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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How to detect when a shot hits the opponent from behind?
I'm making a game where the enemy can turn on its own axis in 360 degrees (top view game).
The player-controlled character has a bow. With this bow he shoots and deals damage when he hits the enemy.
I ...
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1answer
31 views
How do I create a powerup that affects speed for a limited amount of time?
I am looking to create a powerup such that when the "playership" object collides with it will affect the playership's speed for a few seconds, let's say 30-60 seconds. I cannot seem to ...
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1answer
28 views
How do I adjust speed of an object in gamemaker studio 2
Currently, I have this in my step event.
y += sign(mouse_y - y);
I am trying to adjust how fast it goes towards the mouse so I can have it scrolling up and down the screen. sorry if this has been ...
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1answer
32 views
Debugging shader script in GLSL ES - Game Maker 2 (CompileError)
I am trying to use this shader in the game I am making with Game Maker Studio 2.
I tried to convert it for GM2 and here is my result:
Shader type I used on GM2 is ...
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0answers
16 views
Gamemaker Studio 2 window_set_fullscreen() causes entire screen to go gray, CRTL ALT DEL doesn't work
I'm working on a small game in Gamemaker: Studio 2 in which the user can press F11 to toggle fullscreen. In the "Key Press - F11 Event, I've added the following code:
...
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2answers
57 views
How to extend a line to infinity?
In my game I have a line that simulates the trajectory of a gun shot, fired by the main character.
The line starts at the character and ends at the mouse position at the moment of the click.
What ...
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1answer
22 views
Function destroying wrong object
I am using the collision_line_list function to detect all objects of a type.
In this case, the object is obj_CapMan.
Code:
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0answers
21 views
How to avoid the collision of objects that move along a path?
There are 2 cars (same object) that go through a circuit:
Consider that the white part is an intention that they avoid (it would be as if it were a wall). The black part (circuit) would be just ...
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1answer
23 views
How to round/smooth the path of an object/sprite that orbits around another object?
Below is a code that defines the values that cause the sprite to start at the top of the object being orbited:
Create Event:
...
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0answers
10 views
Application stops working when I add two fonts
I created a game that has two fonts.
Being precise, the two fonts are PRESS_START_2P with the difference only in size. One of the fonts serves to write the title and the other for all other things.
...
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1answer
62 views
How to develop a GameMaker game for both desktop and mobile
For a few months I have been creating a game using GameMaker Studio 2 Desktop.
It turns out that I would like to launch it also for cell phones, and for that I bought GameMaker Studio 2 Mobile.
That's ...
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2answers
119 views
Multiple small UDP packets vs One big constant UPD packet
I'm making a MMO Bullet Hell game on Game Maker Studio 2 with a node.js server and I'm already able to receive and send information through UDP connections. I NEED to keep the server as fast as ...
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1answer
57 views
Ini files only work on my computer. How to create ini files in a directory on another computer?
I am creating a game that requires the use of ini files.
The game works perfectly on my computer.
When I create and executable, the executable even uses the ini files when I am programming/testing the ...
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vote
1answer
763 views
Variable not set before reading it error in GameMaker Studio 2
I am following along with a guide. I'm trying to reference code from an instance in my room, but whenever I try to run the script I get this error:
ERROR in action number 1 of Create Event for object ...
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1answer
75 views
Problem when importing color in hexadecimal format from an ini file
In my game I can import a color correctly when it is in the "engine format".
Example ("color.ini"):
...
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1answer
65 views
How to access the raw memory of d3d model in game maker?
I am using the d3d model creation functionality in Game Maker. I also use dlls and I want to be able to modify a 3D model (change uv values) without recreating a model. Is there a way to locate the ...
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1answer
31 views
Image of the room appearing incorrectly for no apparent reason
In the game, when I call the room (room_Corrida) from the room of the selection menu, it was for that to appear:
It turns out this is how the room appears:
The effect is as if it had a white ...
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1answer
141 views
Android Build Failing Game Maker Studio 1.4
In Game Maker Studio 1.4 I'm trying to export my game to Android API 29. Whenever I start to compile, the build fails because the API 28 support library is too low for the Target API 29. I have the ...
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1answer
24 views
Score won't save to Android in Game Maker Studio 1.4
I have oController as the first object to run when the game is opened. In oController's Game Start event
I have the following code:
...
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1answer
42 views
Run n' Gun game: Fixating the gun's angle
I am trying to have the gun stick to facing the left or right when the player isn't pressing any of the arrow keys. For instance, if the player is aiming diagonally up-left, then when the player lets ...
0
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1answer
28 views
When updating app from Google Play will the app data be deleted? [closed]
My question is pretty simple.
I developed a game, uploaded it on the store. In order to keep player level record and UI prefs it writes an ini file.
When the next update is up on the store and the ...
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0answers
53 views
Game Maker - Selecting tiles in an isometric grid
I have implemented an isometric grid with rotation in 2 directions in Game Maker. I did this by first calculating the points of the grid in 3D space and then converting them to 2D points through ...
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1answer
251 views
Creating Complex Collision Shapes in GMS2
I'm pretty new to Game Maker Studio 2 and I've hit a wall in programming with their built-in physics engine. I created a irregularly shaped object and I want to modify the collision shape so that it ...
0
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1answer
107 views
How do I get my team NPC to follow the player? | Game Maker Studio
I would like to have 4 teammate NPC's that would follow behind the Player. First off, I know how to get the movement and collisions working properly but getting the NPC's to follow the player is where ...
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1answer
44 views
Enemy gun won't aim properly when collision line is flipped | Game maker studio
When the enemy move's to the right their gun faces right. When they move left the gun will face left as it should. When the player collides with the enemy collision line on the right side, the enemy ...
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38 views
How to reverse the movement of the mouse on the X and Y axes?
I would like to know, how to do so that when moving the mouse to the right, it would go to the left and vice versa.
I looked for something related on the gamemaker page, but I didn't find what I'm ...
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0answers
33 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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2answers
132 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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1answer
215 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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1answer
86 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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1answer
145 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 ...
4
votes
3answers
265 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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1answer
300 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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1answer
46 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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1answer
41 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 ...
0
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1answer
63 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 ...
0
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1answer
23 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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2answers
114 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
74 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
45 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
56 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 ...
0
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1answer
14 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):
...
0
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1answer
172 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 ...
0
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2answers
75 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.
...
0
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1answer
46 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 ...
0
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2answers
128 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
519 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
582 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
157 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
52 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 ...
