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GVRHeadTransform Class
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Defines a class to represent the head transformation for a render frame.
Inherits NSObject.
| - (CGRect) viewportForEye: |
|
(GVREye) |
eye |
|
Returns the screen viewport for a given eye.
| - (GLKMatrix4) projectionMatrixForEye: |
|
(GVREye) |
eye |
| near: |
|
(CGFloat) |
near |
| far: |
|
(CGFloat) |
far |
|
|
| |
Returns the projection matrix for the specified eye.
| - (GLKMatrix4) eyeFromHeadMatrix: |
|
(GVREye) |
eye |
|
Returns the transformation matrix used to convert from Head Space to Eye Space for the given eye.
| - (GLKMatrix4) headPoseInStartSpace |
|
|
|
Returns the reference matrix of the head pose in start space.
Returns the field of view for the specified eye.
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Last updated 2024-10-09 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-09 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eGVRHeadTransform\u003c/code\u003e class defines the head transformation for a render frame, inheriting from \u003ccode\u003eNSObject\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIt provides methods to retrieve the screen viewport, projection matrix, and field of view for a given eye.\u003c/p\u003e\n"],["\u003cp\u003eThe class also includes methods to obtain the transformation matrix from Head Space to Eye Space and the head pose's reference matrix in start space.\u003c/p\u003e\n"]]],["The `GVRHeadTransform` class manages head transformations for rendering. Key actions include retrieving the screen viewport for a given eye using `viewportForEye:`, obtaining the projection matrix via `projectionMatrixForEye:near:far:`, and getting the head-to-eye space transformation matrix with `eyeFromHeadMatrix:`. It also returns the head pose's reference matrix in start space via `headPoseInStartSpace` and acquires the field of view for a particular eye with `fieldOfViewForEye:`.\n"],null,["# GVRHeadTransform Class\n\n[Instance Methods](#pub-methods) \nGVRHeadTransform Class Reference \n\nOverview\n--------\n\nDefines a class to represent the head transformation for a render frame.\n\nInherits NSObject.\n\n|------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------|\n| Instance Method Summary ----------------------- ||\n| (CGRect) | - [viewportForEye:](/vr/ios/reference/interface_g_v_r_head_transform#af2c7e7d1b17d19dfed25cb32446cafe4) |\n| | Returns the screen viewport for a given eye. [More...](#af2c7e7d1b17d19dfed25cb32446cafe4) |\n| ||\n| (GLKMatrix4) | - [projectionMatrixForEye:near:far:](/vr/ios/reference/interface_g_v_r_head_transform#a5767a6cac64dc0009f8fe998132d3460) |\n| | Returns the projection matrix for the specified eye. [More...](#a5767a6cac64dc0009f8fe998132d3460) |\n| ||\n| (GLKMatrix4) | - [eyeFromHeadMatrix:](/vr/ios/reference/interface_g_v_r_head_transform#adcc7f58c9b132adc9301436a8e0a3c9f) |\n| | Returns the transformation matrix used to convert from Head Space to Eye Space for the given eye. [More...](#adcc7f58c9b132adc9301436a8e0a3c9f) |\n| ||\n| (GLKMatrix4) | - [headPoseInStartSpace](/vr/ios/reference/interface_g_v_r_head_transform#abfb2547e525664b531b9263b9e3b6792) |\n| | Returns the reference matrix of the head pose in start space. [More...](#abfb2547e525664b531b9263b9e3b6792) |\n| ||\n| ([GVRFieldOfView](/vr/ios/reference/struct_g_v_r_field_of_view)) | - [fieldOfViewForEye:](/vr/ios/reference/interface_g_v_r_head_transform#a847a2cfcbcae0d66391fb6204b24f1a2) |\n| | Returns the field of view for the specified eye. [More...](#a847a2cfcbcae0d66391fb6204b24f1a2) |\n| ||\n\nMethod Detail\n-------------\n\n|----------------------------|---|----------|-------|---|\n| - (CGRect) viewportForEye: | | (GVREye) | *eye* | |\n\nReturns the screen viewport for a given eye. \n\n|----------------------------------------|---|-----------|--------|\n| - (GLKMatrix4) projectionMatrixForEye: | | (GVREye) | *eye* |\n| near: | | (CGFloat) | *near* |\n| far: | | (CGFloat) | *far* |\n| | | | |\n\nReturns the projection matrix for the specified eye. \n\n|-----------------------------------|---|----------|-------|---|\n| - (GLKMatrix4) eyeFromHeadMatrix: | | (GVREye) | *eye* | |\n\nReturns the transformation matrix used to convert from Head Space to Eye Space for the given eye. \n\n|-------------------------------------|---|---|---|\n| - (GLKMatrix4) headPoseInStartSpace | | | |\n\nReturns the reference matrix of the head pose in start space. \n\n|---------------------------------------------------------------------------------------|---|----------|-------|---|\n| - ([GVRFieldOfView](/vr/ios/reference/struct_g_v_r_field_of_view)) fieldOfViewForEye: | | (GVREye) | *eye* | |\n\nReturns the field of view for the specified eye."]]