It works ! But need cleaning

src/graphics/render.cpp

@@ -639,6 +639,22 @@ core::matrix4 getTighestFitOrthoProj(const core::matrix4 &transform, const std::
     return tmp_matrix;
 }
 
+static
+core::matrix4 makeFrustrum(float left, float right, float top, float bottom, float n, float f)
+{
+    core::matrix4 projmat;
+    float *M = projmat.pointer();
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/bb205353(v=vs.85).aspx
+    M[0] = 2 * n / (right - left);
+    M[5] = 2 * n / (top - bottom);
+    M[10] = 1 / (f - n);
+    M[12] = (left + right) / (left - right);
+    M[13] = (top + bottom) / (bottom - top);
+    M[14] = n / (n - f);
+    M[15] = 1.;
+    return projmat;
+}
+
 
 // From http://advancedgraphics.marries.nl/presentationslides/11_light_space_perspective_shadow_maps.pdf
 static
@@ -673,18 +689,16 @@ core::matrix4 test(const scene::ICameraSceneNode &B, const core::vector3df &Ligh
         zmin = MIN2(zmin, Vz);
         zmax = MAX2(zmax, Vz);
     }
-    float n = 100.;
+    float n = 1.;
     const core::vector3df PinLightSpace(-Borig.dotProduct(axisX), zmin - n, (ymin + ymax) / 2.);
     const core::vector3df PinWorldSpace = PinLightSpace.X * axisX + PinLightSpace.Y * axisY + PinLightSpace.Z * axisZ;
 
     core::matrix4 viewmat;
     viewmat.setTranslation(-PinLightSpace);
-//    viewmat.buildCameraLookAtMatrixLH(PinWorldSpace, PinWorldSpace + 1000. * axisZ, core::vector3df(0., 0., 1.));
-    core::matrix4 projmat;
-    projmat.buildProjectionMatrixOrthoLH(-10., 10., n + 100., n, -1000., 1000.);
+    core::matrix4 projmat;// = makeFrustrum(-1., 1., 10., -10, -1, 1.);
+    projmat.buildProjectionMatrixOrthoLH(-10., 10, n + 100, n, -1000, 1000);
     core::matrix4 NewLightView;
     NewLightView.buildCameraLookAtMatrixLH(axisY, core::vector3df(0., 0., 0.), axisZ);
-
 //    delete P;
     return projmat * viewmat * NewLightView;
 }