void uav2D_init(void) {
// initialize uav2d
uav2D.state = 1; // turn it on
uav2D.num_verts = 38;
uav2D.x0 = eeprom_buffer.params.Atti_mp_posX; // position it
uav2D.y0 = eeprom_buffer.params.Atti_mp_posY;
int index = 0, i = 0;
const int lX = 5;
const int stepY = 11;
const int hX = 22;
for (index = 0; index < uav2D.num_verts / 2 - 1; )
{
VECTOR2D_INITXYZ(&(uav2D.vlist_local[index]), -lX, stepY * (i + 1));
VECTOR2D_INITXYZ(&(uav2D.vlist_local[index + 1]), lX, stepY * (i + 1));
index += 2;
i++;
}
VECTOR2D_INITXYZ(&(uav2D.vlist_local[index]), -hX, 0);
VECTOR2D_INITXYZ(&(uav2D.vlist_local[index + 1]), hX, 0);
index += 2;
i = 0;
for (; index < uav2D.num_verts; )
{
VECTOR2D_INITXYZ(&(uav2D.vlist_local[index]), -lX, -stepY * (i + 1));
VECTOR2D_INITXYZ(&(uav2D.vlist_local[index + 1]), lX, -stepY * (i + 1));
index += 2;
i++;
}
// do a quick scale on the vertices
Scale_Polygon2D(&uav2D, atti_mp_scale, atti_mp_scale);
// initialize roll scale
rollscale2D.state = 1; // turn it on
rollscale2D.num_verts = 13;
rollscale2D.x0 = eeprom_buffer.params.Atti_mp_posX; // position it
rollscale2D.y0 = eeprom_buffer.params.Atti_mp_posY;
int x, y, theta;
int mp = (rollscale2D.num_verts - 1) / 2;
i = mp;
int radio = 38;
int arcStep = (mp * 10) / 6;
for (index = 0; index < mp; index++)
{
theta = i * arcStep;
x = radio * Fast_Sin(theta);
y = radio * Fast_Cos(theta);
VECTOR2D_INITXYZ(&(rollscale2D.vlist_local[index]), -x, -y);
VECTOR2D_INITXYZ(&(rollscale2D.vlist_local[rollscale2D.num_verts - 1 - index]), x, -y);
i--;
}
VECTOR2D_INITXYZ(&(rollscale2D.vlist_local[index]), 0, -radio);
Scale_Polygon2D(&rollscale2D, atti_mp_scale, atti_mp_scale);
}
int Game_Main(void *parms = NULL, int num_parms = 0)
{
// this is the main loop of the game, do all your processing
// here
// make sure this isn't executed again
if (window_closed)
return(0);
// for now test if user is hitting ESC and send WM_CLOSE
if (KEYDOWN(VK_ESCAPE))
{
PostMessage(main_window_handle,WM_CLOSE,0,0);
window_closed = 1;
} // end if
// clear out the back buffer
DDraw_Fill_Surface(lpddsback, 0);
// lock primary buffer
DDRAW_INIT_STRUCT(ddsd);
if (FAILED(lpddsback->Lock(NULL,&ddsd,
DDLOCK_WAIT | DDLOCK_SURFACEMEMORYPTR,
NULL)))
return(0);
// do the graphics
Draw_Polygon2D(&asteroid, (UCHAR *)ddsd.lpSurface, ddsd.lPitch);
// test for scale
if (KEYDOWN('A')) // scale up
Scale_Polygon2D(&asteroid, 1.1, 1.1);
else
if (KEYDOWN('S')) // scale down
Scale_Polygon2D(&asteroid, 0.9, 0.9);
// rotate the polygon by 5 degrees
Rotate_Polygon2D(&asteroid, 5);
// unlock primary buffer
if (FAILED(lpddsback->Unlock(NULL)))
return(0);
// perform the flip
while (FAILED(lpddsprimary->Flip(NULL, DDFLIP_WAIT)));
// wait a sec
Sleep(33);
// return success or failure or your own return code here
return(1);
} // end Game_Main
void simple_attitude_init(void) {
simple_attitude.state = 1;
simple_attitude.num_verts = 16;
simple_attitude.x0 = eeprom_buffer.params.Atti_mp_posX;
simple_attitude.y0 = eeprom_buffer.params.Atti_mp_posY;
const int line_length = 10;
const int line_spacing = 10;
int x = 0;
int i = 0;
for (int index = 0; index < simple_attitude.num_verts; index += 4) {
x = 12 + i * line_length + i * line_spacing + line_spacing;
VECTOR2D_INITXYZ(&(simple_attitude.vlist_local[index]), -x, 0);
VECTOR2D_INITXYZ(&(simple_attitude.vlist_local[index + 1]), -x - line_length, 0);
VECTOR2D_INITXYZ(&(simple_attitude.vlist_local[index + 2]), x, 0);
VECTOR2D_INITXYZ(&(simple_attitude.vlist_local[index + 3]), x + line_length, 0);
i++;
}
Scale_Polygon2D(&simple_attitude, atti_mp_scale, atti_mp_scale);
}
