Код:
#include "myglwidget.h"
#include "math.h"
float k,m,p,r,t,s,phi;
float x,y,del;
void MyGLWidget::initializeGL()
{
glClearColor(0.0,0.0,0.0,0.0);
}
void MyGLWidget::resizeGL(int nWidth,int nHeight)
{
glViewport(0,0,(GLint)nWidth,(GLint)nHeight);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-50.0,50.0,-50.0,50.0,-50.0,50.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void MyGLWidget::paintGL()
{
x=0;
k=15;
m=30;
y=k;
phi = 0;
del = 4*(k*k)*(x+1)*(x+1)+k*k*(2*y-1)*(2*y-1)-4*k*k*k*;
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glBegin(GL_POINTS);
glColor3d(1.0,0.0,0.0);
while (x<y)
{
glVertex3d(x,m,y);
glVertex3d(x,m,-y);
glVertex3d(-x,m,y);
glVertex3d(-x,m,-y);
glVertex3d(x,-m,y);
glVertex3d(x,-m,-y);
glVertex3d(-x,-m,y);
glVertex3d(-x,-m,-y);
if(del>=0){
y=y-1;
del=del-8*y*k^2;
}
del=del+4*(k*k)*(2*x+3);
x=x+1;
}
glEnd();
glDisable(GL_DEPTH_TEST);
}даёт следующие ошибки:
Код:
myglwidget.cpp: In member function 'virtual void MyGLWidget::paintGL()':
myglwidget.cpp:23: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:26: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:28: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:28: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:28: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:28: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:28: error: expected primary-expression before ';' token
myglwidget.cpp:33: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:33: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:35: error: argument of type 'int (QWidget::)()const' does not match 'GLdouble'
myglwidget.cpp:36: error: wrong type argument to unary minus
myglwidget.cpp:37: error: wrong type argument to unary minus
myglwidget.cpp:38: error: wrong type argument to unary minus
myglwidget.cpp:38: error: wrong type argument to unary minus
myglwidget.cpp:40: error: argument of type 'int (QWidget::)()const' does not match 'GLdouble'
myglwidget.cpp:41: error: wrong type argument to unary minus
myglwidget.cpp:42: error: wrong type argument to unary minus
myglwidget.cpp:43: error: wrong type argument to unary minus
myglwidget.cpp:43: error: wrong type argument to unary minus
myglwidget.cpp:46: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:47: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:49: error: invalid use of member (did you forget the '&' ?)
myglwidget.cpp:50: error: invalid use of member (did you forget the '&' ?)
make: *** [myglwidget.o] Error 1
make: Target `first' not remade because of errors.
*** Exited with status: 2 ***Почему-то
Код: Выделить всё
k=15;
m=30;Код: Выделить всё
x=0;
y=k;