tleety
124 lines
2.6 KiB
C++
Executable File
124 lines
2.6 KiB
C++
Executable File
/*
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This file is part of Daydream Engine.
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Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
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Daydream Engine is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Daydream Engine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with Daydream Engine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "Core/Camera.h"
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dd::Camera::Camera(float aspectRatio, float yFOV, float nearClip, float farClip)
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{
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m_AspectRatio = aspectRatio;
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m_FOV = yFOV;
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m_NearClip = nearClip;
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m_FarClip = farClip;
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m_Position = glm::vec3(0.0);
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UpdateProjectionMatrix();
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UpdateViewMatrix();
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}
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glm::vec3 dd::Camera::Forward()
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{
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return m_Orientation * glm::vec3(0, 0, -1);
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}
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//
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//glm::vec3 Camera::Right()
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//{
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// return glm::rotate(glm::vec3(1.f, 0.f, 0.f), -m_Yaw, glm::vec3(0.f, 1.f, 0.f));
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//}
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//glm::mat4 Camera::Orientation()
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//{
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// glm::mat4 orientation(1.f);
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// orientation = glm::rotate(orientation, m_Pitch, glm::vec3(1.f, 0.f, 0.f));
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// orientation = glm::rotate(orientation, m_Yaw, glm::vec3(0.f, 1.f, 0.f));
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// return orientation;
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//}
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void dd::Camera::SetPosition(glm::vec3 val)
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{
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m_Position = val;
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UpdateViewMatrix();
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}
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void dd::Camera::SetOrientation(glm::quat val)
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{
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m_Orientation = val;
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UpdateViewMatrix();
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}
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//void Camera::Pitch(float val)
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//{
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// m_Pitch = val;
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// UpdateViewMatrix();
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//}
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//
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//void Camera::Yaw(float val)
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//{
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// m_Yaw = val;
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// UpdateViewMatrix();
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//}
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void dd::Camera::UpdateProjectionMatrix()
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{
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// m_ProjectionMatrix = glm::ortho(
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// -16.f,
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// 16.f,
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// -9.f,
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// 9.f,
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// m_NearClip,
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// m_FarClip
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// );
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m_ProjectionMatrix = glm::perspective(
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m_FOV,
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m_AspectRatio,
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m_NearClip,
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m_FarClip
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);
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}
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void dd::Camera::UpdateViewMatrix()
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{
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m_ViewMatrix = glm::toMat4(glm::inverse(m_Orientation))
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* glm::translate(-m_Position);
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}
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void dd::Camera::SetAspectRatio(float val)
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{
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m_AspectRatio = val;
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UpdateProjectionMatrix();
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}
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void dd::Camera::SetFOV(float val)
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{
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m_FOV = val;
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UpdateProjectionMatrix();
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}
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void dd::Camera::SetNearClip(float val)
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{
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m_NearClip = val;
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UpdateProjectionMatrix();
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}
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void dd::Camera::SetFarClip(float val)
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{
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m_FarClip = val;
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UpdateProjectionMatrix();
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} |