C++ (Cpp) Vector3d::set Examples

Example #1

/* Given a position and a size this function calculates and pushes
 * the nearest point to that which will be valid if the boxes are
 * shrunk by the amount specified.
 */
void Lua_V1::GetShrinkPos() {
	lua_Object xObj = lua_getparam(1);
	lua_Object yObj = lua_getparam(2);
	lua_Object zObj = lua_getparam(3);
	lua_Object rObj = lua_getparam(4);

	if (!lua_isnumber(xObj) || !lua_isnumber(yObj) || !lua_isnumber(zObj) || !lua_isnumber(rObj))
		return;

	float x = lua_getnumber(xObj);
	float y = lua_getnumber(yObj);
	float z = lua_getnumber(zObj);
	float r = lua_getnumber(rObj);
	Math::Vector3d pos;
	pos.set(x, y, z);

	Sector* sector;
	g_grim->getCurrSet()->shrinkBoxes(r);
	g_grim->getCurrSet()->findClosestSector(pos, &sector, &pos);
	g_grim->getCurrSet()->unshrinkBoxes();

	if (sector) {
		lua_pushnumber(pos.x());
		lua_pushnumber(pos.y());
		lua_pushnumber(pos.z());
	} else {
		lua_pushnil();
	}
}

Example #2

File: lua_v1_sound.cpp Project: tobigun/residualvm

void Lua_V1::SetSoundPosition() {
	Math::Vector3d pos;
	int minVolume = 10;
	int maxVolume = 127;
	float someParam = 0;
	int argId = 1;
	lua_Object paramObj;

	if (g_grim->getCurrSet()) {
		g_grim->getCurrSet()->getSoundParameters(&minVolume, &maxVolume);
	}

	lua_Object nameObj = lua_getparam(argId++);
	if (!lua_isnumber(nameObj) && !lua_isstring(nameObj))
		return;

	lua_Object actorObj = lua_getparam(argId++);
	if (lua_isuserdata(actorObj) && lua_tag(actorObj) == MKTAG('A','C','T','R')) {
		Actor *actor = getactor(actorObj);
		if (!actor)
			return;
		pos = actor->getPos();
	} else if (lua_isnumber(actorObj)) {
		float x = lua_getnumber(actorObj);
		float y = lua_getnumber(argId++);
		float z = lua_getnumber(argId++);
		pos.set(x, y, z);
	}

	paramObj = (int)lua_getparam(argId++);
	if (lua_isnumber(paramObj)) {
		minVolume = (int)lua_getnumber(paramObj);
		if (minVolume > 127)
			minVolume = 127;
	}
	paramObj = lua_getparam(argId++);
	if (lua_isnumber(paramObj)) {
		maxVolume = (int)lua_getnumber(paramObj);
		if (maxVolume > 127)
			maxVolume = 127;
		else if (maxVolume < minVolume)
			maxVolume = minVolume;
	}

	paramObj = lua_getparam(argId++);
	if (lua_isnumber(paramObj)) {
		someParam = (int)lua_getnumber(paramObj);
		if (someParam < 0.0)
			someParam = 0.0;
	}

	if (g_grim->getCurrSet()) {
		if (lua_isnumber(nameObj))
			error("SetSoundPosition: number is not yet supported");
		else {
			const char *soundName = lua_getstring(nameObj);
			g_grim->getCurrSet()->setSoundPosition(soundName, pos, minVolume, maxVolume);
		}
	}
}

Example #3

File: lua_v2_actor.cpp Project: ZydrateJunkie/grim_mouse

void Lua_V2::WalkActorToAvoiding() {
	lua_Object actorObj = lua_getparam(1);
	lua_Object actor2Obj = lua_getparam(2);
	lua_Object xObj = lua_getparam(3);
	lua_Object yObj = lua_getparam(4);
	lua_Object zObj = lua_getparam(5);

	if (!lua_isuserdata(actorObj) || lua_tag(actorObj) != MKTAG('A','C','T','R'))
		return;

	if (!lua_isuserdata(actor2Obj) || lua_tag(actor2Obj) != MKTAG('A','C','T','R'))
		return;

	Math::Vector3d destVec;
	Actor *actor = getactor(actorObj);
	if (!lua_isnumber(xObj)) {
		if (!lua_isuserdata(xObj) || lua_tag(xObj) != MKTAG('A','C','T','R'))
			return;
		Actor *destActor = getactor(xObj);
		destVec = destActor->getPos();
	} else {
		float x = lua_getnumber(xObj);
		float y = lua_getnumber(yObj);
		float z = lua_getnumber(zObj);
		destVec.set(x, y, z);
	}

	// TODO: Make this actually avoid the second actor

	actor->walkTo(destVec);
}