ccore/include/core/Frustum.h

#ifndef CORE_FRUSTUM_H
#define CORE_FRUSTUM_H

#include "core/Matrix.h"
#include "core/Plane.h"

typedef struct {
    CoreMatrix projection;
    CorePlane planes[6];
    float tan;
    float nearClip;
    float farClip;
} CoreFrustum;

void coreInitFrustum(CoreFrustum* f, float fieldOfView, float nearClip,
                     float farClip);
const CoreMatrix* coreUpdateProjection(CoreFrustum* f,
                                       const CoreIntVector2* size);
void coreUpdateFrustumPlanes(CoreFrustum* f, const CoreVector3* pos,
                             const CoreVector3* right, const CoreVector3* up,
                             const CoreVector3* front,
                             const CoreIntVector2* size);
bool coreIsInsideFrustum(const CoreFrustum* f, const CoreVector3* pos);
bool coreIsInsideFrustumRadius(const CoreFrustum* f, const CoreVector3* pos,
                               float radius);

#ifdef IMPORT_CORE
#define Frustum CoreFrustum
#define initFrustum coreInitFrustum
#define updateProjection coreUpdateProjection
#define updateFrustumPlanes coreUpdateFrustumPlanes
#define isInsideFrustum coreIsInsideFrustum
#define isInsideFrustumRadius coreIsInsideFrustumRadius
#endif

#endif