void fxRenderImage::faceAwayCamera(TSRenderContext & rc, bool _findCamAxis)
{
if (_findCamAxis)
findCameraAxis(rc);
Point3F awayAxis = camAxis;
awayAxis *= -1.0f;
faceDirection(awayAxis);
}
void Fist::fire() const {
float time = timer::totalTime();
if (time - timer_ > 0.5f) {
timer_ = time;
float angleRad = parent_->rotation()*M_PI / 180.f;
Vector2f faceDirection(std::cos(angleRad), std::sin(angleRad));
particles::spawn(particles::pAmmoFist, parent_->location() + faceDirection*parent_->radius(), faceDirection, parent_->velocity(), Color3f(), parent_->getOwner());
parent_->velocity() -= faceDirection*200.f;
sound::playSound(sound::Pump, parent_->location());
}
}
void Burner::fire() const {
float time = timer::totalTime();
if (time - timer_ > 0.05f) {
timer_ = time;
float angleRad = parent_->rotation()*M_PI / 180.f;
Vector2f faceDirection(std::cos(angleRad), std::sin(angleRad));
for (int i=0; i<20; ++i) {
particles::spawn(particles::pAmmoBurner, parent_->location() + faceDirection*parent_->radius()*1.5f, faceDirection, parent_->velocity(), Color3f(), parent_->getOwner());
particles::spawn(particles::pHeatBurner, parent_->location() + faceDirection*parent_->radius()*1.5f, faceDirection, parent_->velocity());
}
parent_->velocity() -= faceDirection*10.f;
}
}
// assumes dirY is normalized
void fxRenderImage::faceDirection(Point3F & dirY)
{
// if we rotate about an axis, use a different routine...
if (useRotationAxis)
{
faceDirection(dirY,rotationAxis);
return;
}
Point3F dirX,dirZ;
if (fabs(dirY.z) < 0.95)
{
// dirY is not near vector (0,0,1), so we can
// use it as the pivot vector
m_cross(dirY, Point3F(0,0,1), &dirX);
dirX.normalize();
m_cross(dirX, dirY, &dirZ);
}
else
{
// dirY is near vector (0,0,1), so use
// pivot Point3F(1,0,0) instead
m_cross(Point3F(1,0,0), dirY, &dirZ);
dirZ.normalize();
m_cross(dirY, dirZ, &dirX);
}
transform.setRow(0,dirX);
transform.setRow(1,dirY);
transform.setRow(2,dirZ);
transform.flags |= TMat3F::Matrix_HasRotation;
transform.flags &= ~TMat3F::Matrix_HasScale;
if (useAxisSpin == true) {
RMat3F tempRot(EulerF(0, axisSpin, 0));
TMat3F tempOutput;
m_mul(tempRot, transform, &tempOutput);
transform = tempOutput;
}
}
void fxRenderImage::faceCamera(TSRenderContext & rc, bool _findCamAxis)
{
if (_findCamAxis)
findCameraAxis(rc);
faceDirection(camAxis);
}
