void Explosion::newExplosion (float pos_x,float pos_y)
{
this->pos_x=pos_x;
this->pos_y=pos_y;
int i;
for (i = 0; i < NUM_PARTICLES; i++)
{
particles[i]->position[0] = 0.0;
particles[i]->position[1] = 0.0;
particles[i]->position[2] = 0.0;
particles[i]->color[0] = 0.5;
particles[i]->color[1] = 0.5;
particles[i]->color[2] = 1.0;
newSpeed (particles[i]->speed);
}
for (i = 0; i < NUM_DEBRIS; i++)
{
this->debris[i]->position[0] = 0.0;
this->debris[i]->position[1] = 0.0;
this->debris[i]->position[2] = 0.0;
this->debris[i]->orientation[0] = 0.0;
this->debris[i]->orientation[1] = 0.0;
this->debris[i]->orientation[2] = 0.0;
this->debris[i]->color[0] = 0.7;
this->debris[i]->color[1] = 0.7;
this->debris[i]->color[2] = 0.7;
this->debris[i]->scale[0] = (20.0 *
((GLfloat) rand ()) / ((GLfloat) RAND_MAX)) - 1.0;
this->debris[i]->scale[1] = (20.0 *
((GLfloat) rand ()) / ((GLfloat) RAND_MAX)) - 1.0;
this->debris[i]->scale[2] = (20.0 *
((GLfloat) rand ()) / ((GLfloat) RAND_MAX)) - 1.0;
newSpeed (this->debris[i]->speed);
newSpeed (this->debris[i]->orientationSpeed);
}
fuel = 100;
}
void generate_init_values(int number_of_stars, struct star* star_array)
{
time_t t;
srand((unsigned) time(&t));
for(int i = 0; i < number_of_stars; ++i){
star_array[i] = makeStar();
prec angle = 360 * newRand();
prec radius = 100 * newRand();
newPos(&star_array[i], radius * cos(angle) + 350, 0.5 * radius * sin(angle) + 350);
newSpeed(&star_array[i], 0.4*(star_array[i].ypos - 350), (-0.4)*(star_array[i].xpos - 350));
newMass(&star_array[i], 2*newRand() + 2);
}
}
static void update_position(struct star* str, prec time_unit)
{
prec xacc = readXForce(str) / readMass(str);
prec xSpeedIncrease = xacc * time_unit;
prec yacc = readYForce(str) / readMass(str);
prec ySpeedIncrease = yacc * time_unit;
prec newXSpeed = readXSpeed(str) + xSpeedIncrease;
prec newYSpeed = readYSpeed(str) + ySpeedIncrease;
newSpeed(str, newXSpeed, newYSpeed);
prec xPosIncrease = readXSpeed(str) * time_unit + yacc * pow(time_unit, 2.0)/2;
prec yPosIncrease = readYSpeed(str) * time_unit + yacc * pow(time_unit, 2.0)/2;
prec newXPos = readXPos(str) + xPosIncrease;
prec newYPos = readYPos(str) + yPosIncrease;
newPos(str, newXPos, newYPos);
}
void MCWorld::random() {
rides.clear();
QTime midnight(0, 0, 0);
//pd the rand function does not work on Windows, look on this later
#ifdef Q_OS_WIN32
//bla something here
#else
srand(midnight.secsTo(QTime::currentTime()));
for(int i = 0; i < allObjects.size(); i++) {
allObjects[i]->unsetDestination();
Speed newSpeed(rand() % 600 - 300, rand() % 600 - 300, 0);
allObjects[i]->setSpeed(newSpeed);
}
#endif
}
int nextMove(char ** arr,int row,int col,char * dir)
{
int y,speed;
int i=0,j=0;
searchPosition(arr,row,col,&i,&j);
arr[i][j]='-';
if(strcmp(dir,"right")==0)
{
if(j+2>=col)
j=col-1;
else
j=j+2;
speed =newSpeed(arr[i][j]);
while(speed!=4)
{
arr[i][j]='-';
if(speed==0)
moveLeft(&i,&j,row,col);
else if(speed==1)
moveRight(&i,&j,row,col);
else if(speed==2)
moveUp(&i,&j,row,col);
else if(speed==3)
moveDown(&i,&j,row,col);
speed=newSpeed(arr[i][j]);
}
arr[i][j]='G';
return speed;
}
else if(strcmp(dir,"left")==0)
{
y=-2;
if(j+y<0)
j=0;
else
j=j+y;
speed =newSpeed(arr[i][j]);
while(speed!=4)
{
arr[i][j]='-';
if(speed==0)
moveLeft(&i,&j,row,col);
else if(speed==1)
moveRight(&i,&j,row,col);
else if(speed==2)
moveUp(&i,&j,row,col);
else if(speed==3)
moveDown(&i,&j,row,col);
arr[i][j]='-';
speed=newSpeed(arr[i][j]);
}
arr[i][j]='G';
return speed;
}
else if(strcmp(dir,"up")==0)
{
y=-1;
if(i+y<0)
i=0;
else
i=i+y;
speed =newSpeed(arr[i][j]);
while(speed!=4)
{
arr[i][j]='-';
if(speed==0)
moveLeft(&i,&j,row,col);
else if(speed==1)
moveRight(&i,&j,row,col);
else if(speed==2)
moveUp(&i,&j,row,col);
else if(speed==3)
moveDown(&i,&j,row,col);
arr[i][j]='-';
speed=newSpeed(arr[i][j]);
}
arr[i][j]='G';
return speed;
}
else
{
if(i+1>=row)
i=row-1;
else
i=i+1;
speed =newSpeed(arr[i][j]);
while(speed!=4)
{
arr[i][j]='-';
if(speed==0)
moveLeft(&i,&j,row,col);
else if(speed==1)
moveRight(&i,&j,row,col);
else if(speed==2)
moveUp(&i,&j,row,col);
else if(speed==3)
moveDown(&i,&j,row,col);
arr[i][j]='-';
speed=newSpeed(arr[i][j]);
}
arr[i][j]='G';
return speed;
}
}
