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Cameras are used to view scenes from any point in the world.
Projections
Finite perspective
Finite persepective projections are often used for 3D rendering. In a finite perspective projection, objects moving away from the camera appear smaller and are occluded by objects that are closer to the camera.
Finite Perspective projections are created with the
Factory::perspective_camera method with a bounded range.
window.factory.perspective_camera(60.0, 0.1 .. 1.0);Infinite perspective
Infinite perspective projections are perspective projections with zfar planes
at infinity. This means objects are never considered to be ‘too far away’ to be
visible by the camera.
Infinite Perspective projections are created with the
Factory::perspective_camera method with an unbounded range.
window.factory.perspective_camera(60.0, 0.1 ..);Orthographic
Orthographic projections are often used for 2D rendering. In an orthographic projection, objects moving away from the camera retain their size but are occluded by objects that are closer to the camera.
Orthographic projections are created with the
Factory::orthographic_camera method.
window.factory.orthographic_camera([0.0, 0.0], 1.0, -1.0 .. 1.0)Structs
Projection.