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Add invalid state for CFrustum (always passes tests)

This commit is contained in:
Jack Andersen 2017-07-30 19:17:57 -10:00
parent bf13f1f49c
commit 2c19667f42
1 changed files with 12 additions and 0 deletions
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12
include/zeus/CFrustum.hpp
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@ -10,6 +10,7 @@ namespace zeus
class CFrustum class CFrustum
{ {
CPlane planes[6]; CPlane planes[6];
bool valid = false;
public: public:
inline void updatePlanes(const CMatrix4f& modelview, const CMatrix4f& projection) inline void updatePlanes(const CMatrix4f& modelview, const CMatrix4f& projection)
@ -82,6 +83,8 @@ public:
planes[3].normalize(); planes[3].normalize();
planes[4].normalize(); planes[4].normalize();
planes[5].normalize(); planes[5].normalize();
valid = true;
} }
inline void updatePlanes(const CTransform& modelview, const CProjection& projection) inline void updatePlanes(const CTransform& modelview, const CProjection& projection)
@ -91,6 +94,9 @@ public:
inline bool aabbFrustumTest(const CAABox& aabb) const inline bool aabbFrustumTest(const CAABox& aabb) const
{ {
if (!valid)
return true;
CVector3f vmin, vmax; CVector3f vmin, vmax;
for (uint32_t i = 0; i < 6; ++i) for (uint32_t i = 0; i < 6; ++i)
{ {
@ -138,6 +144,9 @@ public:
inline bool sphereFrustumTest(const CSphere& sphere) inline bool sphereFrustumTest(const CSphere& sphere)
{ {
if (!valid)
return true;
for (uint32_t i = 0 ; i<6 ; ++i) for (uint32_t i = 0 ; i<6 ; ++i)
{ {
float dadot = planes[i].vec.dot(sphere.position); float dadot = planes[i].vec.dot(sphere.position);
@ -149,6 +158,9 @@ public:
inline bool pointFrustumTest(const CVector3f& point) inline bool pointFrustumTest(const CVector3f& point)
{ {
if (!valid)
return true;
for (uint32_t i = 0 ; i<6 ; ++i) for (uint32_t i = 0 ; i<6 ; ++i)
{ {
float dadot = planes[i].vec.dot(point); float dadot = planes[i].vec.dot(point);