Thread View: cn.bbs.comp.program
1 messages
1 total messages
Started by ����
Tue, 05 May 1998 00:00
OPENGL(5)
Author: ����
Date: Tue, 05 May 1998 00:00
Date: Tue, 05 May 1998 00:00
152 lines
5490 bytes
5490 bytes
BBSˮľ�廪վ�þ�����
������: yxy (��˿˿#���ߵ�С��ӥ), ����: GAME_Designer
�� ��: OPENGL(5)
����վ: BBS ˮľ�廪վ (Fri Jan 16 09:13:13 1998)
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glColor3f(1.0,0.0,0.0);
glVertex3f(0.0,0.0,0/0);
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void glColor3{b s i f d ub us ui}(TYPE r,TYPE g, TYPE b);
void glColor4{b s i f d ub us ui}(TYPE r,TYPE g, TYPE b,TYPE a);
void glColor3{b s i f d ub us ui}v(TYPE *v);
void glColor4{b s i f d ub us ui}v(TYPE *v);
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�� ���� MIN MINӳ�� MAX MAXӳ��
b 1byte���� -128 -1.0 127 1.0
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void glIndex{s i f d}(TYPE c);
void glIndex{s i f d}(TYPE *c);
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//sample.cpp
//////////////////////////////
#include "glos.h"
#include <GL/gl.h>
#include <GL/glaux.h>
#include "windows.h"
void myinit(void);
void InitPalette(void);
void CALLBACK display(void);
void CALLBACK reshape(GLsizei w,GLsizei h);
void myinit(void)
{
auxInitDisplayMode(AUX_SINGLE|AUX_INDEX);
auxInitPosition(0,0,500,500);
auxInitWindow("sample1");
glClearColor(0.0,0.0,0.0,0.0);
glClear(GL_COLOR_BUFFER_BIT);
glShadeModel(GL_FLAT);//GL_FLAT��ɫģʽ
}
void CALLBACK reshape(GLsizei w,GLsizei h)
{
if(w<=500&&h<=500)
glViewport(0,0,w,h);
if(w>500&&h<=500)
glViewport(0,0,500,h);
if(w<=500&&h>500)
glViewport(0,0,w,500);
if(w>500&&h>500)
glViewport(0,0,500,500);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if(w<=h)
glOrtho(-20.0,20.0,-20.0*(GLfloat)h/(GLfloat)w,
20.0*(GLfloat)h/(GLfloat)w,-50.0,50.0);
else
glOrtho(-20.0*(GLfloat)h/(GLfloat)w,
20.0*(GLfloat)h/(GLfloat)w,-20.0,20.0,-50.0,50.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void draw(void)
{
GLint n;
//���ȸ�����ȵ������Ϣ
GLfloat pp[8][2]={{7.0,-7.0},{0.0,-10.0},{-7.0,-7.0},{-10.0,0.0},
{-7.0,7.0},{0.0,10.0},{7.0,7.0},{10.0,0.0}};
//�Ȼ�ǰ�����㣬Ȼ����ѭ����ȡǰ������������飩��Ϣ����
//����ͼ��
glBegin(GL_TRIANGLE_FAN);
glVertex2f(0.0,0.0);
glVertex2f(10.0,0.0);
for(n=0;n<8;n++)
{
//ÿ�δ���ɫ���ұ����ҳ�����ɫ��Ȼ���������ɫ���������
//ע��glVertex2fv()��v����ʹ�ã���ǰû��������v�����
//�����Ǹ����������飩
glIndexi(n+1);
glVertex2fv(pp[n]);
}
glEnd();
}
void InitPalette(void)
{
//���DZ����ӵĹؼ��ʼ����ɫ���ұ?����һ������
//��8����ɫ���Ǵ�������Ľ���
GLint i;
static GLfloat rgb[][3]={{0.0,0.0,0.2},{0.0,0.0,0.4},{0.0,0.0,0.6},
{0.0,0.0,1.0},{0.0,0.2,1.0},{0.0,0.4,1.0},{0.0,0.8,1.0},{0.0,1.0,1.0}};
//���üĸ���⺯������ϵͳ��ɫ�壬�Ѹղ�8����ɫ��Ϊȫ��
//��ɫ���������
for(i=0;i<8;i++)
auxSetOneColor(i+1,rgb[i][0],rgb[i][1],rgb[i][2]);
}
void CALLBACK display(void)
{
//���ȵ����Զ����InitPalette()��ʼ����ɫ��
InitPalette();
glClearColor(0.0,0.0,0.0,1.0);
glClear(GL_COLOR_BUFFER_BIT);
glLoadIdentity();
draw();
glFlush();
}
void main(void)
{
myinit();
auxReshapeFunc(reshape);
auxMainLoop(display);
}
//end of sample
�´ν�����OPENGL�Ĺ��պͲ���Ч��һ������3D�Ľ��ݣ�
��ҿ���ѽ ......
--
�� ��Դ:��BBS ˮľ�廪վ bbs.net.tsinghua.edu.cn��[FROM: 166.111.74.90]
BBSˮľ�廪վ�þ�����
�� ��Դ: �й�ƴ�BBSվ [bbs.ustc.edu.cn]
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