HBAO+ 4.0.0.23740451

1 files changed, 55 insertions, 0 deletions

diff --git a/samples/dual_layer/D3D11/src/Camera.cpp b/samples/dual_layer/D3D11/src/Camera.cpp
new file mode 100644
index 0000000..fee0fe3
--- /dev/null
+++ b/samples/dual_layer/D3D11/src/Camera.cpp
@@ -0,0 +1,55 @@
+/*
+* Copyright (c) 2008-2018, NVIDIA CORPORATION. All rights reserved.
+*
+* NVIDIA CORPORATION and its licensors retain all intellectual property
+* and proprietary rights in and to this software, related documentation
+* and any modifications thereto. Any use, reproduction, disclosure or
+* distribution of this software and related documentation without an express
+* license agreement from NVIDIA CORPORATION is strictly prohibited.
+*/
+
+#include "Camera.h"
+
+Camera::Camera()
+{
+    InitProjectionMatrix(1280, 720);
+
+    mPosition = { -5.0f, -5.0f, 3.0f };
+    mViewVector = XMVector3Normalize({ -4.0f, -4.0f, -2.0f });
+    UpdateViewMatrix();
+}
+
+void Camera::InitProjectionMatrix(uint32_t width, uint32_t height, float zNear, float zFar)
+{
+    mMatProj = XMMatrixPerspectiveFovRH(XMConvertToRadians(60.0f), (float)width / (float)height, zNear, zFar);
+    UpdateViewMatrix();
+}
+
+void Camera::MoveForward(float dt)
+{
+    mPosition += mViewVector * dt;
+    UpdateViewMatrix();
+}
+
+void Camera::MoveRight(float dt)
+{
+    mPosition += XMMatrixTranspose(mMatView).r[0] * dt;
+    UpdateViewMatrix();
+}
+
+void Camera::AdvanceAngles(float yaw, float pitch)
+{
+    XMMATRIX matBasisVecs = XMMatrixTranspose(mMatView);
+
+    XMMATRIX matRot = XMMatrixRotationY(yaw);// *XMMatrixRotationX(pitch);
+
+    mViewVector = XMVector3Rotate(mViewVector, XMQuaternionRotationAxis(matBasisVecs.r[1], yaw));
+    mViewVector = XMVector3Rotate(mViewVector, XMQuaternionRotationAxis(matBasisVecs.r[0], pitch));
+    UpdateViewMatrix();
+}
+
+void Camera::UpdateViewMatrix()
+{
+    mMatView = XMMatrixLookAtRH(mPosition, mPosition + mViewVector, { 0.0f, 0.0f, 1.0f });
+    mMatViewProj = XMMatrixMultiply(mMatView, mMatProj);
+}