public static void test()
{
stdTest("Create Plane with a, b, c, d", new Plane(0, 1, 0, 0));
stdTest("Create Plane with Normal and point", new Plane(new Vector3f(0, 1, 0), new Vector3f(0, 0, 0)));
stdTest("Create Plane with Normal and another point", new Plane(new Vector3f(0, 1, 0), new Vector3f(30, 0, 20)));
stdTest("Create Plane with 3 vectors", new Plane(new Vector3f(0.0f, 0.0f, 0.0f), new Vector3f(1.0f, 0.0f, 0.0f), new Vector3f(0.0f, 0.0f, -1.0f)));
Check.AssertEquals(new Plane(0, 0, 0, 0), new Plane(0, 0, 0, 0));
Vector3f v = new Vector3f(1.0f, 1.0f, 1.0f).Normalize();
Plane p = new Plane(v.x, v.y, v.z, 0);
Check.AssertEquals(p.ToString(), p.distanceTo(new Vector3f(0.0f, 0.0f, 0.0f)), 0.0f);
p = new Plane(v.x, v.y, v.z, 2);
Check.AssertEquals(p.ToString(), p.distanceTo(new Vector3f(0.0f, 0.0f, 0.0f)).ToString(), 2.0f.ToString());
p = new Plane(v.x, v.y, v.z, -2);
Check.AssertEquals(p.ToString(), p.distanceTo(new Vector3f(0.0f, 0.0f, 0.0f)).ToString(), (-2.0f).ToString());
p = new Plane(new Vector3f(0.0f, 0.0f, 0.0f), new Vector3f( 10.0f, -10.0f, 10.0f), new Vector3f(5.0f, 10.0f, 10.0f));
Check.AssertEquals(p.distanceTo(new Vector3f(0.0f, 0.0f, 0.0f)), 0.0f);
Check.AssertEquals(p.distanceTo(new Vector3f(5.0f, 10.0f, 10.0f)), 0.0f);
Check.AssertEquals(p.distanceTo(new Vector3f(10.0f, -10.0f, 10.0f)), 0.0f);
Check.AssertEquals(p.distanceTo(new Vector3f(0.0f, 0.0f, 5.0f)) >= 0 , true);
}
public Line(Vector3f pointAOnLine, Vector3f pointBOnLine, Vector3f pointNotOnLine)
{
p0 = new Plane(pointAOnLine, pointBOnLine, pointNotOnLine);
Vector3f temp = pointAOnLine - pointBOnLine;
p1 = new Plane(temp.Cross(p1.getNormal()), pointAOnLine);
}
public void calculateFrustum()
{
Vector3f p = camera.getPosition().copy();
//Point3f ftl, ftr, fbl, fbr, ntl, ntr, nbl, nbr;
Vector3f Z = camera.getFrontVector().copy();
Vector3f X = camera.getRightVector().copy();
Vector3f Y = camera.getUpVector().copy();
// compute the centers of the near and far planes
nc = p + Z * camera.Near;
fc = p + Z * camera.Far;
// compute the 4 corners of the frustum on the near plane
ntl = nc + Y * nearHeight - X * nearWidth;
ntr = nc + Y * nearHeight + X * nearWidth;
nbl = nc - Y * nearHeight - X * nearWidth;
nbr = nc - Y * nearHeight + X * nearWidth;
// compute the 4 corners of the frustum on the far plane
ftl = fc + Y * farHeight - X * farWidth;
ftr = fc + Y * farHeight + X * farWidth;
fbl = fc - Y * farHeight - X * farWidth;
fbr = fc - Y * farHeight + X * farWidth;
this.right = new Plane(p, ftr, fbr);
this.left = new Plane(p, fbl, ftl);
this.top = new Plane(p, ftl, ftr);
this.bottom = new Plane(p, fbr, fbl);
this.far = new Plane(ftr, ftl, fbr);
this.near = new Plane(ntl, ntr, nbl);
// compute the six planes
// the function set3Points assumes that the points
// are given in counter clockwise order
/*pl[TOP].set3Points(ntr,ntl,ftl);
pl[BOTTOM].set3Points(nbl,nbr,fbr);
pl[LEFT].set3Points(ntl,nbl,fbl);
pl[RIGHT].set3Points(nbr,ntr,fbr);
pl[NEARP].set3Points(ntl,ntr,nbr);
pl[FARP].set3Points(ftr,ftl,fbl);*/
}
private static void stdTest(string s, Plane p)
{
Check.AssertEquals(s, p.distanceTo(new Vector3f(0.0f, 2.0f, 0.0f)), 2.0f);
Check.AssertEquals(s, p.distanceTo(new Vector3f(0.0f, 0.0f, 0.0f)), 0.0f);
Check.AssertEquals(s, p.distanceTo(new Vector3f(0.0f, -2.0f, 15.0f)), -2.0f);
}