/*------------------
move the camera
C.Wang 0329, 2004
-------------------*/
void MoveCam(int x, int y)
{
if (x != oldXM) {
FnObject model;
model.ID(cID);
model.Translate((float)(x - oldXM)*0.1f, 0.0f, 0.0f, LOCAL);
oldXM = x;
}
if (y != oldYM) {
FnObject model;
model.ID(cID);
model.Translate(0.0f, (float)(oldYM - y)*0.1f, 0.0f, LOCAL);
oldYM = y;
}
}
/*------------------
zoom the camera
C.Wang 0329, 2004
-------------------*/
void ZoomCam(int x, int y)
{
if (x != oldXMM || y != oldYMM) {
FnObject model;
model.ID(cID);
model.Translate(0.0f, 0.0f, (float)(x - oldXMM), LOCAL);
oldXMM = x;
oldYMM = y;
}
}
/*------------------
move the camera
C.Wang 0329, 2005
-------------------*/
void MoveCam ( int x, int y )
{
float dx = float(x - oldXM);
float dy = float(y - oldYM);
float dd = sqrt(dx*dx + dy*dy);
if (sgn(dd) == 0)return;
dx /= dd;
dy /= dd;
FnObject model;
if ( x != oldXM ) {
model.ID ( cID );
model.Translate(0.1f*dx, 0.0f, 0.0f, LOCAL);
oldXM = x;
}
if ( y != oldYM ) {
model.ID ( cID );
model.Translate(0.0f, 0.1f*dy, 0.0f, LOCAL);
oldYM = y;
}
}
/*------------------
the main program
C.Wang 0308, 2004
-------------------*/
void FyMain(int argc, char **argv)
{
// create a new world
FyStartFlyWin32("Hello TheFly3D !", 0, 0, 800, 600, beFullScreen);
FySetModelPath("Data\\Models");
FySetTexturePath("Data\\textures");
FySetShaderPath("Data\\Shaders");
FyBeginMedia("data\\media", 2);
//mmID = FyCreateMediaPlayer("dawn.mpg", 0, 0, 800, 600);
//mmID = FyCreateMediaPlayer("opening.avi", 0, 0, 800, 600);
mmID = FyCreateMediaPlayer("MUSIC_fogforest.mp3", 0, 0, 800, 600);
FnMedia mP;
mP.Object(mmID);
mP.Play(ONCE);
//mP.SetVolume(0.1f);
// create a viewport
vID = FyCreateViewport(0, 0, 800, 600);
FnViewport vp;
vp.Object(vID);
vp.SetBackgroundColor(0.3f, 0.4f, 0.5f);
// create a 3D scene & the 3D entities
sID = FyCreateScene(1);
FnScene scene;
scene.Object(sID);
nID = scene.CreateObject(OBJECT);
cID = scene.CreateObject(CAMERA);
lID = scene.CreateObject(LIGHT);
// load the teapot
FnObject model;
model.ID(nID);
model.Load("teapot.cw3");
model.Translate(20.0f, 0.0f, 0.0f, GLOBAL);
// translate the camera
FnCamera camera;
camera.ID(cID);
camera.Rotate(X_AXIS, 90.0f, LOCAL);
camera.SetAspectRatio(800.0f/600.0f);
camera.Translate(0.0f, 10.0f, 200.0f, LOCAL);
// translate the light
FnLight light;
light.ID(lID);
light.Translate(-30.0f, -30.0f, 0.0f, GLOBAL);
light.SetName("MainLight");
light.SetColor(0.9f, 0.9f, 0.7f);
// set Hotkeys
FyDefineHotKey(FY_ESCAPE, QuitGame, FALSE);
// define some mouse functions
FyBindMouseFunction(LEFT_MOUSE, InitPivot, PivotCam, NULL, NULL);
FyBindMouseFunction(MIDDLE_MOUSE, InitZoom, ZoomCam, NULL, NULL);
FyBindMouseFunction(RIGHT_MOUSE, InitMove, MoveCam, NULL, NULL);
/* bind a timer, frame rate = 30 fps */
FyBindTimer(0, 30.0f, GameAI, TRUE);
// invoke the system
FyInvokeFly(TRUE);
}