void TRBullet::setDirection(TRDirection ndir){
TRSprite::setDirection(ndir);
if(ndir == TRDirectionUp){
setVelY(-vel);
setVelX(0);
}else if(ndir == TRDirectionLeft){
setVelX(-vel);
setVelY(0);
}else if(ndir == TRDirectionRight){
setVelX(vel);
setVelY(0);
}else{
setVelX(0);
setVelY(vel);
}
}
void SimObject::calculateSprings(SimObject* anotherObject, double delta,
double springMaxDistance, double springDistance, double springDamping, double springForce) {
double distance = distanceBetween(this, anotherObject);
if(distance == 0) return;
if(springMaxDistance > 0 && distance > springMaxDistance) {
springConnections.erase(std::remove(springConnections.begin(), springConnections.end(), anotherObject), springConnections.end());
anotherObject->incomingSpringConnectionsCount--;
return;
}
double offset = distance - springDistance;
double relativeSpeedX = anotherObject->getVelX() - getVelX();
double relativeSpeedY = anotherObject->getVelY() - getVelY();
//TODO remake damping
double relativeSpeed = sqrt(relativeSpeedX*relativeSpeedX + relativeSpeedY*relativeSpeedY);
double dampingForce = relativeSpeed * springDamping;
double dampingForceX, dampingForceY;
if(relativeSpeed != 0) {
dampingForceX = relativeSpeedX / relativeSpeed * dampingForce;
dampingForceY = relativeSpeedY / relativeSpeed * dampingForce;
} else {
dampingForceX = 0;
dampingForceY = 0;
}
double force;
force = offset * springForce - dampingForce;
double forceX = (anotherObject->getX() - getX()) / distance * force + dampingForceX;
double forceY = (anotherObject->getY() - getY()) / distance * force + dampingForceY;
double velX = getVelX();
double velY = getVelY();
velX += forceX / getMass() * delta;
velY += forceY / getMass() * delta;
setVelX(velX);
setVelY(velY);
}
Ball::Ball(double x, double y, double radius, double speedX, double speedY, sf::Color color, bool isActive) {
btCollisionShape* shape = new btSphereShape(radius);
btDefaultMotionState* mState = new btDefaultMotionState(btTransform(btQuaternion(0, 0, 0, 1), btVector3(x, y, 0)));
double mass;
if(isActive) {
mass = calculateMass(radius);
} else {
mass = 0;
}
btVector3 inertia(0, 0, 0);
shape->calculateLocalInertia(mass, inertia);
btRigidBody::btRigidBodyConstructionInfo ci(mass, mState, shape, inertia);
rigidBody = new btRigidBody(ci);
rigidBody->setActivationState(DISABLE_DEACTIVATION);
rigidBody->setRestitution(defaultRestitution);
rigidBody->setDamping(0, 0);
rigidBody->setFriction(defaultFriction);
setVelX(speedX);
setVelY(speedY);
this->radius = radius;
this->color = color;
this->isActive = isActive;
objectType = OBJECT_TYPE_BALL;
}
void PhysicsComponent::correctPosition(GameObject& other, Scene& scene, Axis axis)
{
ColliderComponent* otherCollider = other.getComponent<ColliderComponent>();
switch(axis)
{
case Axis::X:
if (isMovingLeft())
{
owner_.setPosX(otherCollider->getRight() - collider_->getOffsetX());
}
else
{
owner_.setPosX(otherCollider->getLeft() - collider_->getWidth() - collider_->getOffsetX());
}
setVelX(0.0f);
break;
case Axis::Y:
if (isMovingUp())
{
owner_.setPosY(otherCollider->getBottom() - collider_->getOffsetY());
}
else
{
owner_.setPosY(otherCollider->getTop() - collider_->getHeight() - collider_->getOffsetY());
falling_ = false;
}
setVelY(0.0f);
break;
default:
__debugbreak();
break;
}
}
Entity Block::getBlock()
{
// set position
auto pos = new CPosition;
pos->setX(32);
pos->setY(32);
E.addComponent(std::type_index(typeid(CPosition)), pos);
// set sprite from a spritesheet
auto spr = new CSprite;
spr->setSize(32);
spr->setSprite(this->getSprite(0, 0)); // coordinates in spritesheet
E.addComponent(std::type_index(typeid(CSprite)), spr);
// set state (0 = moveable)
auto sta = new CState;
sta->setS(0);
E.addComponent(std::type_index(typeid(CState)), sta);
// set velocity
auto vel = new CVelocity;
vel->setVelX(32);
vel->setVelY(32);
E.addComponent(std::type_index(typeid(CVelocity)), vel);
return E;
}
void swarm::chaseBuggy(boundingBox bBox)
{
boundingBox * tb = new boundingBox();
tb->initBox(b->getX() - 250, b->getY() - 250, b->getWidth() + 350, b->getHeight() + 350);
if (tb->checkIntersect(bBox))
{
intersect = true;
if (b->getLeft() < bBox.getLeft() && b->getRight() > bBox.getRight() && b->getY() < bBox.getY())
{
setVelY(2);
}
if (b->getLeft() < bBox.getLeft() && b->getRight() > bBox.getRight() && b->getY() > bBox.getY())
{
setVelY(-2);
}
if (b->getTop() < bBox.getTop() && b->getBottom() > bBox.getBottom() && b->getX() > bBox.getX())
{
setVelX(-2);
}
if (b->getTop() < bBox.getTop() && b->getBottom() > bBox.getBottom() && b->getRight() < bBox.getX())
{
setVelX(2);
}
}
else
{
intersect = false;
}
if (!intersect)
{
if (getPosY() > VIEWPORT_UP + 40)
{
setVelY(-2);
}
else
{
setVelX(0);
}
}
}
void SimObject::calculateGravity(SimObject* anotherObject, double delta, double gravityRadialForce) {
double distance = distanceBetween(this, anotherObject);
if(distance == 0) return;
double force = gravityRadialForce * getMass() * anotherObject->getMass() / (distance*distance);
double forceX = (anotherObject->getX() - getX()) / distance * force;
double forceY = (anotherObject->getY() - getY()) / distance * force;
double velX = getVelX();
double velY = getVelY();
velX += forceX / getMass() * delta;
velY += forceY / getMass() * delta;
setVelX(velX);
setVelY(velY);
}
void Hero::moveDown()
{
if(y >= (mTotalHeight / 8) + sHEIGHT)
{
}
else
{
animationRow = 3;
setVelY(5);
dirY = 1;
}
}
void Hero::moveUp()
{
if(y <= 0 + 15 + (mTotalHeight / 8))
{
}
else
{
animationRow = 0;
setVelY(5);
dirY = -1;
}
}
void TREnemy::moveRandom(){
if(randrem >= 30){
int curdir = rand()%4;
setDirection(curdir);
if(curdir == TRDirectionUp){
setVelY(-vel);
setVelX(0);
}else if(curdir == TRDirectionLeft){
setVelX(-vel);
setVelY(0);
}else if(curdir == TRDirectionRight){
setVelX(vel);
setVelY(0);
}else{
setVelX(0);
setVelY(vel);
}
randrem = 0;
return;
}
randrem++;
TRSprite::move();
}
void MobileEntity::placeAtEdge(const GameEntity& g)
{
///@todo implement
// collision detection for walls - so that the player can "land" on them and run into them
// perhaps abstract it to the Mobileentity level because other mobile entities will need hit detection for walls as well
CollisionBox b1=getHitBox();
CollisionBox b2=g.getHitBox();
//Tells whether or not the midpoint is at all within the mid point of the other box
vec3 d1=b1.getTranslate()-getVel()-b1.getDimensions()/3-b2.getPoint1();
vec3 d2=b1.getTranslate()-getVel()+b1.getDimensions()/3-b2.getPoint2();
vec3 midDist=b1.getTranslate()-b2.getTranslate();
bool midInX=(d1.x>0)!=(d2.x>0);
bool midInY=(d1.y>0)!=(d2.y>0);
bool midInZ=(d1.z>0)!=(d2.z>0);
if(!midInX&&!midInY&&getVel().z==0||
!midInX&&!midInZ&&getVel().y==0||
!midInZ&&!midInY&&getVel().x==0
)
return;
vec3 newPos;
//within the "x prism"
float dir=0;
float EASE_VAL=.05;
float EASE_SCALE_VAL=3.0;
if(midInY&&midInZ||!midInX){
if(midDist.x!=0)dir=midDist.x/abs(midDist.x);
else dir=0;
if(abs(d1.x)>b1.getDimensions().x/EASE_SCALE_VAL||abs(d2.x)>b1.getDimensions().x/EASE_SCALE_VAL)dir=0;
if(abs(d1.x)<abs(d2.x)){
if(getVel().x<0)
{
newPos.x=b2.getPoint1().x+b1.getDimensions().x/2;
}
}else{
if(getVel().x>0)
{
newPos.x=b2.getPoint2().x-b1.getDimensions().x/2;
}
}
if(newPos.x!=0){
setTranslateX(newPos.x);
setVelX(0);
}
translate(EASE_VAL*dir,0,0);
}
//within the "y prism"
if(midInX&&midInZ||!midInY){
if(midDist.y!=0)dir=midDist.y/abs(midDist.y);
else dir=0;
if(abs(d1.y)>b1.getDimensions().y/EASE_SCALE_VAL||abs(d2.y)>b1.getDimensions().y/EASE_SCALE_VAL)dir=0;
if(abs(d1.y)<abs(d2.y)){
if(getVel().y<0)
{
newPos.y=b2.getPoint1().y+b1.getDimensions().y/2;
_jumpCount=1;
}
}else{
if(getVel().y>0)
{
newPos.y=b2.getPoint2().y-b1.getDimensions().y/2;
}
}
if(newPos.y!=0){
setTranslateY(newPos.y);
setVelY(0);
}
setVel(getVel()*.85);
if(dot(getVel(),getVel())<.01){
setVel(0,0,0);
}
translate(0,EASE_VAL*dir,0);
}
//within the "z prism"
if(midInX&&midInY||!midInZ){
if(midDist.y!=0)dir=midDist.y/abs(midDist.y);
else dir=0;
if(abs(d1.z)>b1.getDimensions().z/EASE_SCALE_VAL||abs(d2.z)>b1.getDimensions().z/EASE_SCALE_VAL)dir=0;
if(abs(d1.z)<abs(d2.z)){
if(getVel().z<0)
{
newPos.z=b2.getPoint1().z+b1.getDimensions().z/2;
}
}else{
if(getVel().z>0)
{
newPos.z=b2.getPoint2().z-b1.getDimensions().z/2;
}
}
if(newPos.z!=0){
setTranslateZ(newPos.z);
setVelZ(0);
}
translate(0,0,EASE_VAL*dir);
}
vec3 v=getTranslate()-newPos;
}
