void onDisplay( ) {
glClearColor(0.6f, 0.6f, 1.0f, 1.0f); // torlesi szin beallitasa
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // kepernyo torles
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0, (float)screenWidth / (float)screenHeight, 1.0, 200.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(heliPos.x,heliPos.y+8,heliPos.z+16, heliPos.x,heliPos.y,heliPos.z, 0,1,-0.5);
float ambientColor[] = {0.5f, 0.5f, 0.5f, 1.0f};
float lightColor0[] = {1.0f, 1.0f, 1.0f, 1.0f};
float lightPos0[] = {0.0f, 20.0f, 20.0f, 0.0f};
glLightfv(GL_LIGHT0, GL_AMBIENT, ambientColor);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor0);
glLightfv(GL_LIGHT0, GL_SPECULAR, lightColor0);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos0);
drawLand();
glPushMatrix();
glTranslatef(0.0f,-10.0f,-40.0f);
drawBuilding(2.0f);
glPopMatrix();
glPushMatrix();
glTranslatef(10.0f,-10.0f,-40.0f);
drawBuilding(2.0f);
glPopMatrix();
glPushMatrix();
glTranslatef(-5.0f,-10.0f,-60.0f);
drawBuilding(2.0f);
glPopMatrix();
glPushMatrix();
glTranslatef(10.0f,-10.0f,-60.0f);
drawBuilding(2.0f);
glPopMatrix();
glPushMatrix();
glTranslatef(10.0f,-10.0f,-25.0f);
drawBuilding(2.0f);
glPopMatrix();
glPushMatrix();
glTranslatef(-10.0f,-10.0f,-25.0f);
drawBuilding(2.0f);
glPopMatrix();
drawQuaternion();
drawHelicopter();
glutSwapBuffers(); // Buffercsere: rajzolas vege
}
void graphics_display(building_st* buildArr, int selX, int selY, inventory_st* inv)
{
werase(win);
for (int i = 0; i < GRID_SIZE_X; i++){
for (int j = 0; j < GRID_SIZE_Y; j++){
int index = (i*GRID_SIZE_Y)+j;
if(buildArr[index].exist)
drawBuilding(&(buildArr[index]));
}
}
mvwprintw(win, 1+selY*(GRID_SCALE_Y), 1+(selX*GRID_SCALE_X), "*");
wrefresh(win);
//TODO: if updated inv included in entity list update tempInv
tempInv = inv;
displayInventory();
}
void redraw()
{
glClear(GL_COLOR_BUFFER_BIT);
glLineWidth(3.0);
glColor3f(0.7, 0.7, 0.7);
for( int i=0; i<numBuildings; i++ )
drawBuilding( &(buildings[i]) );
glColor3f(0.7, 0.7, 0.7);
glBegin(GL_LINE_STRIP);
glVertex2i( 50, GROUND );
glVertex2i( 950, GROUND );
glEnd();
drawSkyline( &skyline );
glFlush();
}
void display(){
//clear the display
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glClearColor(BLACK, 0); //color black
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/********************
/ set-up camera here
********************/
//load the correct matrix -- MODEL-VIEW matrix
glMatrixMode(GL_MODELVIEW);
//initialize the matrix
glLoadIdentity();
//now give three info
//1. where is the camera (viewer)?
//2. where is the camera is looking?
//3. Which direction is the camera's UP direction?
//instead of CONSTANT information, we will define a circular path.
gluLookAt(200*cos(cameraAngle), 200*sin(cameraAngle), 150, 0,0,0, 0,0,1);
//NOTE: the camera still CONSTANTLY looks at the center
// cameraAngle is in RADIAN, since you are using inside COS and SIN
//again select MODEL-VIEW
glMatrixMode(GL_MODELVIEW);
/****************************
/ Add your objects from here
****************************/
//border
glColor3f(1,1,1);
glBegin(GL_LINES);{
glVertex3f(-100, -100, 0);
glVertex3f(-100, 100, 0);
glVertex3f(-100, 100, 0);
glVertex3f(100, 100, 0);
glVertex3f(100, 100, 0);
glVertex3f(100, -100, 0);
glVertex3f(100, -100, 0);
glVertex3f(-100, -100, 0);
}glEnd();
//roads
glColor3f(1,1,1);
glBegin(GL_QUADS);{
glVertex3f(-100,-20,0);
glVertex3f(-100,20,0);
glVertex3f(100,20,0);
glVertex3f(100,-20,0);
}glEnd();
glColor3f(1,1,1);
glBegin(GL_QUADS);{
glVertex3f(-20,100,0);
glVertex3f(20,100,0);
glVertex3f(20,-100,0);
glVertex3f(-20,-100,0);
}glEnd();
//moving car
pos1 += .1;
if(pos1>180) pos1 = 0;
car1(pos1);
pos2 += .05;
if(pos2>180) pos2 = 0;
car2(pos2);
pos3 += .075;
if(pos3>180) pos3 = 0;
car3(pos3);
//top left buildings 1st row
drawBuilding(-90, -90, -90, -70, 50);
drawBuilding(-90, -60, -90, -40, 30);
//top left buildings 2nd row
drawBuilding(-60, -90, -60, -70, 60);
drawBuilding(-55, -60, -55, -40, 40);
//top right buildings 1st row
drawBuilding(-90, 90, -90, 70, 70);
drawBuilding(-90, 60, -90, 40, 50);
//top right buildings 2nd row
drawBuilding(-60, 90, -60, 75, 80);
drawBuilding(-60, 70, -60, 35, 45);
//middle left buildings
drawBuilding(40, -90, 40, -70, 40);
drawBuilding(40, -60, 40, -40, 50);
//middle right buildings
drawBuilding(30, 90, 30, 70, 30);
drawBuilding(30, 60, 30, 40, 50);
//bottom left buildings
drawBuilding(70, -90, 70, -70, 30);
drawBuilding(75, -60, 75, -40, 30);
//bottom right buildings
drawBuilding(70, 90, 70, 70, 90);
drawBuilding(70, 65, 70, 40, 30);
//ADD this line in the end --- if you use double buffer (i.e. GL_DOUBLE)
glutSwapBuffers();
}