overte/libraries/shared/src/ShapeCollider.h
2014-12-03 11:15:44 -08:00

156 lines
7.5 KiB
C++

//
// ShapeCollider.h
// libraries/shared/src
//
// Created by Andrew Meadows on 02/20/2014.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_ShapeCollider_h
#define hifi_ShapeCollider_h
#include <QVector>
#include "CollisionInfo.h"
#include "RayIntersectionInfo.h"
#include "SharedUtil.h"
class Shape;
class SphereShape;
class CapsuleShape;
namespace ShapeCollider {
/// MUST CALL this FIRST before using the ShapeCollider
void initDispatchTable();
/// \param shapeA pointer to first shape (cannot be NULL)
/// \param shapeB pointer to second shape (cannot be NULL)
/// \param collisions[out] collision details
/// \return true if shapes collide
bool collideShapes(const Shape* shapeA, const Shape* shapeB, CollisionList& collisions);
bool collideShapeWithShapes(const Shape* shapeA, const QVector<Shape*>& shapes, int startIndex, CollisionList& collisions);
bool collideShapesWithShapes(const QVector<Shape*>& shapesA, const QVector<Shape*>& shapesB, CollisionList& collisions);
/// \param shapeA a pointer to a shape (cannot be NULL)
/// \param cubeCenter center of cube
/// \param cubeSide lenght of side of cube
/// \param collisions[out] average collision details
/// \return true if shapeA collides with axis aligned cube
bool collideShapeWithAACubeLegacy(const Shape* shapeA, const glm::vec3& cubeCenter, float cubeSide, CollisionList& collisions);
/// \param sphereA pointer to first shape (cannot be NULL)
/// \param sphereB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool sphereVsSphere(const Shape* sphereA, const Shape* sphereB, CollisionList& collisions);
/// \param sphereA pointer to first shape (cannot be NULL)
/// \param capsuleB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool sphereVsCapsule(const Shape* sphereA, const Shape* capsuleB, CollisionList& collisions);
/// \param sphereA pointer to first shape (cannot be NULL)
/// \param planeB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool sphereVsPlane(const Shape* sphereA, const Shape* planeB, CollisionList& collisions);
/// \param capsuleA pointer to first shape (cannot be NULL)
/// \param sphereB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool capsuleVsSphere(const Shape* capsuleA, const Shape* sphereB, CollisionList& collisions);
/// \param capsuleA pointer to first shape (cannot be NULL)
/// \param capsuleB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool capsuleVsCapsule(const Shape* capsuleA, const Shape* capsuleB, CollisionList& collisions);
/// \param capsuleA pointer to first shape (cannot be NULL)
/// \param planeB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool capsuleVsPlane(const Shape* capsuleA, const Shape* planeB, CollisionList& collisions);
/// \param planeA pointer to first shape (cannot be NULL)
/// \param sphereB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool planeVsSphere(const Shape* planeA, const Shape* sphereB, CollisionList& collisions);
/// \param planeA pointer to first shape (cannot be NULL)
/// \param capsuleB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool planeVsCapsule(const Shape* planeA, const Shape* capsuleB, CollisionList& collisions);
/// \param planeA pointer to first shape (cannot be NULL)
/// \param planeB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool planeVsPlane(const Shape* planeA, const Shape* planeB, CollisionList& collisions);
/// helper function for *VsAACube() methods
/// \param sphereCenter center of sphere
/// \param sphereRadius radius of sphere
/// \param cubeCenter center of AACube
/// \param cubeSide scale of cube
/// \param[out] collisions where to append collision details
/// \return valid pointer to CollisionInfo if sphere and cube overlap or NULL if not
CollisionInfo* sphereVsAACubeHelper(const glm::vec3& sphereCenter, float sphereRadius,
const glm::vec3& cubeCenter, float cubeSide, CollisionList& collisions);
bool sphereVsAACube(const Shape* shapeA, const Shape* shapeB, CollisionList& collisions);
bool capsuleVsAACube(const Shape* shapeA, const Shape* shapeB, CollisionList& collisions);
bool aaCubeVsSphere(const Shape* shapeA, const Shape* shapeB, CollisionList& collisions);
bool aaCubeVsCapsule(const Shape* shapeA, const Shape* shapeB, CollisionList& collisions);
bool aaCubeVsAACube(const Shape* shapeA, const Shape* shapeB, CollisionList& collisions);
/// \param shapeA pointer to first shape (cannot be NULL)
/// \param listB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool shapeVsList(const Shape* shapeA, const Shape* listB, CollisionList& collisions);
/// \param listA pointer to first shape (cannot be NULL)
/// \param shapeB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool listVsShape(const Shape* listA, const Shape* shapeB, CollisionList& collisions);
/// \param listA pointer to first shape (cannot be NULL)
/// \param listB pointer to second shape (cannot be NULL)
/// \param[out] collisions where to append collision details
/// \return true if shapes collide
bool listVsList(const Shape* listA, const Shape* listB, CollisionList& collisions);
/// \param sphereA pointer to sphere (cannot be NULL)
/// \param cubeCenter center of cube
/// \param cubeSide lenght of side of cube
/// \param[out] collisions where to append collision details
/// \return true if sphereA collides with axis aligned cube
bool sphereVsAACubeLegacy(const SphereShape* sphereA, const glm::vec3& cubeCenter, float cubeSide, CollisionList& collisions);
/// \param capsuleA pointer to capsule (cannot be NULL)
/// \param cubeCenter center of cube
/// \param cubeSide lenght of side of cube
/// \param[out] collisions where to append collision details
/// \return true if capsuleA collides with axis aligned cube
bool capsuleVsAACubeLegacy(const CapsuleShape* capsuleA, const glm::vec3& cubeCenter, float cubeSide, CollisionList& collisions);
/// \param shapes list of pointers to shapes (shape pointers may be NULL)
/// \param intersection[out] struct with info about Ray and hit
/// \return true if ray hits any shape in shapes
bool findRayIntersection(const QVector<Shape*>& shapes, RayIntersectionInfo& intersection);
} // namespace ShapeCollider
#endif // hifi_ShapeCollider_h