static void
AddObjectsForBreakTests(NURBSSet &nset, int &c1, int &s1)
{
NURBSCVCurve *c = new NURBSCVCurve();
c->SetName(GetString(IDS_BREAK_CURVE));
c->SetNumCVs(4);
c->SetOrder(4);
c->SetNumKnots(8);
for (int k = 0; k < 4; k++) {
c->SetKnot(k, 0.0);
c->SetKnot(k+4, 1.0);
}
NURBSControlVertex cv;
cv.SetPosition(0, Point3(200, 0, 50));
c->SetCV(0, cv);
cv.SetPosition(0, Point3(300, 0, 50));
c->SetCV(1, cv);
cv.SetPosition(0, Point3(300, -100, 50));
c->SetCV(2, cv);
cv.SetPosition(0, Point3(200, -100, 50));
c->SetCV(3, cv);
c1 = nset.AppendObject(c);
NURBSCVSurface *s = new NURBSCVSurface();
s->SetName(GetString(IDS_BREAK_SURFACE));
s->SetNumCVs(4, 4);
s->SetUOrder(4);
s->SetVOrder(4);
s->SetNumUKnots(8);
s->SetNumVKnots(8);
for (k = 0; k < 4; k++) {
s->SetUKnot(k, 0.0);
s->SetVKnot(k, 0.0);
s->SetUKnot(k+4, 1.0);
s->SetVKnot(k+4, 1.0);
}
for (int u = 0; u < 4; u++) {
float up = 100.0f * ((float)u/3.0f);
for (int v = 0; v < 4; v++) {
float vp = 100.0f * ((float)v/3.0f);
cv.SetPosition(0, Point3(-150.0f + up, -100.0f + vp, -200.0f));
s->SetCV(u, v, cv);
}
}
s1 = nset.AppendObject(s);
}
int
APITestUtil::MakeTestCVSurface(NURBSSet &nset, Matrix3 mat, BOOL rigid)
{
NURBSCVSurface *s = new NURBSCVSurface();
s->SetRigid(rigid);
s->SetName(GetString(IDS_CV_SURFACE));
s->SetNumCVs(4, 4);
s->SetUOrder(4);
s->SetVOrder(4);
s->SetNumUKnots(8);
s->SetNumVKnots(8);
for (int k = 0; k < 4; k++) {
s->SetUKnot(k, 0.0);
s->SetVKnot(k, 0.0);
s->SetUKnot(k+4, 1.0);
s->SetVKnot(k+4, 1.0);
}
NURBSControlVertex cv;
for (int u = 0; u < 4; u++) {
float up = 100.0f * ((float)u/3.0f);
for (int v = 0; v < 4; v++) {
float vp = 100.0f * ((float)v/3.0f);
cv.SetPosition(0, mat * Point3(-150.0f + up, -100.0f + vp, 0.0f));
TCHAR name[20];
_stprintf(name, _T("%s[%d,%d]"), GetString(IDS_CV), u, v);
cv.SetName(name);
s->SetCV(u, v, cv);
}
}
return nset.AppendObject(s);
}
Object*
BuildNURBSPrism(float side1, float side2, float side3, float height, int genUVs)
{
float s13len=side1*side3;
float theta = (float)acos((side2*side2 - side1*side1 - side3*side3)/(-2.0f*s13len));
int prism_faces[5][4] = {{0, 1, 2, 2}, // bottom
{1, 0, 4, 3}, // front
{2, 1, 5, 4}, // left
{0, 2, 3, 5}, // right
{4, 3, 5, 5}};// top
Point3 prism_verts[6] ={Point3(0.0f, 0.0f, 0.0f),
Point3(side1, 0.0f, 0.0f),
Point3(side3*(float)cos(theta), side3*(float)sin(theta), 0.0f),
Point3(0.0f, 0.0f, height),
Point3(side1, 0.0f, height),
Point3(side3*(float)cos(theta), side3*(float)sin(theta), height)};
NURBSSet nset;
for (int face = 0; face < 5; face++) {
Point3 bl = prism_verts[prism_faces[face][0]];
Point3 br = prism_verts[prism_faces[face][1]];
Point3 tl = prism_verts[prism_faces[face][2]];
Point3 tr = prism_verts[prism_faces[face][3]];
NURBSCVSurface *surf = new NURBSCVSurface();
nset.AppendObject(surf);
surf->SetUOrder(4);
surf->SetVOrder(4);
surf->SetNumCVs(4, 4);
surf->SetNumUKnots(8);
surf->SetNumVKnots(8);
Point3 top, bot;
for (int r = 0; r < 4; r++) {
top = tl + (((float)r/3.0f) * (tr - tl));
bot = bl + (((float)r/3.0f) * (br - bl));
for (int c = 0; c < 4; c++) {
NURBSControlVertex ncv;
ncv.SetPosition(0, bot + (((float)c/3.0f) * (top - bot)));
ncv.SetWeight(0, 1.0f);
surf->SetCV(r, c, ncv);
}
}
for (int k = 0; k < 4; k++) {
surf->SetUKnot(k, 0.0);
surf->SetVKnot(k, 0.0);
surf->SetUKnot(k + 4, 1.0);
surf->SetVKnot(k + 4, 1.0);
}
surf->Renderable(TRUE);
surf->SetGenerateUVs(genUVs);
if (height > 0.0f)
surf->FlipNormals(TRUE);
else
surf->FlipNormals(FALSE);
float sum = side1 + side2 + side3;
float s1 = side1/sum;
float s3 = 1.0f - side3/sum;
switch(face) {
case 0:
surf->SetTextureUVs(0, 0, Point2(0.5f, 0.0f));
surf->SetTextureUVs(0, 1, Point2(0.5f, 0.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 1.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 1.0f));
break;
case 1:
surf->SetTextureUVs(0, 0, Point2(s1, 1.0f));
surf->SetTextureUVs(0, 1, Point2(0.0f, 1.0f));
surf->SetTextureUVs(0, 2, Point2(s1, 0.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 0.0f));
break;
case 2:
surf->SetTextureUVs(0, 0, Point2(s3, 1.0f));
surf->SetTextureUVs(0, 1, Point2(s1, 1.0f));
surf->SetTextureUVs(0, 2, Point2(s3, 0.0f));
surf->SetTextureUVs(0, 3, Point2(s1, 0.0f));
break;
case 3:
surf->SetTextureUVs(0, 0, Point2(1.0f, 1.0f));
surf->SetTextureUVs(0, 1, Point2(s3, 1.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 0.0f));
surf->SetTextureUVs(0, 3, Point2(s3, 0.0f));
break;
case 4:
surf->SetTextureUVs(0, 0, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 1, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 0.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 0.0f));
break;
}
TCHAR bname[80];
_stprintf(bname, _T("%s%02d"), GetString(IDS_CT_SURF), face);
surf->SetName(bname);
}
#define F(s1, s2, s1r, s1c, s2r, s2c) \
fuse.mSurf1 = (s1); \
fuse.mSurf2 = (s2); \
fuse.mRow1 = (s1r); \
fuse.mCol1 = (s1c); \
fuse.mRow2 = (s2r); \
fuse.mCol2 = (s2c); \
nset.mSurfFuse.Append(1, &fuse);
NURBSFuseSurfaceCV fuse;
// Bottom(0) to Front (1)
F(0, 1, 3, 0, 0, 0);
F(0, 1, 2, 0, 1, 0);
F(0, 1, 1, 0, 2, 0);
F(0, 1, 0, 0, 3, 0);
// Bottom(0) to Left (2)
F(0, 2, 3, 0, 3, 0);
F(0, 2, 3, 1, 2, 0);
F(0, 2, 3, 2, 1, 0);
F(0, 2, 3, 3, 0, 0);
// Bottom(0) to Right (3)
F(0, 3, 0, 0, 0, 0);
F(0, 3, 0, 1, 1, 0);
F(0, 3, 0, 2, 2, 0);
F(0, 3, 0, 3, 3, 0);
// Top(4) to Front (1)
F(4, 1, 3, 0, 3, 3);
F(4, 1, 2, 0, 2, 3);
F(4, 1, 1, 0, 1, 3);
F(4, 1, 0, 0, 0, 3);
// Top(4) to Left (2)
F(4, 2, 0, 0, 3, 3);
F(4, 2, 0, 1, 2, 3);
F(4, 2, 0, 2, 1, 3);
F(4, 2, 0, 3, 0, 3);
// Top(4) to Right (3)
F(4, 3, 3, 0, 0, 3);
F(4, 3, 3, 1, 1, 3);
F(4, 3, 3, 2, 2, 3);
F(4, 3, 3, 3, 3, 3);
// Front(1) to Left (2)
F(1, 2, 0, 1, 3, 1);
F(1, 2, 0, 2, 3, 2);
// Left(2) to Right (3)
F(2, 3, 0, 1, 3, 1);
F(2, 3, 0, 2, 3, 2);
// Right(3) to Front (1)
F(3, 1, 0, 1, 3, 1);
F(3, 1, 0, 2, 3, 2);
// Fuse the triangles together
for (int i = 1; i < 4; i++) {
F(0, 0, 0, 3, i, 3);
F(4, 4, 0, 3, i, 3);
}
Matrix3 mat;
mat.IdentityMatrix();
Object *obj = CreateNURBSObject(NULL, &nset, mat);
return obj;
}
Object*
BuildNURBSPyramid(float width, float depth, float height, int genUVs)
{
int pyramid_faces[5][4] = { {0, 1, 2, 3}, // bottom
{2, 3, 4, 4}, // back
{1, 0, 4, 4}, // front
{3, 1, 4, 4}, // left
{0, 2, 4, 4}};// right
Point3 pyramid_verts[5] = { Point3(-0.5, -0.5, 0.0),
Point3( 0.5, -0.5, 0.0),
Point3(-0.5, 0.5, 0.0),
Point3( 0.5, 0.5, 0.0),
Point3( 0.0, 0.0, 1.0)};
NURBSSet nset;
for (int face = 0; face < 5; face++) {
Point3 bl = pyramid_verts[pyramid_faces[face][0]];
Point3 br = pyramid_verts[pyramid_faces[face][1]];
Point3 tl = pyramid_verts[pyramid_faces[face][2]];
Point3 tr = pyramid_verts[pyramid_faces[face][3]];
Matrix3 size;
size.IdentityMatrix();
Point3 lwh(width, depth, height);
size.Scale(lwh);
bl = bl * size;
br = br * size;
tl = tl * size;
tr = tr * size;
NURBSCVSurface *surf = new NURBSCVSurface();
nset.AppendObject(surf);
surf->SetUOrder(4);
surf->SetVOrder(4);
surf->SetNumCVs(4, 4);
surf->SetNumUKnots(8);
surf->SetNumVKnots(8);
Point3 top, bot;
for (int r = 0; r < 4; r++) {
top = tl + (((float)r/3.0f) * (tr - tl));
bot = bl + (((float)r/3.0f) * (br - bl));
for (int c = 0; c < 4; c++) {
NURBSControlVertex ncv;
ncv.SetPosition(0, bot + (((float)c/3.0f) * (top - bot)));
ncv.SetWeight(0, 1.0f);
surf->SetCV(r, c, ncv);
}
}
for (int k = 0; k < 4; k++) {
surf->SetUKnot(k, 0.0);
surf->SetVKnot(k, 0.0);
surf->SetUKnot(k + 4, 1.0);
surf->SetVKnot(k + 4, 1.0);
}
surf->Renderable(TRUE);
surf->SetGenerateUVs(genUVs);
if (height > 0.0f)
surf->FlipNormals(TRUE);
else
surf->FlipNormals(FALSE);
switch(face) {
case 0: // bottom
surf->SetTextureUVs(0, 0, Point2(1.0f, 0.0f));
surf->SetTextureUVs(0, 1, Point2(0.0f, 0.0f));
surf->SetTextureUVs(0, 2, Point2(1.0f, 1.0f));
surf->SetTextureUVs(0, 3, Point2(0.0f, 1.0f));
break;
default: // sides
surf->SetTextureUVs(0, 0, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 1, Point2(0.5f, 1.0f));
surf->SetTextureUVs(0, 2, Point2(0.0f, 0.0f));
surf->SetTextureUVs(0, 3, Point2(1.0f, 0.0f));
break;
}
TCHAR bname[80];
_stprintf(bname, _T("%s%02d"), GetString(IDS_CT_SURF), face);
surf->SetName(bname);
}
#define F(s1, s2, s1r, s1c, s2r, s2c) \
fuse.mSurf1 = (s1); \
fuse.mSurf2 = (s2); \
fuse.mRow1 = (s1r); \
fuse.mCol1 = (s1c); \
fuse.mRow2 = (s2r); \
fuse.mCol2 = (s2c); \
nset.mSurfFuse.Append(1, &fuse);
NURBSFuseSurfaceCV fuse;
// Fuse the degenerate peaks
for (int i = 1; i < 5; i++) {
for (int j = 1; j < 4; j++) {
F(i, i, 0, 3, j, 3);
}
}
// Fuse the peaks together
F(1, 2, 0, 3, 0, 3);
F(1, 3, 0, 3, 0, 3);
F(1, 4, 0, 3, 0, 3);
// Bottom(0) to Back (1)
F(0, 1, 3, 3, 3, 0);
F(0, 1, 2, 3, 2, 0);
F(0, 1, 1, 3, 1, 0);
F(0, 1, 0, 3, 0, 0);
// Bottom(0) to Front (2)
F(0, 2, 0, 0, 3, 0);
F(0, 2, 1, 0, 2, 0);
F(0, 2, 2, 0, 1, 0);
F(0, 2, 3, 0, 0, 0);
// Bottom(0) to Left (3)
F(0, 3, 3, 0, 3, 0);
F(0, 3, 3, 1, 2, 0);
F(0, 3, 3, 2, 1, 0);
F(0, 3, 3, 3, 0, 0);
// Bottom(0) to Right (4)
F(0, 4, 0, 0, 0, 0);
F(0, 4, 0, 1, 1, 0);
F(0, 4, 0, 2, 2, 0);
F(0, 4, 0, 3, 3, 0);
// Front (2) to Right (4)
F(2, 4, 3, 1, 0, 1);
F(2, 4, 3, 2, 0, 2);
// Right (4) to Back (1)
F(4, 1, 3, 1, 0, 1);
F(4, 1, 3, 2, 0, 2);
// Back (1) to Left (3)
F(1, 3, 3, 1, 0, 1);
F(1, 3, 3, 2, 0, 2);
// Left (3) to Front (2)
F(3, 2, 3, 1, 0, 1);
F(3, 2, 3, 2, 0, 2);
Matrix3 mat;
mat.IdentityMatrix();
Object *obj = CreateNURBSObject(NULL, &nset, mat);
return obj;
}