I have a fundamental #GameDev question that has been bugging me for ages.

I've tried developing my own games, but I always felt like I was missing something fundamental about #programming logic and everything I did felt "wrong" and inefficient.

Here goes.

At the most basic level, games run as endless loops, right? Every frame, something happens. The program goes through the same loop over and over again until something causes it to exit.

For example, in a simple Asteroids-like shoot-em-up, the game goes through the list of obstacles every frame and sets their position downward a bit. They therefore appear to be coming towards you over time.

But games are obviously complex and interactive, and therefore don't just do the same thing every frame. The game needs different things to happen each iteration of the loop, based on what's going on in the game.

For example, the Asteroids obstacle needs to be removed from the game once it exits the screen, or once it overlaps with the player.

The only way I know to check whether something happened is to add a conditional to the game loop. Every single frame, the game checks for every single obstacle whether its position is outside the boundaries, and if so, removes it.

A computer can't just "keep in mind" to watch for a certain event to make something happen, it needs to explicitly be reminded to check every frame.

Even if something is supposed to happen only every minute, you still need to count a number up every frame until you reach a minute's equivalent amount of frames, and then the counter gets reset to zero and the event happens.

I understand all this works.

But what I don't understand is the following:
This seems extremely wasteful and inefficient, right?

I understand that a computer can calculate and compare a bazillion things a second, and that this is perfectly fine for something as simple as Asteroids.

But what about more complex games?

• Do Mario jump-and-run games genuinely check whether Mario touches the goal post every single frame of the game?
• Does GTA V check every single frame whether the player is in a mission, and if so, which one they're in?
• Do games like #Minecraft check every single frame, for every single animal, whether they're currently on fire?
• Do games check every single frame whether they're paused, in a menu, or running?

If this is genuinely what's going on, how the hell do complex games even run? When I play Minecraft, does the computer really, 120 times a second, for every single animal in the world, check whether they're currently poisoned? And then also checks whether the game is paused, whether there is mouse input, whether it's raining, whether music is playing, whether a block state has changed, and so on and so on?!

What about something like #BindingOfIsaac? Does it really check every single frame for every one of the thousands of possible items and whether the player has them equipped?

I mean, I'm sure it's abstracted a bit in that the game adds an "event hook" or something whenever you pick up a new item, but underneath all that, surely the game still has to check every frame for every possible hook whether it is active or not?

If I finally understood the answer to this question, I'd understand way more about game development.

The random Wiki of the Day for Sunday, 15 February 2026, is Binding of Isaac.

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Game Two daddelt mal wieder auf YouTube:
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Der neue Indie-Game-HIT mit Katzen! #gametwo #gaming #mewgenics

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Welcome to c/bindingofisaac!!

https://indie-ver.se/post/16992

Samaritanism

Samaritanism is an Abrahamic monotheistic, ethnic religion. It comprises the collective spiritual, cultural, & legal traditions of the Samaritan people.

Often preferring to be called Israelite Samaritans, who originated from the Hebrews & Israelites. They began to emerge as a relatively distinct group after the Kingdom of Israel was conquered by the Neo-Assyrian Empire during the Iron Age. The Neo-Assyrian Empire was the 4th, & penultimate, stage of ancient Assyrian history.

Central to their continuity as an Indigenous Heritage in the Holy Land is keeping the Patriarchal & Mosaic covenant as specified in the Samaritan Torah. Samaritans believe this is the original & unchanged version of the Pentateuch (which is the first 5 books of the Hebrew & Christian bible) since Moses & the Israelites at Mount Sinai.

The Abisha Scroll is traditionally held by the community to be the oldest existing scroll written by Abisha, son of Aaron the priest, around 3,000 years ago based on living tradition. However, Jewish & Christian theologians have made attempts to dispute this claim which proved unsatisfactory.

Judaism claims Samaritanism developed right alongside their own religion. Samaritanism asserts itself as the true preserved form of the monotheistic faith that the Israelites kept under Moses. Samaritan belief also holds that the Israelites’ original holy site was Mount Gerizim, near Nablus, the State of Palestine (West Bank).

They also believe that Jerusalem only attained importance under Israelite dissenters who had followed Eli (In the Book of Samuel, Eli was a priest & judge of the Israelites in the city of Shiloh) to the city of Shiloh.

The Israelites who remained at Mount Gerizim would become the Samaritans in the Kingdom of Judah. Mount Gerizim is revered by Samaritans as the location where the Binding of Isaac occurred. In comparison to the Jewish belief that it occurred at Jerusalem’s Temple Mount.

Today there are only about 900 registered communal members. This puts Samaritanism as 1 of the smallest ethnoreligious groups globally in the Abrahamic faiths. Samaritans believe that this is a prophecy fulfilled from the scriptures: “You’ll be left few in number.”

Though they hope for a future time when a prophet like Moses known as the “Taheb” (Restorer) will perform 3 signs, namely the jar of manna, the staff of Moses, & Cherubim, or the Golden Candlestick.

This time period they believe is when an era of Divine Favor would return, & the hidden tabernacle of Moses would miraculously be revealed for the Israelite people & Mount Gerizim is restored to its former glory.

Samaritans trace their history, as a separate entity, to a period soon after the Israelites’ arrival into the “Promised Land.” Samaritan historiography traces the schism to High Priest Eli leaving Mount Gerizim, where stood the 1st Israelite altar in Canaan, & building a competing altar in nearby Shiloh.

The dissenting group of Israelites who followed Eli to Shiloh would be the ones who, in later years, would head south to settle in Jerusalem (the Jews). Whereas the Israelites who stayed on Mount Gerizim, in Samaria, would become known as the Samaritans.

Genetic studies in 2004 suggest that Samaritans’ lineages trace back to a common ancestor with Jews in the paternally-inherited Jewish high priesthood (Cohanim) temporally near to the period of the Assyrian conquest of the Kingdom of Israel. They’re probably descendants of the historical Israelite population. The Cohanim refers to the Jewish priestly class, male descendants of Aaron the priest.

The Hasmonean king, John Hyrcanus, destroyed the Mount Gerizim Temple & brought Samaria under his control around 120 BCE. This led to a long-lasting sense of mutual hostility between the Jews & Samaritans.

From this point, the Samaritans likely sought to consciously distance themselves from their Judean brethren. Both peoples came to see the Samaritan faith as a religion distinct from Judaism. By the time of Jesus, Samaritans & Jews deeply disparaged one another, as shown by Jesus’ Parable of the Good Samaritan.

The main beliefs of Samaritanism are:

• There’s 1 God, Yahweh, the same God recognized by the Jewish prophets.
• The Torah is the only true holy book & was given by God to Moses. The Torah was created before the creation of the world & whoever believes in it is assured a part in the world to come. The Torah’s status in Samaritanism as the only holy book causes them to reject the Oral Torah, the Talmud, & all the prophets & scriptures, except for a version of the Book of Joshua (which they don’t hold as Scripture), whose book in the Samaritan community is significantly different from the Book of Joshua in the Jewish “Bible.” Moses is considered to be the last of the line of prophets.
• Mount Gerizim, not Jerusalem, is the 1 true sanctuary chosen by God. The Samaritans don’t recognize the sanctity of Jerusalem & don’t recognize the Temple Mount, claiming instead that Mount Gerizim was the place where the Binding of Isaac took place.
• The Apocalypse, called “the day of vengeance,” will be the end of days. When an entity called the Taheb (basically the Jewish Messiah equal) that comes from the tribe of Joseph will come, be a prophet like Moses for 40 years & bring about the return of all the Israelites, following which the dead will be resurrected. The Tahib will then discover the tent of Moses’ Tabernacle on Mount Gerizim, & will be buried next to Joseph when he dies.

The Samaritans have retained the institution of a high priesthood & the practice of slaughtering & eating lambs on Passover Eve. They celebrated Pesach, Shavuot, & Sukkot. But they use a different method from that used in mainstream Judaism in order to determine the dates annually.

For example, Yom Teru’ah (the biblical name for Rosh Hashanah), at the beginning of Tishrei (This is the 1st month of the civil year & the 7th month of the ecclesiastical year in the Hebrew calendar.), isn’t considered a New Year as it is in Rabbinic Judaism.

Their Sabbath is observed weekly by the Samaritan community every week from Friday to Saturday, beginning & ending at sundown. For 24 hours, the families gather together to celebrate the rest day: all electricity with the exception of minimal lighting (kept on the entire day) in the house is disconnected, no work is done, & neither cooking nor driving is allowed.

The time is devoted to worship which consists of 7 prayer services, reading the weekly Torah portion, spending quality time with family, taking meals, rest & sleep, & visiting other members of the community.

Passover is particularly important in the Samaritan community, climaxing with the sacrifice of up to 40 sheep.

The Counting of the Omar remains relatively unchanged. The Counting of the Omar is a ritual in Judaism that consists of a verbal counting of each of the 49 days between the holidays of Passover & Shavuot. However, the week before Shavuot is a unique festival celebrating the continued commitment Samaritanism has maintained since the time of Moses.

During Sukkot, the Sukkah (the temporary hut built for use during Sukkot) is built INSIDE of houses, instead of OUTSIDE like mainstream Judaism. This Samaritan tradition is traced back to the persecution of the Samaritans during the Byzantine Empire.

The roof of the Samaritan Sukkah is decorated with citrus fruits & branches of palm, myrtle, & willow trees. This is in accordance with the Samaritan interpretation of the 4 species designated in the Torah for the holiday. The 4 species are 4 plants (the etrog, lulav, hadass, & aravah) mentioned in the Torah as being relevant to the Jewish holiday of Sukkot.

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