Questions tagged [game-maker-language]

General Game Maker Language (GML) support. The programming language used in Game Maker and Game Maker: Studio.

125 questions
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Why game does not see the input of the "R" key?

The game does not see the input of the "R" key, I use a { if keyboard_check_pressed(ord("R")) && global.died = true{ global.died = false; room_restart(); } }
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Gamemaker using a list for things to happen without deleting them

The premise of my problem is I have a boss that goes into different states, for example state.forcefield. When he is in a state, a queue of functions runs which carry out some actions like a change the state of the player, destroy and create…
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Get value in variable

Hi, I'm pretty new to gamemaker and I'm trying to set a variable (global.b1) to the first value of "global.level_data". For example, global.b1 will be set to mimic the blue outline of "global.level_data"'s first value, which is 0. Can anyone tell…
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My http request not working with mailgun api

header = ds_map_create(); header[? "Content-Type"] = "application/json"; header[? "api"] = "My api key that im censoring :)"; json = ds_map_create() { json[? "from"] = "mailgun@lapaihui.org"; json[? "to"] = "My email that im also…
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Converting a "name" to a real, then convert it back to a string

I've ran into some issues with my current gamemaker project. I've setup a simple "merge" functionality in my game, and I'm trying to increase it's QoL So what's happening when I'm merging, is this; var sabatons = instance_place(x, y,…
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draw_set_alpha seems to not work with draw_rectangle

MY GOAL: I'm trying to draw a transparent black rectangle over the current view. THE PROBLEM: No matter what alpha I set, the rectangle is drawn with full opacity. THINGS THAT I'VE TRIED: I tried changing the color of the rectangle to make sure…
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Collision GameMaker issue

I'm new to GameMaker and I followed a tutorial by "Let's Learn This Together". I was trying to make collisions for my character, however every time my character bumps into the object, they get stuck and I can't control them anymore. I checked many…
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Delayed inputs racing game

i have never used game-maker before, but it seemed pretty easy to use for my school project. I want to make a small racing game, but the car has varying degrees of delay in the controls. The project is for exploring latency. so the delay in the…
nightblen
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Click & Drag Mechanism

I need help with GameMaker Studio 2 v2.3.2.556 project. My clicking & dragging mechanism has two objects: an object called obj_iron that is being dragged, and an object called obj_cursor that is invisible and always follows the mouse. When I use…
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Get x and y 'coordinates' from object speed and direction

I have a player object that controls like the ship in Asteroids, using speed and direction. This object is fixed in the middle of the screen, but can rotate. Movement of this object is a visual illusion as other objects move past it. I need to get x…
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How to invert the sprite position in GameMaker Studio 2 code?

I put this code for my sprite to reverse the position according to its direction but it reverses the position and it looks skinny. How to fix this? key_left = keyboard_check(ord("A")) key_right = keyboard_check(ord("D")) key_jump =…
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http_request problem in gamemaker studio 2

im trying to do a http request in gamemaker 2, but i dont undersand how it works! actual code: var map = ds_map_create(); ds_map_add(map, "Authorization", "Bearer XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"); var url = "https://api.leref.ga/"…
user16361475
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Why my variable is illegal undefined in GML space rocks tutorial?

I'm new to GML and I've just started yesterday. I don't know why "repeat(num1)" in the "spawn_off_camera" didn't work at all and I rechecked it many times but there seems nothing wrong. Can you help me to fix it? My…
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Unable to Get Bitwise XOR to work in GameMaker 2

I'm trying to implement Zobrist hashing for a chess game and thought I was doing things correctly. However, when I try to apply XOR to a Hash value, it simply changes between 0 (the starting value for the hash) and -2147483648, in spite of…
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collision failing in gamemaker 2.0

Here's my collision code. (I got it from FriendlyCosmonaut but added the debug message for my own benefit): // COLLISION CHECK //Horizontal if (place_meeting(x+moveX,y,obj_solid)){ repeat(abs(moveX)){ …
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