use mat::Mat3x1;

use i_bound::IBound;
use i_vicinity::IVicinity;

pub enum ShapeType {
    //primitive shapes
    Point,
    Ray,
    Sphere,
    Plane,
    Trig,
    Box,
    Rect,
    TriPrism, //5 facets, 2 triangles, 3 rectangles
    Line,
    //todo
    Frustum,
    Complex, //custom shapes
}

pub trait IShape: IVicinity<f64> {
    fn get_shape_data(&self) -> Vec<f64>;
    fn get_type(&self) -> ShapeType;
    fn get_bound(&self) -> &dyn IBound;
    //optionally returns a location of intersection of bounding shapes, preferrably closest of such locations
    fn get_intersect(&self, other: &dyn IShape) -> (bool, Option<Mat3x1<f64>>);
    //required for gjk intersection test
    fn get_support(&self, v: &Mat3x1<f64>) -> Option<Mat3x1<f64>>;
}