Gamemaker Studio 2: Grain Shader easiest way Tutorial

Опубликовано: 10 Август 2026
на канале: GreenCream

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// fragment shader
varying vec2 v_vTexcoord;
varying vec4 v_vColour;

uniform float grain_time;
uniform float grain_intensity;

float rand(vec2 co) {
return fract(sin(dot(co.xy, vec2(12.93588361, 78.2333))) * 43758.54213);
}
void main()
{
float grain = grain_intensity * rand( grain_time + v_vTexcoord);
vec4 colour = v_vColour * texture2D( gm_BaseTexture, v_vTexcoord );
colour.rgb += grain;
gl_FragColor = colour;
}

my first (low tier) gamemaker studio tutorial

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gamemaker studio 2 (low tier) tutorial explaining how to write your own grain shader.

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