RETRO_VHS_Screen

A minecraft styled vhs shader for horror modpacks, with flickering rec, and some more cool things.
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RETRO_VHS_Screen3.0.zip

ByScorpiusW
  • R
  • Jul 17, 2026
  • 10.03 KB
  • 696
  • 1.20.1+3

File Name

RETRO_VHS_Screen3.0.zip

Supported Versions

  • 1.20.1
  • OptiFine
  • 1.21.1
  • Iris

Added:

  • New retro configuration parameters: Added the CHROMATIC_ABERRATION, TRACKING_GLITCH_STR, BLOOM_SOFTNESS, COLOR_WARMTH, and PHOSPHOR_GLOW macros to the configuration section.

  • Tracking Glitch (Signal Distortion): Added physical image shifting (wavy offset) synced with intermittent horizontal glitches to simulate VHS tape tracking errors.

  • Chromatic Aberration: Added separated red and blue color channel sampling (RGB shift) that scales and intensifies towards the vertical edges of the screen.

  • Soft Bloom & Retro Lighting: Added a subtle, performance-friendly glow and light scattering effect based on pixel luminance (luma).

  • Nostalgic Color Grading: Added a warm (yellow-orange) color tint alongside a smoothstep-based retro contrast enhancement applied to the final output.

  • CRT Vignette: Added darkening corners effect to imitate the physical curvature and light falloff of traditional cathode-ray tube monitors.

  • Tinted VHS Grain: Added a slight blueish-gray tint (vec3(0.85, 0.95, 1.0)) to the static analog grain for a more realistic aesthetic.

  • Phosphor Glow: Added an image-brightening phosphor glow multiplier applied directly after the CRT scanlines.

Changed:

  • Decreased the default value of SCANLINE_INT (CRT scanline intensity) from 0.06 to 0.03.

  • Decreased the default value of INTERMITTENT_STRIPES_STR (intermittent pass-through stripe strength) from 0.08 to 0.04.