void MyDrawRectOutLine(Texture2D tex)
{
float left_bottom_x = center.x - width / 2;
float right_top_x = center.x + height / 2;
float left_bottom_y = center.y - width / 2;
float right_top_y = center.y + height / 2;
int min_x = (int)left_bottom_x;
int max_x = (int)right_top_x;
int min_y = (int)left_bottom_y;
int max_y = (int)right_top_y;
min_x = MyUtility.Clamp(min_x, 0, tex.width);
max_x = MyUtility.Clamp(max_x, 0, tex.width);
min_y = MyUtility.Clamp(min_y, 0, tex.height);
max_y = MyUtility.Clamp(max_y, 0, tex.height);
for (int x = min_x; x <= max_x; x++)
{
tex.SetPixel(x, max_y, colorOutLine);
}
for (int y = min_y; y <= max_y; y++)
{
tex.SetPixel(min_x, y, colorOutLine);
tex.SetPixel(max_x, y, colorOutLine);
}
for (int x = min_x; x <= max_x; x++)
{
tex.SetPixel(x, min_y, colorOutLine);
}
}
public static void GetPointToLineNearestDistance(Vector3 a, Vector3 b, Vector3 c, out Vector3 res, out float distance)
{
var CA = c - a;
var AB = (b - a).normalized;
var t = Vector3.Dot(CA, AB);
t = MyUtility.Clamp(t, 0, (b - a).magnitude);
var m = t * AB + a;
distance = Vector3.Distance(c, m);
res = m;
}