScene(JCS_2D4Direction.LEFT);
}
}
}
/// <summary>
/// Set a collider at the left of the box collider.
/// </summary>
/// <param name="rightBox"></param>
/// <param name="leftBox"></param>
/// <param name="offset"></param>
/// <returns></returns>
public static Vector2 SetOnLeftOfBox(BoxCollider2D rightBox, BoxCollider2D leftBox, float offset = 0)
{
// WH stand for Width and Height
Vector2 rightBoxWH = GetColliderInfo(rightBox);
Vector2 leftBoxWH = GetColliderInfo(leftBox);
Vector3 rightBoxScale = rightBox.transform.localScale;
Vector3 leftBoxScale = leftBox.transform.localScale;
rightBoxScale = JCS_Mathf.AbsoluteValue(rightBoxScale);
leftBoxScale = JCS_Mathf.AbsoluteValue(leftBoxScale);
// 取得Collider的中心"相對位置".
Vector2 rightBoxCenter = new Vector2(
rightBox.offset.x * rightBoxScale.x,
rightBox.offset.y * rightBoxScale.y);
Vector2 leftBoxCenter = new Vector2(
leftBox.offset.x * leftBoxScale.x,
leftBox.offset.y * leftBoxScale.y);
// * rectCenter 跟 rect.transfrom.position 是"相對位置',
// 所以要相加才能得到正確的"世界位置"!
// * cCenter + cap.transform.position 同理.
Vector2 newPos = new Vector2(
rightBoxCenter.x + rightBox.transform.position.x,
rightBoxCenter.y + rightBox.transform.position.y);
newPos.x = leftBoxCenter.x + leftBox.transform.position.x - (leftBoxWH.x / 2.0f) - (rightBoxWH.x / 2.0f) + offset;
// 這裡要扣掉原本的中心位置
rightBox.transform.position = newPos - rightBoxCenter;
// optional
return(newPos);
}
/// <summary>
/// Set the box collider ontop of the other box collider
/// </summary>
/// <param name="setBox"> box we are setting on top of the other box </param>
/// <param name="beSetBox"> box be under the setting box </param>
/// <returns></returns>
public static Vector3 SetOnTopOfBox(BoxCollider topBox, BoxCollider botBox, float offset = 0)
{
// WH stand for Width and Height
Vector2 topBoxWH = GetColliderWidthHeight(topBox);
Vector2 botBoxWH = GetColliderWidthHeight(botBox);
Vector3 topBoxScale = topBox.transform.localScale;
Vector3 botBoxScale = botBox.transform.localScale;
topBoxScale = JCS_Mathf.AbsoluteValue(topBoxScale);
botBoxScale = JCS_Mathf.AbsoluteValue(botBoxScale);
// 取得Collider的中心"相對位置".
Vector3 topBoxCenter = new Vector3(
topBox.center.x * topBoxScale.x,
topBox.center.y * topBoxScale.y,
topBox.center.z * topBoxScale.z);
Vector3 botBoxCenter = new Vector3(
botBox.center.x * botBoxScale.x,
botBox.center.y * botBoxScale.y,
botBox.center.z * botBoxScale.z);
// * rectCenter 跟 rect.transfrom.position 是"相對位置',
// 所以要相加才能得到正確的"世界位置"!
// * cCenter + cap.transform.position 同理.
Vector3 newPos = topBoxCenter + topBox.transform.position;
newPos.y = botBoxCenter.y + botBox.transform.position.y + (botBoxWH.y / 2.0f) + (topBoxWH.y / 2.0f) + offset;
// 這裡要扣掉原本的中心位置
topBox.transform.position = newPos - topBoxCenter;
// optional
return(newPos);
}
/// <summary>
/// Returns character controller's infomration.
/// </summary>
/// <param name="rect2d"></param>
/// <returns> width and height </returns>
public static Vector2 GetColliderInfo(BoxCollider2D rect2d)
{
Vector2 widthHeight = Vector2.zero;
Vector3 rectScale = rect2d.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
float rWidth = rect2d.size.x * rectScale.x;
float rHeight = rect2d.size.y * rectScale.y;
// apply to holder
widthHeight.x = rWidth;
widthHeight.y = rHeight;
#if (UNITY_EDITOR)
Vector3 right = rect2d.transform.position;
right.x += widthHeight.x / 2;
Debug.DrawLine(rect2d.transform.position, right, Color.gray);
#endif
return(widthHeight);
}
/// <summary>
/// Set a collider at the bottom of the box collider.
/// </summary>
/// <param name="botBox"></param>
/// <param name="topBox"></param>
/// <param name="offset"></param>
/// <returns></returns>
public static Vector2 SetOnBottomOfBox(BoxCollider2D botBox, BoxCollider2D topBox, float offset = 0)
{
// WH stand for Width and Height
Vector2 botBoxWH = GetColliderInfo(botBox);
Vector2 topBoxWH = GetColliderInfo(topBox);
Vector3 botBoxScale = botBox.transform.localScale;
Vector3 topBoxScale = topBox.transform.localScale;
botBoxScale = JCS_Mathf.AbsoluteValue(botBoxScale);
topBoxScale = JCS_Mathf.AbsoluteValue(topBoxScale);
// 取得Collider的中心"相對位置".
Vector2 botBoxCenter = new Vector2(
botBox.offset.x * botBoxScale.x,
botBox.offset.y * botBoxScale.y);
Vector2 topBoxCenter = new Vector2(
topBox.offset.x * topBoxScale.x,
topBox.offset.y * topBoxScale.y);
// * rectCenter 跟 rect.transfrom.position 是"相對位置',
// 所以要相加才能得到正確的"世界位置"!
// * cCenter + cap.transform.position 同理.
Vector2 newPos = new Vector2(
botBoxCenter.x + botBox.transform.position.x,
botBoxCenter.y + botBox.transform.position.y);
newPos.y = topBoxCenter.y + topBox.transform.position.y - (topBoxWH.y / 2.0f) - (botBoxWH.y / 2.0f) + offset;
// 這裡要扣掉原本的中心位置
botBox.transform.position = newPos - botBoxCenter;
// optional
return(newPos);
}
/// <summary>
/// Check if the character controller top of the box with the
/// slop calculation.
/// </summary>
/// <param name="cap"> character controller to test. </param>
/// <param name="rect"> box to test. </param>
/// <returns>
/// true : is top of box.
/// false : vice versa.
/// </returns>
public static bool TopOfBoxWithSlope(CharacterController cap, BoxCollider rect)
{
float innerAngle = rect.transform.localEulerAngles.z;
// if no angle interact, just use the normal one.
if (innerAngle == 0)
{
return(TopOfBox(cap, rect));
}
/* Capsule */
Vector3 capScale = cap.transform.localScale;
capScale = JCS_Mathf.AbsoluteValue(capScale);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
Vector3 capCenterPos = cap.transform.position + cCenter;
float cR = cap.radius * capScale.x;
float cH = (cap.height - (cap.radius * 2.0f)) * capScale.y;
// capsule botton point position.
float cBotBound = cap.transform.position.y + cCenter.y - (cH / 2.0f) - cR;
/* Box */
Vector3 rectScale = rect.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
float rectWidth = rect.size.x * rectScale.x;
float rectHeight = rect.size.y * rectScale.y;
Vector3 rectCenter = new Vector3(
rect.center.x * rectScale.x,
rect.center.y * rectScale.y,
rect.center.z * rectScale.z);
Vector3 rectCenterPos = rect.transform.position + rectCenter;
float radianInnerAngle = JCS_Mathf.DegreeToRadian(innerAngle);
// at here 'rectHeight' are the same as 'adjacent'.
// hyp = adj / cos(Θ)
/* 斜角度的高度. */
float hypHeight = (rectHeight / Mathf.Cos(radianInnerAngle)) / 2;
// 求'水平寬'.
// adj = cos(Θ) * hyp
float rectLeftToRight = Mathf.Cos(radianInnerAngle) * rectWidth;
// 求'垂直高'.
float rectTopAndBot = Mathf.Sin(radianInnerAngle) * rectWidth;
float distRectLeftToCapCenter = JCS_Mathf.DistanceOfUnitVector(
capCenterPos.x,
rectCenterPos.x - (rectLeftToRight / 2));
/* Check if the capsule inside the the rect on x-axis. */
{
float distCapToBox = JCS_Mathf.DistanceOfUnitVector(
capCenterPos.x,
rectCenterPos.x);
if (distCapToBox > rectLeftToRight / 2)
{
return(false);
}
}
float heightToCapBot = JCS_Mathf.CrossMultiply(
rectLeftToRight,
distRectLeftToCapCenter,
rectTopAndBot);
#if (UNITY_EDITOR)
Debug.DrawLine(
new Vector3(
rectCenterPos.x - (rectLeftToRight / 2) + distRectLeftToCapCenter,
rectCenterPos.y - (rectTopAndBot / 2),
rectCenterPos.z),
new Vector3(
rectCenterPos.x - (rectLeftToRight / 2) + distRectLeftToCapCenter,
rectCenterPos.y + heightToCapBot + hypHeight - (rectTopAndBot / 2),
rectCenterPos.z),
Color.cyan);
#endif
// 在平台上的點.
float pointOnPlatform = rectCenterPos.y + heightToCapBot + hypHeight - (rectTopAndBot / 2);
if (pointOnPlatform <= cBotBound)
{
return(true);
}
return(false);
}
/// <summary>
/// Check if two collider collapse.
/// </summary>
/// <param name="cap"></param>
/// <param name="rect"></param>
/// <returns></returns>
public static bool JcsOnTriggerCheck(CharacterController cap, BoxCollider rect)
{
Vector3 rectScale = rect.transform.localScale;
Vector3 capScale = cap.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
capScale = JCS_Mathf.AbsoluteValue(capScale);
float rWidth = rect.size.x * rectScale.x;
float rHeight = rect.size.y * rectScale.y;
//float widthSqr = JCS_Mathf.Sqr(rWidth);
//float heightSqr = JCS_Mathf.Sqr(rHeight);
//float diagonal = Mathf.Sqrt(widthSqr + heightSqr);
rWidth = JCS_Mathf.AbsoluteValue(rWidth);
rHeight = JCS_Mathf.AbsoluteValue(rHeight);
Vector3 rectCenter = new Vector3(
rect.center.x * rectScale.x,
rect.center.y * rectScale.y,
rect.center.z * rectScale.z);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
float cR = cap.radius * capScale.x;
float cH = (cap.height - (cap.radius * 2.0f)) * capScale.y;
float offsetY = cCenter.y;
float cHalfHeight = cH / 2.0f;
if (cH < 0)
{
cH = 0;
}
Vector3 topCirclePoint = new Vector3(
cap.transform.position.x + cCenter.x,
cap.transform.position.y + cHalfHeight + offsetY,
cap.transform.position.z + cCenter.z);
Vector3 botCirclePoint = new Vector3(
cap.transform.position.x + cCenter.x,
cap.transform.position.y - cHalfHeight + offsetY,
cap.transform.position.z + cCenter.z);
float maxDistX = cR + (rWidth / 2.0f);
float maxDistY = ((cH / 2.0f) + cR) + (rHeight / 2.0f);
float realDistX = JCS_Mathf.DistanceOfUnitVector(
cap.transform.position.x + cCenter.x,
rect.transform.position.x + rectCenter.x);
float realDistY = JCS_Mathf.DistanceOfUnitVector(
cap.transform.position.y + cCenter.y,
rect.transform.position.y + rectCenter.y);
if (realDistX <= maxDistX &&
realDistY <= maxDistY)
{
Vector2 rectPosOffset = new Vector2(
rect.transform.position.x + rectCenter.x,
rect.transform.position.y + rectCenter.y
);
Rect r = new Rect();
r.x = rectPosOffset.x - (rWidth / 2.0f);
r.y = rectPosOffset.y + (rHeight / 2.0f);
r.width = rectPosOffset.x + (rWidth / 2.0f);
r.height = rectPosOffset.y - (rHeight / 2.0f);
Vector2 topLeft = new Vector2(r.x, r.y);
Vector2 topRight = new Vector2(r.width, r.y);
Vector2 botRight = new Vector2(r.width, r.height);
Vector2 botLeft = new Vector2(r.x, r.height);
#if (UNITY_EDITOR)
//Debug.DrawLine(topLeft, topCirclePoint);
//Debug.DrawLine(topRight, topCirclePoint);
//Debug.DrawLine(botRight, topCirclePoint);
//Debug.DrawLine(botLeft, topCirclePoint);
//Debug.DrawLine(topLeft, botCirclePoint);
//Debug.DrawLine(topRight, botCirclePoint);
//Debug.DrawLine(botRight, botCirclePoint);
//Debug.DrawLine(botLeft, botCirclePoint);
#endif
// check if point intersect with each other
float distance = 0;
// top circle
distance = Vector2.Distance(topLeft, topCirclePoint);
if (distance <= cR)
{
return(true);
}
distance = Vector2.Distance(topRight, topCirclePoint);
if (distance <= cR)
{
return(true);
}
distance = Vector2.Distance(botRight, topCirclePoint);
if (distance <= cR)
{
return(true);
}
distance = Vector2.Distance(botLeft, topCirclePoint);
if (distance <= cR)
{
return(true);
}
// bot circle
distance = Vector2.Distance(topLeft, botCirclePoint);
if (distance <= cR)
{
return(true);
}
distance = Vector2.Distance(topRight, botCirclePoint);
if (distance <= cR)
{
return(true);
}
distance = Vector2.Distance(botRight, botCirclePoint);
if (distance <= cR)
{
return(true);
}
distance = Vector2.Distance(botLeft, botCirclePoint);
if (distance <= cR)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Check weather the "type" in the screen space. (Character Controller)
/// </summary>
/// <param name="cap"> character controller to check. (Collider) </param>
/// <returns>
/// true: in screen space,
/// false: not in screen space
/// </returns>
public bool CheckInScreenSpace(CharacterController cap)
{
// First Step: Find CharacterController's 4 bounds.
Vector3 capScale = cap.transform.localScale;
capScale = JCS_Mathf.AbsoluteValue(capScale);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
float cR = cap.radius * capScale.x;
float cH = (cap.height - (cap.radius * 2.0f)) * capScale.y;
if (cH < 0)
{
cH = 0;
}
float cTopBound = cap.transform.position.y + cCenter.y + (cH / 2.0f) + cR;
float cBotBound = cap.transform.position.y + cCenter.y - (cH / 2.0f) - cR;
float cRightBound = cap.transform.position.x + cCenter.x + cR;
float cLeftBound = cap.transform.position.x + cCenter.x - cR;
#if (UNITY_EDITOR)
Vector3 cOrigin = cap.transform.position + cCenter;
Debug.DrawLine(cOrigin,
new Vector3(cOrigin.x, cTopBound, cOrigin.z));
Debug.DrawLine(cOrigin,
new Vector3(cOrigin.x, cBotBound, cOrigin.z));
Debug.DrawLine(cOrigin,
new Vector3(cRightBound, cOrigin.y, cOrigin.z));
Debug.DrawLine(cOrigin,
new Vector3(cLeftBound, cOrigin.y, cOrigin.z));
#endif
// Next step: find camera 4 bounds.
Camera cam = JCS_Camera.main.GetCamera();
JCS_Canvas jcsCanvas = JCS_Canvas.instance;
Vector3 camPos = cam.transform.position;
// only need to know the depth.
{
camPos.x = 0;
camPos.y = 0;
}
Vector3 canvasPos = jcsCanvas.transform.position;
// only need to know the depth.
{
canvasPos.x = 0;
canvasPos.y = 0;
}
float camToCanvasDistance = Vector3.Distance(camPos, canvasPos);
Vector3 gameDepth = new Vector3(0, cap.transform.position.z, 0);
float camToGameDepthDistance = Vector3.Distance(camPos, gameDepth);
//print("To Game depth Distance: " + camToGameDepthDistance);
//print("To Cavas Distnace: " + camToCanvasDistance);
Vector2 canvasRect = jcsCanvas.GetAppRect().sizeDelta;
// transfer rect from screen space to world space
{
canvasRect.x *= jcsCanvas.GetAppRect().localScale.x;
canvasRect.y *= jcsCanvas.GetAppRect().localScale.y;
}
Vector3 gameRect = new Vector3(
camToGameDepthDistance * canvasRect.x / camToCanvasDistance,
camToGameDepthDistance * canvasRect.y / camToCanvasDistance,
0);
// camPos name are named up there.
// cannot name the same.
Vector3 cCamPos = cam.transform.position;
float camTopBound = cCamPos.y + gameRect.y / 2;
float camBotBound = cCamPos.y - gameRect.y / 2;
float camRightBound = cCamPos.x + gameRect.x / 2;
float camLeftBound = cCamPos.x - gameRect.x / 2;
#if (UNITY_EDITOR)
Vector3 topLeft = cam.transform.position;
topLeft.x -= gameRect.x / 2;
topLeft.y += gameRect.y / 2;
Vector3 topRight = cam.transform.position;
topRight.x += gameRect.x / 2;
topRight.y += gameRect.y / 2;
Vector3 botLeft = cam.transform.position;
botLeft.x -= gameRect.x / 2;
botLeft.y -= gameRect.y / 2;
Vector3 botRight = cam.transform.position;
botRight.x += gameRect.x / 2;
botRight.y -= gameRect.y / 2;
// set depth to the same
topLeft.z = mGameDepth;
topRight.z = mGameDepth;
botLeft.z = mGameDepth;
botRight.z = mGameDepth;
// Draw the box
JCS_Debug.DrawRect(topLeft, topRight, botRight, botLeft);
#endif
if (cRightBound < camLeftBound ||
camRightBound < cLeftBound ||
cTopBound < camBotBound ||
camTopBound < cBotBound)
{
// no in the screen
return(false);
}
// in screen
return(true);
}
/// <summary>
/// Set the box collider ontop of the other box collider
/// with slop as a variable.
/// </summary>
/// <param name="setBox"> box we are setting on top of the other box </param>
/// <param name="beSetBox"> box be under the setting box </param>
/// <returns></returns>
public static Vector3 SetOnTopOfBoxWithSlope(BoxCollider topBox, BoxCollider botBox, float offset = 0)
{
float innerAngle = botBox.transform.localEulerAngles.z;
// if no angle interact, just use the normal one.
if (innerAngle == 0)
{
return(SetOnTopOfBox(topBox, botBox));
}
/* Top Box */
Vector3 topBoxScale = topBox.transform.localScale;
topBoxScale = JCS_Mathf.AbsoluteValue(topBoxScale);
Vector2 topBoxWH = GetColliderWidthHeight(topBox);
Vector3 topBoxCenter = new Vector3(
topBox.center.x * topBoxScale.x,
topBox.center.y * topBoxScale.y,
topBox.center.z * topBoxScale.z);
Vector3 topBoxCenterPos = topBox.transform.position + topBoxCenter;
/* Bot Box */
Vector3 rectScale = botBox.transform.localScale;
rectScale = JCS_Mathf.AbsoluteValue(rectScale);
float rectWidth = botBox.size.x * rectScale.x;
float rectHeight = botBox.size.y * rectScale.y;
Vector3 rectCenter = new Vector3(
botBox.center.x * rectScale.x,
botBox.center.y * rectScale.y,
botBox.center.z * rectScale.z);
Vector3 rectCenterPos = botBox.transform.position + rectCenter;
float radianInnerAngle = JCS_Mathf.DegreeToRadian(innerAngle);
// at here 'rectHeight' are the same as 'adjacent'.
// hyp = adj / cos(Θ)
/* 斜角度的高度. */
float hypHeight = (rectHeight / Mathf.Cos(radianInnerAngle)) / 2;
// 求'水平寬'.
// adj = cos(Θ) * hyp
float rectLeftToRight = Mathf.Cos(radianInnerAngle) * rectWidth;
// 求'垂直高'.
float rectTopAndBot = Mathf.Sin(radianInnerAngle) * rectWidth;
float distRectLeftToCapCenter = JCS_Mathf.DistanceOfUnitVector(
topBoxCenterPos.x,
rectCenterPos.x - (rectLeftToRight / 2));
/* Check if the capsule inside the the rect on x-axis. */
{
float distCapToBox = JCS_Mathf.DistanceOfUnitVector(
topBoxCenterPos.x,
rectCenterPos.x);
if (distCapToBox > rectLeftToRight / 2)
{
return(Vector3.zero);
}
}
float heightToCapBot = JCS_Mathf.CrossMultiply(
rectLeftToRight,
distRectLeftToCapCenter,
rectTopAndBot);
#if (UNITY_EDITOR)
Debug.DrawLine(
new Vector3(
rectCenterPos.x - (rectLeftToRight / 2) + distRectLeftToCapCenter,
rectCenterPos.y - (rectTopAndBot / 2),
rectCenterPos.z),
new Vector3(
rectCenterPos.x - (rectLeftToRight / 2) + distRectLeftToCapCenter,
rectCenterPos.y + heightToCapBot + hypHeight - (rectTopAndBot / 2),
rectCenterPos.z),
Color.cyan);
#endif
// 在平台上的點.
float pointOnPlatform = rectCenterPos.y + heightToCapBot + hypHeight - (rectTopAndBot / 2);
/** ------------------------------------------- **/
Vector3 newPos = topBoxCenterPos;
newPos.y = pointOnPlatform + (topBoxWH.y / 2);
topBox.transform.position = newPos - topBoxCenter;
return(newPos);
}
/// <summary>
/// Check weather the "type" in the screen space. (Character Controller)
/// </summary>
/// <param name="cap"> character controller to check. (Collider) </param>
/// <returns>
/// true: in screen space,
/// false: not in screen space
/// </returns>
public bool CheckInScreenSpace(CharacterController cap)
{
// First Step: Find CharacterController's 4 bounds.
Vector3 capScale = cap.transform.localScale;
capScale = JCS_Mathf.AbsoluteValue(capScale);
Vector3 cCenter = new Vector3(
cap.center.x * capScale.x,
cap.center.y * capScale.y,
cap.center.z * capScale.z);
float cR = cap.radius * capScale.x;
float cH = (cap.height - (cap.radius * JCS_Mathf.D_HALF)) * capScale.y;
if (cH < 0.0f)
{
cH = 0.0f;
}
float cTopBound = cap.transform.position.y + cCenter.y + (cH / JCS_Mathf.D_HALF) + cR;
float cBotBound = cap.transform.position.y + cCenter.y - (cH / JCS_Mathf.D_HALF) - cR;
float cRightBound = cap.transform.position.x + cCenter.x + cR;
float cLeftBound = cap.transform.position.x + cCenter.x - cR;
#if (UNITY_EDITOR)
Vector3 cOrigin = cap.transform.position + cCenter;
Debug.DrawLine(cOrigin,
new Vector3(cOrigin.x, cTopBound, cOrigin.z));
Debug.DrawLine(cOrigin,
new Vector3(cOrigin.x, cBotBound, cOrigin.z));
Debug.DrawLine(cOrigin,
new Vector3(cRightBound, cOrigin.y, cOrigin.z));
Debug.DrawLine(cOrigin,
new Vector3(cLeftBound, cOrigin.y, cOrigin.z));
#endif
float depth = cap.transform.position.z;
Vector3 gameRect = GameDepthRect(new Vector3(0.0f, depth, 0.0f));
Camera cam = main.GetCamera();
Vector3 camPos = cam.transform.position;
float camTopBound = camPos.y + gameRect.y / JCS_Mathf.D_HALF;
float camBotBound = camPos.y - gameRect.y / JCS_Mathf.D_HALF;
float camRightBound = camPos.x + gameRect.x / JCS_Mathf.D_HALF;
float camLeftBound = camPos.x - gameRect.x / JCS_Mathf.D_HALF;
#if (UNITY_EDITOR)
Vector3 topLeft = cam.transform.position;
topLeft.x -= gameRect.x / JCS_Mathf.D_HALF;
topLeft.y += gameRect.y / JCS_Mathf.D_HALF;
Vector3 topRight = cam.transform.position;
topRight.x += gameRect.x / JCS_Mathf.D_HALF;
topRight.y += gameRect.y / JCS_Mathf.D_HALF;
Vector3 botLeft = cam.transform.position;
botLeft.x -= gameRect.x / JCS_Mathf.D_HALF;
botLeft.y -= gameRect.y / JCS_Mathf.D_HALF;
Vector3 botRight = cam.transform.position;
botRight.x += gameRect.x / JCS_Mathf.D_HALF;
botRight.y -= gameRect.y / JCS_Mathf.D_HALF;
// set depth to the same
topLeft.z = depth;
topRight.z = depth;
botLeft.z = depth;
botRight.z = depth;
// Draw the box
JCS_Debug.DrawRect(topLeft, topRight, botRight, botLeft);
#endif
if (cRightBound < camLeftBound ||
camRightBound < cLeftBound ||
cTopBound < camBotBound ||
camTopBound < cBotBound)
{
// no in the screen
return(false);
}
// in screen
return(true);
}