void Player::Update()
{
if(Events::Instance->IsKey(KeyCode::Key_Left))
{ MoveToLeft(); }
else if(Events::Instance->IsKey(KeyCode::Key_Right))
{ MoveToRight(); }
if(Events::Instance->IsKeyDown(KeyCode::Key_Space))
{ FireMissile(); }
for(unsigned int i = 0; i < m_listOfMissiles.size(); i++)
{ m_listOfMissiles[i]->Update(); }
if(m_collisionObject->GetCollisionData() != NULL)
{ LoseLife(); }
}
//Calculate new angle and position given starting angle and position when timer started, elapsed time and keystate when last changed.
void MoveCamera(Point3d *cameraPos, Point3d *cameraAngle, Point3d baselinePos, float baselineAngle, unsigned int elapsed, int keys) {
float distance;
if(blocked)
SetMotors(0,0);
switch (keys & (KEY_RIGHT_BACK+KEY_RIGHT_FORWARD+KEY_LEFT_BACK+KEY_LEFT_FORWARD)) {
case KEY_RIGHT_BACK+KEY_LEFT_FORWARD: { //rotate right
if (blocked) {
blocked=false;
CloseMotors();
}
cameraAngle->y=baselineAngle + (PI * 2.0 * elapsed) / rotateSleep;
}
break;
case KEY_RIGHT_FORWARD+KEY_LEFT_BACK: { //rotate left
if (blocked) {
blocked=false;
CloseMotors();
}
cameraAngle->y=baselineAngle - (PI * 2.0 * elapsed) / rotateSleep;
}
break;
case KEY_RIGHT_FORWARD: { //one wheel rotate left
if (blocked) {
blocked=false;
CloseMotors();
}
cameraAngle->y=baselineAngle - (PI * elapsed) / rotateSleep;
}
break;
case KEY_LEFT_FORWARD: { //one wheel rotate right
if (blocked) {
blocked=false;
CloseMotors();
}
cameraAngle->y=baselineAngle + (PI * elapsed) / rotateSleep;
}
break;
case KEY_RIGHT_BACK: { //one wheel rotate left
if (blocked) {
blocked=false;
CloseMotors();
}
cameraAngle->y=baselineAngle + (PI * elapsed) / rotateSleep;
}
break;
case KEY_LEFT_BACK: { //one wheel rotate left
if (blocked) {
blocked=false;
CloseMotors();
}
cameraAngle->y=baselineAngle - (PI * elapsed) / rotateSleep;
}
break;
case KEY_RIGHT_FORWARD+KEY_LEFT_FORWARD: { //forward
//First, check if anything is in our way
int ob = LineHitsObject(*cameraPos, *cameraAngle);
if (ob != 0) {
//something's in the way, calculate the distance to it
Point3d offset = SubtractPoint(world.objects[ob].centre, *cameraPos);
distance = qsqrt(offset.x * offset.x + offset.z * offset.z);
//if we're too close, stop engines and refuse to proceed
if (distance < 30 && !blocked) {
if (world.objects[ob].colour.R==255 && world.objects[ob].colour.G==0 && world.objects[ob].colour.B==0) {
//it's a barrel - red barrels always explode in FPSs!
LoseLife("Beware barrels!");
} else {
OpenMotors();
SetMotors(0,0);
PlaySound(SOUND_HIT);
blocked=true;
}
break;
}
}
if (blocked) {
blocked=false;
CloseMotors();
}
distance=(20.0 * elapsed)/FORWARDSLEEP;
cameraPos->x=baselinePos.x + (distance * qsin(baselineAngle));
cameraPos->z=baselinePos.z + (distance * qcos(baselineAngle));
};
break;
case KEY_RIGHT_BACK+KEY_LEFT_BACK: { //backwards
//First, check if anything is in our way
Point3d dir=*cameraAngle;
dir.y=ClipAngle(dir.y+PI);
int ob = LineHitsObject(*cameraPos, dir);
if (ob != 0) {
//something's in the way, calculate the distance to it
Point3d offset = SubtractPoint(world.objects[ob].centre, *cameraPos);
distance = qsqrt(offset.x * offset.x + offset.z * offset.z);
//if we're too close, stop engines and refuse to proceed
if (distance < 30 && !blocked) {
if (world.objects[ob].colour.R==255 && world.objects[ob].colour.G==0 && world.objects[ob].colour.B==0) {
//it's a barrel - red barrels always explode in FPSs!
LoseLife("Beware barrel!s");
} else {
OpenMotors();
SetMotors(0,0);
PlaySound(SOUND_HIT);
blocked=true;
}
break;
}
}
if (blocked) {
blocked=false;
CloseMotors();
}
distance=(20.0 * elapsed)/FORWARDSLEEP;
cameraPos->x=baselinePos.x - (distance * qsin(baselineAngle));
cameraPos->z=baselinePos.z - (distance * qcos(baselineAngle));
};
}
//normalise ret to 0..2PI
cameraAngle->y = ClipAngle(cameraAngle->y);
}
//Handle tank movement
void MoveTank() {
Point3d playerOffset = SubtractPoint(cameraPos, world.objects[tankObjectIndex].centre);
double angleToPlayer;
if (playerOffset.x == 0.0) {
angleToPlayer = ((playerOffset.z < 0.0) ? PI / 2.0 : 0.0);
} else {
angleToPlayer = qatan((double)playerOffset.x / (double)playerOffset.z);
if (playerOffset.x < 0.0)
angleToPlayer += PI;
}
angleToPlayer = ClipAngle(angleToPlayer);
double distanceToPlayer = qsqrt(playerOffset.x * playerOffset.x + playerOffset.z * playerOffset.z);
double angleOffset = ClipAngle(world.objects[tankObjectIndex].heading.y - angleToPlayer);
/*
DrawText(5,35,"X:%d, Z:%d",(int)(playerOffset.x),(int)(playerOffset.z));
DrawText(5,50,"AO:%d, AP:%d",(int)(180.0/PI*angleOffset),(int)(180.0/PI*angleToPlayer));
DrawText(5,65,"DI:%d, Atan:%d",(int)(distanceToPlayer),(int)(1000.0 * qatan((double)playerOffset.x / (double)playerOffset.z)));
*/
switch(behaviourType) {
case 0: { //move forward
MoveObject(&(world.objects[tankObjectIndex]), CreatePoint(2.0 * qsin(world.objects[tankObjectIndex].heading.y), 0.0, 2.0 * qcos(world.objects[tankObjectIndex].heading.y)));
}
break;
case 1: { //rotate right
RotateObjectYAxis(&(world.objects[tankObjectIndex]), 5.0 * PI * 2.0 /360.0);
}
break;
case 2: { //rotate left
RotateObjectYAxis(&(world.objects[tankObjectIndex]), -5.0 * PI * 2.0 /360.0);
}
break;
case 3: { //hunt!
if (angleOffset > PI/4.0 && angleOffset < 7.0 * PI / 4.0) {
//if not pointing roughly at player, turn towards player
RotateObjectYAxis(&(world.objects[tankObjectIndex]), PI / 180.0 * (angleOffset < PI ? -5.0 : 5.0));
} else if (distanceToPlayer > 75.0) {
//if pointing roughly at player but far away, move forward
MoveObject(&(world.objects[tankObjectIndex]), CreatePoint(2.0 * qsin(world.objects[tankObjectIndex].heading.y), 0.0, 2.0 * qcos(world.objects[tankObjectIndex].heading.y)));
} else if (angleOffset < PI / 180.0 * 5.0 || angleOffset > PI / 180.0 * 355.0) {
//turn more finely
RotateObjectYAxis(&(world.objects[tankObjectIndex]), PI / 180.0 * (angleOffset < PI ? -1.0 : 1.0));
} else {
//if pointing roughly at player and close, turn towards player
RotateObjectYAxis(&(world.objects[tankObjectIndex]), PI / 180.0 * (angleOffset < PI ? -5.0 : 5.0));
}
}
}
playerOffset = SubtractPoint(cameraPos, world.objects[tankObjectIndex].centre);
if (playerOffset.x == 0.0) {
angleToPlayer = ((playerOffset.z < 0.0) ? PI / 2.0 : 0.0);
} else {
angleToPlayer = qatan((double)playerOffset.x / (double)playerOffset.z);
if (playerOffset.x < 0.0)
angleToPlayer += PI;
}
angleToPlayer = ClipAngle(angleToPlayer);
distanceToPlayer = qsqrt(playerOffset.x * playerOffset.x + playerOffset.z * playerOffset.z);
angleOffset = ClipAngle(world.objects[tankObjectIndex].heading.y - angleToPlayer);
if (angleOffset < PI / 180.0 * 5.0 || angleOffset > PI / 180.0 * 355.0) {
//if pointing at player, fire
PlaySound(SOUND_SHOOT);
//Hit if close enough angle
if (angleOffset < PI / 180.0 * 2.0 || angleOffset > PI / 180.0 * 358.0) {
LoseLife("You got shot!");
} else {
//Missed - pick a new behaviour
ChooseBehaviour();
}
}
}
