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added boolean parameter to use on not the display list

This commit is contained in:
Nico Pietroni 2005-04-04 11:59:16 +00:00
parent 1363b8c4a8
commit 6160f0545d
1 changed files with 109 additions and 43 deletions
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114
wrap/gl/addons.h
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@ -22,7 +22,10 @@
****************************************************************************/
/****************************************************************************
Histoy
****************************************************************************/
#ifndef __VCG_GLADDONS
#define __VCG_GLADDONS
#include <glut.h>
#include <wrap/gl/math.h>
@ -75,25 +78,29 @@ namespace vcg
}
///draw a cylinder
static void Cylinder(int slices,double lenght,double width)
static void Cylinder(int slices,double lenght,double width,bool useDisplList)
{
static std::map<int,GLint> Disp_listMap;
GLint cyl_List=-1;
std::map<int,GLint>::const_iterator it=Disp_listMap.find(slices);
///if the diplay list is createdtake the Glint that identify it
bool to_insert=false;
if (useDisplList)
{
if (it!=Disp_listMap.end())///the list exist
{cyl_List=it->second;}
cyl_List=it->second;
else to_insert=true;
}
glScaled(lenght,width,width);
if (!glIsList(cyl_List))
if (((!glIsList(cyl_List))&&(useDisplList))||(!useDisplList))
{
if (useDisplList)
{
cyl_List = glGenLists(1);
glNewList(cyl_List, GL_COMPILE);
}
int b;
vcg::Point3d p0;
vcg::Point3d p1;
@ -101,10 +108,10 @@ namespace vcg
double step=6.28/(double)slices;
double angle=0;
glBegin(GL_TRIANGLE_STRIP);
for(b = 0; b <= slices; ++b){
for(b = 0; b <= slices-1; ++b){
//double angle = 6.28*b/(double)lenght;
//double angle = 6.28*(double)b;
angle+=step;
//angle+=step;
//p0 = Point3d( 0, width * sin(angle),width * cos(angle));
p0 = Point3d( 0, sin(angle),cos(angle));
//p1 = p0; p1[0] = lenght;
@ -112,25 +119,69 @@ namespace vcg
glNormal3f(p0[0],p0[1],p0[2]);
glVertex3d(p0[0],p0[1],p0[2]);
glVertex3d(p1[0],p1[1],p1[2]);
angle+=step;
}
///re-conjunction with first point of cylinder
glNormal3f(0,0,1);
glVertex3d(0,0,1);
glVertex3d(1,0,1);
glEnd();
///fill the cylinder down
angle=0;
p0=vcg::Point3d(0,0,0);
glBegin(GL_TRIANGLE_FAN);
glNormal3f(-1,0,0);
glVertex3d(p0[0],p0[1],p0[2]);
for(b = 0; b <= slices-1; ++b){
glNormal3f(-1,0,0);
p1 = Point3d( 0, sin(angle),cos(angle));
glVertex3d(p1[0],p1[1],p1[2]);
angle+=step;
}
glNormal3f(-1,0,0);
glVertex3d(0,0,1);
glEnd();
angle=0;
p0=vcg::Point3d(1,0,0);
glBegin(GL_TRIANGLE_FAN);
glNormal3f(1,0,0);
glVertex3d(p0[0],p0[1],p0[2]);
for(b = 0; b <= slices-1; ++b){
glNormal3f(1,0,0);
p1 = Point3d( 1, sin(angle),cos(angle));
glVertex3d(p1[0],p1[1],p1[2]);
angle+=step;
}
glNormal3f(1,0,0);
glVertex3d(1,0,1);
glEnd();
if (useDisplList)
glEndList();
}
if (useDisplList)
{
glCallList(cyl_List);
///I insert key and value in the map if I need
if (to_insert)
Disp_listMap.insert(std::pair<int,GLint>(slices,cyl_List));
}
}
static void Diamond (double radius)
static void Diamond (double radius,bool useDisplList)
{
static GLint diam_List=-1;
glScaled(radius,radius,radius);
if (!glIsList(diam_List))
if (((!glIsList(diam_List))&&(useDisplList))||(!useDisplList))
{
if (useDisplList)
{
diam_List = glGenLists(1);
glNewList(diam_List, GL_COMPILE);
}
glBegin(GL_TRIANGLE_FAN);
glNormal3f( 0.0, 1, 0.0);
@ -172,13 +223,15 @@ namespace vcg
glNormal3f( 1, 0.0, 0.0);
glVertex3f( 1, 0.0, 0.0);
glEnd();
if (useDisplList)
glEndList();
}
if (useDisplList)
glCallList(diam_List);
}
///draw a cone
static void Cone(int slices,double lenght,double width)
static void Cone(int slices,double lenght,double width,bool useDisplList)
{
static std::map<int,GLint> Disp_listMap;
GLint cone_List=-1;
@ -186,19 +239,25 @@ namespace vcg
///if the diplay list is createdtake the Glint that identify it
bool to_insert=false;
if (useDisplList)
{
if (it!=Disp_listMap.end())///the list exist
{cone_List=it->second;}
cone_List=it->second;
else to_insert=true;
}
glScaled(lenght,width,width);
if (!glIsList(cone_List))
if (((!glIsList(cone_List))&&(useDisplList))||(!useDisplList))
{
int h;
vcg::Point3d p0;
glScaled(lenght,width,width);
if (useDisplList)
{
cone_List = glGenLists(1);
glNewList(cone_List, GL_COMPILE);
}
for(h=0; h < 2; ++h){
glBegin(GL_TRIANGLE_FAN);
p0 = Point3d(0,0,0);
@ -220,13 +279,17 @@ namespace vcg
}
glEnd();
}
if (useDisplList)
glEndList();
}
if (useDisplList)
{
glCallList(cone_List);
///I insert key and value in the map if I need
if (to_insert)
Disp_listMap.insert(std::pair<int,GLint>(slices,cone_List));
}
}
public:
@ -238,9 +301,9 @@ namespace vcg
/// head_slice = number of slices on the head
template <DrawMode dm>
static void glArrow(Point3d tail, Point3d head,double body_width,double head_lenght,
double head_width,int body_slice=10,int head_slice=10)
double head_width,int body_slice=10,int head_slice=10,bool useDisplList=true)
{
assert(!glGetError());
//assert(!glGetError());
Matrix44d tr;
XAxis(tail,head,tr);
glPushAttrib(GL_ALL_ATTRIB_BITS);
@ -251,31 +314,32 @@ namespace vcg
double l_body=Direct.Norm()-head_lenght;
glPushMatrix();
glTranslate(vcg::Point3d(tail.Norm(),0,0));
Cylinder(body_slice,l_body,body_width);
Cylinder(body_slice,l_body,body_width,useDisplList);
glPopMatrix();
glTranslate(vcg::Point3d(l_body,0,0));
Cone(head_slice,head_lenght,head_width);
Cone(head_slice,head_lenght,head_width,useDisplList);
glPopMatrix();
assert(!glGetError());
//assert(!glGetError());
glPopAttrib();
assert(!glGetError());
//assert(!glGetError());
}
/// draw a cone from tail to head
/// width = width of the base of the cone
/// slice = number of slices on the cone
template <DrawMode dm>
static void glCone(Point3d tail, Point3d head,double width,int slice=10)
static void glCone(Point3d tail, Point3d head,double width,int slice=10,bool useDisplList=true)
{
Matrix44d tr;
XAxis(tail,head,tr);
glPushAttrib(GL_ALL_ATTRIB_BITS);
SetGLParameters(dm);
glPushMatrix();
glMultMatrixd(&tr[0][0]);
vcg::Point3d Direct=(head-tail);
double l_body=Direct.Norm();
glTranslate(vcg::Point3d(tail.Norm(),0,0));
Cone(slice,l_body,width);
Cone(slice,l_body,width,useDisplList);
glPopMatrix();
glPopAttrib();
}
@ -284,17 +348,18 @@ namespace vcg
/// width = width of the base of the cylinder
/// slice = number of slices on the cylinder
template <DrawMode dm>
static void glCylinder(Point3d tail, Point3d head,double width,int slice=10)
static void glCylinder(Point3d tail, Point3d head,double width,int slice=10,bool useDisplList=true)
{
Matrix44d tr;
XAxis(tail,head,tr);
glPushAttrib(GL_ALL_ATTRIB_BITS);
SetGLParameters(dm);
glPushMatrix();
glMultMatrixd(&tr[0][0]);
vcg::Point3d Direct=(head-tail);
double l_body=Direct.Norm();
glTranslate(vcg::Point3d(tail.Norm(),0,0));
Cylinder(slice,l_body,width);
Cylinder(slice,l_body,width,useDisplList);
glPopMatrix();
glPopAttrib();
@ -325,15 +390,16 @@ namespace vcg
/// slices = The number of subdivisions around the Z axis (similar to lines of longitude).
/// stacks = The number of subdivisions along the Z axis (similar to lines of latitude).
template <DrawMode dm>
static void glDiamond (Point3f Center, double size)
static void glDiamond (Point3f Center, double size,bool useDisplList=true)
{
glPushAttrib(GL_ALL_ATTRIB_BITS);
SetGLParameters(dm);
glPushMatrix();
glTranslated(Center[0],Center[1],Center[2]);
Diamond(size);
Diamond(size,useDisplList);
glPopMatrix();
glPopAttrib();
}
};
}
#endif