void CLight::Render ()
{
int angle;
GLvector pos;
GLvector camera;
GLvector camera_position;
GLvector2 offset;
if (!Visible (_cell_x, _cell_z))
return;
camera = CameraAngle ();
camera_position = CameraPosition ();
if (fabs (camera_position.x - _position.x) > RenderFogDistance ())
return;
if (fabs (camera_position.z - _position.z) > RenderFogDistance ())
return;
if (_blink && (GetTickCount () % _blink_interval) > 200)
return;
angle = (int)MathAngle (camera.y);
offset = angles[_size][angle];
pos = _position;
glColor4fv (&_color.red);
glTexCoord2f (0, 0);
glVertex3f (pos.x + offset.x, pos.y - _vert_size, pos.z + offset.y);
glTexCoord2f (0, 1);
glVertex3f (pos.x - offset.x, pos.y - _vert_size, pos.z - offset.y);
glTexCoord2f (1, 1);
glVertex3f (pos.x - offset.x, pos.y + _vert_size, pos.z - offset.y);
glTexCoord2f (1, 0);
glVertex3f (pos.x + offset.x, pos.y + _vert_size, pos.z + offset.y);
}
void CCar::Render ()
{
GLvector pos;
int angle;
int turn;
if (!m_ready)
return;
if (!Visible (m_drive_position))
return;
if (m_front)
glColor3f (1, 1, 0.8f);
else
glColor3f (1, 0.2f, 0);
glBegin (GL_QUADS);
angle = dangles[m_direction];
pos = m_drive_position;//
angle = 360 - (int)MathAngle (m_position.x, m_position.z, pos.x, pos.z);
angle %= 360;
turn = (int)MathAngleDifference ((float)m_drive_angle, (float)angle);
m_drive_angle += SIGN (turn);
pos += glVector (0.5f, 0.0f, 0.5f);
glTexCoord2f (0, 0);
glVertex3f (pos.x + angles[angle].x, -CAR_SIZE, pos.z + angles[angle].y);
glTexCoord2f (1, 0);
glVertex3f (pos.x - angles[angle].x, -CAR_SIZE, pos.z - angles[angle].y);
glTexCoord2f (1, 1);
glVertex3f (pos.x - angles[angle].x, CAR_SIZE, pos.z - angles[angle].y);
glTexCoord2f (0, 1);
glVertex3f (pos.x + angles[angle].x, CAR_SIZE, pos.z + angles[angle].y);
/*
glVertex3f (m_position.x, m_position.y, m_position.z);
glVertex3f (m_position.x, m_position.y, m_position.z + 1);
glVertex3f (m_position.x + 1, m_position.y, m_position.z + 1);
glVertex3f (m_position.x + 1, m_position.y, m_position.z);
*/
/*
glTexCoord2f (0, 0);
glVertex3f (m_position.x, m_position.y, m_position.z + 0.2f);
glTexCoord2f (0, 2);
glVertex3f (m_position.x, m_position.y, m_position.z + 1 - 0.2f);
glTexCoord2f (1, 2);
glVertex3f (m_position.x + 1, m_position.y, m_position.z + 1 - 0.2f);
glTexCoord2f (1, 0);
glVertex3f (m_position.x + 1, m_position.y, m_position.z + 0.2f);
*/
glEnd ();
}
static void do_auto_cam ()
{
float dist;
unsigned t;
unsigned elapsed;
unsigned now;
int behavior;
GLvector target;
now = GetTickCount ();
elapsed = now - last_update;
elapsed = MIN (elapsed, 50); //limit to 1/20th second worth of time
if (elapsed == 0)
return;
last_update = now;
t = time (NULL) % CAMERA_CYCLE_LENGTH;
#if SCREENSAVER
behavior = t / CAMERA_CHANGE_INTERVAL;
#else
behavior = camera_behavior;
#endif
tracker += (float)elapsed / 300.0f;
//behavior = CAMERA_FLYCAM1;
switch (behavior) {
case CAMERA_ORBIT_INWARD:
auto_position.x = WORLD_HALF + sinf (tracker * DEGREES_TO_RADIANS) * 150.0f;
auto_position.y = 60.0f;
auto_position.z = WORLD_HALF + cosf (tracker * DEGREES_TO_RADIANS) * 150.0f;
target = glVector (WORLD_HALF, 40.0f, WORLD_HALF);
break;
case CAMERA_ORBIT_OUTWARD:
auto_position.x = WORLD_HALF + sinf (tracker * DEGREES_TO_RADIANS) * 250.0f;
auto_position.y = 60.0f;
auto_position.z = WORLD_HALF + cosf (tracker * DEGREES_TO_RADIANS) * 250.0f;
target = glVector (WORLD_HALF, 30.0f, WORLD_HALF);
break;
case CAMERA_ORBIT_ELLIPTICAL:
dist = 150.0f + sinf (tracker * DEGREES_TO_RADIANS / 1.1f) * 50;
auto_position.x = WORLD_HALF + sinf (tracker * DEGREES_TO_RADIANS) * dist;
auto_position.y = 60.0f;
auto_position.z = WORLD_HALF + cosf (tracker * DEGREES_TO_RADIANS) * dist;
target = glVector (WORLD_HALF, 50.0f, WORLD_HALF);
break;
case CAMERA_FLYCAM1:
case CAMERA_FLYCAM2:
case CAMERA_FLYCAM3:
auto_position = (flycam_position (now) + flycam_position (now + 4000)) / 2.0f;
target = flycam_position (now + FLYCAM_CIRCUT_HALF - ONE_SECOND * 3);
break;
case CAMERA_SPEED:
auto_position = (flycam_position (now) + flycam_position (now + 500)) / 2.0f;
target = flycam_position (now + ONE_SECOND * 5);
auto_position.y /= 2;
target.y /= 2;
break;
case CAMERA_SPIN:
default:
target.x = WORLD_HALF + sinf (tracker * DEGREES_TO_RADIANS) * 300.0f;
target.y = 30.0f;
target.z = WORLD_HALF + cosf (tracker * DEGREES_TO_RADIANS) * 300.0f;
auto_position.x = WORLD_HALF + sinf (tracker * DEGREES_TO_RADIANS) * 50.0f;
auto_position.y = 60.0f;
auto_position.z = WORLD_HALF + cosf (tracker * DEGREES_TO_RADIANS) * 50.0f;
}
dist = MathDistance (auto_position.x, auto_position.z, target.x, target.z);
auto_angle.y = MathAngle (-MathAngle (auto_position.x, auto_position.z, target.x, target.z));
auto_angle.x = 90.0f + MathAngle (0, auto_position.y, dist, target.y);
}
