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#include "opengl.h"
GLfloat rquadx,rquady;
char presse;
float posx, posy, posz;
int anglex,angley,x,y,xold,yold;
void InitGL(void)
{
rquadx = 0;
rquady = 0;
posx = 0;
posy = -3;
posz = 0;
glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // This Will Clear The Background Color To Black
glClearDepth(1.0); // Enables Clearing Of The Depth Buffer
glDepthFunc(GL_LESS); // The Type Of Depth Test To Do
glEnable(GL_DEPTH_TEST); // Enables Depth Testing
glShadeModel(GL_SMOOTH); // Enables Smooth Color Shading
glMatrixMode(GL_PROJECTION);
glLoadIdentity(); // Reset The Projection Matrix
gluPerspective(70.0f,(GLfloat)kWindowWidth/(GLfloat)kWindowHeight,0.1f,100.0f); // Calculate The Aspect Ratio Of The Window
glMatrixMode(GL_MODELVIEW);
}
void ReSizeGLScene(int Width, int Height)
{
}
void idle(void)
}
void clavier(int key, int x, int y)
{
switch(key)
{
case GLUT_KEY_UP:
posz++;
break;
case GLUT_KEY_DOWN:
posz--;
break;
case GLUT_KEY_RIGHT:
posx++;
break;
case GLUT_KEY_LEFT:
posx--;
break;
}
glutPostRedisplay();
}
void DrawGLScene(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer
glLoadIdentity();
//glRotated(rquadx,1.0,0.0,0.0);
glRotatef(rquady,0.0,1.0,0.0);
glTranslatef(posx,-3,posz);
glPushMatrix();
glBegin(GL_LINES);
//X
glColor3ub(254, 0, 0);
glVertex3f(0.0, 0.0, -2.0);
glVertex3f(1.0, 0.0, -2.0);
//Y
glColor3ub(0, 254, 0);
glVertex3f(0.0, 0.0, -2.0);
glVertex3f(0.0, 1.0, -2.0);
//Z
glColor3ub(0, 0, 254);
glVertex3f(0.0, 0.0, -2.0);
glVertex3f(0.0, 0.0, -3.0);
glEnd();
glPopMatrix();
glPushMatrix();
for(float i = -500; i <= 500; i += 5)
{
glBegin(GL_LINES);
glColor3ub(150, 190, 150);
glVertex3f(-500.0, 0.0, i);
glVertex3f(500.0, 0.0, i);
glVertex3f(i, 0.0,-500.0);
glVertex3f(i, 0.0, 500.0);
glEnd();
}
glPopMatrix();
glutSwapBuffers();
glFlush();
}
void mouse(int button, int state,int x,int y)
{
if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
{
presse = 1;
xold = x;
yold = y;
}
if (button == GLUT_LEFT_BUTTON && state == GLUT_UP)
presse=0;
}
void mousemotion(int x,int y)
{
if (presse)
{
rquady+=x-xold;
if (rquady>=360)
rquady-=360;
rquadx+=y-yold;
if (rquadx>=360)
rquadx-=360;
glutPostRedisplay();
}
xold = x;
yold = y;
} |
