add a few collision examples to test a C API with various back-ends

2015-10-17 13:44:00 -07:00
parent bc09125095
commit 3d3830962a
10 changed files with 709 additions and 4 deletions
--- a/examples/Collision/CollisionSdkC_Api.h
+++ b/examples/Collision/CollisionSdkC_Api.h
@@ -0,0 +1,101 @@
+#ifndef LW_COLLISION_C_API_H
+#define LW_COLLISION_C_API_H
+
+
+#define PL_DECLARE_HANDLE(name) typedef struct name##__ { int unused; } *name
+
+#ifdef BT_USE_DOUBLE_PRECISION
+typedef double  plReal;
+#else
+typedef float   plReal;
+#endif
+
+typedef plReal  plVector3[3];
+typedef plReal  plQuaternion[4];
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	
+	
+	
+	/**     Particular collision SDK (C-API) */
+	PL_DECLARE_HANDLE(plCollisionSdkHandle);
+	
+	/**     Collision world, belonging to some collision SDK (C-API)*/
+	PL_DECLARE_HANDLE(plCollisionWorldHandle);
+	
+	/** Collision object that can be part of a collision World (C-API)*/
+	PL_DECLARE_HANDLE(plCollisionObjectHandle);
+	
+	/**     Collision Shape/Geometry, property of a collision object (C-API)*/
+	PL_DECLARE_HANDLE(plCollisionShapeHandle);
+
+	/* Collision SDK */
+	
+	extern plCollisionSdkHandle plCreateBullet2CollisionSdk();
+//	extern plCollisionSdkHandle plCreateRealTimeBullet3CollisionSdk();
+//	extern plCollisionSdkHandle plCreateCustomCollisionSdk();
+	
+	extern void plDeleteCollisionSdk(plCollisionSdkHandle collisionSdkHandle);
+	
+	/* Collision World */
+	
+	extern  plCollisionWorldHandle plCreateCollisionWorld(plCollisionSdkHandle collisionSdkHandle);
+	extern  void           plDeleteCollisionWorld(plCollisionSdkHandle sdkHandle, plCollisionWorldHandle world);
+	
+	
+	extern  void plAddCollisionObject(plCollisionSdkHandle sdkHandle, plCollisionWorldHandle world, plCollisionObjectHandle object);
+	extern  void plRemoveCollisionObject(plCollisionSdkHandle sdkHandle, plCollisionWorldHandle world, plCollisionObjectHandle object);
+	
+	
+	/* Collision Object  */
+	
+	extern  plCollisionObjectHandle plCreateCollisionObject(  plCollisionSdkHandle sdkHandle,  void* user_data,  plCollisionShapeHandle cshape );
+	extern  void plDeleteCollisionObject(plCollisionSdkHandle sdkHandle, plCollisionObjectHandle body);
+	
+	
+	/* Collision Shape definition */
+	
+	extern  plCollisionShapeHandle plCreateSphereShape(plCollisionSdkHandle sdk, plReal radius);
+	extern  plCollisionShapeHandle plNewCapsuleShape(plCollisionSdkHandle sdk, plReal radius, plReal height);
+	extern  plCollisionShapeHandle plNewPlaneShape(plCollisionSdkHandle sdk, plReal planeNormalX, 
+												   plReal planeNormalY, 
+												   plReal planeNormalZ, 
+												   plReal planeConstant);
+	extern  plCollisionShapeHandle plNewCompoundShape(plCollisionSdkHandle sdk);
+	extern  void    plAddChildShape(plCollisionSdkHandle sdk, plCollisionShapeHandle compoundShape,plCollisionShapeHandle childShape, plVector3 childPos,plQuaternion childOrn);
+	
+	extern  void plDeleteShape(plCollisionSdkHandle collisionSdkHandle, plCollisionShapeHandle shape);
+	
+	
+	
+	/* Contact Results */
+	
+	struct lwContactPoint
+	{
+		plVector3 m_ptOnAWorld;
+		plVector3 m_ptOnBWorld;
+		plVector3 m_normalOnB;
+		plReal  m_distance;
+	};
+	
+	/* Collision Filtering */
+	typedef void(*plNearCallback)(plCollisionSdkHandle sdk, void* userData, plCollisionObjectHandle objA, plCollisionObjectHandle objB);
+	
+	
+	/* Collision Queries */
+	extern int plCollide(plCollisionSdkHandle sdk, plCollisionObjectHandle colA, plCollisionObjectHandle colB, 
+						 lwContactPoint* pointsOut, int pointCapacity);
+	
+	extern void plWorldCollide(plCollisionWorldHandle world,
+							   plNearCallback filter, void* userData);
+	
+	
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif //LW_COLLISION_C_API_H
+