void Update()
{
if (check || Input.GetKeyDown(KeyCode.Space))
{
check = false;
Triangle3D t = testPlane.triangle;
Camera camera = cam;
float theta_Y = camera.fieldOfView * 0.5f;
float theta_X = Mathf.Atan(Mathf.Tan(camera.fieldOfView * 0.5f * Mathf.Deg2Rad) * camera.aspect) * Mathf.Rad2Deg;
Plane left = new Plane(0, new Vector3(-Mathf.Cos((theta_X) * Mathf.Deg2Rad), 0, -Mathf.Sin((theta_X) * Mathf.Deg2Rad)));
Plane right = new Plane(0, new Vector3(-Mathf.Cos((180 - theta_X) * Mathf.Deg2Rad), 0, -Mathf.Sin((180 - theta_X) * Mathf.Deg2Rad)));
Plane near = new Plane(-camera.nearClipPlane, Vector3.back);
Plane far = new Plane(camera.farClipPlane, Vector3.forward);
Plane top = new Plane(0, new Vector3(0, -Mathf.Sin((-theta_Y + 90) * Mathf.Deg2Rad), -Mathf.Cos((-theta_Y + 90) * Mathf.Deg2Rad)));
Plane buttom = new Plane(0, new Vector3(0, -Mathf.Sin((theta_Y - 90) * Mathf.Deg2Rad), -Mathf.Cos((theta_Y - 90) * Mathf.Deg2Rad)));
List <Triangle3D> ts = Rasterizer.ViewSpaceFrustrumClipping(t, cam);
print(buttom.Point(p1.position));
foreach (var go in ts)
{
TrianglePainter.CreateTrianglePainter(go);
}
}
}
public static void DisplayTriangleList(List <Triangle3D> ts, string prefix = "TrianglePainters")
{
if (!display)
{
return;
}
GameObject parent = new GameObject();
parent.name = prefix;
for (int i = 0; i < ts.Count; i++)
{
TrianglePainter tp = TrianglePainter.CreateTrianglePainter(ts[i], prefix + " " + i.ToString());
tp.transform.SetParent(parent.transform);
}
}