Water Caustics
Resource PackMakes oceans more immersive by giving blocks animated textures to mimic water caustics from vibrant visuals, only underwater, and without the use of shaders.
Type
Resource Pack
Modrinth Downloads
15,541
Modrinth ID
7O05ven4
Last Updated
Aug 31, 2026
Description

Water Caustics is an experimental resource pack that gives blocks animated textures using Continuity to simulate water caustics. These animations appear only on the top faces of blocks between Y-levels 55 and 62, and using Polytone, only applies to ocean biomes and rivers.

Every block that can be found natrually in water biomes between Y-levels 55 and 62 by default, have animations.
- Log Types
- Plank Types
- Andesite
- Diorite
- Granite
- Polished Granite
- Stone
- Stone Brick Types
- Coral Block Types
- Clay
- Terracotta
- Dirt
- Sand
- Gravel
- Sandstone Types
- Prismarine
- Prismarine Bricks
- Netherrack
- Obsidian
- Packed Ice
- Blue Ice
- Dripstone Block
Slabs, stairs, trapdoors and fences included.
- Ocean
- Cold Ocean
- Lukewarm Ocean
- Warm Ocean
- Frozen Ocean
- Deep Ocean
- Deep Cold ocean
- Deep Lukewarm ocean
- Deep Frozen ocean
- River
CTM can’t detect water or fluid states, so blocks can’t connect directly to water. Instead, the texture is determined by Y-level and biomes. If any other biomes were added to the list, caustics could appear on blocks that aren’t actually underwater, such as beaches or any land biomes bordering the ocean.
For creative uses, a workaround for this, is making caustics appear next to land biomes that border oceans and rivers, by using Axiom (?) or WorldEdit (?) to change the water’s biome to one of the ocean biomes.

For the best results, use Natural Textures to give blocks rotations, which rotate the water caustics with it, and removes the grid-like pattern, as shown in screenshots.

Compatibility
Mod Loaders
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this resource pack.
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Screenshots
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