| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include "garnet/bin/ui/scene_manager/resources/shapes/shape.h" |
| |
| namespace scene_manager { |
| |
| // A shape that lies within the Z=0 plane of the local coordinate system. |
| // As a result, |GetIntersection()| is implemented by intersecting a ray |
| // with this plane and calling |ContainsPoint()| on the result. |
| class PlanarShape : public Shape { |
| public: |
| // |Shape| |
| bool GetIntersection(const escher::ray4& ray, |
| float* out_distance) const override; |
| |
| // Returns if the given point lies within its bounds of this shape. |
| virtual bool ContainsPoint(const escher::vec2& point) const = 0; |
| |
| protected: |
| PlanarShape(Session* session, |
| scenic::ResourceId id, |
| const ResourceTypeInfo& type_info); |
| }; |
| |
| } // namespace scene_manager |
