euler_perspective_camera.h

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#pragma once
 
#include <liboscar/maths/angle.h>
#include <liboscar/maths/matrix4x4.h>
#include <liboscar/maths/vector.h>
 
namespace osc
{
    // a camera that moves freely through 3D space, oriented via pitch and yaw Euler
    // angles (no roll - i.e. as in FPS games)
    struct EulerPerspectiveCamera final {
 
        EulerPerspectiveCamera();
 
        Vector3 front() const;
        Vector3 up() const;
        Vector3 right() const;
        Matrix4x4 view_matrix() const;
        Matrix4x4 projection_matrix(float aspect_ratio) const;
 
        Vector3 origin = {};
        Radians pitch = Degrees{0};
        Radians yaw = Degrees{180};
        Radians vertical_field_of_view = Degrees{35};
        float znear = 0.1f;
        float zfar = 1000.0f;
    };
}