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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