Adapted Escape the Dawn engine.

src/Camera.cpp

@@ -0,0 +1,99 @@
+#include "PrecompiledHeader.h"
+#include "Camera.h"
+
+Camera::Camera(float yFOV, float aspectRatio, float nearClip, float farClip)
+{
+	m_FOV = yFOV;
+	m_AspectRatio = aspectRatio;
+	m_NearClip = nearClip;
+	m_FarClip = farClip;
+
+	m_Position = glm::vec3(0.0);
+	/*m_Pitch = 0.f;
+	m_Yaw = 0.f;*/
+
+	UpdateProjectionMatrix();
+	UpdateViewMatrix();
+}
+
+//glm::vec3 Camera::Forward()
+//{
+//	return glm::rotate(glm::vec3(0.f, 0.f, -1.f), -m_Yaw, glm::vec3(0.f, 1.f, 0.f));
+//}
+//
+//glm::vec3 Camera::Right()
+//{
+//	return glm::rotate(glm::vec3(1.f, 0.f, 0.f), -m_Yaw, glm::vec3(0.f, 1.f, 0.f));
+//}
+
+//glm::mat4 Camera::Orientation()
+//{
+//	glm::mat4 orientation(1.f);
+//	orientation = glm::rotate(orientation, m_Pitch, glm::vec3(1.f, 0.f, 0.f));
+//	orientation = glm::rotate(orientation, m_Yaw, glm::vec3(0.f, 1.f, 0.f));
+//	return orientation;
+//}
+
+void Camera::AspectRatio(float val)
+{
+	m_AspectRatio = val;
+	UpdateProjectionMatrix();
+}
+
+void Camera::Position(glm::vec3 val)
+{
+	m_Position = val;
+	UpdateViewMatrix();
+}
+
+
+void Camera::Orientation(glm::quat val)
+{
+	m_Orientation = val;
+	UpdateViewMatrix();
+}
+
+//void Camera::Pitch(float val)
+//{
+//	m_Pitch = val;
+//	UpdateViewMatrix();
+//}
+//
+//void Camera::Yaw(float val)
+//{
+//	m_Yaw = val;
+//	UpdateViewMatrix();
+//}
+
+void Camera::UpdateProjectionMatrix()
+{
+	m_ProjectionMatrix = glm::perspective(
+		m_FOV,
+		m_AspectRatio,
+		m_NearClip,
+		m_FarClip
+		);
+}
+
+void Camera::UpdateViewMatrix()
+{
+	m_ViewMatrix = glm::translate(glm::toMat4(m_Orientation), -m_Position);
+}
+
+void Camera::FOV(float val)
+{
+	m_FOV = val;
+	UpdateProjectionMatrix();
+}
+
+void Camera::NearClip(float val)
+{
+	m_NearClip = val;
+	UpdateProjectionMatrix();
+}
+
+void Camera::FarClip(float val)
+{
+	m_FarClip = val;
+	UpdateProjectionMatrix();
+}