void vegetation::drawBranche(int p,float taille){ // Fonction récursive pour tracer les branches en fonction de celle d'avant
float x,y;
if (p==1){
for(int i=0;i<3;i++){
if (i==0){
x=1,y=0;
}else if(i==1){
x=-0.5,y=r3s2;
}else {
x=-0.5,y=-r3s2;
}
glPushMatrix();
glColor3f(0.27,0.55,0);
glTranslatef(0,0,taille*5);
glRotatef(-40, x,y,0.0);
drawCylindre(taille*1.7,taille*7);
glPopMatrix();
}
return;
}
for(int i=0;i<3;i++){
if (i==0){
x=1,y=0;
}else if(i==1){
x=-0.5,y=r3s2;
}else {
x=-0.5,y=-r3s2;
}
glPushMatrix();
glColor3f(0.36+(7-p)*0.05, 0.24+(7-p)*0.05, 0.07+(7-p)*0.05);
glTranslatef(0,0,taille*5*p);
glRotatef(-40, x,y,0.0);
drawCylindre(taille*p/4,taille*p*5);
drawBranche( p-1,taille);
glPopMatrix();
}
}
void vegetation::drawArbre(float x,float y,float taille){
glPushMatrix();
glTranslatef(x,y,0);
glColor3f(0.36, 0.24, 0.07);
glPushMatrix();
drawCylindre(taille/2,taille*5);
glPopMatrix();
drawBranche(4, taille/4);
glPopMatrix();
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1.0, 1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
cam_position[0] = cam_radius * sin(cam_phi) * sin(cam_theta);
cam_position[1] = cam_radius * cos(cam_phi);
cam_position[2] = cam_radius * sin(cam_phi) * cos(cam_theta);
gluLookAt(cam_position[0],cam_position[1],cam_position[2],
cam_target[0], cam_target[1], cam_target[2],
cam_up[0], cam_up[1], cam_up[2]);
showReferenceAxis();
glColor3f(1.0, 1.0, 1.0);
glPushMatrix();
glTranslatef(0.0,0, -2.0);
//glRotatef(90,1,0,0);
for(int i =0; i<10;i++)
{
glTranslatef(0.1*i , 0 , 0);
drawCylindre(2.0,1.0,3);
}
glPopMatrix();
//Sleep(5);
glutSwapBuffers();
}
