/// <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>
/// Square inside the game editor screen. Display
/// the screen width and height in current game depth.
/// 2D Game probably need this. 3D Game is optional.
/// </summary>
private void DisplayGameDepthCamera()
{
if (!mDisplayGameDepthCamera)
{
return;
}
// 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 = JCS_Canvas.instance.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, mGameDepth, 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;
}
mCamRectSize = 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 + mCamRectSize.y / 2;
float camBotBound = cCamPos.y - mCamRectSize.y / 2;
float camRightBound = cCamPos.x + mCamRectSize.x / 2;
float camLeftBound = cCamPos.x - mCamRectSize.x / 2;
// top left -> bot right
mCamRect.x = camLeftBound;
mCamRect.y = camTopBound;
mCamRect.width = camRightBound;
mCamRect.height = camBotBound;
Vector3 topLeft = cam.transform.position;
topLeft.x -= mCamRectSize.x / 2;
topLeft.y += mCamRectSize.y / 2;
Vector3 topRight = cam.transform.position;
topRight.x += mCamRectSize.x / 2;
topRight.y += mCamRectSize.y / 2;
Vector3 botLeft = cam.transform.position;
botLeft.x -= mCamRectSize.x / 2;
botLeft.y -= mCamRectSize.y / 2;
Vector3 botRight = cam.transform.position;
botRight.x += mCamRectSize.x / 2;
botRight.y -= mCamRectSize.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, mGameCamColor);
}
