Questions tagged [game-maker]

Game Maker is a cross-platform game creation tool made by YoYo Games mostly used to develop 2D video games.

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24 views

How do I get the id of an object that created a point in a path?

I'm making a rollercoaster tycoon type game. As the title says, I need to get the id of an object that created a path point. These points are currently greated by the rail pieces. I need this because ...
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1answer
54 views

Are there functions in GML?

I am trying to learn how to use GML to solve one of my previous prolems, as well as everything I have heard has said it is better to just learn it over DnD. As I have only ever programmed in python I ...
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171 views

Someone downloaded my game but it failed on Game Start due to code that doesnt exist

As stated in the title, they get the following error: ...
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21 views

How to make a path without collisions regardless of the size of the enemy/grid?

I am making a game where I have a player and enemies that depending on the distance, follow the player. For enemies to follow the player, the map was marked with a grid. When the player approaches ...
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29 views

How to predict the lap time?

I have a racing game. In this game the cars run on a circuit and at the end of this circuit the lap time is calculated. The lap time and estimated lap time are calculated as follows: ...
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41 views

How to extend GameMaker Studio's IDE editor, like in Unity?

Unity allows you to create custom inspectors, custom editor windows and custom property drawers. Is there a counterpart of this in GameMaker Studio 2.x or isn't it possible yet?
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66 views

What Type Does One Cast the Result of “get_function_address” to in Order to Call the Function Within a C++ DLL?

According to the game maker documentation for dll manipulation: get_function_address('function_name') Returns the address of a GameMaker function. This can be passed to DLL's so the can call ...
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3answers
176 views

How to model chess knight movement in GameMaker?

I am making a chess game in GameMaker, and I have the basic movement down for all of the other pieces except for the knight. I am using a system where I have an if statement that checks if the mouse ...
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39 views

How to make hundreds of objects do not disturb the game?

I am playing a game where I want to display countless tickets. At the beginning of the game this object/ticket is replicated 10 times. Create Event: ...
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1answer
42 views

How to change application surface size without changing view size? (GMS2)

I am working on a pixel art project in GameMaker 2 with native resolution 428x240. In order to enable "subpixel" rending, I am trying to increase the resolution of my ...
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22 views

How to avoid camera jerkiness when using integer-based movement with a remainder?

I am experimenting with a low-res project in GameMaker 2. To preserve the pixel art and prevent distortion, I have my movement code set up to only move my sprites in integer intervals. Basically, ...
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21 views

How can I change gradle version for api 27?

I get this error message: ...
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1answer
23 views

How to draw a line based on an angle with a defined size?

I have a game where the player shoots a projectile based on the mouse direction when clicking, which travels 500 pixels. I wish I could draw a line exactly where the projectile will be destroyed. ...
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29 views

Cars stutter by completing each lap

When I use the function path_start like this: path_start(circuit,velocity,path_action_continue,true); When completing each lap the cars kind of jump (I don't know ...
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1answer
34 views

Formula for calculating time difference regardless of speed

See the following situation: The first car has a speed of 10 pixels per second and completes one lap in a circuit in 84 seconds. I want the ...
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1answer
56 views

Way to Round Numbers

I have it when the player clicks the mouse they can move the peice aoround the board. I am trying to have the chess pieces snap to a grid after the mouse has been released. Is there any way to round ...
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1answer
16 views

Fill with Transparency in Built-In Sprite Editor

When I imported an image for a sprite, I realized it had a white background. I went into the built-in sprite editor to remove it. I tried using fill as there was a transparent color in the color ...
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17 views

Problem with positioning cars in a race

I define the speed of the cars based on a fictional and random lap time calculation. Lap time definition code: ...
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2answers
59 views

How to script sequential events in GameMaker?

I am wondering if there is an elegant way to script sequential events in GameMaker 2. In Godot 3.1, it is very easy to chain events together using yield() and ...
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2answers
50 views

How to make a more accurate lap time? get_timer() LIMITATION?

In the room there are 22 cars. All cars have a different speed. The cars are numbered from 1 to 22 with the help of the variable carNumber. CODE - obj_Car / Set car speed (Create Event): ...
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1answer
35 views

How to draw a rectangle with a border pixel over a camera/viewport?

With this code I intended to visually delimit the complete view of the circuit and the two controlled cars: ...
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1answer
26 views

Way to Get Collision Box Width Gamemaker

I was coding the wall collision system for my game, and I wanted to do it using intersect boundaries instead of checking every step if they are off the screen. When the player crosses the boundary ...
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1answer
13 views

Problem displaying drawing of a path in camera/viewport

I have an adm object, which draws the path in the room like this (Object ADM - Draw Event): ...
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1answer
62 views

Simple 2d Movement (Non platformer)

This seems so simple but my searching as failed to find a good result. The idea is that you can move in 360 degrees but you aren't faster when you move in a diagonal direction. I know how to do this ...
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2answers
53 views

Help for sorting cars that are 1 lap behind the others (latecomers)

Think of 22 cars running in circuit. I can sort them based on the order they reach the finish line. I start to have problems, because over time, the faster cars start to reach the slower cars. ...
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1answer
34 views

Problems With Opening Room Gamemaker

In Gamemaker, I have a main menu room, and hitting start takes you to the gameplay room. When testing it, it did not take me to the gameplay room. I made it load into the problem room first, and all ...
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2answers
75 views

How to draw the path with a thicker stroke?

I have a game where objects follow a path that resembles a circuit (f1, nascar, stock car). Using the draw_path function, I can draw the circuit on the game screen: It turns out that dash got too ...
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2answers
146 views

How to make a vision cone for the enemy in game maker?

I'm making an enemy object where the enemy look for the player when he's going on a patrol I want the vision cone to changes direction corresponding to the sprite.When the sprite turn right,the cone ...
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2answers
118 views

(Game Maker Studio)How to make an alarm that starts & loops in the step event?

I'm making an enemy object where the enemy will go on a specific path to patrol.Then he will stop at a certain point to look around for the player. I planned to make him change his sprite direction ...
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1answer
73 views

How to support more than 4 XInput controllers?

I'm making a multiplayer game in GameMaker Studio 2. The game supports upto 12 controllers, where the first four are XInput controllers. The rest would be DirectInput. If I try playing with 8 Xbox ...
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1answer
40 views

How to make character not enter the platform when colliding on the side with the platform?

I had a problem with detecting my character's collision with the enemy being detected in 2 ways: side by side when it (character) jumps into the enemy's head. I imagine it to be basic, so I figured ...
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43 views

Multiple fireballs gml

I am programming a bossfight in gamemaker, and I want my boss to shoot multiple fireballs simultaneously, but all in a bit of a different direction, a little bit like this, from rogue soul: It (...
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32 views

How similar can my game be to a AAA game? [duplicate]

(This is just an example so take it lightly) Say I want to make a 2D game heavilly inspired by a AAA game. For example GTA V. The names and story remains the same. except everything is in 2D but ...
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68 views

Slot Game inquiry. How to set the limit times of auto play?

I'm building a slot game, one line with three reel, using CocosCreator and Typescript. There is an already built auto-spin function once start, it will spin the reel infinite times. The spin will ...
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1answer
68 views

How can I child one sprite to another?

I am a newb at GameMaker. I have a 2D map which you can move around. I want to add pins to the map, such that when the map moves, the pins stay in the same position relative to the map. By default, ...
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2answers
77 views

How to get the Javascript equivalent of GameMaker's `hspeed` and `vspeed` given only `direction` and `speed`?

I'm using a NodeJS server to control NPC movement in a multiplayer game, and when they get too close to the edge of the room I need to reverse either the horizontal or vertical components of their ...
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31 views

When loading instances from .json, my arrays are magically becoming “numbers.”

Maybe someone here knows what's going on. I'm using GameMaker Studio 2, and I followed this tutorial (https://www.youtube.com/watch?v=-Ps-j_8sT6I&t=366s) by GMWolf to save and load instances. I ...
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26 views

Game Maker picking the wrong network adapter for broadcast

In my game I need to get the local network IP of the computer that is running the game, and for that purpose I have the following code: ...
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1answer
67 views

How to make an object towards the mouse on one Axis - Gamemaker Studio 2

I am trying to have my "obj_playership" move towards the Cursor on a single Axis. Prefer it to be the Vertical Axis. I tried doing this is an "Execute Code Box" in a step event "direction = mouse_x" "...
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65 views

Game Dev where to go [closed]

I crave to become game Dev. I have watched tried and even made my first game tutored by brackeys that is a cube dodge game. I felt very happy and successful.but what to do to develop rather than ...
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27 views

Implement an “xprevious” in LibGDX

I have used Gamemaker Studio 2 before, briefly, and found that the xprevious and yprevious variables are extremely useful. ...
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66 views

Help to Code Bowling Like Feature in Unity for Mobile

I need Code or Guidelines for Touch Feature. When We Drag ball back and Send it Forward. I am Making feature like bowling, and I need Player to add force while dragging back and also curve the path of ...
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1answer
108 views

How to change the version code in application created by the GameMaker?

Code that I can not change: Image of the error: Inside the red square is written: ...
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64 views

My sprite walking animation code doesn't work at all

This is my first time doing code for a game so I followed some online tutorials. When I got to the walking and the jumping animation I just can't get it to work whatever I do. I tried multiple codes ...
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1answer
29 views

Uninitialized Variables with Deactivation of Objects in Game Maker Studio 2

I am currently working on some map generation for my GMS2 game, and I have run into an issue that I absolutely cannot figure out. (I am very new to GMS2, so bear with me). I am working on map ...
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1answer
29 views

How to change the KEYSTORE securely?

I'm wanting to release a free version of an app to which I've already made a paid version. I simply copied the project to another folder: The project is initially the same as the paid application ...
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109 views

How would I create a shadowy “Fog of War” effect in Game Maker Studio 2?

You know if you ever played "StarCraft," as you explore the map it's dark until you go to that area. I am trying to replicate this effect in Gamemaker studio 2. I want to create a shadowed area ...
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2answers
145 views

Rotating an object while moving

I have an object the is a perfect circle. The object is moving left, right and jumping with collision detection. What I am trying to do now is rotate the object while it is moving, so it looks like ...
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4answers
116 views

Operating Expenses of Mathmetic Operations

I understand that math operations require more resources/take longer than others when being computed. (e.g. square roots take longer than divisions which takes longer than multiplications which takes ...
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217 views

How would I create a multiplayer game owning a server?

I'm using gamemaker studio 2 to create an RPG, at the moment it's only single player but I would ideally like to make it multiplayer if possible. I've done a bit of research but all the information ...

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