3

Description

"*(Applied to a ColorRect covering the whole screen)*\nReduces the range of possible colours a pixel can take"

Shader code

shader_type canvas_item;

uniform sampler2D screen_texture : hint_screen_texture, repeat_disable, filter_linear_mipmap_anisotropic;
uniform float quantizeStrength: hint_range(0.0, 1024.0, 0.1) = 32.0;

void fragment() {
    vec4 color = texture(screen_texture, SCREEN_UV, 0.0);
    color *= quantizeStrength;
    color = round(color);
    color /= quantizeStrength;
    COLOR = color;
    COLOR.a = 1.0;
}

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