Flex FOV (Cleanroom Port)

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Flex FOV (Cleanroom Port)

By swankydenizen

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Intelligent defaults for displaying any FOV

Mod Loaders
Minecraft
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About

Description

FlexFOV (Cleanroom Port)

Renders Minecraft at up to 360 degrees of horizontal field of view. The world is captured onto the 6 faces of a cube and reprojected through a fragment shader, so the picture stays usable well past the ~110° where vanilla's rectilinear projection falls apart.

This is a port of FlexFOV by shaunlebron — itself a fork of 18107's Render360 — to Cleanroom Loader on Minecraft 1.12.2. The render math and the call sites are unchanged from upstream; what's new is the mechanism reaching them (see How it works).

Requirements

  • Minecraft 1.12.2 on Cleanroom Loader
  • A GPU/driver with GLSL fragment shader support
  • Client-side only. The mod does nothing on a dedicated server, and servers you join don't need it installed.

Configuration

Edit config/flexfovclrmport.cfg, or change the options in-game under Mods → FlexFOV → Config. Changes made in-game apply immediately.

Option Type Default What it does
Mod Enabled boolean true The mod's on/off switch. When off, the world is drawn by unmodified vanilla rendering and every other option here has no effect.
Render Mode FLEX / PANINI / STEREOGRAPHIC / MERCATOR FLEX Which projection the world is reprojected through. No effect while Mod Enabled is off.
FOV 0–360 180 Horizontal field of view, in degrees.
Quality 0.1–5.0 1.0 Resolution multiplier for the off-screen capture. Each of the 6 faces is rendered at (screen height × quality) squared, so cost scales with the square of this value — above 1.0 gets expensive fast.
Rubix Debug boolean false Tints each captured cube face a distinct colour and overlays a grid, to show where the seams are.
Split Compare boolean false Splits the screen to compare the hybrid, panini and stereographic projections side by side.

Mod Enabled and Render Mode are different switches

Mod Enabled chooses how the world gets to the screen: off means the vanilla render path, which is bit-identical to no mod at all. Render Mode only chooses a projection within the wide-angle path, and does nothing at all while Mod Enabled is off.

What the render modes do

FLEX picks its projection from the FOV alone:

FOV Projection
below 90 rectilinear (what vanilla does)
90–160 blending into a panini/stereographic hybrid
160–300 blending into mercator
300–360 mercator

PANINI, STEREOGRAPHIC and MERCATOR pin one projection at every FOV instead. Panini and stereographic degenerate as the FOV approaches 360; mercator is the one that holds up there.

Credits

License

GPLv3

Derived from FlexFOV by shaunlebron, itself a fork of Render360 by 18107.