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[Merged by Bors] - Add Camera::viewport_to_world #6126

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Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a Ray type to bevy_math instead of returning a tuple of Vec3's as this is clearer and easier to document
The docs on viewport_to_world are okay, but I'm not super happy with them.

Changelog

  • Add Camera::viewport_to_world
  • Add Camera::ndc_to_world
  • Add Ray to bevy_math
  • Some doc tweaks

@alice-i-cecile alice-i-cecile added A-Rendering Drawing game state to the screen A-Math Fundamental domain-agnostic mathematical operations C-Feature A new feature, making something new possible labels Sep 29, 2022
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Excellent start. IMO we should a) have a method to intersect the ray with planes b) a 2D helper version on OrthographicProjection that returns an (x, y) coordinate.

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In my opinion introducing plane intersection could happen in a followup PR if you prefer to keep this one small

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Once the comment is recorded and repr(C) is removed I'm fine to approve this. The plane intersection can wait.

@alice-i-cecile alice-i-cecile added the S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it label Sep 29, 2022
Co-authored-by: Nathan Ward <[email protected]>
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Merging as is; we can improve this later :)

bors r+

bors bot pushed a commit that referenced this pull request Oct 5, 2022
# Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a `Ray` type to `bevy_math` instead of returning a tuple of `Vec3`'s as this is clearer and easier to document
The docs on `viewport_to_world` are okay, but I'm not super happy with them.

## Changelog
* Add `Camera::viewport_to_world`
* Add `Camera::ndc_to_world`
* Add `Ray` to `bevy_math`
* Some doc tweaks

Co-authored-by: devil-ira <[email protected]>
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bors bot commented Oct 5, 2022

Build failed:

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mockersf commented Oct 5, 2022

bors retry

bors bot pushed a commit that referenced this pull request Oct 5, 2022
# Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a `Ray` type to `bevy_math` instead of returning a tuple of `Vec3`'s as this is clearer and easier to document
The docs on `viewport_to_world` are okay, but I'm not super happy with them.

## Changelog
* Add `Camera::viewport_to_world`
* Add `Camera::ndc_to_world`
* Add `Ray` to `bevy_math`
* Some doc tweaks

Co-authored-by: devil-ira <[email protected]>
@bors bors bot changed the title Add Camera::viewport_to_world [Merged by Bors] - Add Camera::viewport_to_world Oct 5, 2022
@bors bors bot closed this Oct 5, 2022
xgbwei pushed a commit to xgbwei/bevy that referenced this pull request Oct 5, 2022
# Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a `Ray` type to `bevy_math` instead of returning a tuple of `Vec3`'s as this is clearer and easier to document
The docs on `viewport_to_world` are okay, but I'm not super happy with them.

## Changelog
* Add `Camera::viewport_to_world`
* Add `Camera::ndc_to_world`
* Add `Ray` to `bevy_math`
* Some doc tweaks

Co-authored-by: devil-ira <[email protected]>
@tim-blackbird tim-blackbird deleted the viewport-to-ray branch October 13, 2022 13:13
james7132 pushed a commit to james7132/bevy that referenced this pull request Oct 19, 2022
# Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a `Ray` type to `bevy_math` instead of returning a tuple of `Vec3`'s as this is clearer and easier to document
The docs on `viewport_to_world` are okay, but I'm not super happy with them.

## Changelog
* Add `Camera::viewport_to_world`
* Add `Camera::ndc_to_world`
* Add `Ray` to `bevy_math`
* Some doc tweaks

Co-authored-by: devil-ira <[email protected]>
james7132 pushed a commit to james7132/bevy that referenced this pull request Oct 28, 2022
# Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a `Ray` type to `bevy_math` instead of returning a tuple of `Vec3`'s as this is clearer and easier to document
The docs on `viewport_to_world` are okay, but I'm not super happy with them.

## Changelog
* Add `Camera::viewport_to_world`
* Add `Camera::ndc_to_world`
* Add `Ray` to `bevy_math`
* Some doc tweaks

Co-authored-by: devil-ira <[email protected]>
ItsDoot pushed a commit to ItsDoot/bevy that referenced this pull request Feb 1, 2023
# Objective

Add a method for getting a world space ray from a viewport position.

Opted to add a `Ray` type to `bevy_math` instead of returning a tuple of `Vec3`'s as this is clearer and easier to document
The docs on `viewport_to_world` are okay, but I'm not super happy with them.

## Changelog
* Add `Camera::viewport_to_world`
* Add `Camera::ndc_to_world`
* Add `Ray` to `bevy_math`
* Some doc tweaks

Co-authored-by: devil-ira <[email protected]>
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A-Math Fundamental domain-agnostic mathematical operations A-Rendering Drawing game state to the screen C-Feature A new feature, making something new possible S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it
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5 participants