Go语言调用-Physx物理引擎

栏目: Go · 发布时间: 6年前

内容简介:实例:package gophysx/*

实例:

package gophysx

/*

cgo LDFLAGS: -L./ -lPhysxWrapGo

include "PhysxWrapGo.h"

include "stdlib.h"

*/

import "C"

import (

"errors"

"unsafe"

)

var bInitSDK int

func init() {

bInitSDK = int(C.InitPhysxSDK())

if bInitSDK == 0 {

panic("[FATAL] CANT INIT PHYSX SDK!")

}

}

func ReleasePhysxSDK() {

C.ReleasePhysxSDK()

}

var ErrNeedInitSDK = errors.New("physx sdk is not init.")

var ErrCreateSceneFail = errors.New("create scene fail.")

type PxScene struct {

c unsafe.Pointer

}

func NewScene(path string) (*PxScene, error) {

spath := C.CString(path)

defer C.free(unsafe.Pointer(spath))

if bInitSDK == 0 {

return nil, ErrNeedInitSDK

}

this := &PxScene{}

this.c = C.CreateScene(spath)

if this.c == nil {

return nil, ErrCreateSceneFail

}

return this, nil

}

func (this *PxScene) Release() {

if this.c != nil {

C.DestroyScene(this.c)

this.c = nil

}

}

func (this *PxScene) Update(elapsedTime float32) {

if this.c != nil {

C.UpdateScene(this.c, C.float(elapsedTime))

}

}

func (this *PxScene) CreatePlane(yAxis float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreatePlane(this.c, C.float(yAxis)))

}

return

}

func (this *PxScene) CreateBoxDynamic(pos Vector3, halfExtents Vector3) (id uint64) {

if this.c != nil {

id = uint64(C.CreateBoxDynamic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(halfExtents.X), C.float(halfExtents.Y), C.float(halfExtents.Z)))

}

return

}

func (this *PxScene) CreateBoxKinematic(pos Vector3, halfExtents Vector3) (id uint64) {

if this.c != nil {

id = uint64(C.CreateBoxKinematic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(halfExtents.X), C.float(halfExtents.Y), C.float(halfExtents.Z)))

}

return

}

func (this *PxScene) CreateBoxStatic(pos Vector3, halfExtents Vector3) (id uint64) {

if this.c != nil {

id = uint64(C.CreateBoxStatic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(halfExtents.X), C.float(halfExtents.Y), C.float(halfExtents.Z)))

}

return

}

func (this *PxScene) CreateSphereDynamic(pos Vector3, radius float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreateSphereDynamic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(radius)))

}

return

}

func (this *PxScene) CreateSphereKinematic(pos Vector3, radius float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreateSphereKinematic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(radius)))

}

return

}

func (this *PxScene) CreateSphereStatic(pos Vector3, radius float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreateSphereStatic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(radius)))

}

return

}

func (this *PxScene) CreateCapsuleDynamic(pos Vector3, radius, halfHeight float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreateCapsuleDynamic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(radius), C.float(halfHeight)))

}

return

}

func (this *PxScene) CreateCapsuleKinematic(pos Vector3, radius, halfHeight float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreateCapsuleKinematic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(radius), C.float(halfHeight)))

}

return

}

func (this *PxScene) CreateCapsuleStatic(pos Vector3, radius, halfHeight float32) (id uint64) {

if this.c != nil {

id = uint64(C.CreateCapsuleStatic(this.c, C.float(pos.X), C.float(pos.Y), C.float(pos.Z), C.float(radius), C.float(halfHeight)))

}

return

}

func (this *PxScene) RemoveActor(id uint64) {

if this.c != nil {

C.RemoveActor(this.c, C.ulonglong(id))

}

}

func (this *PxScene) SetLinearVelocity(id uint64, velocity Vector3) {

if this.c != nil {

C.SetLinearVelocity(this.c, C.ulonglong(id), C.float(velocity.X), C.float(velocity.Y), C.float(velocity.Z))

}

}

func (this *PxScene) AddForce(id uint64, force Vector3) {

if this.c != nil {

C.AddForce(this.c, C.ulonglong(id), C.float(force.X), C.float(force.Y), C.float(force.Z))

}

}

func (this *PxScene) ClearForce(id uint64) {

if this.c != nil {

C.ClearForce(this.c, C.ulonglong(id))

}

}

func (this *PxScene) GetGlobalPostion(id uint64) (outPostionX, outPostionY, outPostionZ float32) {

if this.c != nil {

C.GetGlobalPostion(this.c, C.ulonglong(id), unsafe.Pointer(&outPostionX), unsafe.Pointer(&outPostionY), unsafe.Pointer(&outPostionZ))

}

return

}

func (this *PxScene) GetGlobalRotate(id uint64) (outRotateX, outRotateY, outRotateZ, outRotateW float32) {

if this.c != nil {

C.GetGlobalRotate(this.c, C.ulonglong(id), unsafe.Pointer(&outRotateX), unsafe.Pointer(&outRotateY), unsafe.Pointer(&outRotateZ), unsafe.Pointer(&outRotateW))

}

return

}

func (this *PxScene) SetGlobalPostion(id uint64, pos Vector3) {

if this.c != nil {

C.SetGlobalPostion(this.c, C.ulonglong(id), C.float(pos.X), C.float(pos.Y), C.float(pos.Z))

}

}

func (this *PxScene) SetGlobalRotate(id uint64, rotate Quat) {

if this.c != nil {

C.SetGlobalRotate(this.c, C.ulonglong(id), C.float(rotate.X), C.float(rotate.Y), C.float(rotate.Z), C.float(rotate.W))

}

}

func (this *PxScene) IsStaticObj(id uint64) (ok bool) {

if this.c != nil {

ok = (C.IsStaticObj(this.c, C.ulonglong(id)) != 0)

}

return

}

func (this *PxScene) IsDynamicObj(id uint64) (ok bool) {

if this.c != nil {

ok = (C.IsDynamicObj(this.c, C.ulonglong(id)) != 0)

}

return

}

func (this *PxScene) SetCurrentMaterial(staticFriction, dynamicFriction, restitution float32) {

if this.c != nil {

C.SetCurrentMaterial(this.c, C.float(staticFriction), C.float(dynamicFriction), C.float(restitution))

}

}

func (this *PxScene) SetCurrentAngularDamping(value float32) {

if this.c != nil {

C.SetCurrentAngularDamping(this.c, C.float(value))

}

}

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