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Frustum AABB Intersect
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| // Returns: INTERSECT : 0 | |
| // INSIDE : 1 | |
| // OUTSIDE : 2 | |
| int FrustumAABBIntersect(Plane *planes, Vector &mins, Vector &maxs) { | |
| int ret = INSIDE; | |
| Vector vmin, vmax; | |
| for(int i = 0; i < 6; ++i) { | |
| // X axis | |
| if(planes[i].normal.x > 0) { | |
| vmin.x = mins.x; | |
| vmax.x = maxs.x; | |
| } else { | |
| vmin.x = maxs.x; | |
| vmax.x = mins.x; | |
| } | |
| // Y axis | |
| if(planes[i].normal.y > 0) { | |
| vmin.y = mins.y; | |
| vmax.y = maxs.y; | |
| } else { | |
| vmin.y = maxs.y; | |
| vmax.y = mins.y; | |
| } | |
| // Z axis | |
| if(planes[i].normal.z > 0) { | |
| vmin.z = mins.z; | |
| vmax.z = maxs.z; | |
| } else { | |
| vmin.z = maxs.z; | |
| vmax.z = mins.z; | |
| } | |
| if(Vector::DotProduct(planes[i].normal, vmin) + planes[i].d > 0) | |
| return OUTSIDE; | |
| if(Vector::DotProduct(planes[i].normal, vmax) + planes[i].d >= 0) | |
| ret = INTERSECT; | |
| } | |
| return ret; | |
| } |
Nice bro, this helped me a lot.
Hello, this is the correct solution: https://iquilezles.org/articles/frustumcorrect/
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Nice bro, this helped me a lot.