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тех. задание вращение 2х сфер вокруг третьей при столкновении изменение законов движения. Реакции на столкновение невидно. по моему из-за того что сферы за 1 итерацию "проскакивают" слишком большой отрезок. Подскажите как быть? .сpp | Код |
#include "glwidget.h"
#include "glu.h"
#include <GL\glext.h>
#include <GL\gl.h>
using namespace std;
GLWidget::GLWidget(QWidget *parent)
:QGLWidget(QGLFormat(QGL::DoubleBuffer|QGL::DepthBuffer|QGL::StencilBuffer), parent){}
const int isolines1=128;
const int isolines2=128;
void GLWidget::initializeGL()
{flag=true;
flag1=false;
flag2=false;
flag3=false;
setAutoBufferSwap(true);
glShadeModel(GL_SMOOTH);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_LIGHTING);
GLfloat ambientLight[]={ 0.2, 0.2, 0.2, 1.0 };
GLfloat diffuseLight[]={ 0.5, 0.5, 0.5, 1.0 };
GLfloat lightPos[]={ 100, 100, 100, 0 };
glLightfv(GL_LIGHT0, GL_AMBIENT, ambientLight);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuseLight);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glEnable(GL_LIGHT0);
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);}
void GLWidget::resizeGL(int width, int height)
{glViewport(0,0,width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glScalef(0.63f, 1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);}
void GLWidget::paintGL()
{
glClearColor(0, 0, 0, 0);
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
r1 = 0.1f;
r2 = 0.1f;
v1=1000.0;
v2=1000.0;
static int time=-1570;
if (flag=true)
{x3=(cos(((double)time)/v1));
y3=(sin(((double)time)/v1));
z3=0.0f;
x4=(cos(((double)time)/v2));
y4=0.0f;
z4=(sin(((double)time)/v2));
s=(((x3-x4)*(x3-x4))+((y3-y4)*(y3-y4))+((z3-z4)*(z3-z4)));
if (((s)=0.04)){flag1=true;flag=false; }
goto q;}
if (flag1=true){
x3=(cos(((double)time)/v1));
z3=(sin(((double)time)/v1));
y3=(sin(((double)time)/v1));
x4=(cos(((double)time)/v2))/sqrt(2);
z4=(sin(((double)time)/v2))/sqrt(2);
y4=(cos(((double)time)/v2))/sqrt(2);
s=(((x3-x4)*(x3-x4))+((y3-y4)*(y3-y4))+((z3-z4)*(z3-z4)));
if (((s)=0.04)){flag2=true;flag1=false;}
goto q;}
if (flag2=true){
x3=(cos(((double)time)/v1));
z3=(sin(((double)time)/v1));
y3=(sin(((double)time)/v1));
//x4=(cos(((double)time)/100.0));
z4=(sin(((double)time)/v2));
y4=(cos(((double)time)/v2));
x4=0.0f;
z3=0.0f;
s=(((x3-x4)*(x3-x4))+((y3-y4)*(y3-y4))+((z3-z4)*(z3-z4)));
if (((s)=0.04))
{flag3=true;flag2=false;}
goto q;}
if (flag3=true)
{x3=(cos(((double)time)/100.0));
z3=(sin(((double)time)/100.0));
y3=(sin(((double)time)/100.0));
x4=-(cos(((double)time)/100.0));
z4=(sin(((double)time)/100.0));
y4=(cos(((double)time)/100.0));
s=(((x3-x4)*(x3-x4))+((y3-y4)*(y3-y4))+((z3-z4)*(z3-z4)));
if (((s)=0.04)){//flag = true;
flag3=false;}
goto q;}
q:{ if((z4<0) ){GLUquadricObj *qobj; // проверка обхода 2
qobj = gluNewQuadric();
r = 0.25f;
glColor3f(1.0, 1.0, 0.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslated( 0.0 ,0.0,0.0);
glTranslatef(0.0f,0.0f,0.0f);
gluQuadricDrawStyle(qobj,GLU_SMOOTH);
gluQuadricOrientation(qobj, GLU_OUTSIDE);
gluQuadricNormals(qobj,GL_SMOOTH);
gluSphere(qobj,r, isolines1, isolines2);
glPopMatrix();
GLUquadricObj *qobj1;
qobj1 = gluNewQuadric();
r1 = 0.1f;
glColor3f(1.0,0.0, 0.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef(0.0f,0.0f,0.0f);
glTranslated(x3,y3,z3);
gluQuadricDrawStyle(qobj1,GLU_SMOOTH);
gluQuadricOrientation(qobj1, GLU_INSIDE);
gluQuadricNormals(qobj1,GL_SMOOTH);
gluSphere(qobj1,r1, isolines1, isolines2);
glPopMatrix();
GLUquadricObj *qobj2;
qobj2 = gluNewQuadric();
r2 = 0.1f;
glColor3f(0.0,0.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef(0.0f,0.0f,0.0f);
glTranslated( x4,y4,z4);
gluQuadricDrawStyle(qobj2,GLU_SMOOTH);
gluQuadricOrientation(qobj2, GLU_OUTSIDE);
gluQuadricNormals(qobj2,GL_SMOOTH);
gluSphere(qobj2,r2, isolines1, isolines2);
glPopMatrix();
glPopMatrix();
gluDeleteQuadric(qobj2);
}
else{ // проверка обхода 2 иначе
GLUquadricObj *qobj1;
qobj1 = gluNewQuadric();
r1 = 0.1f;
glColor3f(1.0,0.0, 0.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef(0.0f,0.0f,0.0f);
glTranslated( x3,y3,z3);
gluQuadricDrawStyle(qobj1,GLU_SMOOTH);
gluQuadricOrientation(qobj1, GLU_INSIDE);
gluQuadricNormals(qobj1,GL_SMOOTH);
gluSphere(qobj1,r1, isolines1, isolines2);
glPopMatrix();
GLUquadricObj *qobj2;
qobj2 = gluNewQuadric();
r2 = 0.1f;
glColor3f(0.0,0.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef(0.0f,0.0f,0.0f);
glTranslated( x4,y4,z4);
gluQuadricDrawStyle(qobj2,GLU_SMOOTH);
gluQuadricOrientation(qobj2, GLU_OUTSIDE);
gluQuadricNormals(qobj2,GL_SMOOTH);
gluSphere(qobj2,r2, isolines1, isolines2);
glPopMatrix();
glPopMatrix();
gluDeleteQuadric(qobj2);
GLUquadricObj *qobj;
qobj = gluNewQuadric();
r = 0.25f;
glColor3f(1.0, 1.0, 0.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslated( 0.0 ,0.0,0.0);
glTranslatef(0.0f,0.0f,0.0f);
gluQuadricDrawStyle(qobj,GLU_SMOOTH);
gluQuadricOrientation(qobj, GLU_OUTSIDE);
gluQuadricNormals(qobj,GL_SMOOTH);
gluSphere(qobj,r, isolines1, isolines2);
glPopMatrix();}}
swapBuffers();
time++;
updateGL();
}
GLWidget::~GLWidget()
{}
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.h | Код |
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QtOpenGL>
#include <GL\glu.h>
#include <GL\gl.h>
#include <GL\glext.h>
#include <math.h>
class GLWidget : public QGLWidget
{Q_OBJECT
public:
GLWidget(QWidget *parent);
~GLWidget();
GLUquadricObj* qobj;
GLUquadricObj* qobj1;
GLUquadricObj* qobj2;
GLWidget() { qobj=gluNewQuadric(); qobj1=gluNewQuadric(); qobj2=gluNewQuadric();};
protected:
void initializeGL();
void resizeGL(int width, int height);
void paintGL();
GLdouble r;
GLdouble r1;
GLdouble r2;
GLdouble s;
GLdouble x2;
GLdouble y2;
GLdouble x3;
GLdouble z3;
GLdouble y3;
GLdouble x4;
GLdouble z4;
GLdouble y4;
//GLint h;
GLdouble v1;
GLdouble v2;
bool flag;
bool flag1;
bool flag2;
bool flag3;
};
#endif // GLWIDGET_H
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[QT] проблемы с отрисовкой сферы OpenGL, растдение по горизонтали в 2 раза 
Загрузка ...
делай в нём updateGL()
