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deprecated-irrlicht-mac
Commit dfc9db6c authored by Rogerborg's avatar Rogerborg
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http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=31490 

Another poke at matrix4::transformPlane(). Tested with the example from the report, a (1,5,1) scaled node in 02.Quake3Map, and the existing regression tests, with some expected results updated.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1970 dfc29bdd-3216-0410-991c-e03cc46cb475
parent f093ed8d
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Showing with 38 additions and 49 deletions
include/matrix4.h
View file @ dfc9db6c
......@@ -927,25 +927,14 @@ namespace core
inline void CMatrix4<T>::transformPlane( core::plane3d<f32> &plane) const
{
vector3df member;
// Fully transform the plane member point, i.e. rotate, translate and scale it.
// Transform the plane member point, i.e. rotate, translate and scale it.
transformVect(member, plane.getMemberPoint());
// Transform the normal by the transposed inverse of the matrix
CMatrix4<T> transposedInverse(*this, EM4CONST_INVERSE_TRANSPOSED);
vector3df normal = plane.Normal;
normal.normalize();
transposedInverse.transformVect(normal);
// The normal needs to be rotated and inverse scaled, but not translated.
const vector3df scale = getScale();
if(!equals(scale.X, 0.f) && !equals(scale.Y, 0.f) && !equals(scale.Z, 0.f)
&& (!equals(scale.X, 1.f) || !equals(scale.Y, 1.f) || !equals(scale.Z, 1.f)))
{
// Rotating the vector will also apply the scale, so we have to invert it twice.
normal /= (scale * scale);
}
rotateVect(normal);
normal.normalize();
plane.setPlane(member, normal);
}
......
tests/planeMatrix.cpp
View file @ dfc9db6c
......@@ -37,10 +37,10 @@ static bool transformPlane(const vector3df & point, const vector3df & normal,
logTestString("Expected: (%.3ff,%.3ff,%.3ff), %.3ff\n",
expected.Normal.X, expected.Normal.Y, expected.Normal.Z, expected.D);
assert(sloppyComparePlanes(plane, expected));
if(!sloppyComparePlanes(plane, expected))
{
logTestString("Unexpected result\n");
assert(false);
return false;
}
......@@ -149,14 +149,14 @@ bool planeMatrix(void)
matrix[4], matrix[5], matrix[6], matrix[7],
matrix[8], matrix[9], matrix[10], matrix[11],
matrix[12], matrix[13], matrix[14], matrix[15]);
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.894f,-0.447f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.894f,0.447f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.894f,0.447f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.894f,-0.447f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.894f,-0.447f,0.000f), 0.894f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.894f,0.447f,0.000f), -0.894f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.894f,0.447f,0.000f), -0.894f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.894f,-0.447f,0.000f), 0.894f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f), -0.000f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f), 0.707f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f), -0.707f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f), -0.707f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f), 0.707f));
matrix = rotationMatrix * translationMatrix;
logTestString("\nRotation * translation matrix\n%02.02f %02.02f %02.02f %02.02f"
......@@ -185,14 +185,14 @@ bool planeMatrix(void)
matrix[4], matrix[5], matrix[6], matrix[7],
matrix[8], matrix[9], matrix[10], matrix[11],
matrix[12], matrix[13], matrix[14], matrix[15]);
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.447f,0.000f,-0.894f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.447f,-0.000f,0.894f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.447f,-0.000f,0.894f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.447f,0.000f,-0.894f), -0.000f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.447f,0.000f,-0.894f), 1.118f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.447f,-0.000f,0.894f), -1.118f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.447f,-0.000f,0.894f), -1.118f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.447f,0.000f,-0.894f), 1.118f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f), -0.000f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f), -0.000f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f), 0.707f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f), -0.707f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f), -0.707f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f), 0.707f));
matrix = translationMatrix * scaleMatrix;
logTestString("\nTranslation * scale matrix\n%02.02f %02.02f %02.02f %02.02f"
......@@ -203,14 +203,14 @@ bool planeMatrix(void)
matrix[4], matrix[5], matrix[6], matrix[7],
matrix[8], matrix[9], matrix[10], matrix[11],
matrix[12], matrix[13], matrix[14], matrix[15]);
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.894f,-0.447f,0.000f), 1.342f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.894f,0.447f,0.000f), -1.342f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.894f,0.447f,0.000f), -1.342f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.894f,-0.447f,0.000f), 1.342f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.894f,-0.447f,0.000f), 2.236f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.894f,0.447f,0.000f), -2.236f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.894f,0.447f,0.000f), -2.236f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.894f,-0.447f,0.000f), 2.236f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f), 1.061f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f), -1.061f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f), -1.061f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f), 1.061f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,-0.354f,0.000f), 1.768f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,0.354f,0.000f), -1.768f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,0.354f,0.000f), -1.768f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,-0.354f,0.000f), 1.768f));
matrix = rotationMatrix * translationMatrix * scaleMatrix;
logTestString("\nRotation * translation * scale matrix\n%02.02f %02.02f %02.02f %02.02f"
......@@ -221,14 +221,14 @@ bool planeMatrix(void)
matrix[4], matrix[5], matrix[6], matrix[7],
matrix[8], matrix[9], matrix[10], matrix[11],
matrix[12], matrix[13], matrix[14], matrix[15]);
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.447f,0.000f,-0.894f), 2.683f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.447f,-0.000f,0.894f), -2.683f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.447f,-0.000f,0.894f), -2.683f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.447f,0.000f,-0.894f), 2.683f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.447f,0.000f,-0.894f), 3.801f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.447f,-0.000f,0.894f), -3.801f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.447f,-0.000f,0.894f), -3.801f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.447f,0.000f,-0.894f), 3.801f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f), 1.061f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f), -1.061f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f), -1.061f));
success &= transformPlane(vector3df(0, 0, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f), 1.061f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, -1, 0), matrix, plane3df(vector3df(-0.707f,0.000f,-0.354f), 1.768f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, 1, 0), matrix, plane3df(vector3df(0.707f,-0.000f,0.354f), -1.768f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(-1, 1, 0), matrix, plane3df(vector3df(-0.707f,-0.000f,0.354f), -1.768f));
success &= transformPlane(vector3df(0, 1, 0), vector3df(1, -1, 0), matrix, plane3df(vector3df(0.707f,0.000f,-0.354f), 1.768f));
success &= drawScaledOctTree();
......
tests/tests-last-passed-at.txt
View file @ dfc9db6c
Test suite pass at GMT Wed Dec 17 11:27:14 2008
Test suite pass at GMT Wed Dec 17 23:49:16 2008
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