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114 lines
4.0 KiB
114 lines
4.0 KiB
/****************************************************************************
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Copyright (c) 2020-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "physics/physx/shapes/PhysXTrimesh.h"
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#include "physics/physx/PhysXUtils.h"
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#include "physics/physx/PhysXWorld.h"
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#include "physics/physx/shapes/PhysXShape.h"
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namespace cc {
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namespace physics {
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PhysXTrimesh::PhysXTrimesh() : _mMeshHandle(0),
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_mConvex(false),
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_mIsTrigger(false){};
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void PhysXTrimesh::setMesh(uint32_t objectID) {
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uintptr_t handle = PhysXWorld::getInstance().getPXPtrWithPXObjectID(objectID);
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if (handle == 0) return;
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if (_mShape) {
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getSharedBody().removeShape(*this);
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eraseFromShapeMap();
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_mShape->release();
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_mShape = nullptr;
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}
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if (_mMeshHandle == handle) return;
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_mMeshHandle = handle;
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if (_mSharedBody && _mMeshHandle) {
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onComponentSet();
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insertToShapeMap();
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if (_mEnabled) getSharedBody().addShape(*this);
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setAsTrigger(_mIsTrigger);
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updateCenter();
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}
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}
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void PhysXTrimesh::useConvex(bool v) {
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_mConvex = v;
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}
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void PhysXTrimesh::onComponentSet() {
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if (_mMeshHandle) {
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const auto &mat = getDefaultMaterial();
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if (_mConvex) {
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physx::PxConvexMeshGeometry geom;
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geom.convexMesh = reinterpret_cast<physx::PxConvexMesh *>(_mMeshHandle);
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// geom.meshFlags = PxConvexMeshGeometryFlags::eTIGHT_BOUNDS;
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_mShape = PxGetPhysics().createShape(geom, mat, true);
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} else {
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physx::PxTriangleMeshGeometry geom;
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geom.triangleMesh = reinterpret_cast<physx::PxTriangleMesh *>(_mMeshHandle);
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// geom.meshFlags = PxMeshGeometryFlag::eDOUBLE_SIDED;
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_mShape = PxGetPhysics().createShape(geom, mat, true);
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}
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updateGeometry();
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}
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}
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void PhysXTrimesh::updateScale() {
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updateGeometry();
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updateCenter();
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}
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void PhysXTrimesh::updateGeometry() {
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static physx::PxMeshScale scale;
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scale.rotation = physx::PxQuat{physx::PxIdentity};
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auto *node = getSharedBody().getNode();
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node->updateWorldTransform();
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pxSetVec3Ext(scale.scale, node->getWorldScale());
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const auto &type = _mShape->getGeometryType();
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if (type == physx::PxGeometryType::eCONVEXMESH) {
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physx::PxConvexMeshGeometry geom;
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if (getShape().getConvexMeshGeometry(geom)) {
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geom.scale = scale;
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getShape().setGeometry(geom);
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}
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} else if (type == physx::PxGeometryType::eTRIANGLEMESH) {
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physx::PxTriangleMeshGeometry geom;
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if (getShape().getTriangleMeshGeometry(geom)) {
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geom.scale = scale;
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getShape().setGeometry(geom);
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}
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}
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}
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void PhysXTrimesh::setAsTrigger(bool v) {
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_mIsTrigger = v;
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if (_mShape) {
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PhysXShape::setAsTrigger(v);
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}
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}
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} // namespace physics
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} // namespace cc
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