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https://github.com/bloeys/physx-go.git
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a01e4b6bbd
almost all objects contain only one pointer inside, making them very small, so no point paying (de)allocation costs. This has also been done to physx-c
53 lines
2.1 KiB
C
Executable File
53 lines
2.1 KiB
C
Executable File
#ifndef CPxScene_H
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#define CPxScene_H
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#include "CPxPvdSceneClient.h"
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#include "CPxActor.h"
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#include "CPxVec3.h"
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#include "CPxShape.h"
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#include "CPxRigidActor.h"
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#include "CPxRaycastBuffer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct CPxScene
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{
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void* obj;
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void* scratchBuffer;
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CPxU32 scratchBufferSize;
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};
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CPxAPI CSTRUCT CPxPvdSceneClient CPxScene_getScenePvdClient(CSTRUCT CPxScene);
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CPxAPI void CPxScene_addActor(CSTRUCT CPxScene, CSTRUCT CPxActor actor);
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CPxAPI void CPxScene_simulate(CSTRUCT CPxScene, CPxReal elapsedTime);
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CPxAPI void CPxScene_collide(CSTRUCT CPxScene, CPxReal elapsedTime);
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CPxAPI bool CPxScene_fetchCollision(CSTRUCT CPxScene, bool block);
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CPxAPI void CPxScene_advance(CSTRUCT CPxScene);
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CPxAPI bool CPxScene_fetchResults(CSTRUCT CPxScene, bool block, CPxU32* errorState);
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//Does a scene raycast. Allocates memory for hitRet and then reads data into it. It is the callers responsibility to free.
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CPxAPI bool CPxScene_raycast(CSTRUCT CPxScene cs, CSTRUCT CPxVec3* origin, CSTRUCT CPxVec3* unitDir, CPxReal distance, CSTRUCT CPxRaycastBuffer** hitRet);
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//Does a scene raycast. 'hit' must be pre-allocated as NO new allocation will happen in the function.
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//hit->touches will be filled up to 'touchesToRead' and must also be pre-allocated. If the hit produces more touches than 'touchesToRead' then the additional touches will be ignored.
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CPxAPI bool CPxScene_raycastWithHitBuffer(CSTRUCT CPxScene cs, CSTRUCT CPxVec3* origin, CSTRUCT CPxVec3* unitDir, CPxReal distance, CSTRUCT CPxRaycastBuffer* hit, CPxU32 touchesToRead);
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/// <summary>
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/// Creates a scratch buffer thats a multiple of 16K to be used by the scene when running CPxScene_simulate.
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/// The buffer MUST be 16-byte aligned. If a buffer already exists then it is freed and a new one is allocated.
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/// If multiples passed are zero then any existing buffers are cleared
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/// </summary>
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/// <returns></returns>
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CPxAPI void CPxScene_setScratchBuffer(CSTRUCT CPxScene, CPxU32 multiplesOf16k);
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CPxAPI void CPxScene_release(CSTRUCT CPxScene);
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#ifdef __cplusplus
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}
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#endif
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#endif // !CPxScene_H
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