| public static DistancePointToLineSegment ( Vector2 p, Vector2 a, Vector2 b ) : float | ||
| p | Vector2 | |
| a | Vector2 | |
| b | Vector2 | |
| return | float | |
internal static float DistanceToDiamondInternal(Vector3 position, Quaternion rotation, float size, Vector2 mousePosition)
{
Vector3 b = rotation * new Vector3(size, 0f, 0f);
Vector3 b2 = rotation * new Vector3(0f, size, 0f);
HandleUtility.points[0] = HandleUtility.WorldToGUIPoint(position + b);
HandleUtility.points[1] = HandleUtility.WorldToGUIPoint(position - b2);
HandleUtility.points[2] = HandleUtility.WorldToGUIPoint(position - b);
HandleUtility.points[3] = HandleUtility.WorldToGUIPoint(position + b2);
HandleUtility.points[4] = HandleUtility.points[0];
Vector2 p = mousePosition;
bool flag = false;
int num = 4;
for (int i = 0; i < 5; i++)
{
if (HandleUtility.points[i].y > p.y != HandleUtility.points[num].y > p.y)
{
if (p.x < (HandleUtility.points[num].x - HandleUtility.points[i].x) * (p.y - HandleUtility.points[i].y) / (HandleUtility.points[num].y - HandleUtility.points[i].y) + HandleUtility.points[i].x)
{
flag = !flag;
}
}
num = i;
}
float result;
if (!flag)
{
float num2 = -1f;
num = 1;
for (int j = 0; j < 4; j++)
{
float num3 = HandleUtility.DistancePointToLineSegment(p, HandleUtility.points[j], HandleUtility.points[num++]);
if (num3 < num2 || num2 < 0f)
{
num2 = num3;
}
}
result = num2;
}
else
{
result = 0f;
}
return(result);
}
internal static float DistanceToRectangleInternal(Vector3 position, Quaternion rotation, Vector2 size)
{
Vector3 b = rotation * new Vector3(size.x, 0f, 0f);
Vector3 b2 = rotation * new Vector3(0f, size.y, 0f);
HandleUtility.points[0] = HandleUtility.WorldToGUIPoint(position + b + b2);
HandleUtility.points[1] = HandleUtility.WorldToGUIPoint(position + b - b2);
HandleUtility.points[2] = HandleUtility.WorldToGUIPoint(position - b - b2);
HandleUtility.points[3] = HandleUtility.WorldToGUIPoint(position - b + b2);
HandleUtility.points[4] = HandleUtility.points[0];
Vector2 mousePosition = Event.current.mousePosition;
bool flag = false;
int num = 4;
for (int i = 0; i < 5; i++)
{
if (HandleUtility.points[i].y > mousePosition.y != HandleUtility.points[num].y > mousePosition.y)
{
if (mousePosition.x < (HandleUtility.points[num].x - HandleUtility.points[i].x) * (mousePosition.y - HandleUtility.points[i].y) / (HandleUtility.points[num].y - HandleUtility.points[i].y) + HandleUtility.points[i].x)
{
flag = !flag;
}
}
num = i;
}
float result;
if (!flag)
{
float num2 = -1f;
num = 1;
for (int j = 0; j < 4; j++)
{
float num3 = HandleUtility.DistancePointToLineSegment(mousePosition, HandleUtility.points[j], HandleUtility.points[num++]);
if (num3 < num2 || num2 < 0f)
{
num2 = num3;
}
}
result = num2;
}
else
{
result = 0f;
}
return result;
}
/// <summary>
/// <para>Pixel distance from mouse pointer to a rectangle on screen.</para>
/// </summary>
/// <param name="position"></param>
/// <param name="rotation"></param>
/// <param name="size"></param>
public static float DistanceToRectangle(Vector3 position, Quaternion rotation, float size)
{
Vector3 vector3_1 = rotation * new Vector3(size, 0.0f, 0.0f);
Vector3 vector3_2 = rotation * new Vector3(0.0f, size, 0.0f);
HandleUtility.points[0] = (Vector3)HandleUtility.WorldToGUIPoint(position + vector3_1 + vector3_2);
HandleUtility.points[1] = (Vector3)HandleUtility.WorldToGUIPoint(position + vector3_1 - vector3_2);
HandleUtility.points[2] = (Vector3)HandleUtility.WorldToGUIPoint(position - vector3_1 - vector3_2);
HandleUtility.points[3] = (Vector3)HandleUtility.WorldToGUIPoint(position - vector3_1 + vector3_2);
HandleUtility.points[4] = HandleUtility.points[0];
Vector2 mousePosition = Event.current.mousePosition;
bool flag = false;
int index1 = 4;
for (int index2 = 0; index2 < 5; ++index2)
{
if ((double)HandleUtility.points[index2].y > (double)mousePosition.y != (double)HandleUtility.points[index1].y > (double)mousePosition.y && (double)mousePosition.x < ((double)HandleUtility.points[index1].x - (double)HandleUtility.points[index2].x) * ((double)mousePosition.y - (double)HandleUtility.points[index2].y) / ((double)HandleUtility.points[index1].y - (double)HandleUtility.points[index2].y) + (double)HandleUtility.points[index2].x)
{
flag = !flag;
}
index1 = index2;
}
if (flag)
{
return(0.0f);
}
float num1 = -1f;
int num2 = 1;
for (int index2 = 0; index2 < 4; ++index2)
{
float lineSegment = HandleUtility.DistancePointToLineSegment(mousePosition, (Vector2)HandleUtility.points[index2], (Vector2)HandleUtility.points[num2++]);
if ((double)lineSegment < (double)num1 || (double)num1 < 0.0)
{
num1 = lineSegment;
}
}
return(num1);
}
