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Code Issues 121 Wiki Activity

camera-centric rendering, initial implementation

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This commit is contained in:
tmj-fstate
2017-05-25 12:58:43 +02:00
parent ac61dbdf14
commit 2b6ea903bc
15 changed files with 385 additions and 357 deletions
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114
Segment.cpp
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@@ -319,7 +319,7 @@ vector3 TSegment::FastGetPoint(double t)
return (bCurve ? RaInterpolate(t) : ((1.0 - t) * Point1 + (t)*Point2));
}
int TSegment::RenderLoft( CVertNormTex* &Output, const vector6 *ShapePoints, int iNumShapePoints, double fTextureLength, double Texturescale, int iSkip, int iEnd, double fOffsetX, bool Onlypositions, vector3 **p, bool bRender)
int TSegment::RenderLoft( CVertNormTex* &Output, Math3D::vector3 const &Origin, const vector6 *ShapePoints, int iNumShapePoints, double fTextureLength, double Texturescale, int iSkip, int iEnd, double fOffsetX, vector3 **p, bool bRender)
{ // generowanie trójkątów dla odcinka trajektorii ruchu
// standardowo tworzy triangle_strip dla prostego albo ich zestaw dla łuku
// po modyfikacji - dla ujemnego (iNumShapePoints) w dodatkowych polach tabeli
@@ -368,12 +368,10 @@ int TSegment::RenderLoft( CVertNormTex* &Output, const vector6 *ShapePoints, int
jmm2 = 0.0;
}
if( false == Onlypositions ) {
while( tv1 < 0.0 ) {
tv1 += 1.0;
}
tv2 = tv1 - step / fTextureLength; // mapowanie na końcu segmentu
while( tv1 < 0.0 ) {
tv1 += 1.0;
}
tv2 = tv1 - step / fTextureLength; // mapowanie na końcu segmentu
t = fTsBuffer[ i ]; // szybsze od GetTFromS(s);
pos2 = FastGetPoint( t );
@@ -389,30 +387,25 @@ int TSegment::RenderLoft( CVertNormTex* &Output, const vector6 *ShapePoints, int
for( int j = 0; j < iNumShapePoints; ++j ) {
pt = parallel1 * ( jmm1 * ( ShapePoints[ j ].x - fOffsetX ) + m1 * ShapePoints[ j + iNumShapePoints ].x ) + pos1;
pt.y += jmm1 * ShapePoints[ j ].y + m1 * ShapePoints[ j + iNumShapePoints ].y;
if( false == Onlypositions ) {
norm = ( jmm1 * ShapePoints[ j ].n.x + m1 * ShapePoints[ j + iNumShapePoints ].n.x ) * parallel1;
norm.y += jmm1 * ShapePoints[ j ].n.y + m1 * ShapePoints[ j + iNumShapePoints ].n.y;
}
pt -= Origin;
norm = ( jmm1 * ShapePoints[ j ].n.x + m1 * ShapePoints[ j + iNumShapePoints ].n.x ) * parallel1;
norm.y += jmm1 * ShapePoints[ j ].n.y + m1 * ShapePoints[ j + iNumShapePoints ].n.y;
if( bRender ) { // skrzyżowania podczas łączenia siatek mogą nie renderować poboczy, ale potrzebować punktów
if( Output == nullptr ) {
// immediate mode
if( false == Onlypositions ) {
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( (jmm1 * ShapePoints[ j ].z + m1 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale, tv1 );
}
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( (jmm1 * ShapePoints[ j ].z + m1 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale, tv1 );
::glVertex3f( pt.x, pt.y, pt.z ); // pt nie mamy gdzie zapamiętać?
}
else {
Output->x = pt.x;
Output->y = pt.y;
Output->z = pt.z;
if( false == Onlypositions ) {
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = (jmm1 * ShapePoints[ j ].z + m1 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale;
Output->v = tv1;
}
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = (jmm1 * ShapePoints[ j ].z + m1 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale;
Output->v = tv1;
++Output;
}
++vertexcount;
@@ -427,30 +420,25 @@ int TSegment::RenderLoft( CVertNormTex* &Output, const vector6 *ShapePoints, int
// dla trapezu drugi koniec ma inne współrzędne
pt = parallel2 * ( jmm2 * ( ShapePoints[ j ].x - fOffsetX ) + m2 * ShapePoints[ j + iNumShapePoints ].x ) + pos2;
pt.y += jmm2 * ShapePoints[ j ].y + m2 * ShapePoints[ j + iNumShapePoints ].y;
if( false == Onlypositions ) {
norm = ( jmm1 * ShapePoints[ j ].n.x + m1 * ShapePoints[ j + iNumShapePoints ].n.x ) * parallel2;
norm.y += jmm1 * ShapePoints[ j ].n.y + m1 * ShapePoints[ j + iNumShapePoints ].n.y;
}
pt -= Origin;
norm = ( jmm1 * ShapePoints[ j ].n.x + m1 * ShapePoints[ j + iNumShapePoints ].n.x ) * parallel2;
norm.y += jmm1 * ShapePoints[ j ].n.y + m1 * ShapePoints[ j + iNumShapePoints ].n.y;
if( bRender ) { // skrzyżowania podczas łączenia siatek mogą nie renderować poboczy, ale potrzebować punktów
if( Output == nullptr ) {
// immediate mode
if( false == Onlypositions ) {
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( (jmm2 * ShapePoints[ j ].z + m2 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale, tv2 );
}
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( (jmm2 * ShapePoints[ j ].z + m2 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale, tv2 );
::glVertex3f( pt.x, pt.y, pt.z );
}
else {
Output->x = pt.x;
Output->y = pt.y;
Output->z = pt.z;
if( false == Onlypositions ) {
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = (jmm2 * ShapePoints[ j ].z + m2 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale;
Output->v = tv2;
}
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = (jmm2 * ShapePoints[ j ].z + m2 * ShapePoints[ j + iNumShapePoints ].z) / Texturescale;
Output->v = tv2;
++Output;
}
++vertexcount;
@@ -470,58 +458,48 @@ int TSegment::RenderLoft( CVertNormTex* &Output, const vector6 *ShapePoints, int
//łuk z jednym profilem
pt = parallel1 * ( ShapePoints[ j ].x - fOffsetX ) + pos1;
pt.y += ShapePoints[ j ].y;
if( false == Onlypositions ) {
norm = ShapePoints[ j ].n.x * parallel1;
norm.y += ShapePoints[ j ].n.y;
}
pt -= Origin;
norm = ShapePoints[ j ].n.x * parallel1;
norm.y += ShapePoints[ j ].n.y;
if( Output == nullptr ) {
// immediate mode
if( false == Onlypositions ) {
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( ShapePoints[ j ].z / Texturescale, tv1 );
}
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( ShapePoints[ j ].z / Texturescale, tv1 );
::glVertex3f( pt.x, pt.y, pt.z ); // punkt na początku odcinka
}
else {
Output->x = pt.x;
Output->y = pt.y;
Output->z = pt.z;
if( false == Onlypositions ) {
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = ShapePoints[ j ].z / Texturescale;
Output->v = tv1;
}
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = ShapePoints[ j ].z / Texturescale;
Output->v = tv1;
++Output;
}
++vertexcount;
pt = parallel2 * ShapePoints[ j ].x + pos2;
pt.y += ShapePoints[ j ].y;
if( false == Onlypositions ) {
norm = ShapePoints[ j ].n.x * parallel2;
norm.y += ShapePoints[ j ].n.y;
}
pt -= Origin;
norm = ShapePoints[ j ].n.x * parallel2;
norm.y += ShapePoints[ j ].n.y;
if( Output == nullptr ) {
// immediate mode
if( false == Onlypositions ) {
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( ShapePoints[ j ].z / Texturescale, tv2 );
}
::glNormal3f( norm.x, norm.y, norm.z );
::glTexCoord2f( ShapePoints[ j ].z / Texturescale, tv2 );
::glVertex3f( pt.x, pt.y, pt.z ); // punkt na końcu odcinka
}
else {
Output->x = pt.x;
Output->y = pt.y;
Output->z = pt.z;
if( false == Onlypositions ) {
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = ShapePoints[ j ].z / Texturescale;
Output->v = tv2;
}
Output->nx = norm.x;
Output->ny = norm.y;
Output->nz = norm.z;
Output->u = ShapePoints[ j ].z / Texturescale;
Output->v = tv2;
++Output;
}
++vertexcount;
@@ -534,9 +512,7 @@ int TSegment::RenderLoft( CVertNormTex* &Output, const vector6 *ShapePoints, int
}
pos1 = pos2;
parallel1 = parallel2;
if( false == Onlypositions ) {
tv1 = tv2;
}
tv1 = tv2;
}
return vertexcount;