protected bool ColDetect(Ninja plr)
{
if (gameWon) {
if(Input.anyKey){
Application.LoadLevel ("menu");
foreach (GameObject o in Object.FindObjectsOfType<GameObject>()) {
Destroy(o);}
Application.LoadLevel ("menu");
}
return false;
}
bool hitflag=false;
int polyIndex = -1;//to keep record of which polygon caused the collision
int hitIndex = -1;//to keep record of which side of the polygon caused collision
SPoint[] plBox, plLast;
bool retFlag=false;//holds the return value
//this loads plBox[] and plLast[] with the player's hitboc this
//and last frame respectively
int hbLen=4;
SPoint posDiff = new SPoint(plr.GetPos().x-plr.GetLastPos().x, plr.GetPos().y-plr.GetLastPos().y);
if(posDiff.SqDistFromOrigin()!=0){
plBox = plr.GetCurrentColBox();
plLast=plr.GetCurrentColBox();
hbLen = 6;
for(int i=0;i<hbLen;i++){
plLast[i].x-=posDiff.x;
plLast[i].y-=posDiff.y;
}
}else{
plBox = plr.GetHitBox();
plLast=plr.GetHitBox();
hbLen=4;
}
if((plr.GetPos().x>9)&&(plr.GetPos().x-posDiff.x<9))
hbLen= hbLen;
SPoint hld;
float[] plAng = new float[hbLen];
for(int i=0;i<hbLen-1;i++){
plAng[i]= new SPoint(plBox[i].x-plBox[i+1].x,plBox[i].y-plBox[i+1].y).GetDir();
}
plAng[hbLen-1] = new SPoint(plBox[hbLen-1].x-plBox[0].x,plBox[hbLen-1].y-plBox[0].y).GetDir();
// FillCollisionBox(plBox, plr->GetPos(), plr->stats.size.y, plr->stats.size.x);
// FillCollisionBox(plLast, plr->stats.motion.lastPos, plr->stats.size.y, plr->stats.size.x);
//set up angles here for easy acces along with the hitboxes above.
for(int i = 0; i < tBox.iLength; i++){
hitflag = true;//assume true, then prove false.
for(int j = 0; j < tBox.GetJlength(i); j++)
if(!plr.CheckAxis(tBox.GetSPoint(i, j), tBox.GetAng(i, j), plBox,tBox.pBounds[i], hbLen, tBox.jLength[i])){ //no axis intersection
hitflag = false;
j=tBox.GetJlength(i);//exit loop early
}
if(hitflag)//possible collision; check against other polygon axise
for(int j = 0; j < hbLen; j++){
if(!plr.CheckAxis(plBox[j], plAng[j], plBox, tBox.pBounds[i], hbLen, tBox.jLength[i])){ //no axis intersection
hitflag = false;
j=hbLen;//exit loop early
}
}
if(hitflag){//all checks are done, collision is sure
polyIndex = i;//keep record of the last polygon caused the flag
i=tBox.iLength;//Collision detected, end loop early
}
}
SPoint prV=new SPoint();
SPoint pCtr;
//extra added to detect and destroy any projectiles on-screen
int cv;
bool pHitFlag = true;
float flAng = 1.55f;
if(polyIndex!=-1){
//hitflag = true;//force to true to return
retFlag=true;
//see which side has collided
for(int i = 0; i < tBox.GetJlength(polyIndex); i++){
if(!plr.CheckAxis(tBox.GetSPoint(polyIndex, i), tBox.GetAng(polyIndex, i), plLast, tBox.pBounds[polyIndex], hbLen, tBox.jLength[polyIndex])){
hitIndex = i;
i=tBox.GetJlength(polyIndex);//end loop prematurely
}
}
bool pAxisFlag=false;
if(hitIndex == -1){
for(int i = 0; i < hbLen; i++){//check player angs to find the axis
if(!plr.CheckAxis(plLast[i], plAng[i], plLast, tBox.pBounds[polyIndex], hbLen, tBox.jLength[polyIndex]) ){
hitIndex = i;
pAxisFlag = true;
}
}//do collision detection again for this particular index on the polygon
}//to get the exit vector
SPoint axP = new SPoint();
if(hitIndex>=0){
if (!pAxisFlag){//using poly axis
axP = ExitDist(polyIndex, tBox.GetSPoint(polyIndex, hitIndex), tBox.GetAng(polyIndex, hitIndex), plr, 0);
flAng=tBox.GetAng(polyIndex, hitIndex);
}
else{//using player axis
axP = ExitDist(polyIndex, plBox[hitIndex], plAng[hitIndex], plr, 0);
flAng=plAng[hitIndex];
}
if ((axP.x == 0) && (axP.y == 0))
{
polyIndex = polyIndex;// V-jank fix, add a check to get this answer in the first place
axP = ExitDist(polyIndex, tBox.GetSPoint(polyIndex, hitIndex+2), tBox.GetAng(polyIndex, hitIndex+2), plr, 0);
}
}else
retFlag=false;
if (polyIndex == 2)
polyIndex = 2;
if (polyIndex == 1)
polyIndex = 1;
plr.stats.motion.pos.x+=axP.x;
plr.stats.motion.pos.y+=axP.y;
//for walking
float axAng = Mathf.Atan2(axP.y, axP.x);
float wallAng = Mathf.Atan2(plr.GetVel().y, plr.GetVel().x);
float wallDist = Mathf.Sqrt(Mathf.Pow(plr.GetVel().x, 2) + Mathf.Pow(plr.GetVel().y, 2) );
wallAng -= axAng;
//separate cases for wall collision
//depend on whether player is tumbling
//non-reounding
if((axAng>0)&&(axAng < Mathf.PI))
plr.Land(flAng);
plr.stats.motion.vel.x -= Mathf.Cos(wallAng)*wallDist*Mathf.Cos(axAng);
plr.stats.motion.vel.y -= Mathf.Cos(wallAng)*wallDist*Mathf.Sin(axAng);
if (( Mathf.Abs( Mathf.Abs(axAng) - Mathf.PI )< 0.1f) && (plr.fHelper.airborne))
plr.WallHang(axAng);
else if ((Mathf.Abs(axAng) < 0.1f) && (plr.fHelper.airborne))
plr.WallHang(axAng);
}
if ((!plr.fHelper.airborne)&&(!retFlag)&&(!plr.tPortFlag))
if(!GroundTrack(plr))//ground tracking done here
plr.Fall();
if((plr.GetPos().x > uBound.x)||(plr.GetPos().y > uBound.y)||(plr.GetPos().x < lBound.x)||(plr.GetPos().y < lBound.y)){
if((plr.stats.stocks>0)||(!matchModeOn)){
//SetPlStart(plr);
plr.stats.stocks--;
plr.stats.motion.vel = new SPoint(0,0);
plr.stats.damage=0;}
}
if (retFlag)
ColDetect (plr);
return retFlag;
}
public bool GroundTrack(Ninja plr)
{
//specialized collision detection function
//ensures the Ninja keeps flush with the floor
bool hitflag = true;
bool indflag = true;
bool pAxisFlag = false;
float hitInd = -1;
int polyIndex = -1;
SPoint[] plBox = new SPoint[4];
SPoint[] plLast = new SPoint[4];
for(int i=0;i<4;i++){
plBox[i]=new SPoint();
plLast[i]=new SPoint();
}
float[] plAng = {0, Mathf.PI/2, Mathf.PI, -Mathf.PI/2};
int hbLen=4;
//modified from colision detect to move the player down
FillCollisionBox(plBox, new SPoint(plr.GetPos().x, plr.GetPos().y-plr.stats.size.y/2), plr.stats.size.y, plr.stats.size.x);
FillCollisionBox(plLast, new SPoint(plr.GetPos().x, plr.GetPos().y+plr.stats.size.y/2), plr.stats.size.y, plr.stats.size.x);
//holds default angles
for(int i = 0; i < tBox.iLength; i++){
hitflag = true;
for(int j = 0; j < tBox.GetJlength(i); j++)
if(!plr.CheckAxis(tBox.GetSPoint(i, j), tBox.GetAng(i, j), plBox,tBox.pBounds[i], hbLen, tBox.jLength[i]) ) //no axis intersection
hitflag = false;
if(hitflag)
for(int j = 0; j < 4; j++)
if(!plr.CheckAxis(plBox[j], plAng[j], plBox,tBox.pBounds[i], hbLen, tBox.jLength[i]) ) //no axis intersection
hitflag = false;
if(hitflag)
polyIndex = i;
}
int hitIndex = -1;
if(polyIndex >= 0){
hitflag = true;
float moveDist = 0;
for(int i = 0; i < tBox.GetJlength(polyIndex); i++){
if(!plr.CheckAxis(tBox.GetSPoint(polyIndex, i), tBox.GetAng(polyIndex, i), plLast,tBox.pBounds[polyIndex], hbLen, tBox.jLength[polyIndex])){
hitIndex = i;
}
}
if(hitIndex == -1){
//check player angs to find the axis
for(int i = 0; i < 4; i++){
if(!plr.CheckAxis(plLast[i], plAng[i], plLast, tBox.pBounds[polyIndex], hbLen, tBox.jLength[polyIndex]) ){
hitIndex = i;
pAxisFlag = true;
}
}
}
bool floorHit = false;
SPoint floorVec=new SPoint(0,0);
plr.stats.motion.pos.y-=plr.stats.size.y/2;
if(!pAxisFlag)
floorVec = ExitDist(polyIndex, tBox.GetSPoint(polyIndex, hitIndex), tBox.GetAng(polyIndex, hitIndex), plr, -1);
else
floorVec = ExitDist(polyIndex, plBox[hitIndex], plAng[hitIndex], plr, -1);
float wallAng = Mathf.Atan2(floorVec.y, floorVec.x)-Mathf.PI/2;
float wallDist=Mathf.Sqrt(floorVec.SqDistFromOrigin());
if((floorVec.x==0)&&(floorVec.y==0))
plr.stats.motion.pos.y+=plr.stats.size.y/2;
else if(Mathf.Cos(wallAng)!=0){
plr.stats.motion.pos.y+=(wallDist)/Mathf.Cos(wallAng);
floorHit=true;
}
else{
plr.stats.motion.pos.y+=plr.stats.size.y/2;
floorHit=true;
}
if((floorHit)&&(!plr.fHelper.airborne)){
plr.Land(tBox.GetAng(polyIndex, hitIndex));
return true;
}
}
return false;
}