• Hey! Guest! The 37th GMC Jam will take place between May 28th, 12:00 UTC and June 1st, 12:00 UTC. Why not join in! Click here to find out more!


  1. D

    Tint colour of sprite

    I'm looking to slightly tint the colors of a sprite. Meaning that white and black stay the same but other colours change so the overall saturation stays the same, similar to the 'color' blend mode in photoshop. The intention is to change this multiple times, so creating different versions of the...
  2. T

    Problem with a Color Shader

    Hey everyone, I am developing a game with only two colors that change from level to level. I'm using a shader to do so which works fine even though it is pretty simple. However, on certain computers, the shader does not work and I have no idea why. I was wondering if you could help me with it...
  3. S

    SOLVED How to change the colour of an outline shader?

    I've followed Shaun Spalding's tutorial at youtube[dot]com/watch?v=zWrpHbc6fmc, which basically sets up a one-pixel outline for sprites using shaders. Currently, the outline is black. How do I change this? I've tried messing with gl_FragColor but it either messes up the transparency (no longer...
  4. B

    Create a background that flashes between two colors

    Hi everybody, I would like to create a short animation of the background that flashes between a color and its inverse. I would like to trigger this animation when the player takes a power up. Among the threads found in the forum I tried to change the background color with this code: lay_id =...
  5. chaslinux

    Discussion Documentation suggestion

    Can I recommend adding text similar to "GameMaker uses BGR instead of RGB)" to the color documentation here: https://docs2.yoyogames.com/source/_build/3_scripting/4_gml_reference/drawing/colour/index.html This came up when I was editing a sprite in GameMaker's image editor, which shows the...
  6. B

    Windows Sprite Color Issue

    Hi ! My problem seems to be in link with Windows 10 but I don't know, when I draw a sprite (re-imported most of the time), the real sprite color seems to be replaced by a strange blue, I removed everything in the room except an empty object with a color gradient sprite and it's doing the same...
  7. LilRony

    Windows ArrJiiBii - Short Platformer (Prototype?)

    I took a break from my current game to put this together. It was really fun to use techniques that I picked up over the course of making my other game, but couldn't use because of old code getting in the way. While it's not the most original concept, I really enjoy playing it, which is not...
  8. zendraw

    Shaders [SOLVED] Coloring parts of an image depending on value

    So each part of this image, that is colored in teal, has max green and blue, but red varies betwean 0-255, and depending on that it shuld load a color from an array that contains the colors, but for some reason it remains white, while the parts shuld be colored in red. here is the image here...
  9. G

    GMS 2 How can I change the letterbox color from black with scripts?

    How can I change the black bars on the outside of the screen to any color I want, on the fly?
  10. E

    Shader - replace one color.

    I'm having a difficult time understanding shaders. I've seen numerous video tutorials online and example code, but still feel lost. Here's what I know thus far: My_Shader.vsh is untouched. The following is written under My_Shader.fsh: varying vec2 v_vTexcoord; varying vec4 v_vColour; void...
  11. m1s3ry

    Asset - Shaders Sin City Shader FX for GameMaker Studio 2

    Hello! I wanted to quick share this little shader I've put in the Marketplace This shader will replicate the Sin City trademark aesthetic, with the black & white ultra contrasted color, and then red! It's extremely easy to use, just pass the parameters in shader_sincity_start_extended() and...
  12. Kleber_Ferreira

    GMS 2 Sprite Editor is messing my colors after importing [SOLVED]

    This is happening with multiple images (JPG, PNG [Photos, vectors]) For example: This is how the image is supposed to be: And this is how it is inside Game Maker Studio 2 after importing: GMS2 sprite editor has an obsession with blue. Anyone been through this? How can I get the colors right?
  13. muddrox

    GMS 2 [SOLVED] Shader works wrong on Mac

    Hello, there everyone! I developed a shader that makes any sprite a solid color. It works wonderfully on windows. However, this shader fails to work the same way on Mac. On Mac, the shader effect produces a weird, staticy, rectangular effect over the sprites that are drawn with it. I have...
  14. JesterOC

    GMS 2 How do i colour blend individual tiles in GMS2?

    HEYO! So i've been porting my game from GMS1.4 to GMS2.... But i've hit a snag... I can't seem to blend a tile? Any help is much appreciated.... As for what i need to blend tiles for... it's an enlarged pixel grid you can draw on.. needs colours.
  15. Dropsuitcaptain

    Legacy GM c_ Not working?

    I'm trying to make it so that when my enemy dies it creates an effect that's red and it just isn't working. Here's my enemy destroy code:effect_create_above(ef_explosion,x,y,1,c_maroon); All I need it to do is create an effect with the color I want but that doesn't work. Any help would be...
  16. Megax60

    Changue a single color using shaders

    i mean something like this (in the bottom) i want to make many yoshis, using shaders
  17. Caden Black

    Alpha In the Mind (Alpha) - NEED FEEDBACK

    For for exactly one week, I have been working on a simple Visual Novel/RPG. It will be broken up into four different levels. Each I hope will end up resulting into a 1 hour game run time to tell the story. Which goes as follows - Color is HUGE and I mean HUGE in this game, color represents...
  18. lukbebalduke

    Question - IDE Interpolate colors between pixels - Change color

    Hey there! So, I have a question: I can remember older versions of game maker where it was possible to change the color used by the option "interpolate colors between pixels". I can see that by default the color is black, but how can I change it?
  19. Tails1000

    [SOLVED] Changing the color of lights

    I hit a hiccup in my lighting engine, as I can't figure out how to create different colored lights. I've tried several different blend modes with no luck. My goal is to create something that looks like this: But right now I'm only able to make white light, not orange. Here is a pic of my...
  20. ProjectGamesInc

    GMS 2 Random color + with +/- chances

    Good morning guys! I'm trying to do a little game based on colors. What i have right now is an object that will choose the color you will play with. every turn you will deploy this color inside the field and then another color will be choosen. what i want to do : I want the code that choose...