#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
#include <glut.h>
#define Vrt glVertex3s
int proj = 1, new_mouse = 0, mouse_rot = 1, mouse_trn = 0;
float turn = 50.0, tipp = 30.0, twst = 0.0, x_click = 0, y_click = 0, xtm = 0.0, ytm = 0.0,
scl = 1.0, xcr = 0.0;
GLfloat lit1_spc[] = {0.20, 0.20, 0.15, 1.00},
lit1_dfs[] = {0.70, 0.70, 0.65, 1.00},
lit1_amb[] = {0.25, 0.25, 0.20, 1.00},
lit1_pos[] = {0.20, 2.50, 5.20, 1.00};
GLfloat lit2_spc[] = { 0.00, 0.00, 0.00, 1.00},
lit2_dfs[] = { 0.30, 0.30, 0.35, 1.00},
lit2_amb[] = { 0.20, 0.20, 0.25, 1.00},
lit2_pos[] = { 1.50, -2.00, -4.00, 0.01};
//----------------------------------------- Keybord --------------------------------------------
void Keybord (unsigned char ch, int x, int y)
{
printf (" Keyboard -> '%c' pressed.", ch);
switch (ch) {
case 'p' : proj = !proj; break;
case 'r' : mouse_trn = 0;
mouse_rot = 1; break;
case 't' : mouse_trn = 1;
mouse_rot = 0; break;
case 'z' : turn = 0.0; tipp = 0.0;
xtm = 0.0; ytm = 0.0;
scl = 1.0; break;
case '-' : scl *= 0.92; break;
case '+' : scl *= 1.06; break;
case 'd' : xcr += 2.00; break;
case 'D' : xcr -= 2.00; break;
case 27 : exit (0); break;
}
glutPostRedisplay();
}
//--+----4----+----3----+----2----+----1----+----|----+----1----+----2----+----3----+----4----+----5
//------------------------------------------ Mouse ---------------------------------------------
void Mouse (int button, int state, int x, int y)
{
x_click = x;
y_click = y;
new_mouse = 1;
}
//--+----4----+----3----+----2----+----1----+----|----+----1----+----2----+----3----+----4----+----5
//------------------------------------------ Motion --------------------------------------------
void Motion (int x, int y)
{
float turn_del, tipp_del, x_del, y_del;
static int c = 0, x_sav, y_sav;
static float turn_save = 0.0, tipp_save = 0.0;
// printf (" Motion: %5d -> x = %5d, y = %5d.", ++c, x, y);
if (new_mouse) {
new_mouse = 0;
x_sav = x_click;
y_sav = y_click;
}
if (mouse_rot) {
turn_del = x - x_sav;
turn += turn_del;
tipp_del = y - y_sav;
tipp += tipp_del;
} else if (mouse_trn) {
x_del = float(x - x_sav) * 0.01;
xtm += x_del;
y_del = float(y - y_sav) * 0.01;
ytm -= y_del;
}
x_sav = x;
y_sav = y;
glutPostRedisplay();
}
//---9----8----7----6----5----4----3----2----1---++---1----2----3----4----5----6----7----8----9---\\
//--------------------------------------- Init_Lights ------------------------------------------
void Init_Lights (void)
{
glLightfv (GL_LIGHT1, GL_SPECULAR, lit1_spc);
glLightfv (GL_LIGHT1, GL_DIFFUSE , lit1_dfs);
glLightfv (GL_LIGHT1, GL_AMBIENT , lit1_amb);
glLightfv (GL_LIGHT1, GL_POSITION, lit1_pos);
glLightfv (GL_LIGHT2, GL_SPECULAR, lit2_spc);
glLightfv (GL_LIGHT2, GL_DIFFUSE , lit2_dfs);
glLightfv (GL_LIGHT2, GL_AMBIENT , lit2_amb);
glLightfv (GL_LIGHT2, GL_POSITION, lit2_pos);
glEnable (GL_LIGHT1);
glEnable (GL_LIGHT2);
glEnable (GL_AUTO_NORMAL);
glEnable (GL_NORMALIZE );
}
//---------------------------------------- Draw_Road -------------------------------------------
void Draw_Road (void)
{
glColor3f (0.30,0.25,0.30);
glEnable (GL_LIGHTING);
glPushMatrix();
glTranslatef (0.0, -25.0, 0.0);
glScalef (10.0, 0.3,3.0);
glutSolidCube (-20.0f);
glPopMatrix();
}
//--------------------------------------- Render_Wheel -----------------------------------------
void Render_Wheel (int xt, int yt, int zt)
{
glPushMatrix();
glTranslatef (xt, yt, zt);
glutSolidTorus (2,5,12,36);
glPopMatrix();
}
//----------------------------------------- Draw_Car -------------------------------------------
void Draw_Car (void)
{
glDisable (GL_LIGHTING);
glBegin (GL_QUADS);
glColor3f (0.3, 0.6, 0.6);
Vrt(-40, 0, 15); Vrt( 40, 0, 15); Vrt( 40,-15, 15); Vrt(-40,-15, 15); // left
Vrt(-40, 0,-15); Vrt( 40, 0,-15); Vrt( 40,-15,-15); Vrt(-40,-15,-15); // right
glColor3f (0.4, 0.6, 0.6);
Vrt( 40, 0,-15); Vrt( 40, 0, 15); Vrt( 40,-15, 15); Vrt( 40,-15,-15); // back
Vrt(-40, 0,-15); Vrt(-40, 0, 15); Vrt(-40,-15, 15); Vrt(-40,-15,-15); // front
glColor3f (0.4, 0.6, 0.8);
Vrt(-40, 0, 15); Vrt(-40, 0,-15); Vrt( 40, 0,-15); Vrt( 40, 0, 15); // trunks
Vrt(-10, 10, 15); Vrt(-10, 10,-15); Vrt( 20, 10,-15); Vrt( 20, 10, 15); // roof
glColor3f (0.7, 0.7, 0.5);
Vrt(-20, 0, 15); Vrt(-10, 10, 15); Vrt( 20, 10, 15); Vrt( 25, 0, 15); // window l
Vrt(-20, 0,-15); Vrt(-10, 10,-15); Vrt( 20, 10,-15); Vrt( 25, 0,-15); // window r
glColor3f (0.7, 0.6, 0.5);
Vrt(-10, 10, 15); Vrt(-20, 0, 15); Vrt(-20, 0,-15); Vrt(-10, 10,-15); // windshield
Vrt( 20, 10, 15); Vrt( 20, 10,-15); Vrt( 25, 0,-15); Vrt( 25, 0, 15); // rear window
glColor3f (0.4, 0.5, 0.5);
Vrt(-40,-15, 15); Vrt(-40,-15,-15); Vrt( 40,-15,-15); Vrt( 40,-15, 15); // bottom
glEnd ();
// Render wheels using torus's with lighting on.
glEnable (GL_LIGHTING);
glColor3f (0.3, 0.3, 0.3);
Render_Wheel (-20,-15, 15);
Render_Wheel ( 20,-15, 15);
Render_Wheel (-20,-15,-15);
Render_Wheel ( 20,-15,-15);
}
//------------------------------------------ Poster's Display ----------------------------------
void Display (void)
{
static float x = 2.0;
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
if (proj == 0) glOrtho (-x, x, -x, x, 0.0, 10.0);
else gluPerspective ( 60.0, 1.0, 1.0, 10.0);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glTranslatef (xtm, ytm, -4.0); // Place objects between near and far clipping planes.
glRotatef (tipp, 1, 0, 0); // Rotate around screen horizontal axis.
glRotatef (turn, 0, 1, 0); // Rotate around world vertical axis.
glLightfv (GL_LIGHT1, GL_POSITION, lit1_pos);
glLightfv (GL_LIGHT2, GL_POSITION, lit2_pos);
glScalef (scl, scl, scl ); // Scale world relative to its origin.
glScalef (0.02, 0.02, 0.02);
Draw_Road ();
glTranslatef (-xcr, 0.0, 0.0);
Draw_Car ();
glutSwapBuffers();
}
//----------------------------------------- Init_GL --------------------------------------------
void Init_GL (void)
{
Init_Lights ();
glEnable (GL_DEPTH_TEST);
glEnable (GL_LIGHTING );
glEnable (GL_COLOR_MATERIAL);
glColorMaterial (GL_AMBIENT_AND_DIFFUSE, GL_FRONT);
glColorMaterial (GL_SPECULAR , GL_FRONT);
glClearColor (0.2, 0.3, 0.3, 1.0);
}
//---------------------------------------- Init_Glut -------------------------------------------
int Init_Glut (void)
{
glutInitDisplayMode (GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowPosition (800, 200);
glutInitWindowSize (800, 800);
glutCreateWindow ("Carmine's Car On Road");
glutKeyboardFunc (Keybord);
glutDisplayFunc (Display);
glutMouseFunc (Mouse );
glutMotionFunc (Motion );
}
//------------------------------------------ main ----------------------------------------------
int main (int argc, char **argv)
{
glutInit (&argc, argv);
Init_Glut ();
Init_GL ();
glutMainLoop ();
return (1);
}
// -------------------------------------------------------------------------------------------------
Tampilan 3D
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