void CameraControl(CHARACTERid targetid)
{
FnCamera camera;
camera.ID(cID);
FnCharacter actor;
actor.ID(targetid);
float targetPos[3];
actor.GetPosition(targetPos);
float negativeDistance[3];
negativeDistance[0] = -distance;
negativeDistance[1] = 0;
negativeDistance[2] = 0;
float* rotation = EulerToQuarternion(0, degToRad(rot_y), degToRad(rot_x));
float* forwardDir = QuaternionMultiVector(rotation, negativeDistance);
float camPos[3], GlobalRight[3];
GlobalRight[0] = 0;
GlobalRight[1] = 1;
GlobalRight[2] = 0;
camPos[0] = targetPos[0] - forwardDir[0];
camPos[1] = targetPos[1] - forwardDir[1];
camPos[2] = targetPos[2] - forwardDir[2];
float* upDir = VectorCross(GlobalRight, forwardDir);
//camera.Quaternion(rotation[0], rotation[1], rotation[2], rotation[3], GLOBAL);
camera.SetPosition(camPos);
camera.SetDirection(forwardDir, upDir);
}
/*------------------
the main program
C.Wang 1010, 2014
-------------------*/
void FyMain(int argc, char **argv)
{
// create a new world
BOOL4 beOK = FyStartFlyWin32("NTU@2015 Homework #02 - Use Fly2", 0, 0, 1024, 768, FALSE);
// setup the data searching paths
FySetShaderPath("Data\\NTU6\\Shaders");
FySetModelPath("Data\\NTU6\\Scenes");
FySetTexturePath("Data\\NTU6\\Scenes\\Textures");
FySetScenePath("Data\\NTU6\\Scenes");
//Tang: FX
FySetGameFXPath("Data\\NTU6\\FX");
//Tang
// create a viewport
vID = FyCreateViewport(0, 0, 1024, 768);
FnViewport vp;
vp.ID(vID);
// create a 3D scene
sID = FyCreateScene(10);
FnScene scene;
scene.ID(sID);
// load the scene
scene.Load("gameScene02");
scene.SetAmbientLights(1.0f, 1.0f, 1.0f, 0.6f, 0.6f, 0.6f);
// load the terrain
tID = scene.CreateObject(OBJECT);
FnObject terrain;
terrain.ID(tID);
BOOL beOK1 = terrain.Load("terrain");
terrain.Show(FALSE);
// set terrain environment
terrainRoomID = scene.CreateRoom(SIMPLE_ROOM, 10);
FnRoom room;
room.ID(terrainRoomID);
room.AddObject(tID);
// load the character
FySetModelPath("Data\\NTU6\\Characters");
FySetTexturePath("Data\\NTU6\\Characters");
FySetCharacterPath("Data\\NTU6\\Characters");
actorID = scene.LoadCharacter("Lyubu2");
// put the character on terrain
float pos[3], fDir[3], uDir[3];
SetValues(pos, 3569.0f, -3208.0f, 1000.0f);
SetValues(fDir, 1.0f, 1.0f, 0.0f);
SetValues(uDir, 0.0f, 0.0f, 1.0f);
ActorGen(scene, terrainRoomID, LyubuID, "Lyubu2", "Idle", pos, fDir, uDir);
actorID = LyubuID.actorID;
FnCharacter actor;
actor.ID(actorID);
// Get two character actions pre-defined at Lyubu2
idleID = actor.GetBodyAction(NULL, "Idle");
runID = actor.GetBodyAction(NULL, "Run");
NormalAttack1ID = actor.GetBodyAction(NULL, "NormalAttack1");
NormalAttack2ID = actor.GetBodyAction(NULL, "NormalAttack2");
HeavyAttack1ID = actor.GetBodyAction(NULL, "HeavyAttack1");
// translate the camera
cID = scene.CreateObject(CAMERA);
FnCamera camera;
camera.ID(cID);
camera.SetNearPlane(5.0f);
camera.SetFarPlane(100000.0f);
//hw3 : Donzo and Robber02 initialization
float temp_pos[3];
float temp_fDir[3];
/*
for (int i = 0; i < NUM_OF_BADGUYS; i++)
{
temp_pos[0] = pos[0] + 30 * (rand()%8);
temp_pos[1] = pos[1] + 30 * (rand()%8);
temp_pos[2] = pos[2] + 30 * (rand()%8);
temp_fDir[0] = -1.0f; temp_fDir[1] = -1.0f; temp_fDir[2] = 1.0f;
ActorGen(scene, terrainRoomID, badguyID[i], "Robber02", "CombatIdle", temp_pos, temp_fDir, uDir);
}
*/
for (int i = 0; i < NUM_OF_BOSS; i++)
{
temp_pos[0] = pos[0] + 30 * (rand() % 8);
temp_pos[1] = pos[1] + 30 * (rand() % 8);
temp_pos[2] = pos[2] + 30 * (rand() % 8);
SetValues(temp_fDir, -1.0f, -1.0f, 1.0f);
ActorGen(scene, terrainRoomID, BossID[i], "Donzo2", "CombatIdle", temp_pos, temp_fDir, uDir);
}
// hw2 initial : set camera position
actor.GetPosition(pos);
pos[0] = pos[0] - SHORTDIST * fDir[0];
pos[1] = pos[1] - SHORTDIST * fDir[1];
pos[2] = pos[2] + HEIGHTOFFSET;
SetValues(fDir, 1.0f, 1.0f, 0.0f);
SetValues(uDir, 0.0f, 0.0f, 1.0f);
camera.SetPosition(pos);
camera.SetDirection(fDir, uDir); // the same as actor
float mainLightPos[3] = { -4579.0, -714.0, 15530.0 };
float mainLightFDir[3] = { 0.276, 0.0, -0.961 };
float mainLightUDir[3] = { 0.961, 0.026, 0.276 };
FnLight lgt;
lgt.ID(scene.CreateObject(LIGHT));
lgt.Translate(mainLightPos[0], mainLightPos[1], mainLightPos[2], REPLACE);
lgt.SetDirection(mainLightFDir, mainLightUDir);
lgt.SetLightType(PARALLEL_LIGHT);
lgt.SetColor(1.0f, 1.0f, 1.0f);
lgt.SetName("MainLight");
lgt.SetIntensity(0.4f);
// create a text object for displaying messages on screen
textID = FyCreateText("Trebuchet MS", 18, FALSE, FALSE);
// create a 2D scene for sprite rendering which will be rendered on the top of 3D
sID2 = FyCreateScene(1);
scene.ID(sID2);
scene.SetSpriteWorldSize(800, 600); // 2D scene size in pixels
spID0 = scene.CreateObject(SPRITE);
sp.ID(spID0);
//showPicture(sp, "talk_mission.jpg", 780, 200 , 10, 10); //showPicture parameter : FnSprite ,imageName, size, position
// set Hotkeys
FyDefineHotKey(FY_ESCAPE, QuitGame, FALSE); // escape for quiting the game
FyDefineHotKey(FY_UP, Movement, FALSE); // Up for moving forward
FyDefineHotKey(FY_RIGHT, Movement, FALSE); // Right for turning right
FyDefineHotKey(FY_LEFT, Movement, FALSE); // Left for turning left
FyDefineHotKey(FY_DOWN, Movement, FALSE);
FyDefineHotKey(FY_Q, Movement, FALSE);
FyDefineHotKey(FY_W, Movement, FALSE);
FyDefineHotKey(FY_E, Movement, FALSE);
FyDefineHotKey(FY_A, Movement, FALSE); // Turn left with camera rotation
FyDefineHotKey(FY_D, Movement, FALSE); // Turn right with camera rotation
FyDefineHotKey(FY_S, Movement, 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 timers, frame rate = 30 fps
FyBindTimer(0, 30.0f, GameAI, TRUE);
FyBindTimer(1, 30.0f, RenderIt, TRUE);
// invoke the system
FyInvokeFly(TRUE);
}
/*----------------------
perform the rendering
C.Wang 0720, 2006
-----------------------*/
void RenderIt(int skip)
{
FnViewport vp;
// render the whole scene
vp.ID(vID);
vp.Render3D(cID, TRUE, TRUE);
// render the sprites
vp.RenderSprites(sID2, FALSE, TRUE); // no clear the background but clear the z buffer
FySwapBuffers();
// get camera's data
FnCamera camera;
camera.ID(cID);
FnObject terrain;
terrain.ID(tID);
float pos[3], fDir[3], uDir[3];
//-----------------HW2 added-----------------------//
float actorPos[3], actorfDir[3], actoruDir[3];
FnCharacter actor;
actor.ID(actorID);
actor.GetPosition(actorPos);
actor.GetDirection(actorfDir, actoruDir);
camera.GetPosition(pos);
camera.GetDirection(fDir, uDir);
// Initialze probing ray direction
float dir[3], charDir[3];
dir[0] = -fDir[0] / CAMERAPROBE;
dir[1] = -fDir[1] / CAMERAPROBE;
dir[2] = -1;
charDir[0] = actorfDir[0] / ACTORPROBE;
charDir[1] = actorfDir[1] / ACTORPROBE;
charDir[2] = -1;
if ((FyCheckHotKeyStatus(FY_A) || FyCheckHotKeyStatus(FY_D)) && dirCount % SMOOTHINESS == 0)
{
int tempHeight = pos[2];
pos[2] = actorPos[2];
int theDistance = FyDistance(pos, actorPos);
pos[0] = actorPos[0] - theDistance * actorfDir[0];
pos[1] = actorPos[1] - theDistance * actorfDir[1];
pos[2] = tempHeight;
fDir[0] = actorfDir[0];
fDir[1] = actorfDir[1];
uDir[0] = fDir[0] / abs(fDir[0] * fDir[1]);
uDir[1] = fDir[1] / abs(fDir[0] * fDir[1]);
uDir[2] = -abs(uDir[0] * fDir[0] + uDir[1] * fDir[1]) / fDir[2];
}
if ((FyCheckHotKeyStatus(FY_UP) || FyCheckHotKeyStatus(FY_S)) && dirCount % SMOOTHINESS == 0)
{
if (pos[2] > actorPos[2] + HEIGHTOFFSET)
{
pos[2] = actorPos[2];
pos[2] = actorPos[2] + HEIGHTBOUND + HEIGHTOFFSET - FyDistance(pos, actorPos);
fDir[0] = actorPos[0] - pos[0];
fDir[1] = actorPos[1] - pos[1];
fDir[2] = -pos[2];
uDir[0] = fDir[0] / abs(fDir[0] * fDir[1]);
uDir[1] = fDir[1] / abs(fDir[0] * fDir[1]);
uDir[2] = -abs(uDir[0] * fDir[0] + uDir[1] * fDir[1]) / fDir[2];
}
else // Reset the up direction
{
pos[2] = actorPos[2] + HEIGHTOFFSET;
fDir[0] = actorfDir[0]; fDir[1] = actorfDir[1]; fDir[2] = 0;
uDir[0] = 0; uDir[1] = 0; uDir[2] = 1;
}
if (FyDistance(pos, actorPos) > LONGDIST)
{
pos[0] = actorPos[0] - LONGDIST * actorfDir[0];
pos[1] = actorPos[1] - LONGDIST * actorfDir[1];
pos[2] = actorPos[2] + HEIGHTOFFSET;
fDir[0] = actorfDir[0];
fDir[1] = actorfDir[1];
fDir[2] = -0.0f;
uDir[0] = actoruDir[0];
uDir[1] = actoruDir[1];
uDir[2] = actoruDir[2];
}
}
if (FyCheckHotKeyStatus(FY_RIGHT) && dirCount % SMOOTHINESS == 0)
{
actorPos[2] += HEIGHTOFFSET;
if (terrain.HitTest(actorPos, charDir) <= 0)
{
camera.MoveRight(-CAMERASPEED, FALSE, FALSE, 0, FALSE);
camera.GetPosition(pos);
}
fDir[0] = actorPos[0] - pos[0];
fDir[1] = actorPos[1] - pos[1];
fDir[2] = 0.0f;
}
if (FyCheckHotKeyStatus(FY_LEFT) && dirCount % SMOOTHINESS == 0)
{
actorPos[2] += HEIGHTOFFSET;
if (terrain.HitTest(actorPos, charDir) <= 0)
{
camera.MoveRight(CAMERASPEED, FALSE, FALSE, 0, FALSE);
camera.GetPosition(pos);
}
fDir[0] = actorPos[0] - pos[0];
fDir[1] = actorPos[1] - pos[1];
fDir[2] = 0.0f;
}
if (FyCheckHotKeyStatus(FY_DOWN) && dirCount % SMOOTHINESS == 0)
{
if (FyDistance(pos, actorPos) < SHORTDIST)
{
if (terrain.HitTest(pos, dir) > 0)
{
pos[0] = actorPos[0] + SHORTDIST * actorfDir[0];
pos[1] = actorPos[1] + SHORTDIST * actorfDir[1];
pos[2] = actorPos[2] + HEIGHTOFFSET;
fDir[0] = -actorfDir[0];
fDir[1] = -actorfDir[1];
fDir[2] = 0.0f;
uDir[0] = actoruDir[0];
uDir[1] = actoruDir[1];
uDir[2] = actoruDir[2];
}
else
{
// go back and hit Obstacle : camera look down at the actor
pos[2] = actorPos[2];
pos[2] = actorPos[2] + HEIGHTBOUND + HEIGHTOFFSET - FyDistance(pos, actorPos);
fDir[0] = actorPos[0] - pos[0];
fDir[1] = actorPos[1] - pos[1];
fDir[2] = -pos[2];
uDir[0] = fDir[0] / abs(fDir[0] * fDir[1]);
uDir[1] = fDir[1] / abs(fDir[0] * fDir[1]);
uDir[2] = -abs(uDir[0] * fDir[0] + uDir[1] * fDir[1]) / fDir[2];
}
}
}
//-----------------HW2 end-------------------------//
if (dirCount % SMOOTHINESS == 0)
{
camera.SetPosition(pos);
camera.SetDirection(fDir, uDir);
}
// show frame rate
static char string[128];
if (frame == 0) {
FyTimerReset(0);
}
if (frame / 10 * 10 == frame) {
float curTime;
curTime = FyTimerCheckTime(0);
sprintf(string, "Fps: %6.2f", frame / curTime);
}
frame += skip;
if (frame >= 1000) {
frame = 0;
}
FnText text;
text.ID(textID);
text.Begin(vID);
text.Write(string, 20, 20, 255, 0, 0);
char posS[256], fDirS[256], uDirS[256], debug[256];
sprintf(posS, "pos: %8.3f %8.3f %8.3f", pos[0], pos[1], pos[2]);
sprintf(fDirS, "facing: %8.3f %8.3f %8.3f", fDir[0], fDir[1], fDir[2]);
sprintf(uDirS, "up: %8.3f %8.3f %8.3f", uDir[0], uDir[1], uDir[2]);
sprintf(debug, "debug: %d %d %d", LyubuID.level, LyubuID.exp_cur, LyubuID.blood_remain);
text.Write(posS, 20, 35, 255, 255, 0);
text.Write(fDirS, 20, 50, 255, 255, 0);
text.Write(uDirS, 20, 65, 255, 255, 0);
text.Write(debug, 20, 90, 255, 255, 0);
text.End();
// swap buffer
FySwapBuffers();
}
/* ------------------
the main program
C.Wang 1010, 2014
-------------------*/
void FyMain(int argc, char **argv)
{
// create a new world
BOOL4 beOK = FyStartFlyWin32("NTU@2014 Homework #02 - Use Fly2", 0, 0, 1024, 768, FALSE);
// setup the data searching paths
FySetShaderPath("Data\\NTU6\\Shaders");
FySetModelPath("Data\\NTU6\\Scenes");
FySetTexturePath("Data\\NTU6\\Scenes\\Textures");
FySetScenePath("Data\\NTU6\\Scenes");
// create a viewport
vID = FyCreateViewport(0, 0, 1024, 768);
FnViewport vp;
vp.ID(vID);
// create a 3D scene
sID = FyCreateScene(10);
FnScene scene;
scene.ID(sID);
// load the scene
scene.Load("gameScene02");
scene.SetAmbientLights(1.0f, 1.0f, 1.0f, 0.6f, 0.6f, 0.6f);
// load the terrain
tID = scene.CreateObject(OBJECT);
FnObject terrain;
terrain.ID(tID);
BOOL beOK1 = terrain.Load("terrain");
terrain.Show(FALSE);
// set terrain environment
terrainRoomID = scene.CreateRoom(SIMPLE_ROOM, 10);
FnRoom room;
room.ID(terrainRoomID);
room.AddObject(tID);
// load the character
FySetModelPath("Data\\NTU6\\Characters");
FySetTexturePath("Data\\NTU6\\Characters");
FySetCharacterPath("Data\\NTU6\\Characters");
actorID = scene.LoadCharacter("Lyubu2");
npc1ID = scene.LoadCharacter("Donzo2");
npc2ID = scene.LoadCharacter("Robber02");
// put the character on terrain
float apos[3], cpos[3], fDir[3], uDir[3];
FnCharacter actor, npc1, npc2;
actor.ID(actorID);
npc1.ID(npc1ID);
npc2.ID(npc2ID);
apos[0] = 3569.0f; apos[1] = -3208.0f; apos[2] = 1000.0f;
fDir[0] = 1.0f; fDir[1] = 0.0f; fDir[2] = 0.0f;
uDir[0] = 0.0f; uDir[1] = 0.0f; uDir[2] = 1.0f;
actor.SetDirection(fDir, uDir);
fDir[0] = -1.0f; fDir[1] = -1.0f;
npc1.SetDirection(fDir, uDir);
fDir[0] = 1.0f;
npc2.SetDirection(fDir, uDir);
actor.SetTerrainRoom(terrainRoomID, 10.0f);
npc1.SetTerrainRoom(terrainRoomID, 10.0f);
npc2.SetTerrainRoom(terrainRoomID, 10.0f);
beOK = actor.PutOnTerrain(apos);
apos[1] -= 150.0f;
beOK = npc1.PutOnTerrain(apos);
apos[1] -= 50.0f;
beOK = npc2.PutOnTerrain(apos);
// Get two character actions pre-defined at Lyubu2
idleID = actor.GetBodyAction(NULL, "Idle");
runID = actor.GetBodyAction(NULL, "Run");
attackID = actor.GetBodyAction(NULL, "NormalAttack1");
idle1ID = npc1.GetBodyAction(NULL, "Idle");
damage1ID = npc1.GetBodyAction(NULL, "DamageL");
die1ID = npc1.GetBodyAction(NULL, "Die");
idle2ID = npc2.GetBodyAction(NULL, "CombatIdle");
damage2ID = npc2.GetBodyAction(NULL, "Damage1");
die2ID = npc2.GetBodyAction(NULL, "DEAD");
// set the character to idle action
curPoseID = idleID;
actor.SetCurrentAction(NULL, 0, curPoseID);
actor.Play(START, 0.0f, FALSE, TRUE);
actor.TurnRight(90.0f);
npc1.SetCurrentAction(NULL, 0, idle1ID);
npc1.Play(START, 0.0f, FALSE, TRUE);
npc2.SetCurrentAction(NULL, 0, idle2ID);
npc2.Play(START, 0.0f, FALSE, TRUE);
// translate the camera
cID = scene.CreateObject(CAMERA);
FnCamera camera;
camera.ID(cID);
camera.SetNearPlane(5.0f);
camera.SetFarPlane(100000.0f);
// set camera initial position and orientation
actor.GetPosition(apos);
//cpos[0] = 4315.783f; cpos[1] = -3199.686f; cpos[2] = 93.046f;
fDir[0] = DIST; fDir[1] = 0.0f; fDir[2] = -HEIGHT;
cpos[0] = apos[0] - fDir[0]; cpos[1] = apos[1] - fDir[1]; cpos[2] = apos[2] - fDir[2];
float distance = sqrt(double((fDir[0])*(fDir[0]) + (fDir[1])*(fDir[1])));
uDir[0] = -fDir[2] * fDir[0] / distance; uDir[1] = -fDir[2] * fDir[1] / distance; uDir[2] = distance;
//fDir[0] = -0.983f; fDir[1] = -0.143f; fDir[2] = -0.119f;
//uDir[0] = -0.116f; uDir[1] = -0.031f; uDir[2] = 0.993f;
camera.SetPosition(cpos);
camera.SetDirection(fDir, uDir);
float mainLightPos[3] = { -4579.0, -714.0, 15530.0 };
float mainLightFDir[3] = { 0.276, 0.0, -0.961 };
float mainLightUDir[3] = { 0.961, 0.026, 0.276 };
FnLight lgt;
lgt.ID(scene.CreateObject(LIGHT));
lgt.Translate(mainLightPos[0], mainLightPos[1], mainLightPos[2], REPLACE);
lgt.SetDirection(mainLightFDir, mainLightUDir);
lgt.SetLightType(PARALLEL_LIGHT);
lgt.SetColor(1.0f, 1.0f, 1.0f);
lgt.SetName("MainLight");
lgt.SetIntensity(0.4f);
// create a text object for displaying messages on screen
textID = FyCreateText("Trebuchet MS", 18, FALSE, FALSE);
// set Hotkeys
FyDefineHotKey(FY_ESCAPE, QuitGame, FALSE); // escape for quiting the game
FyDefineHotKey(FY_UP, Movement, FALSE); // Up for moving forward
FyDefineHotKey(FY_DOWN, Movement, FALSE); // Down for turning right
FyDefineHotKey(FY_RIGHT, Movement, FALSE); // Right for turning right
FyDefineHotKey(FY_LEFT, Movement, FALSE); // Left for turning left
FyDefineHotKey('W', Movement, FALSE); // Up for moving forward
FyDefineHotKey('S', Movement, FALSE); // Down for turning right
FyDefineHotKey('D', Movement, FALSE); // Right for turning right
FyDefineHotKey('A', Movement, FALSE); // Left for turning left
FyDefineHotKey('J', Movement, 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 timers, frame rate = 30 fps
FyBindTimer(0, 30.0f, GameAI, TRUE);
FyBindTimer(1, 30.0f, RenderIt, TRUE);
// invoke the system
FyInvokeFly(TRUE);
}
/* ------------------------------------------------------------ -
30fps timer callback in fixed frame rate for major game loop
-------------------------------------------------------------- */
void GameAI(int skip)
{
FnCharacter actor, npc1, npc2;
// play character pose
actor.ID(actorID);
actor.Play(LOOP, (float)skip, FALSE, TRUE);
npc1.ID(npc1ID);
if (HP1>0 || (frame - framedamage1 + 1000) % 1000 < dietime1)
npc1.Play(LOOP, (float)skip, FALSE, TRUE);
npc2.ID(npc2ID);
if (HP2>0 || (frame - framedamage2 + 1000) % 1000 < dietime2)
npc2.Play(LOOP, (float)skip, FALSE, TRUE);
if ((frame - frameattack + 1000) % 1000 == attacktime)
actor.SetCurrentAction(NULL, 0, curPoseID, 5.0f);
if (HP1 > 0)
{
if ((frame - framedamage1 + 1000) % 1000 == damagetime1)
npc1.SetCurrentAction(NULL, 0, idle1ID, 0.0f);
else if (frame == framedamage1)
npc1.SetCurrentAction(NULL, 0, damage1ID, 0.0f);
}
else if (frame == framedamage1)
{
npc1.SetCurrentAction(NULL, 0, die1ID, 0.0f);
}
if (HP2 > 0)
{
if ((frame - framedamage2 + 1000) % 1000 == damagetime2)
npc2.SetCurrentAction(NULL, 0, idle2ID, 0.0f);
else if (frame == framedamage2)
npc2.SetCurrentAction(NULL, 0, damage2ID, 0.0f);
}
else if (frame == framedamage2)
{
npc2.SetCurrentAction(NULL, 0, die2ID, 0.0f);
}
FnCamera camera;
camera.ID(cID);
FnObject terrain;
terrain.ID(tID);
float fDir[3], uDir[3] = { 0, 0, 1 }, cpos[3], apos[3], distance, height, length;
camera.GetPosition(cpos);
actor.GetPosition(apos);
fDir[0] = apos[0] - cpos[0]; fDir[1] = apos[1] - cpos[1]; fDir[2] = apos[2] - cpos[2];
distance = sqrt(double((fDir[0])*(fDir[0]) + (fDir[1])*(fDir[1])));
height = -fDir[2];
length = sqrt(double(distance*distance + height*height));
uDir[0] = -fDir[2] * fDir[0] / distance; uDir[1] = -fDir[2] * fDir[1] / distance; uDir[2] = distance;
camera.SetDirection(fDir, uDir);
uDir[0] = 0; uDir[1] = 0; uDir[2] = 1;
bool up = FyCheckHotKeyStatus(FY_UP) || FyCheckHotKeyStatus('W'),
down = FyCheckHotKeyStatus(FY_DOWN) || FyCheckHotKeyStatus('S'),
left = FyCheckHotKeyStatus(FY_LEFT) || FyCheckHotKeyStatus('A'),
right = FyCheckHotKeyStatus(FY_RIGHT) || FyCheckHotKeyStatus('D'),
act = (frame - frameattack + 1000) % 1000 >= attacktime;
if (act)
{
if (up&&!down)
{
actor.SetDirection(fDir, uDir);
float norm = sqrt(double((fDir[0])*(fDir[0]) + (fDir[1])*(fDir[1])));
actor.MoveForward(speed, TRUE);
actor.GetPosition(apos);
cpos[0] = apos[0] - LENGTH*fDir[0] / norm;
cpos[1] = apos[1] - LENGTH*fDir[1] / norm;
cpos[2] = apos[2] + HEIGHT;
float dir[3] = { cpos[0] - apos[0], cpos[1] - apos[1], 0 }, result[3];
if (terrain.HitTest(apos, dir, result) > 0)
{
float line[3] = { result[0] - apos[0], result[1] - apos[1], result[2] - apos[2] };
if (line[0] * line[0] + line[1] * line[1]<LENGTH*LENGTH)
{
cpos[0] = result[0];
cpos[1] = result[1];
cpos[2] = apos[2] + sqrt(double(LENGTH*LENGTH + HEIGHT*HEIGHT - (line[0] * line[0] + line[1] * line[1])));
}
}
camera.SetPosition(cpos);
}
if (down&&!up)
{
float bDir[3] = { -fDir[0], -fDir[1], -fDir[2] };
actor.SetDirection(bDir, uDir);
float norm = sqrt(double((bDir[0])*(bDir[0]) + (bDir[1])*(bDir[1])));
actor.MoveForward(speed, TRUE);
actor.GetPosition(apos);
cpos[0] = apos[0] - LENGTH*fDir[0] / norm;
cpos[1] = apos[1] - LENGTH*fDir[1] / norm;
cpos[2] = apos[2] + HEIGHT;
float dir[3] = { cpos[0] - apos[0], cpos[1] - apos[1], 0 }, result[3];
if (terrain.HitTest(apos, dir, result) > 0)
{
float line[3] = { result[0] - apos[0], result[1] - apos[1], result[2] - apos[2] };
if (line[0] * line[0] + line[1] * line[1]<LENGTH*LENGTH)
{
cpos[0] = result[0];
cpos[1] = result[1];
cpos[2] = apos[2] + sqrt(double(LENGTH*LENGTH + HEIGHT*HEIGHT - (line[0] * line[0] + line[1] * line[1])));
}
}
camera.SetPosition(cpos);
}
if (left&&!right)
{
float lDir[3] = { -fDir[1], fDir[0], fDir[2] }, apos2[3];
actor.SetDirection(lDir, uDir);
actor.TurnRight(-asin(speed / 2 / distance) * 180 / pi);
actor.MoveForward(speed, TRUE);
actor.GetPosition(apos2);
if ((apos[0] - apos2[0])*(apos[0] - apos2[0]) + (apos[1] - apos2[1])*(apos[1] - apos2[1]) == 0)
{
camera.TurnRight(-asin(2 * speed / 2 / distance) * 180 / pi);
camera.MoveRight(2 * speed);
}
}
if (right&&!left)
{
float rDir[3] = { fDir[1], -fDir[0], fDir[2] }, apos2[3];
actor.SetDirection(rDir, uDir);
actor.TurnRight(asin(speed / 2 / distance) * 180 / pi);
actor.MoveForward(speed, TRUE);
actor.GetPosition(apos2);
if ((apos[0] - apos2[0])*(apos[0] - apos2[0]) + (apos[1] - apos2[1])*(apos[1] - apos2[1]) == 0)
{
camera.TurnRight(asin(2 * speed / 2 / distance) * 180 / pi);
camera.MoveRight(-2 * speed);
}
}
}
}
/*------------------
the main program
C.Wang 1010, 2014
-------------------*/
void FyMain(int argc, char **argv)
{
// create a new world
BOOL4 beOK = FyStartFlyWin32("NTU@2014 Homework #01 - Use Fly2", 0, 0, 1024, 768, FALSE);
// setup the data searching paths
FySetShaderPath("Data\\NTU6\\Shaders");
FySetModelPath("Data\\NTU6\\Scenes");
FySetTexturePath("Data\\NTU6\\Scenes\\Textures");
FySetScenePath("Data\\NTU6\\Scenes");
// create a viewport
vID = FyCreateViewport(0, 0, 1024, 768);
FnViewport vp;
vp.ID(vID);
// create a 3D scene
sID = FyCreateScene(10);
FnScene scene;
scene.ID(sID);
// load the scene
scene.Load("gameScene02");
scene.SetAmbientLights(1.0f, 1.0f, 1.0f, 0.6f, 0.6f, 0.6f);
// load the terrain
tID = scene.CreateObject(OBJECT);
FnObject terrain;
terrain.ID(tID);
BOOL beOK1 = terrain.Load("terrain");
terrain.Show(FALSE);
// set terrain environment
terrainRoomID = scene.CreateRoom(SIMPLE_ROOM, 10);
FnRoom room;
room.ID(terrainRoomID);
room.AddObject(tID);
// load the character
FySetModelPath("Data\\NTU6\\Characters");
FySetTexturePath("Data\\NTU6\\Characters");
FySetCharacterPath("Data\\NTU6\\Characters");
actorID = scene.LoadCharacter("Lyubu2");
// put the character on terrain
float pos[3], fDir[3], uDir[3];
FnCharacter actor;
actor.ID(actorID);
pos[0] = 3569.0f; pos[1] = -3208.0f; pos[2] = 1000.0f;
fDir[0] = 1.0f; fDir[1] = -1.0f; fDir[2] = 0.0f;
uDir[0] = 0.0f; uDir[1] = 0.0f; uDir[2] = 1.0f;
actor.SetDirection(fDir, uDir);
actor.SetTerrainRoom(terrainRoomID, 10.0f);
beOK = actor.PutOnTerrain(pos);
// Get two character actions pre-defined at Lyubu2
idleID = actor.GetBodyAction(NULL, "Idle");
runID = actor.GetBodyAction(NULL, "Run");
// set the character to idle action
curPoseID = idleID;
actor.SetCurrentAction(NULL, 0, curPoseID);
actor.Play(START, 0.0f, FALSE, TRUE);
actor.TurnRight(90.0f);
// translate the camera
cID = scene.CreateObject(CAMERA);
FnCamera camera;
camera.ID(cID);
camera.SetNearPlane(5.0f);
camera.SetFarPlane(100000.0f);
// set camera initial position and orientation
pos[0] = 4069.0f; pos[1] = -3208.0f; pos[2] = 93.046f;
fDir[0] = -500.0f; fDir[1] = -0.0f; fDir[2] = -0.0f;
uDir[0] = -0.116f; uDir[1] = -0.031f; uDir[2] = 0.993f;
camera.SetPosition(pos);
camera.SetDirection(fDir, uDir);
float mainLightPos[3] = { -4579.0, -714.0, 15530.0 };
float mainLightFDir[3] = { 0.276, 0.0, -0.961 };
float mainLightUDir[3] = { 0.961, 0.026, 0.276 };
FnLight lgt;
lgt.ID(scene.CreateObject(LIGHT));
lgt.Translate(mainLightPos[0], mainLightPos[1], mainLightPos[2], REPLACE);
lgt.SetDirection(mainLightFDir, mainLightUDir);
lgt.SetLightType(PARALLEL_LIGHT);
lgt.SetColor(1.0f, 1.0f, 1.0f);
lgt.SetName("MainLight");
lgt.SetIntensity(0.4f);
// create a text object for displaying messages on screen
textID = FyCreateText("Trebuchet MS", 18, FALSE, FALSE);
// set Hotkeys
FyDefineHotKey(FY_ESCAPE, QuitGame, FALSE); // escape for quiting the game
FyDefineHotKey(FY_UP, Movement, FALSE); // Up for moving forward
FyDefineHotKey(FY_RIGHT, Movement, FALSE); // Right for turning right
FyDefineHotKey(FY_LEFT, Movement, FALSE); // Left for turning left
// define some mouse functions
if (!IsCameraFollow)
{
FyBindMouseFunction(LEFT_MOUSE, InitPivot, PivotCam, NULL, NULL);
FyBindMouseFunction(MIDDLE_MOUSE, InitZoom, ZoomCam, NULL, NULL);
FyBindMouseFunction(RIGHT_MOUSE, InitMove, MoveCam, NULL, NULL);
}
else
{
FyBindMouseFunction(LEFT_MOUSE, InitZoom2, ZoomCam2, NULL, NULL);
FyBindMouseFunction(RIGHT_MOUSE, NULL, RotateCam, NULL, NULL);
}
// bind timers, frame rate = 30 fps
FyBindTimer(0, 30.0f, GameAI, TRUE);
FyBindTimer(1, 30.0f, RenderIt, TRUE);
// invoke the system
FyInvokeFly(TRUE);
}