Flutter Impeller
camera.h
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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_IMPELLER_SCENE_CAMERA_H_
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#define FLUTTER_IMPELLER_SCENE_CAMERA_H_
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#include <optional>
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#include "
impeller/geometry/matrix.h
"
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namespace
impeller
{
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namespace
scene {
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class
Camera
{
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public
:
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static
Camera
MakePerspective
(
Radians
fov_y,
Vector3
position);
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Camera
LookAt
(
Vector3
target,
Vector3
up =
Vector3
(0, -1, 0))
const
;
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Matrix
GetTransform
(
ISize
target_size)
const
;
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private
:
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Radians
fov_y_ =
Degrees
(60);
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Vector3
position_ =
Vector3
();
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Vector3
target_ =
Vector3
(0, 0, -1);
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Vector3
up_ =
Vector3
(0, -1, 0);
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Scalar
z_near_ = 0.1f;
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Scalar
z_far_ = 1000.0f;
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mutable
std::optional<Matrix> transform_;
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};
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}
// namespace scene
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}
// namespace impeller
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#endif // FLUTTER_IMPELLER_SCENE_CAMERA_H_
impeller::Scalar
float Scalar
Definition:
scalar.h:18
impeller::scene::Camera::GetTransform
Matrix GetTransform(ISize target_size) const
Definition:
camera.cc:24
impeller::scene::Camera::MakePerspective
static Camera MakePerspective(Radians fov_y, Vector3 position)
Definition:
camera.cc:10
matrix.h
impeller::TSize< int64_t >
impeller::scene::Camera::LookAt
Camera LookAt(Vector3 target, Vector3 up=Vector3(0, -1, 0)) const
Definition:
camera.cc:17
impeller::Radians
Definition:
scalar.h:38
impeller::Degrees
Definition:
scalar.h:46
impeller
Definition:
aiks_blur_unittests.cc:20
impeller::Matrix
A 4x4 matrix using column-major storage.
Definition:
matrix.h:37
impeller::Vector3
Definition:
vector.h:20
impeller::scene::Camera
Definition:
camera.h:15
impeller
scene
camera.h
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