// initialize initializes the general display design coordinator, creates the
// primitive sets, textures, objects, lights, sounds, cameras, and text items
//
void Design::initialize() {
// general display design
//
Reflectivity redish = Reflectivity(red);
Reflectivity greenish = Reflectivity(green);
Reflectivity bluish = Reflectivity(blue);
Reflectivity whitish = Reflectivity(white);
setProjection(0.9f, 1.0f, 1000.0f);
setAmbientLight(1, 1, 1);
// camera at a distance - in lhs coordinates
// camera at a distance - in lhs coordinates
iCamera* camera = CreateCamera();
camera->translate(0, 190,-500);
camera->setRadius(17.8f);
lastUpdate = now;
hud = CreateHUD(0.72f, 0.01f, 0.27f, 0.99f, CreateTexture(HUD_IMAGE));
// cameras ----------------------------------------------------------------
velocitytxt_=CreateText(Rectf(0.05f,0.27f,0.95f,0.37f),hud,L"",TEXT_HEIGHT,TEXT_TYPEFACE,TEXT_LEFT);
deltatxt_=CreateText(Rectf(0.05f,0.17f,0.95f,0.27f),hud,L"",TEXT_HEIGHT,TEXT_TYPEFACE,TEXT_LEFT);
positiontxt_=CreateText(Rectf(0.05f,0.38f,0.95f,0.48f),hud,L"",TEXT_HEIGHT,TEXT_TYPEFACE,TEXT_LEFT);
lasttextupdate=now;
// game ----------------------------------------------------------------------
setBackground(CreateTexture(L"farm.png"));
catcher = CreatePhysicsBox(-40, -5, 0, 40, 5, 0, &bluish, 1, PHYS_Floating, true);
iAPIWindow* win = getWindow();
catcher->translate(0, -70, 0);
truck = CreatePhysicsBox(-100, -2, 0, 100, 2, 0, &redish, 1, PHYS_Floating, true);
truck->translate(300, -50, 0);
Reflectivity yellowish = Reflectivity(yellow);
iPhysics* fallingBox = CreatePhysicsBox(-10, -10, -10, 10, 10, 10, &yellowish, 1, PHYS_Falling, true);
fallingBox->translate(-350, 350, 0);
fallingBox->setVelocity(Vector(5, 20, 0));
fallingBox->addBodyForce(Vector(0, -10, 0));
fallingBox->setCollision(CreateCSphere(fallingBox, 5));
objects.insert(objects.end(), fallingBox);
wchar_t str[MAX_DESC + 1];
StringCbPrintfW(str, MAX_DESC, L"Score: 0");
velocitytxt_->set(str);
StringCbPrintfW(str, MAX_DESC, L"Life left: 5");
deltatxt_->set(str);
}
// update updates the position and orientation of each object according to the
// actions initiated by the user
//
void Design::update()
{
bool
translate = false,
rotate = false;
int
delta = now - lastUpdate,
dX = 0;
float wZ = 0;
static int
accum = delta,
next = 3000,
score = 0,
life = 5,
update = true,
level = 0,
bottom = 0;
wchar_t str[MAX_DESC + 1];
if (!update)
{
StringCbPrintfW(str, MAX_DESC, L"GAME OVER");
deltatxt_->set(str);
StringCbPrintfW(str, MAX_DESC, L"Score: %d", score);
velocitytxt_->set(str);
return;
}
if (pressed(MOVE_LEFT))
{
translate = true;
dX = -10;
}
if (pressed(ROTATE_LEFT))
{
rotate = true;
wZ = -0.05f;
bottom -= 2;
}
if (pressed(MOVE_RIGHT))
{
translate = true;
dX = 10;
}
if (pressed(ROTATE_RIGHT))
{
rotate = true;
wZ = 0.05f;
bottom -= 2;
}
if (translate)
catcher->translate(dX, 0, 0);
if (rotate)
catcher->rotatez(wZ);
const CollisionContact* cc;
cs_->populateContactList(delta/UNITS_PER_SEC);
int nc=cs_->getNumContacts();
std::vector<iPhysics*> toRemove;
if(nc!=0)
{
float vrn, J;
Vector force,n,relativeVelocity;
Vector g1deltap, g2deltap;
for(int i = 1; i < nc ;i++)
{
cc = cs_->getContactList(i);
iPhysics* g1 = cc->g1->getPhysics();
iPhysics* g2 = cc->g2->getPhysics();
if(g1 == catcher && g2 != catcher)
{
if (g2 == catcher)
{
catcher->translate(-dX, 0, 0);
continue;
}
n = cc->normal;
relativeVelocity = -g2->velocity();
// normal component of the relative velocity
vrn = dot(relativeVelocity, n);
// magnitude of the impulse at collision
J = - vrn * 2.0f / (1.0f / cc->g1->getPhysics()->mass() + 1.0f / cc->g2->getPhysics()->mass());
// force generated by the impulse
force = J * n / (float(delta)/float(UNITS_PER_SEC));
// apply the force to both objects
cc->g2->getPhysics()->addimpulseForce(-1 * force);
// lose 4% of velocity
cc->g2->getPhysics()->setVelocity(0.6f * (g2->velocity() + (-J * n)/ cc->g2->getPhysics()->mass()));
//push objects apart so that it doesn't keep colliding
float massTotal = (cc->g1->getPhysics()->mass() + cc->g2->getPhysics()->mass()) * 0.85f;
float rbd1mf = cc->g1->getPhysics()->mass() / massTotal;
float rbd2mf = cc->g2->getPhysics()->mass() / massTotal;
Vector g1deltap (-1*(rbd1mf * cc->depth * n));
Vector g2deltap (rbd2mf * cc->depth * n);
cc->g2->getPhysics()->translate(g2deltap.x,g2deltap.y,g2deltap.z);
}
if (g1 == truck && g2 != truck)
{
if (g2 == catcher)
{
catcher->translate(-dX, 0, 0);
}
if (std::find(objects.begin(), objects.end(), g2) == objects.end())
continue;
toRemove.insert(toRemove.begin(), g2);
StringCbPrintfW(str, MAX_DESC, L"Score: %d", ++score);
velocitytxt_->set(str);
}
}
}
for (int i = toRemove.size() - 1; i >= 0; --i)
{
iPhysics* object = toRemove.at(i);
cs_->remove(object->collisionGeometry());
remove(object->bv());
objects.remove(object);
}
accum += delta;
if (accum > next)
{
if (score > 0 && !(score % 5))
{
level++;
next -= 250;
}
Reflectivity yellowish = Reflectivity(yellow);
iPhysics* fallingBox = CreatePhysicsBox(-10, -10, -10, 10, 10, 10, &yellowish, 1, PHYS_Falling, true);
fallingBox->translate(-350, 350, 0);
srand(time(0));
fallingBox->setVelocity(Vector(rand() % 40 + 10 * level, -20, 0));
fallingBox->addBodyForce(Vector(0, -10, 0));
fallingBox->setCollision(CreateCSphere(fallingBox, 5));
objects.insert(objects.end(), fallingBox);
accum = 0;
if (next < 0)
{
next = 100;
}
}
Vector stretchPos = catcher->position();
LIST_iPHYSICS::iterator itr = objects.begin();
while (itr != objects.end())
{
iPhysics* object = *itr;
Vector position = object->position();
if (position.y < stretchPos.y - 5 + bottom)
{
if (--life < 0)
{
StringCbPrintfW(str, MAX_DESC, L"Your lost ");
deltatxt_->set(str);
update = false;
}
cs_->remove(object->collisionGeometry());
remove(object->bv());
itr = objects.erase(itr);
StringCbPrintfW(str, MAX_DESC, L"Life left: %d ", life);
deltatxt_->set(str);
continue;
}
(*itr)->update(delta);
++itr;
}
}
// initialize initializes the general display design coordinator, creates the
// primitive sets, textures, objects, lights, sounds, cameras, and text items
//
void Design::initialize() {
// general parameters
//
Reflectivity redish = Reflectivity(red);
Reflectivity greenish = Reflectivity(green);
Reflectivity bluish = Reflectivity(blue);
Reflectivity whitish = Reflectivity(white);
iGraphic* box;
setProjection(0.9f, 1.0f, 1000.0f);
setAmbientLight(0.9f, 0.9f, 0.9f);
iCamera* camera = CreateCamera();
camera->translate(0,150,0);
camera->setRadius(17.8f);
camera->rotatex(3.1459/2.0f);
int i=0;
for(i=0;i<map_.numvert();i++){
box = CreateBox(-3, -3, -3 * MODEL_Z_AXIS, 3, 3, 3 * MODEL_Z_AXIS);
CreateObject(box,&redish)->translate(map_.vx(i),map_.vy(i),map_.vz(i));
}
for(int j=0;j<map_.numvert();j++){
LList<EdgeInfo>& edgelist=map_.edges(j);
Node<EdgeInfo>* curr;
while(curr=edgelist.curr()){
int from=curr->data().from();
int to=curr->data().to();
if(from < to){
Vector frompos=map_.pos(from);
Vector topos=map_.pos(to);
float speed= curr->data().speed();
iGraphic* path=CreatePath(frompos.x,frompos.y,frompos.z,topos.x,topos.y,topos.z);
Reflectivity* pathcolour=(speed<FAST)?((speed<MEDIUM)?&redish:&bluish):&greenish;
CreateObject(path,pathcolour);
#if DEBUG==1
fprintf(debugfile,"from/to: %d %d\n",from,to);
fprintf(debugfile,"frompos %f %f %f\n",frompos.x,frompos.y,frompos.z);
fprintf(debugfile,"topos %f %f %f\n",topos.x,topos.y,topos.z);
fprintf(debugfile,"v %f %f %f\n",v.x,v.y,v.z);
fprintf(debugfile,"edglen= %f\n",edgelen);
#endif
i++;
}
edgelist.gonext();
}
}
bucket_=CreatePhysicsBox(-2,-2,-2,2,2,2,&bluish,1,PHYS_FixedInSpace);
whichbox_=0;
Vector boxloc=map_.pos(whichbox_);
bucket_->translate(boxloc.x,boxloc.y+4,boxloc.z);
box = CreateBox(-3.1, -3.1, -3.1 * MODEL_Z_AXIS, 3.1, 3.1, 3.1 * MODEL_Z_AXIS);
(highlighter_ = CreateObject(box,&greenish))->translate(map_.vx(0),map_.vy(0),map_.vz(0));
selectloc_=0;
lastFireTime_=0;
ismoving_=false;
searchroutine_=GREEDY;
hud = CreateHUD(0.72f, 0.01f, 0.27f, 0.99f, CreateTexture(HUD_IMAGE));
velocitytxt_=CreateText(Rectf(0.05f,0.27f,0.95f,0.37f),hud,L"",TEXT_HEIGHT,TEXT_TYPEFACE,TEXT_LEFT);
deltatxt_=CreateText(Rectf(0.05f,0.17f,0.95f,0.27f),hud,L"",TEXT_HEIGHT,TEXT_TYPEFACE,TEXT_LEFT);
positiontxt_=CreateText(Rectf(0.05f,0.38f,0.95f,0.48f),hud,L"",TEXT_HEIGHT,TEXT_TYPEFACE,TEXT_LEFT);
lasttextupdate=now;
}