QTM:GetHeadtrackingInfo: Difference between revisions
Created page with "=Request= {| class="wikitable" border="1" |- ! Index Word ! Description |- | 0 | Header code [0x00020080] |- | 1-2 | u64, normally zero |} =Response= {| class="wikitable" bord..." |
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| Line 38: | Line 38: | ||
| 0x4 | | 0x4 | ||
| u8 flags which indicate whether the head was detected. | | u8 flags which indicate whether the head was detected. | ||
|- | |||
| 0x4 | |||
| 0x1 | |||
| u8 flag, unknown | |||
|- | |||
| 0x5 | |||
| 0x3 | |||
| Padding | |||
|- | |||
| 0x8 | |||
| 0x4 | |||
| float, not used by [[System_Settings]]. | |||
|- | |||
| 0xC | |||
| 0x20 | |||
| 4 coordinate entries: head top-left, head bottom-right, head bottom-left, and head top-right. | |||
|- | |||
| 0x2C | |||
| 0x14 | |||
| Not used by [[System_Settings]]. | |||
|} | |} | ||
The total size of this structure is 0x40-bytes. | The total size of this structure is 0x40-bytes. | ||
==Coordinate entry== | |||
{| class="wikitable" border="1" | |||
|- | |||
! Offset | |||
! Size | |||
! Description | |||
|- | |||
| 0x0 | |||
| 0x4 | |||
| float x | |||
|- | |||
| 0x4 | |||
| 0x4 | |||
| float y | |||
|} | |||
The total entry size is 0x8-bytes. The range for these two floats are -1.0f..1.0.f. These are relative to the center of the screen. | |||