bool checkCollision(Circle granade,Circle obstacle){
float dt = distance(granade.getX(),granade.getY(),obstacle.getX(),obstacle.getY());
if(obstacle.getRadius()+granade.getRadius() >= dt){
return true;
}
return false;
}
bool Line::within(FigureType type, const double * coordinates, unsigned size)
{
if (type == FigureType::rect)
{
if (size < 4)
return false;
Rectangle polygon;
polygon.setCoord(coordinates, size);
if ( !(p1.getX() >= polygon.getX() && p1.getX() <= polygon.getX() + polygon.getWidth()) )
return false;
if ( !(p2.getX() >= polygon.getX() && p2.getX() <= polygon.getX() + polygon.getWidth()) )
return false;
if ( !(p1.getY() >= polygon.getY() && p1.getY() <= polygon.getY() + polygon.getHeight()) )
return false;
if ( !(p2.getY() >= polygon.getY() && p2.getY() <= polygon.getY() + polygon.getHeight()) )
return false;
return true;
}
else if (type == FigureType::circle)
{
if (size < 3)
return false;
Circle polygon;
polygon.setCoord(coordinates, size);
double x = p1.getX() - polygon.getX();
double y = p1.getY() - polygon.getY();
double radius = polygon.getRadius();
if ( !(x*x + y*y < radius*radius) )
return false;
x = p2.getX() - polygon.getX();
y = p2.getY() - polygon.getY();
if ( !(x*x + y*y < radius*radius) )
return false;
return true;
}
return false;
}
/*
@param object c
calculates the distance between origin of one circle to other
@returns the distance
sqrt (x1-x2)^2 + (y1-y2)^2
*/
double Circle::distanceTwoCircle(Circle& c){
double dx = getX() - c.getX(); //horizontal
double dy = getY() - c.getY(); //vertical
double dist = sqrt(dx*dx + dy*dy); //Pythagoras theorem
return dist;
}
bool Circle::overlaps(Circle c) {
double radiiSum = pow(c.getRadius() + radius, 2);
double radiiDiff = pow(c.getRadius() - radius, 2);
double centerDist = pow(c.getX() - x, 2) + pow(c.getY() - y, 2);
if(radiiDiff <= centerDist && centerDist <= radiiSum) {
return true;
}
return false;
}
int main(int argc, const char * argv[])
{
Circle myCircle;
cout << "Center:\t(" << myCircle.getX() << ", " << myCircle.getY() << ")" << endl;
cout << "Radius:\t" << myCircle.getR() << endl;
cout << "Area:\t" << myCircle.area << endl;
myCircle.setX(1);
myCircle.setY(2);
myCircle.setR(3);
cout << endl;
cout << "Center:\t(" << myCircle.getX() << ", " << myCircle.getY() << ")" << endl;
cout << "Radius:\t" << myCircle.getR() << endl;
return 0;
}
bool Circle::operator==(const Circle& circle) const {
if (this->getX() == circle.getX() && this->getY() == circle.getY() &&
this->getRadius() == circle.getRadius() &&
this->isVisible() == circle.isVisible() &&
this->getRed() == circle.getRed() &&
this->getGreen() == circle.getGreen() &&
this->getBlue() == circle.getBlue())
return true;
else return false;
}
bool Circle::within(FigureType type, const double * coordinates, unsigned size)
{
if (type == FigureType::rect)
{
if (size < 4)
return false;
Rectangle polygon;
polygon.setCoord(coordinates, size);
if ( !(center.getX() - radius >= polygon.getX() && center.getX() + radius <= polygon.getX() + polygon.getWidth()) )
return false;
if ( !(center.getY() - radius >= polygon.getY() && center.getY() + radius <= polygon.getY() + polygon.getHeight()) )
return false;
return true;
}
else if (type == FigureType::circle)
{
if (size < 3)
return false;
Circle polygon;
polygon.setCoord(coordinates, size);
double distX = polygon.getX() - center.getX();
double distY = polygon.getY() - center.getY();
double radiusDifference = polygon.getRadius() - radius;
if (radiusDifference < 0)
return false;
if ( !(distX*distX + distY*distY <= radiusDifference*radiusDifference) )
return false;
return true;
}
return false;
}
//Copy Constructor
Circle :: Circle(const Circle &rhs){
radius = rhs.getRadius();
Area = rhs.getArea();
X = rhs.getX();
Y = rhs.getY();
}
Fighter* Projectile::checkHits(Fighter* other) {
Hitbox temp = hit;
Hitbox atkbox;
vector<Circle> circles = temp.getCircles();
for (uint8 n = 0; n < circles.size(); n++) {
Circle current = circles[n];
Circle newcircright(current.getX() + x, current.getY() + y, current.getRadius(), current.getKnockback(), current.damage);
Circle newcircleft(64 - current.getX() + x, current.getY() + y, current.getRadius(), current.getKnockback(), current.damage);
if (dx < 0) atkbox.addCircle(newcircright);
else atkbox.addCircle(newcircleft);
}
if(TYPE == THUNDER1 || TYPE == THUNDER2 || TYPE == THUNDER3 || TYPE == THUNDER4) {
vector<Projectile> projs = *((vector<Projectile>*)getProj());
for(int n = 0; n < (int)projs.size(); n++) {
if(projs[n].owner == owner && (projs[n].TYPE == THUNDER1 || projs[n].TYPE == THUNDER2 || projs[n].TYPE == THUNDER3 || projs[n].TYPE == THUNDER4)) {
if(!projs[n].enabled) enabled = false;
}
}
}
if (!enabled) {
if(TYPE == THUNDER1 || TYPE == THUNDER2 || TYPE == THUNDER3 || TYPE == THUNDER4) {
vector<Projectile> projs = *((vector<Projectile>*)getProj());
for(int n = 0; n < (int)projs.size(); n++) {
if(projs[n].owner == owner && (projs[n].TYPE == THUNDER1 || projs[n].TYPE == THUNDER2 || projs[n].TYPE == THUNDER3 || projs[n].TYPE == THUNDER4)) {
projs[n].enabled = false;
}
}
}
return other;
}
if (other -> respawntimer > 0) return other;
if (other -> invincibility > 0) return other;
if(atkbox.hits(other -> getAtkbox())) {
if(atkbox.getHitCircle(other -> getAtkbox()).priority < other -> getAtkbox().getHitCircle(atkbox).priority) {
if (dx < 0) other -> takeDamage(atkbox.getHitCircle(other -> getDefbox(PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM))), 1, owner, 0);
else other -> takeDamage(atkbox.getHitCircle(other -> getDefbox(PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM))), -1, owner, 0);
}
else if(atkbox.getHitCircle(other -> getAtkbox()).priority == other -> getAtkbox().getHitCircle(atkbox).priority) {
removeProj(num);
}
else {
removeProj(num);
return other; // they win priority
}
}
else if(atkbox.hits(other -> getDefbox(PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM)))) {
if(other -> MYCHAR == KIRBY && PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM) == 189) {
if(TYPE != THUNDER1 && TYPE != THUNDER2 && TYPE != THUNDER3 && TYPE != THUNDER4 && TYPE != IKESWORD) removeProj(num);
else atkbox.enabled = false;
}
else if (other -> action == AIRDODGE || other -> action == ROLL || other -> action == DODGE) { /*doesn't hit*/
}
else if (other -> action == SHIELD) {
other -> shieldstr -= (int)((atkbox.getHitCircle(other -> getDefbox(PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM))).damage));
if(TYPE != THUNDER1 && TYPE != THUNDER2 && TYPE != THUNDER3 && TYPE != THUNDER4 && TYPE != IKESWORD) removeProj(num);
else atkbox.enabled = false;
if(TYPE == THUNDER1 || TYPE == THUNDER2 || TYPE == THUNDER3 || TYPE == THUNDER4) {
vector<Projectile> projs = *((vector<Projectile>*)getProj());
for(int n = 0; n < (int)projs.size(); n++) {
if(projs[n].owner == owner && (projs[n].TYPE == THUNDER1 || projs[n].TYPE == THUNDER2 || projs[n].TYPE == THUNDER3 || projs[n].TYPE == THUNDER4)) projs[n].enabled = false;
}
}
}
else if(other -> COUNTER) {
if(TYPE != THUNDER1 && TYPE != THUNDER2 && TYPE != THUNDER3 && TYPE != THUNDER4 && TYPE != IKESWORD) removeProj(num);
else atkbox.enabled = false;
other -> COUNTER = false;
if(other -> MYCHAR == IKE && (PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM) == 139 || PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM) == 140)) {
PA_StartSpriteAnimEx(MAIN_SCREEN, other -> SPRITENUM, 143, 144, 10, ANIM_LOOP, -1);
other -> action = ATTACK;
other -> delay = 60/10 * 2;
other -> freeze(30);
other -> dx = 0;
PA_StartSpriteAnimEx(MAIN_SCREEN, other -> SPRITENUM, 139, 139, 1, ANIM_LOOP, -1);
}
if(TYPE == THUNDER1 || TYPE == THUNDER2 || TYPE == THUNDER3 || TYPE == THUNDER4) {
vector<Projectile> projs = *((vector<Projectile>*)getProj());
for(int n = 0; n < (int)projs.size(); n++) {
if(projs[n].owner == owner && (projs[n].TYPE == THUNDER1 || projs[n].TYPE == THUNDER2 || projs[n].TYPE == THUNDER3 || projs[n].TYPE == THUNDER4)) projs[n].enabled = false;
}
}
}
else if(other -> CAPE) {
dx *= -1;
owner = other -> charnum;
vector<Circle> temp = hit.getCircles();
hit.reset();
for(int n = 0; n < (int)temp.size();n++) {
hit.addCircle(Circle(temp[n].getX(), temp[n].getY(), temp[n].getRadius(), Knockback(temp[n].getKnockback().dx * -1, temp[n].getKnockback().dy, temp[n].getKnockback().length), temp[n].damage));
}
if(dx > 0) PA_SetSpriteHflip(MAIN_SCREEN, num, 0);
if(dx < 0) PA_SetSpriteHflip(MAIN_SCREEN, num, 1);
}
else if (other -> ABSORB && (TYPE != IKESWORD)) {
other -> percentage -= atkbox.getHitCircle(other -> getDefbox(PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM))).damage;
if(other -> percentage < 0) other -> percentage = 0;
if(TYPE != THUNDER1 && TYPE != THUNDER2 && TYPE != THUNDER3 && TYPE != THUNDER4) removeProj(num);
else atkbox.enabled = false;
if(TYPE == THUNDER1 || TYPE == THUNDER2 || TYPE == THUNDER3 || TYPE == THUNDER4) {
vector<Projectile> projs = *((vector<Projectile>*)getProj());
for(int n = 0; n < (int)projs.size(); n++) {
if(projs[n].owner == owner && (projs[n].TYPE == THUNDER1 || projs[n].TYPE == THUNDER2 || projs[n].TYPE == THUNDER3 || projs[n].TYPE == THUNDER4)) projs[n].enabled = false;
}
}
}
else {
other -> takeDamage(atkbox.getHitCircle(other -> getDefbox(PA_GetSpriteAnimFrame(MAIN_SCREEN, other -> SPRITENUM))), 1, owner, 0);
if (TYPE != FINALCUTTER && TYPE != IKESWORD && TYPE != THUNDER1 && TYPE != THUNDER2 && TYPE != THUNDER3 && TYPE != THUNDER4) removeProj(num);
else enabled = false;
if(TYPE == THUNDER1 || TYPE == THUNDER2 || TYPE == THUNDER3 || TYPE == THUNDER4) {
vector<Projectile> projs = *((vector<Projectile>*)getProj());
for(int n = 0; n < (int)projs.size(); n++) {
if(projs[n].owner == owner && (projs[n].TYPE == THUNDER1 || projs[n].TYPE == THUNDER2 || projs[n].TYPE == THUNDER3 || projs[n].TYPE == THUNDER4)) projs[n].enabled = false;
}
}
}
}
return other;
}
// gets values for the circle
bool Circle::intersects(Circle other) {
double dx = other.getX() - x; // change in x
double dy = other.getY() - y; // change in y
double dist = sqrt(dx * dx + dy * dy);
return dist < (radius + other.getRadius());
} // checks if this circle intersects Circle other
Circle::Circle(const Circle& circle) : Shape() {
this->setLocation(circle.getX(), circle.getY());
this->setRadius(circle.getRadius());
this->setVisible(circle.isVisible());
this->setColor(circle.getRed(), circle.getGreen(), circle.getBlue());
}
bool Circle::collision(Shape* s) {
//Check the type of the shape to compare to
//If circle then check if there is a circle-circle collision
if (!s->getType().compare(CIRCLE)) {
//If the shape is another circle then cast to circle
Circle* c = static_cast<Circle*>(s);
//Then do a collision detection
if(pythagoras( fabs (getX() - c->getX()), fabs(getY() - c->getY())) < getRadius() + c->getRadius()) {
return true;
}
return false;
}
//If square then check if there is a square-circle collision
if(!s->getType().compare(SQUARE)) {
//If the shape is a square then cast to square
Square* sq = static_cast<Square*>(s);
//In the diagram below E is inside the square, B D F H are alongside the square and are nearest an edge
// A C G I are nearest the corner of the square
// A|B|C
// -+-+-
// D|E|F
// -+-+-
// G|H|I
//Check if the centre of the circle is within the bounds of the square
//In the above diagram this would mean the centre of the circle is within the box E
if ((getX() > sq->getX() - (sq->getWidth() / 2) && getX() < sq->getX() + (sq->getWidth() / 2)) && (getY() > sq->getY() - (sq->getHeight() / 2) && getY() < sq->getY() + (sq->getHeight() / 2))) {
cout << "HERE";
return true;
}
//Check if the centre of the circle is above, below, or next to the square
//Do this by checking if the x value is within the width of the square but outside the height
//Or is the y value inside the height of the square but outside the width
//In the diagram above this would mean the centre of the circle is either in B D F or H
//The number of methods could have been reduced improving efficiency by including the check for above/below and the check
//for left/right in one if statement, halving the number of tests required
//However for readibility of the code I have kept this split up as the nested if statements were starting to look
//even more complicated than they already are
//Check if the centre of the circle is above the square in position B
if ((getX() > sq->getX() - (sq->getWidth() / 2) && getX() < sq->getX() + (sq->getWidth() / 2)) && getY() > sq->getY() + (sq->getHeight() / 2)) {
//Check if the circle overlaps the top of the square
if(fabs(getY() - sq->getY()) < (getRadius()) + (sq->getHeight()/2)) {
return true;
}
}
//Check if the centre of the circle is below the square in position H
if ((getX() > sq->getX() - (sq->getWidth() / 2) && getX() < sq->getX() + (sq->getWidth() / 2)) && getY() < sq->getY() - (sq->getHeight() / 2)) {
//Check if the circle overlaps the bottom of the square
if(fabs(getY() - sq->getY()) < (getRadius()) + (sq->getHeight()/2)) {
return true;
}
}
//Check if the centre of the circle is left of the square in position D
if ((getY() > sq->getY() - (sq->getHeight() / 2) && getY() < sq->getY() + (sq->getHeight() / 2)) && getX() < sq->getX() - (sq->getWidth() / 2)) {
//Check if the circle overlaps the left of the square
if(fabs(getX() - sq->getX()) < (getRadius()) + (sq->getWidth()/2)) {
return true;
}
}
//Check if the centre of the circle is right of the square in position D
if ((getY() > sq->getY() - (sq->getHeight() / 2) && getY() < sq->getY() + (sq->getHeight() / 2)) && getX() > sq->getX() + (sq->getWidth() / 2)) {
//Check if the circle overlaps the right of the square
if(fabs(getX() - sq->getX()) < (getRadius()) + (sq->getWidth()/2)) {
return true;
}
}
//Check if the centre of the circle is diagonally above or below the square
//Do this by checking if the x and y values are below and/or above the perimeter
//values of the square
//In the diagram above this would mean the centre of the circle lies in A C G I
//Then check whether the distance between the centre point of the circle and the corner of the square that
//it is closest to is less than the radius.
//Check if the centre of the circle is left of and above the square
if( ( getX() < sq->getX() - (sq->getWidth() / 2) ) && ( getY() < sq->getY() - (sq->getHeight() / 2) ) ) {
//Check if the distance from the circle midpoint to the top left corner of the square is less than the radius
if ( pythagoras ( abs(getX() - ( sq->getX() - (sq->getWidth()/2)) ) , abs(getY() - ( sq->getY() - (sq->getHeight()/2)) ) ) < getRadius() ) {
return true;
}
}
//Check if the centre of the circle is right of and above the square
if( ( getX() > sq->getX() + (sq->getWidth() / 2) ) && ( getY() < sq->getY() - (sq->getHeight() / 2) ) ) {
//Check if the distance from the circle midpoint to the top right corner of the square is less than the radius
if ( pythagoras ( abs(getX() - ( sq->getX() + (sq->getWidth()/2)) ) , abs(getY() - ( sq->getY() - (sq->getHeight()/2)) ) ) < getRadius() ) {
return true;
}
}
//Check if the centre of the circle is left of and below the square
if( ( getX() < sq->getX() - (sq->getWidth() / 2) ) && ( getY() > sq->getY() + (sq->getHeight() / 2) ) ) {
//Check if the distance from the circle midpoint to the bottom left corner of the square is less than the radius
if ( pythagoras ( abs(getX() - ( sq->getX() - (sq->getWidth()/2)) ) , abs(getY() - ( sq->getY() + (sq->getHeight()/2)) ) ) < getRadius() ) {
return true;
}
}
//Check if the centre of the circle is right of and below the square
if( ( getX() > sq->getX() + (sq->getWidth() / 2) ) && ( getY() > sq->getY() + (sq->getHeight() / 2) ) ) {
//Check if the distance from the circle midpoint to the bottom right corner of the square is less than the radius
if ( pythagoras ( abs(getX() - ( sq->getX() + (sq->getWidth()/2)) ) , abs(getY() - ( sq->getY() + (sq->getHeight()/2)) ) ) < getRadius() ) {
return true;
}
}
}
return false;
}
void QtGraphicsViewVisitor::drawCircle(Circle &shape) {
int x = shape.getX();
int y = shape.getY();
int r = shape.getRadius();
scene->addEllipse(x - r, y - r, r * 2, r * 2, *blackPen);
}
