frustum

fun Matrix4.Companion.frustum(rect: Rectangle, zNear: Float = 0.0f, zFar: Float = 1.0f): Matrix4
fun Matrix4.Companion.frustum(rect: Rectangle, zNear: Double = 0.0, zFar: Double = 1.0): Matrix4
fun Matrix4.Companion.frustum(rect: Rectangle, zNear: Int = 0, zFar: Int = 1): Matrix4