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- /*
- * DoRayMe - a quick and dirty Raytracer
- * Object header
- *
- * Created by Manoël Trapier
- * Copyright (c) 2020 986-Studio.
- *
- */
- #ifndef DORAYME_SHAPE_H
- #define DORAYME_SHAPE_H
- class Shape;
- #include <ray.h>
- #include <tuple.h>
- #include <matrix.h>
- #include <intersect.h>
- #include <material.h>
- #include <boundingbox.h>
- enum ShapeType
- {
- SHAPE_NONE,
- SHAPE_SPHERE,
- SHAPE_PLANE,
- SHAPE_CUBE,
- SHAPE_CYLINDER,
- SHAPE_CONE,
- SHAPE_GROUP,
- };
- /* Base class for all object that can be presented in the world */
- class Shape
- {
- private:
- ShapeType type;
- Matrix localTransformMatrix;
- protected:
- virtual Intersect localIntersect(Ray r) = 0;
- virtual Tuple localNormalAt(Tuple point) = 0;
- public:
- Matrix transformMatrix;
- Matrix inverseTransform;
- Matrix transposedInverseTransform;
- Material material;
- bool dropShadow;
- Shape *parent;
- public:
- Shape(ShapeType = SHAPE_NONE);
- virtual Intersect intersect(Ray r);
- virtual Intersect intersectOOB(Ray r) { return this->intersect(r); };
- Tuple normalAt(Tuple point);
- /* Bounding box points are always world value */
- virtual BoundingBox getBounds();
- virtual bool haveFiniteBounds() { return true; };
- void updateTransform();
- Tuple worldToObject(Tuple point) { return this->inverseTransform * point; };
- Tuple objectToWorld(Tuple point) { return this->transformMatrix * point; };
- Tuple normalToWorld(Tuple normalVector);
- void setTransform(Matrix transform);
- void setMaterial(Material material) { this->material = material; };
- Ray transform(Ray r) { return Ray(this->transformMatrix * r.origin, this->transformMatrix * r.direction); };
- Ray invTransform(Ray r) { return Ray(this->inverseTransform * r.origin, this->inverseTransform * r.direction); };
- bool operator==(const Shape &b) const { return this->material == b.material &&
- this->type == b.type &&
- this->transformMatrix == b.transformMatrix; };
- };
- #endif /* DORAYME_SHAPE_H */
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