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Diffstat (limited to 'Opcode/OPC_AABBCollider.h')
| -rw-r--r-- | Opcode/OPC_AABBCollider.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Opcode/OPC_AABBCollider.h b/Opcode/OPC_AABBCollider.h new file mode 100644 index 0000000..1d773f1 --- /dev/null +++ b/Opcode/OPC_AABBCollider.h @@ -0,0 +1,97 @@ +///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/*
+ * OPCODE - Optimized Collision Detection
+ * Copyright (C) 2001 Pierre Terdiman
+ * Homepage: http://www.codercorner.com/Opcode.htm
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ * Contains code for an AABB collider.
+ * \file OPC_AABBCollider.h
+ * \author Pierre Terdiman
+ * \date January, 1st, 2002
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Include Guard
+#ifndef __OPC_AABBCOLLIDER_H__
+#define __OPC_AABBCOLLIDER_H__
+
+ struct OPCODE_API AABBCache : VolumeCache
+ {
+ AABBCache() : FatCoeff(1.1f)
+ {
+ FatBox.mCenter.Zero();
+ FatBox.mExtents.Zero();
+ }
+
+ // Cached faces signature
+ CollisionAABB FatBox; //!< Box used when performing the query resulting in cached faces
+ // User settings
+ float FatCoeff; //!< mRadius2 multiplier used to create a fat sphere
+ };
+
+ class OPCODE_API AABBCollider : public VolumeCollider
+ {
+ public:
+ // Constructor / Destructor
+ AABBCollider();
+ virtual ~AABBCollider();
+
+ ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ /**
+ * Generic collision query for generic OPCODE models. After the call, access the results:
+ * - with GetContactStatus()
+ * - with GetNbTouchedPrimitives()
+ * - with GetTouchedPrimitives()
+ *
+ * \param cache [in/out] a box cache
+ * \param box [in] collision AABB in world space
+ * \param model [in] Opcode model to collide with
+ * \return true if success
+ * \warning SCALE NOT SUPPORTED. The matrices must contain rotation & translation parts only.
+ */
+ ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ bool Collide(AABBCache& cache, const CollisionAABB& box, const Model& model);
+ //
+ bool Collide(AABBCache& cache, const CollisionAABB& box, const AABBTree* tree);
+ protected:
+ CollisionAABB mBox; //!< Query box in (center, extents) form
+ IcePoint mMin; //!< Query box min IcePoint
+ IcePoint mMax; //!< Query box max IcePoint
+ // Leaf description
+ IcePoint mLeafVerts[3]; //!< Triangle vertices
+ // Internal methods
+ void _Collide(const AABBCollisionNode* node);
+ void _Collide(const AABBNoLeafNode* node);
+ void _Collide(const AABBQuantizedNode* node);
+ void _Collide(const AABBQuantizedNoLeafNode* node);
+ void _Collide(const AABBTreeNode* node);
+ void _CollideNoPrimitiveTest(const AABBCollisionNode* node);
+ void _CollideNoPrimitiveTest(const AABBNoLeafNode* node);
+ void _CollideNoPrimitiveTest(const AABBQuantizedNode* node);
+ void _CollideNoPrimitiveTest(const AABBQuantizedNoLeafNode* node);
+ // Overlap tests
+ inline_ BOOL AABBContainsBox(const IcePoint& bc, const IcePoint& be);
+ inline_ BOOL AABBAABBOverlap(const IcePoint& b, const IcePoint& Pb);
+ inline_ BOOL TriBoxOverlap();
+ // Init methods
+ BOOL InitQuery(AABBCache& cache, const CollisionAABB& box);
+ };
+
+ class OPCODE_API HybridAABBCollider : public AABBCollider
+ {
+ public:
+ // Constructor / Destructor
+ HybridAABBCollider();
+ virtual ~HybridAABBCollider();
+
+ bool Collide(AABBCache& cache, const CollisionAABB& box, const HybridModel& model);
+ protected:
+ Container mTouchedBoxes;
+ };
+
+#endif // __OPC_AABBCOLLIDER_H__
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