double Angle2 (Vector2 vector1, Vector2 vector2, AngleMode mode)
{
double angle = acos (Dot2 (vector1, vector2) / (Mag2 (vector1) * Mag2 (vector2))); // Angle in given mode between two vectors
switch (mode) // Get the angle mode
{
case kDegrees: // Degrees case
angle = RADTODEG(angle);
// Convert angle to radians
break; // Break out of switch statement
case kGradians: // Gradians case
angle = RADTOGRAD(angle);
// Convert angle to radians
break; // Break out of switch statement
case kRadians: // Radians case
break; // Break out of switch statement
default:
NOBREAK_MESSAGE("Unsupported mode: Angle2 failed","1");
angle = 0.0;// Invalid case
break; // Break out of switch statement
}
return angle;
// Return the angle between vectors in radians
}
Point2 Projection2 (Point2 point, Vector2 base)
{
double scalar; // Storage for vector scalar
Point2 projection; // Point of projection to be returned
Vector2 vector = CastToVector2 (point); // Point cast as vector
scalar = Dot2 (vector, base) / (Mag2 (base) * Mag2 (base));
// Compute scalar
projection.x = (float) (scalar * base.x); // Calculate x coordinate
projection.y = (float) (scalar * base.y); // Calculate y coordinate
return projection;
// Return point of projection
}
PetscErrorCode ComputeJacobian_LS(DM dm, Vec locX, PetscInt cell, PetscScalar CellValues[], void *ctx)
{
User user = (User) ctx;
Physics phys = user->model->physics;
PetscInt dof = phys->dof;
const PetscScalar *facegeom, *cellgeom,*x;
PetscErrorCode ierr;
DM dmFace, dmCell;
DM dmGrad = user->dmGrad;
PetscInt fStart, fEnd, face, cStart;
Vec locGrad, locGradLimiter, Grad;
/*here the localGradLimiter refers to the gradient that has been multiplied by the limiter function.
The locGradLimiter is used to construct the uL and uR, and the locGrad is used to caculate the diffusion term*/
Vec TempVec; /*a temperal vec for the vector restore*/
PetscFunctionBeginUser;
ierr = VecGetDM(user->facegeom,&dmFace);CHKERRQ(ierr);
ierr = VecGetDM(user->cellgeom,&dmCell);CHKERRQ(ierr);
ierr = DMGetGlobalVector(dmGrad,&Grad);CHKERRQ(ierr);
ierr = VecDuplicate(Grad, &TempVec);CHKERRQ(ierr);
ierr = VecCopy(Grad, TempVec);CHKERRQ(ierr);
/*Backup the original vector and use it to restore the value of dmGrad,
because I do not want to change the values of the cell gradient*/
ierr = VecGetArrayRead(user->facegeom,&facegeom);CHKERRQ(ierr);
ierr = VecGetArrayRead(user->cellgeom,&cellgeom);CHKERRQ(ierr);
ierr = VecGetArrayRead(locX,&x);CHKERRQ(ierr);
ierr = DMPlexGetHeightStratum(dm, 1, &fStart, &fEnd);CHKERRQ(ierr);
ierr = DMPlexGetHeightStratum(dm, 0, &cStart, NULL);CHKERRQ(ierr);
{
PetscScalar *grad;
ierr = VecGetArray(Grad,&grad);CHKERRQ(ierr);
/* Limit interior gradients. Using cell-based loop because it generalizes better to vector limiters. */
const PetscInt *faces;
PetscInt numFaces,f;
PetscReal *cellPhi; /* Scalar limiter applied to each component separately */
const PetscScalar *cx;
const CellGeom *cg;
PetscScalar *cgrad;
PetscInt i;
ierr = PetscMalloc(phys->dof*sizeof(PetscScalar),&cellPhi);CHKERRQ(ierr);
ierr = DMPlexGetConeSize(dm,cell,&numFaces);CHKERRQ(ierr);
ierr = DMPlexGetCone(dm,cell,&faces);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dm,cell,x,&cx);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmCell,cell,cellgeom,&cg);CHKERRQ(ierr);
ierr = DMPlexPointGlobalRef(dmGrad,cell,grad,&cgrad);CHKERRQ(ierr);
/* Limiter will be minimum value over all neighbors */
for (i=0; i<dof; i++) {
cellPhi[i] = PETSC_MAX_REAL;
}
for (f=0; f<numFaces; f++) {
const PetscScalar *ncx;
const CellGeom *ncg;
const PetscInt *fcells;
PetscInt face = faces[f],ncell;
PetscScalar v[DIM];
PetscBool ghost;
ierr = IsExteriorGhostFace(dm,face,&ghost);CHKERRQ(ierr);
if (ghost) continue;
ierr = DMPlexGetSupport(dm,face,&fcells);CHKERRQ(ierr);
ncell = cell == fcells[0] ? fcells[1] : fcells[0]; /*The expression (x ? y : z) has the value of y if x is nonzero, z otherwise */
ierr = DMPlexPointLocalRead(dm,ncell,x,&ncx);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmCell,ncell,cellgeom,&ncg);CHKERRQ(ierr);
Waxpy2(-1, cg->centroid, ncg->centroid, v);
for (i=0; i<dof; i++) {
/* We use the symmetric slope limited form of Berger, Aftosmis, and Murman 2005 */
PetscScalar phi,flim = 0.5 * (ncx[i] - cx[i]) / Dot2(&cgrad[i*DIM],v);
phi = (*user->LimitGrad)(flim);
cellPhi[i] = PetscMin(cellPhi[i],phi);
}
}
/* Apply limiter to gradient */
for (i=0; i<dof; i++) Scale2(cellPhi[i],&cgrad[i*DIM],&cgrad[i*DIM]);
ierr = PetscFree(cellPhi);CHKERRQ(ierr);
ierr = VecRestoreArray(Grad,&grad);CHKERRQ(ierr);
}
ierr = DMGetLocalVector(dmGrad,&locGradLimiter);CHKERRQ(ierr);
ierr = DMGlobalToLocalBegin(dmGrad,Grad,INSERT_VALUES,locGradLimiter);CHKERRQ(ierr);
ierr = DMGlobalToLocalEnd(dmGrad,Grad,INSERT_VALUES,locGradLimiter);CHKERRQ(ierr);
ierr = VecCopy(TempVec, Grad);CHKERRQ(ierr);/*Restore the vector*/
ierr = DMGetLocalVector(dmGrad,&locGrad);CHKERRQ(ierr);
ierr = DMGlobalToLocalBegin(dmGrad,Grad,INSERT_VALUES,locGrad);CHKERRQ(ierr);
ierr = DMGlobalToLocalEnd(dmGrad,Grad,INSERT_VALUES,locGrad);CHKERRQ(ierr);
ierr = DMRestoreGlobalVector(dmGrad,&Grad);CHKERRQ(ierr);
ierr = VecDestroy(&TempVec);CHKERRQ(ierr);
{
const PetscScalar *grad, *gradlimiter;
ierr = VecGetArrayRead(locGrad,&grad);CHKERRQ(ierr);
ierr = VecGetArrayRead(locGradLimiter,&gradlimiter);CHKERRQ(ierr);
for (face=fStart; face<fEnd; face++) {
const PetscInt *cells;
PetscInt ghost,i,j;
PetscScalar *fluxcon, *fluxdiff, *fx[2];
const FaceGeom *fg;
const CellGeom *cg[2];
const PetscScalar *cx[2],*cgrad[2], *cgradlimiter[2];
PetscScalar *uL, *uR;
PetscReal FaceArea;
ierr = PetscMalloc(phys->dof * phys->dof * sizeof(PetscScalar), &fluxcon);CHKERRQ(ierr); /*For the convection terms*/
ierr = PetscMalloc(phys->dof * phys->dof * sizeof(PetscScalar), &fluxdiff);CHKERRQ(ierr); /*For the diffusion terms*/
ierr = PetscMalloc(phys->dof * sizeof(PetscScalar), &uL);CHKERRQ(ierr);
ierr = PetscMalloc(phys->dof * sizeof(PetscScalar), &uR);CHKERRQ(ierr);
fx[0] = uL; fx[1] = uR;
ierr = DMPlexGetLabelValue(dm, "ghost", face, &ghost);CHKERRQ(ierr);
if (ghost >= 0) continue;
ierr = DMPlexGetSupport(dm, face, &cells);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmFace,face,facegeom,&fg);CHKERRQ(ierr);
for (i=0; i<2; i++) {
PetscScalar dx[DIM];
ierr = DMPlexPointLocalRead(dmCell,cells[i],cellgeom,&cg[i]);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dm,cells[i],x,&cx[i]);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmGrad,cells[i],gradlimiter,&cgradlimiter[i]);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmGrad,cells[i],grad,&cgrad[i]);CHKERRQ(ierr);
Waxpy2(-1,cg[i]->centroid,fg->centroid,dx);
for (j=0; j<dof; j++) {
fx[i][j] = cx[i][j] + Dot2(cgradlimiter[i],dx);
}
/*fx[0] and fx[1] are the value of the variables on the left and right
side of the face, respectively, that is u_L and u_R.*/
}
ierr = RiemannSolver_Rusanov_Jacobian(user, cgrad[0], cgrad[1], fg->centroid, cg[0]->centroid, cg[1]->centroid, fg->normal,
fx[0], fx[1], fluxcon, fluxdiff);CHKERRQ(ierr);
ierr = DMPlexComputeCellGeometryFVM(dm, face, &FaceArea, NULL, NULL);CHKERRQ(ierr);
/*Compute the face area*/
for (i=0; i<phys->dof; i++) {
for (j=0; j<phys->dof; j++) {
if(cells[0]<user->cEndInterior) CellValues[cells[0]*dof*dof + i*dof + j] -= cells[0]*1.0;
if(cells[1]<user->cEndInterior) CellValues[cells[1]*dof*dof + i*dof + j] += cells[1]*1.2;
}
}
// ierr = PetscPrintf(PETSC_COMM_WORLD,"\n");CHKERRQ(ierr);
ierr = PetscFree(fluxcon);CHKERRQ(ierr);
ierr = PetscFree(fluxdiff);CHKERRQ(ierr);
ierr = PetscFree(uL);CHKERRQ(ierr);
ierr = PetscFree(uR);CHKERRQ(ierr);
}
ierr = VecRestoreArrayRead(locGrad,&grad);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(locGradLimiter,&gradlimiter);CHKERRQ(ierr);
}
ierr = VecRestoreArrayRead(user->facegeom,&facegeom);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(user->cellgeom,&cellgeom);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(locX,&x);CHKERRQ(ierr);
ierr = DMRestoreLocalVector(dmGrad,&locGradLimiter);CHKERRQ(ierr);
ierr = DMRestoreLocalVector(dmGrad,&locGrad);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
/**
Caculate the flux using the Monotonic Upstream-Centered Scheme for Conservation Laws (van Leer, 1979)
*/
PetscErrorCode CaculateLocalFunction_LS(DM dm,DM dmFace,DM dmCell,PetscReal time,Vec locX,Vec F,User user)
{
DM dmGrad = user->dmGrad;
Model mod = user->model;
Physics phys = mod->physics;
const PetscInt dof = phys->dof;
PetscErrorCode ierr;
const PetscScalar *facegeom, *cellgeom, *x;
PetscScalar *f;
PetscInt fStart, fEnd, face, cStart, cell;
Vec locGrad, locGradLimiter, Grad;
/*
Here the localGradLimiter refers to the gradient that
has been multiplied by the limiter function.
The locGradLimiter is used to construct the uL and uR,
and the locGrad is used to caculate the diffusion term
*/
Vec TempVec; /*a temperal vec for the vector restore*/
PetscFunctionBeginUser;
ierr = DMGetGlobalVector(dmGrad,&Grad);CHKERRQ(ierr);
ierr = VecDuplicate(Grad, &TempVec);CHKERRQ(ierr);
ierr = VecCopy(Grad, TempVec);CHKERRQ(ierr);
/*
Backup the original vector and use it to restore the value of dmGrad,
because I do not want to change the values of the cell gradient.
*/
ierr = VecGetArrayRead(user->facegeom,&facegeom);CHKERRQ(ierr);
ierr = VecGetArrayRead(user->cellgeom,&cellgeom);CHKERRQ(ierr);
ierr = VecGetArrayRead(locX,&x);CHKERRQ(ierr);
ierr = DMPlexGetHeightStratum(dm, 1, &fStart, &fEnd);CHKERRQ(ierr);
ierr = DMPlexGetHeightStratum(dm, 0, &cStart, NULL);CHKERRQ(ierr);
{
PetscScalar *grad;
ierr = VecGetArray(Grad,&grad);CHKERRQ(ierr);
const PetscInt *faces;
PetscInt numFaces,f;
PetscReal *cellPhi; // Scalar limiter applied to each component separately
const PetscScalar *cx;
const CellGeom *cg;
PetscScalar *cgrad;
PetscInt i;
ierr = PetscMalloc(phys->dof*sizeof(PetscScalar),&cellPhi);CHKERRQ(ierr);
// Limit interior gradients. Using cell-based loop because it generalizes better to vector limiters.
for (cell=cStart; cell<user->cEndInterior; cell++) {
ierr = DMPlexGetConeSize(dm,cell,&numFaces);CHKERRQ(ierr);
ierr = DMPlexGetCone(dm,cell,&faces);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dm,cell,x,&cx);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmCell,cell,cellgeom,&cg);CHKERRQ(ierr);
ierr = DMPlexPointGlobalRef(dmGrad,cell,grad,&cgrad);CHKERRQ(ierr);
if (!cgrad) continue; // ghost cell, we don't compute
// Limiter will be minimum value over all neighbors
for (i=0; i<dof; i++) cellPhi[i] = PETSC_MAX_REAL;
for (f=0; f<numFaces; f++) {
const PetscScalar *ncx;
const CellGeom *ncg;
const PetscInt *fcells;
PetscInt face = faces[f],ncell;
PetscScalar v[DIM];
PetscBool ghost;
ierr = IsExteriorGhostFace(dm,face,&ghost);CHKERRQ(ierr);
if (ghost) continue;
ierr = DMPlexGetSupport(dm,face,&fcells);CHKERRQ(ierr);
ncell = cell == fcells[0] ? fcells[1] : fcells[0];
// The expression (x ? y : z) has the value of y if x is nonzero, z otherwise
ierr = DMPlexPointLocalRead(dm,ncell,x,&ncx);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmCell,ncell,cellgeom,&ncg);CHKERRQ(ierr);
Waxpy2(-1, cg->centroid, ncg->centroid, v);
for (i=0; i<dof; i++) {
// We use the symmetric slope limited form of Berger, Aftosmis, and Murman 2005
PetscScalar phi,flim = 0.5 * (ncx[i] - cx[i]) / Dot2(&cgrad[i*DIM],v);
phi = (*user->Limit)(flim);
cellPhi[i] = PetscMin(cellPhi[i],phi);
}
}
// Apply limiter to gradient
for (i=0; i<dof; i++) Scale2(cellPhi[i],&cgrad[i*DIM],&cgrad[i*DIM]);
}
ierr = PetscFree(cellPhi);CHKERRQ(ierr);
ierr = VecRestoreArray(Grad,&grad);CHKERRQ(ierr);
}
ierr = DMGetLocalVector(dmGrad,&locGradLimiter);CHKERRQ(ierr);
ierr = DMGlobalToLocalBegin(dmGrad,Grad,INSERT_VALUES,locGradLimiter);CHKERRQ(ierr);
ierr = DMGlobalToLocalEnd(dmGrad,Grad,INSERT_VALUES,locGradLimiter);CHKERRQ(ierr);
ierr = VecCopy(TempVec, Grad);CHKERRQ(ierr);//Restore the vector
ierr = DMGetLocalVector(dmGrad,&locGrad);CHKERRQ(ierr);
ierr = DMGlobalToLocalBegin(dmGrad,Grad,INSERT_VALUES,locGrad);CHKERRQ(ierr);
ierr = DMGlobalToLocalEnd(dmGrad,Grad,INSERT_VALUES,locGrad);CHKERRQ(ierr);
ierr = DMRestoreGlobalVector(dmGrad,&Grad);CHKERRQ(ierr);
ierr = VecDestroy(&TempVec);CHKERRQ(ierr);
{
const PetscScalar *grad, *gradlimiter;
const PetscInt *cells;
PetscInt ghost,i,j;
PetscScalar *fluxcon, *fluxdiff, *fx[2],*cf[2];
const FaceGeom *fg;
const CellGeom *cg[2];
const PetscScalar *cx[2],*cgrad[2], *cgradlimiter[2];
PetscScalar *uL, *uR;
PetscReal FaceArea;
ierr = VecGetArrayRead(locGrad,&grad);CHKERRQ(ierr);
ierr = VecGetArrayRead(locGradLimiter,&gradlimiter);CHKERRQ(ierr);
ierr = VecGetArray(F,&f);CHKERRQ(ierr);
ierr = PetscMalloc(phys->dof * sizeof(PetscScalar), &fluxcon);CHKERRQ(ierr); // For the convection terms
ierr = PetscMalloc(phys->dof * sizeof(PetscScalar), &fluxdiff);CHKERRQ(ierr); // For the diffusion terms
ierr = PetscMalloc(phys->dof * sizeof(PetscScalar), &uL);CHKERRQ(ierr);
ierr = PetscMalloc(phys->dof * sizeof(PetscScalar), &uR);CHKERRQ(ierr);// Please do not put the Malloc function into a for loop!!!!
for (face=fStart; face<fEnd; face++) {
fx[0] = uL; fx[1] = uR;
ierr = DMPlexGetLabelValue(dm, "ghost", face, &ghost);CHKERRQ(ierr);
if (ghost >= 0) continue;
ierr = DMPlexGetSupport(dm, face, &cells);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmFace,face,facegeom,&fg);CHKERRQ(ierr);
for (i=0; i<2; i++) {
PetscScalar dx[DIM];
ierr = DMPlexPointLocalRead(dmCell,cells[i],cellgeom,&cg[i]);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dm,cells[i],x,&cx[i]);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmGrad,cells[i],gradlimiter,&cgradlimiter[i]);CHKERRQ(ierr);
ierr = DMPlexPointLocalRead(dmGrad,cells[i],grad,&cgrad[i]);CHKERRQ(ierr);
ierr = DMPlexPointGlobalRef(dm,cells[i],f,&cf[i]);CHKERRQ(ierr);
Waxpy2(-1,cg[i]->centroid,fg->centroid,dx);
for (j=0; j<dof; j++) {
fx[i][j] = cx[i][j] + Dot2(cgradlimiter[i],dx);
}
// fx[0] and fx[1] are the value of the variables on the left and right
// side of the face, respectively, that is u_L and u_R.
}
ierr = RiemannSolver_Rusanov(user, cgrad[0], cgrad[1], fg->centroid, cg[0]->centroid, cg[1]->centroid, fg->normal, fx[0], fx[1], fluxcon, fluxdiff);CHKERRQ(ierr);
ierr = DMPlexComputeCellGeometryFVM(dm, face, &FaceArea, NULL, NULL);CHKERRQ(ierr);
// Compute the face area
for (i=0; i<phys->dof; i++) {
if (cf[0]) cf[0][i] -= FaceArea*(fluxcon[i] + fluxdiff[i])/cg[0]->volume;
if (cf[1]) cf[1][i] += FaceArea*(fluxcon[i] + fluxdiff[i])/cg[1]->volume;
// The flux on the interface, for the cell[0], it is an outcome flux and for the cell[1], it is
// an income flux.
}
// ierr = PetscPrintf(PETSC_COMM_WORLD,"\n");CHKERRQ(ierr);
}
ierr = VecRestoreArrayRead(locGrad,&grad);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(locGradLimiter,&gradlimiter);CHKERRQ(ierr);
ierr = VecRestoreArray(F,&f);CHKERRQ(ierr);
ierr = PetscFree(fluxcon);CHKERRQ(ierr);
ierr = PetscFree(fluxdiff);CHKERRQ(ierr);
ierr = PetscFree(uL);CHKERRQ(ierr);
ierr = PetscFree(uR);CHKERRQ(ierr);
// VecView(F,PETSC_VIEWER_STDOUT_WORLD);
}
ierr = VecRestoreArrayRead(user->facegeom,&facegeom);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(user->cellgeom,&cellgeom);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(locX,&x);CHKERRQ(ierr);
ierr = DMRestoreLocalVector(dmGrad,&locGradLimiter);CHKERRQ(ierr);
ierr = DMRestoreLocalVector(dmGrad,&locGrad);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
void ColoredCubeApp::updateScene(float dt)
{
updateGameState();
if(GetAsyncKeyState(VK_ESCAPE) & 0x8000) PostQuitMessage(0);
if(gamestate == title)
{
float rad = 0.0f;
camera.update(mTheta,mPhi,rad,0,dt,player,mView,mEyePos,true);
maze.update(dt);
if(once)
{
maze.setCeilTex(mfxDiffuseMapVar,mfxSpecMapVar,L"Title Screen.jpg",L"brickwork-bump-map.jpg");
once = false;
}
ambientLight = D3DXCOLOR(1.0f,1.0f,1.0f,1.0f);
//set ceiling texture here
}
if(gamestate == controls)
{
float rad = 0.0f;
camera.update(mTheta,mPhi,rad,0,dt,player,mView,mEyePos,true);
maze.update(dt);
if(onceAgain)
{
maze.setCeilTex(mfxDiffuseMapVar,mfxSpecMapVar,L"Rules Screen.jpg",L"brickwork-bump-map.jpg");
onceAgain = false;
}
ambientLight = D3DXCOLOR(1.0f,1.0f,1.0f,1.0f);
//set ceiling texture here
}
if(gamestate == level1 || gamestate == level2)
{
ambientLight = D3DXCOLOR(0.3f, 0.03f, 0.2f, 1.0f);
if(onceAgainStart)
{
maze.setCeilTex(mfxDiffuseMapVar,mfxSpecMapVar,L"13.free-brick-textures.jpg",L"brickwork-bump-map.jpg");
onceAgainStart = false;
}
if(GetAsyncKeyState('Y') & 0x8000)
perspective = true;
else
perspective = false;
if(oldBLevel!=0 && flashLightObject.getPowerLevel()<=0)
{
audio->playCue(BATTERY_DIE);
}
oldBLevel = flashLightObject.getPowerLevel();
//check for win game conditions
auto oldP = player.getPosition();
timer -= dt;
std::wostringstream outs;
//update the camera
camera.update(mTheta,mPhi,mRadius,0,dt,player,mView,mEyePos,perspective);
//move the player
camera.movePlayer(player,30,camera.getTarget(),perspective);
player.update(dt);
Location playerLoc;
playerLoc.x = player.getPosition().x;
playerLoc.z = player.getPosition().z;
//collision detection
if(player.getPosition()!=oldP)
{
if(maze.collided(playerLoc))
{
player.setPosition(oldP);
player.setVelocity(Vector3(0,0,0));
player.update(dt);
}
}
for(int i = 0; i < numLightObjects; i++)
{
lamps[i].update(dt);
}
for(int i = 0; i < numBatteries; i++)
{
batteries[i].update(dt);
if(player.collided(&batteries[i]))
{
batteries[i].setInActive();
flashLightObject.getBattery();
audio->playCue(BATTERY_CHARGE);
}
}
if(gamestate == level1)
{
for(int i = 0; i < totalKeys; i++)
{
keyObject[i].update(dt);
if(player.collided(&keyObject[i]))
{
currentKeys++;
keyObject[i].setInActive();
audio->playCue(ITEM);
}
}
}
if(gamestate==level2)
{
for(int i = 0; i < ghosts.getNumEnemies(); i++)
{
if(flashLightObject.hitTarget(&ghosts.getEnemies()[i]))
{
ghosts.getEnemies()[i].decreaseHealth();
audio->playCue(G_HIT);
}
}
}
if(gamestate==level2)
{
if(player.collided(&endCube))
{
gamestate = win;
maze.setCeilTex(mfxDiffuseMapVar,mfxSpecMapVar,L"You Win.jpg",L"brickwork-bump-map.jpg");
maze.update(dt);
}
}
if(player.getHealth()<=0)
{
gamestate = gameover;
maze.setCeilTex(mfxDiffuseMapVar,mfxSpecMapVar,L"You Lose.jpg",L"brickwork-bump-map.jpg");
maze.update(dt);
}
endCube.update(dt);
lights[1].ambient = ambientLight;
if(gamestate == level2)
{
for(int i = 0; i < ghosts.getNumEnemies(); i++)
{
//player gets hit by a ghost
if(player.collided(&ghosts.getEnemies()[i]))
{
player.setHealth(player.getHealth()-1);
lights[1].ambient = hurtLight;
//make flash take longer
ghosts.getEnemies()[i].setInActive();
audio->playCue(P_HIT);
}
}
}
maze.update(dt);
if(flashLightObject.getPosition()!=(player.getPosition()+(camera.getTarget()*5)))
{
flashLightObject.setPosition(player.getPosition() + camera.getTarget()*5);
int i = 0;
}
//orientating the flashlight
if(flashLightObject.lightSource.dir!=camera.getTarget())
{
//vectors for caluclating z-rotation
Vector2 cameraXY = Vector2(camera.getTarget().x,camera.getTarget().y);
Vector2 startXY = Vector2(flashLightObject.lightSource.dir.x,flashLightObject.lightSource.dir.y);
//vectors for calculating y-rotation
Vector2 cameraXZ = Vector2(camera.getTarget().x,camera.getTarget().z);
Vector2 startXZ = Vector2(flashLightObject.lightSource.dir.x,flashLightObject.lightSource.dir.z);
//vectors for calculating x-rotation
Vector2 cameraYZ = Vector2(camera.getTarget().y,camera.getTarget().z);
Vector2 startYZ = Vector2(flashLightObject.lightSource.dir.y,flashLightObject.lightSource.dir.z);
float xAngle = flashLightObject.getRotation().x;
float yAngle = flashLightObject.getRotation().y;
float zAngle = flashLightObject.getRotation().z;
float topEquation;
float bottomEquation;
topEquation = Dot2(&cameraXY,&startXY);
bottomEquation = Length2(&cameraXY)*Length2(&startXY);
if(bottomEquation>0)
{
zAngle+=acos((topEquation/bottomEquation));
}
topEquation = Dot2(&cameraXZ,&startXZ);
bottomEquation = Length2(&cameraXZ)*Length2(&startXZ);
if(bottomEquation>0)
{
yAngle+=acos((topEquation/bottomEquation));
}
topEquation = Dot2(&cameraYZ,&startYZ);
bottomEquation = Length2(&cameraYZ)*Length2(&startYZ);
if(bottomEquation>0)
{
xAngle+=acos((topEquation/bottomEquation));
}
flashLightObject.setRotation(Vector3(xAngle,yAngle,zAngle));
flashLightObject.lightSource.dir = camera.getTarget();
}
flashLightObject.update(dt);
//batteryObject.update(dt);
ghosts.update(dt,&player);
//lightObject1.update(dt);
/*floor.update(dt);
wall1.update(dt);
wall2.update(dt);
wall3.update(dt);
wall4.update(dt);*/
//flashLightObject.setRotation(
/*if(player.collided(&batteryObject))
{
flashLightObject.getBattery();
}*/
//mParallelLight.pos = testCube.getPosition();
//set up the flashlight light direction based on the direction the geometry is pointing
//D3DXVec3Normalize(&mParallelLight.dir, &(playerCamera.getTarget()-testCube.getPosition()));
outs.precision(2);
outs << L"Health: " << player.getHealth() << L"\n";
outs.precision(3);
outs << "Battery: " << flashLightObject.getPowerLevel();
mTimer = outs.str();
}
if(gamestate == gameover)
{
float rad = 0.0f;
camera.update(mTheta,mPhi,rad,0,dt,player,mView,mEyePos,true);
//set ceiling texture here
if(onceAgainEnd)
{
maze.setCeilTex(mfxDiffuseMapVar,mfxSpecMapVar,L"Rules Screen.jpg",L"brickwork-bump-map.jpg");
onceAgainEnd = false;
onceAgainStart = true;
}
}
}
