bool Ned3DObjectManager::interactEnemyTerrain(EnemyObject &enemy, TerrainObject &terrain)
{
Terrain *terr = terrain.getTerrain();
if(terr == NULL) return false;
//test for enemy collision with terrain
Vector3 enemyPos = enemy.getPosition();
float terrainHeight = terr->getHeight(enemyPos.x,enemyPos.z);
if (enemyPos.y < terrainHeight)
{
enemyPos.y = terrainHeight;
//enemy.setPPosition(enemyPos);
int tmpHndl = gParticle.createSystem("enemyfeatherssplat");
gParticle.setSystemPos(tmpHndl, enemyPos);
int thumpSound = gSoundManager.requestSoundHandle("Thump.wav");
int instance = gSoundManager.requestInstance(thumpSound);
if(thumpSound != SoundManager::NOINSTANCE)
{
gSoundManager.setPosition(thumpSound,instance,enemyPos);
gSoundManager.play(thumpSound,instance);
gSoundManager.releaseInstance(thumpSound,instance);
}
enemy.killObject();
return true;
}
return false;
}
bool Ned3DObjectManager::interactCrowTerrain(CrowObject &crow, TerrainObject &terrain)
{
Terrain *terr = terrain.getTerrain();
if(terr == NULL) return false;
//test for crow collision with terrain
Vector3 crowPos = crow.getPosition();
float terrainHeight = terr->getHeight(crowPos.x,crowPos.z);
if (crowPos.y < terrainHeight)
{
crowPos.y = terrainHeight;
crow.setPosition(crowPos);
int tmpHndl = gParticle.createSystem("crowfeatherssplat");
gParticle.setSystemPos(tmpHndl, crowPos);
int thumpSound = gSoundManager.requestSoundHandle("Thump.wav");
int instance = gSoundManager.requestInstance(thumpSound);
if(thumpSound != SoundManager::NOINSTANCE)
{
gSoundManager.setPosition(thumpSound,instance,crowPos);
gSoundManager.play(thumpSound,instance);
gSoundManager.releaseInstance(thumpSound,instance);
}
crow.killObject();
return true;
}
return false;
}
bool Ned3DObjectManager::interactPlaneTerrain(PlaneObject &plane, TerrainObject &terrain)
{
Terrain *terr = terrain.getTerrain();
if(terr == NULL) return false;
//test for plane collision with terrain
Vector3 planePos = plane.getPosition();
EulerAngles planeOrient = plane.getOrientation();
Vector3 disp = planePos - disp;
RotationMatrix planeMatrix;
planeMatrix.setup(plane.getOrientation()); // get plane's orientation
float planeBottom = plane.getBoundingBox().min.y;
float terrainHeight = terr->getHeight(planePos.x,planePos.z);
if(plane.isPlaneAlive() && planeBottom < terrainHeight)
{ //collision
Vector3 viewVector = planeMatrix.objectToInertial(Vector3(0,0,1));
if(viewVector * terr->getNormal(planePos.x,planePos.z) < -0.5f // dot product
|| plane.isCrashing())
{
plane.killPlane();
int partHndl = gParticle.createSystem("planeexplosion");
gParticle.setSystemPos(partHndl, plane.getPosition());
int boomHndl = gSoundManager.requestSoundHandle("Boom.wav");
int boomInst = gSoundManager.requestInstance(boomHndl);
if(boomInst != SoundManager::NOINSTANCE)
{
gSoundManager.setPosition(boomHndl,boomInst,plane.getPosition());
gSoundManager.play(boomHndl,boomInst);
gSoundManager.releaseInstance(boomHndl,boomInst);
}
plane.setSpeed(0.0f);
planePos += 2.0f * viewVector;
planeOrient.pitch = kPi / 4.0f;
planeOrient.bank = kPi / 4.0f;
plane.setOrientation(planeOrient);
}
else planePos.y = terrainHeight + planePos.y - planeBottom;
//plane.setPPosition(planePos);
return true;
}
return false;
}