void Players::resetState()
{
setX(50);
setY(50);
setZ(0);
setVX(0);
setVY(0);
setVZ(0);
setState(this->getBottomFloorState());
}
void Problem::followPath()
{
advance++;
if (advance < 100 / speed)
setVY(speed);
else if (advance < (100 + 200) / speed)
{
setVY(0);
setVX(speed);
}
else if (advance < (300 + 100) / speed)
{
setVX(0);
setVY(speed);
}
else if (advance < (400 + 400) / speed)
{
setVY(0);
setVX(-speed);
}
else if (advance < (800 + 200) / speed)
{
setVX(0);
setVY(speed);
}
else if (advance < (1000 + 400) / speed)
{
setVY(0);
setVX(speed);
}
else if (advance < (1400 + 200) / speed)
{
setVX(0);
setVY(-speed);
}
else if (advance < (1600 + 200) / speed)
{
setVY(0);
setVX(-speed);
}
else if (advance < (1800 + 200) / speed)
{
setVX(0);
setVY(speed);
}
else if (advance < (2000 + 300) / speed)
{
setVY(0);
setVX(-speed);
}
else if (advance < (2300 + 200) / speed)
{
setVX(0);
setVY(speed);
}
else
{
setVX(0);
setVY(speed);
}
}
void Players::handleCollision( Objects *obj)
{
//check it's a valid request
if( obj == NULL )
return;
int objRight_X=obj->getX() + obj->getWidth()/2;
int objLeft_X=obj->getX()- obj->getWidth()/2;
int objHigh_Y=obj->getY() + obj->getHeight()/2;
int objLow_Y=obj->getY() - obj->getHeight()/2;
int dx = preX-x;
int dy = preY-y;
//int dz = z=preZ;
int pRight_X=preX+HALF_WID;
int pLeft_X=preX-HALF_WID;
int pHigh_Y=preY+HALF_HEI;
int pLow_Y=preY-HALF_HEI;
if( 0==dy && ( state == getBottomFloorState()
|| state == getHighFloorState() )){
//align X
setVX(0);
/* if(dx>0){
//right collision
setX(objLeft_X);
}else if(dx<0){
//left collision
setX(objRight_X);
}else{
std::cerr<<"error dx=0"<<std::endl;
}*/
//overlap X test
if( x+HALF_WID <= objRight_X ){
//align X, left collided
setX(objLeft_X-HALF_WID);
//set VX =0
setVX(0);
}else if(x-HALF_WID >= objLeft_X ){
//align X, right collided
setX(objRight_X+HALF_WID);
//set VX =0
setVX(0);
}
}else if( state == getJumpingState()
||state == getFallState() ){
// Determine R|L or U|D collision
// Use overlapping area to check
//overlap Y test
if( pHigh_Y <= objLow_Y ){
//align Y, lowwer
setY(objLow_Y-HALF_HEI);
//set VX =0
setVY(0);
}else if(pLow_Y >= objHigh_Y ){
//align Y, upper
setY(objHigh_Y+HALF_HEI);
//set VX =0
setVY(0);
if(y < 2*obj->getHeight() )
setState(getBottomFloorState());
else
setState(getHighFloorState());
}
bool yAreaStillOverlap = (y-HALF_HEI < objHigh_Y)&&(y-HALF_HEI > objLow_Y)
|| (y+HALF_HEI < objHigh_Y)&&(y+HALF_HEI > objLow_Y) ;
//overlap X test
if( yAreaStillOverlap && pLeft_X <= objRight_X ){
//align X, left collided
setX(objLeft_X-HALF_WID);
//set VX =0
setVX(0);
}else if(yAreaStillOverlap && pRight_X >= objLeft_X ){
//align X, right collided
setX(objRight_X+HALF_WID);
//set VX =0
setVX(0);
}
/*
if( dy ){
// up/down collision
if( dy >=0 ){
// up collided
// align Y
setY(objLow_Y-HALF_HEI);
setVY(-1*getVY());
}else{
// dy <0
// falling
//align Y
setY(objHigh_Y+HALF_HEI);
setVY(0);
}
}else{
// R|L collision
//align X
if(preX > obj->getX() ){
setX(objLeft_X-HALF_WID);
}else if(preX < obj->getX() ){
setX(objRight_X+HALF_WID);
}else{
std::cerr<<"logic error"<<std::endl;
}
//reset VY
setVY(0);
}
*/
}else {
}
/*
//first check X-Axis
// left
// [--O--]
// [--P--]
bool xLCol=objRight_X > pLeft_X && pLeft_X >= objLeft_X ;
// right
// [--O--]
//[--P--]
bool xRCol= (!xLCol) && ( pRight_X > objLeft_X && objRight_X > pRight_X ) ;
//check Y-Axis
// p
// |
// v
// obj
bool yFallCol=pLow_Y > objLow_Y && objHigh_Y > pLow_Y;
// obj
// ^
// |
// p
bool yJumpCol=(!yFallCol)&&(state!= getFallState() &&pHigh_Y > objLow_Y && objHigh_Y > pHigh_Y);
if( (xLCol||xRCol) && (yFallCol||yJumpCol) ){
if(xLCol){
setVX(0);
//if player is falling, not allign x-axis
if(getVY()==0)
setX(objRight_X+getHalfWidth());
}else{
//X R collision
setVX(0);
//if player is falling, not allign x-axis
if(getVY()==0)
setX(objLeft_X-getHalfWidth());
}
if(yJumpCol){
if(getVY()>0)
setVY(-1*getVY());
}else{
//Y bottom
if( getY() > obj->getHeight()+getHalfHeight() )
setState(Players::getHighFloorState() );
else
setState(Players::getBottomFloorState() );
setVY(0);
setY(objHigh_Y+getHalfHeight());
}
}
*/
}
void Players::performFalling(const long MS)
{
state=getFallState();
setVY(getVY() - 0.002 * MS);
y += vy * MS;
}
