public override bool Init()
{
if (base.Init())
{
// // seed
// srand(0);
CCPoint A, B, C, D, p1, p2, p3, p4;
float s, t;
int err = 0;
int ok = 0;
//
// Test 1.
//
CCLog.Log("Test1 - Start");
for (int i = 0; i < 10000; i++)
{
// A | b
// -----
// c | d
float ax = Random.Next() * -5000;
float ay = Random.Next() * 5000;
// a | b
// -----
// c | D
float dx = Random.Next() * 5000;
float dy = Random.Next() * -5000;
// a | B
// -----
// c | d
float bx = Random.Next() * 5000;
float by = Random.Next() * 5000;
// a | b
// -----
// C | d
float cx = Random.Next() * -5000;
float cy = Random.Next() * -5000;
A = new CCPoint(ax, ay);
B = new CCPoint(bx, by);
C = new CCPoint(cx, cy);
D = new CCPoint(dx, dy);
//if (CCPoint.ccpLineIntersect(A, D, B, C, ref s, ref t))
//{
// if (check_for_error(A, D, B, C, s, t) != 0)
// err++;
// else
// ok++;
//}
}
CCLog.Log("Test1 - End. OK=%i, Err=%i", ok, err);
//
// Test 2.
//
CCLog.Log("Test2 - Start");
p1 = new CCPoint(220, 480);
p2 = new CCPoint(304, 325);
p3 = new CCPoint(264, 416);
p4 = new CCPoint(186, 416);
s = 0.0f;
t = 0.0f;
if (CCPoint.LineIntersect(p1, p2, p3, p4, ref s, ref t))
{
check_for_error(p1, p2, p3, p4, s, t);
}
CCLog.Log("Test2 - End");
//
// Test 3
//
CCLog.Log("Test3 - Start");
ok = 0;
err = 0;
for (int i = 0; i < 10000; i++)
{
// A | b
// -----
// c | d
float ax = Random.Next() * -500;
float ay = Random.Next() * 500;
p1 = new CCPoint(ax, ay);
// a | b
// -----
// c | D
float dx = Random.Next() * 500;
float dy = Random.Next() * -500;
p2 = new CCPoint(dx, dy);
//////
float y = ay - ((ay - dy) / 2.0f);
// a | b
// -----
// C | d
float cx = Random.Next() * -500;
p3 = new CCPoint(cx, y);
// a | B
// -----
// c | d
float bx = Random.Next() * 500;
p4 = new CCPoint(bx, y);
s = 0.0f;
t = 0.0f;
if (CCPoint.LineIntersect(p1, p2, p3, p4, ref s, ref t))
{
if (check_for_error(p1, p2, p3, p4, s, t) != 0)
{
err++;
}
else
{
ok++;
}
}
}
CCLog.Log("Test3 - End. OK=%i, err=%i", ok, err);
return(true);
}
return(false);
}
