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docs(shadertoy): improve iMouse documentation table #310

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docs(shadertoy): improve iMouse documentation table
ochafik Jan 20, 2026
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Merge remote-tracking branch 'origin/main' into ochafik/minor-fixes
ochafik Jan 23, 2026
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13 changes: 7 additions & 6 deletions examples/shadertoy-server/README.md
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Expand Up @@ -161,14 +161,15 @@ _Tool input:_

## Mouse & Touch Interaction

The `iMouse` uniform provides interactive input, compatible with the official Shadertoy specification:
The `iMouse` uniform provides interactive input, fully compatible with the official Shadertoy specification:

| Component | When Button Down | After Release | Never Clicked |
| ----------- | ---------------------- | ---------------- | ------------- |
| `iMouse.xy` | Current position | Last position | `(0, 0)` |
| `iMouse.zw` | Click start (positive) | Negated (-x, -y) | `(0, 0)` |
| Component | Just Clicked (frame 1) | Held Down (frame 2+) | After Release | Never Clicked |
| ----------- | ---------------------- | -------------------- | ------------- | ------------- |
| `iMouse.xy` | Click position | Current position | Last position | `(0, 0)` |
| `iMouse.z` | `+clickX` | `+clickX` | `-clickX` | `0` |
| `iMouse.w` | `+clickY` | `-clickY` | `-clickY` | `0` |

**Detecting button state:**
**Detecting button state (full compatibility):**

```glsl
if (iMouse.z > 0.0) {
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