?? 繪制簡單表面.cpp
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#include<windows.h>
#include<GL/gl.h>
#include<GL/glu.h>
#include<GL/glaux.h>
#pragma comment(lib,"opengl32")
#pragma comment(lib,"glu32")
#pragma comment(lib,"glaux")
void Init(void);
void CALLBACK Resize(GLsizei w,GLsizei h);
void CALLBACK Paint(void);
GLUquadricObj* quadObj;
void CALLBACK Paint(void)
{
glClearColor(0.0,0.0,0.0,1.0);
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
gluQuadricDrawStyle(quadObj,GLU_FILL);
glColor3f(1.0,1.0,1.0);
glTranslatef(10.0,10.0,0.0);
gluDisk(quadObj,0.0,5.0,10,2);
glPopMatrix();
glPushMatrix();
glColor3f(1.0,1.0,0.0);
glTranslatef(20.0,20.0,0.0);
gluPartialDisk(quadObj,0.0,5.0,10,3,30.0,120.0);
glPopMatrix();
glPushMatrix();
gluQuadricDrawStyle(quadObj,GLU_SILHOUETTE);
glColor3f(0.0,1.0,1.0);
glTranslatef(30.0,30.0,0.0);
gluPartialDisk(quadObj,0.0,5.0,10,3,135.0,270.0);
glPopMatrix();
glPushMatrix();
gluQuadricDrawStyle(quadObj,GLU_LINE);
glColor3f(1.0,0.0,1.0);
glTranslatef(40.0,40.0,0.0);
gluDisk(quadObj,2.0,5.0,10,10);
glPopMatrix();
glFlush();
}
void Init(void)
{
quadObj=gluNewQuadric();
glShadeModel(GL_FALSE);
}
void CALLBACK Resize(GLsizei w,GLsizei h)
{
if(!h)return;
glViewport(0,0,w,h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if(w<=h)
glOrtho(0.0,50.0,0.0,50.0*(GLfloat)h/(GLfloat)w,-1.0,1.0);
else
glOrtho(0.0,50.0*(GLfloat)w/(GLfloat)h,0.0,50.0,-1.0,1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void main(void)
{
auxInitDisplayMode(AUX_SINGLE|AUX_RGB);
auxInitPosition(0,0,500,500);
auxInitWindow("GLU-簡單表面");
Init();
auxReshapeFunc(Resize);
auxMainLoop(Paint);
}
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