Radial zoom blur toward a point
In your harnessGodot shaderMIT
Streak the image toward or away from a screen point like a fast zoom or a speed burst, with no blur at the centre, adjustable strength, sample count and an optional brightness boost of the streaks.
What it takes and gives
- Shader type
- spatial
- Render modes
- unshaded, cull_disabled, depth_test_disabled, depth_draw_never, skip_vertex_transform, fog_disabled
- Parameters
- screen_texture (sampler2D), center_x (float = 0.5), center_y (float = 0.5), strength (float = 0.12), samples (int = 20), clear_radius (float = 0.15), streak_boost (float = 0.15)
- Use it on
- A MeshInstance3D with a 2 x 2 QuadMesh,
material.tresas its material override and a large extra cull margin, as indemo.tscn. - Result
- The scene streaking outward from the middle with the centre still sharp.
- Renderers
- compatibility: compiled and rendered, forward plus: not verified, mobile: not verified
- Placement
- res://baltor/godot_shaders/post_radial_zoom_blur/
Limits. Streaks only sample what is on screen, so content entering from off screen does not streak in. Very high strength with few samples shows stepping. The pass reads Godot's screen texture after opaque geometry, so transparent objects drawn after it are not processed and its order among other transparent passes is not controlled.
Details
- Kind
- Godot shader
- Engine
- Godot 4.3 or later
- Files
- 11 files, 72.1 KB
- Licence
- MIT
- Declared effects
- reads files, runs commands
- Checked with
- Godot 4.7.2, opengl3 compatibility (Mesa llvmpipe, Xvfb)
- Checks
- contract static, engine run, engine log clean, shader in scene, capture written, render not uniform, shader changes pixels
- Techniques
- Radial blur by sampling toward a centre, Per-pixel jittered sample offsets, MurmurHash3 32-bit finalizer over prime-combined lattice coordinates as a hash
- Tags
- godot shader, spatial, post-process, zoom blur, radial blur, speed, motion, full-screen
- Identity
library.supply.creative_originals.6e5d5cebf8cc7de695dd1117.522e30c44d2bf3e1- Version
522e30c44d2bf3e1670a5fffa05648d9eed1f2eb9bbb2a3d309f1c0c6acbaced
The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.
Related files
Screen-space light shafts from the skyIn your harness
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