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Improved snap solver

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Uses ODE collision detection instead
This commit is contained in:
NT_x86
2023-03-29 21:00:15 +03:00
parent abb1f76c71
commit 998a22a43f
3 changed files with 14 additions and 33 deletions
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4
src/source/Application.cpp
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@@ -249,7 +249,7 @@ void Application::onInit() {
test3->setSize(Vector3(4,1,2)); test3->setSize(Vector3(4,1,2));
test3->setPosition(Vector3(4,3,0)); test3->setPosition(Vector3(4,3,0));
test3->setSurface(TOP, Enum::SurfaceType::Bumps); test3->setSurface(TOP, Enum::SurfaceType::Bumps);
JointsSvc->createSnap(test2, test3); //JointsSvc->createSnap(test2, test3);
test = makePart(); test = makePart();
@@ -265,7 +265,7 @@ void Application::onInit() {
test->setSize(Vector3(4,1,2)); test->setSize(Vector3(4,1,2));
test->setPosition(Vector3(1,4,0)); test->setPosition(Vector3(1,4,0));
test->setSurface(TOP, Enum::SurfaceType::Bumps); test->setSurface(TOP, Enum::SurfaceType::Bumps);
JointsSvc->createSnap(test, test3); //JointsSvc->createSnap(test, test3);
//JointsSvc->solvePartSnap(test3, test); //JointsSvc->solvePartSnap(test3, test);
test = makePart(); test = makePart();

39
src/source/DataModelV2/JointsService.cpp
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@@ -33,39 +33,20 @@ void JointsService::destroyPartSnap(PartInstance* Part)
} }
} }
void JointsService::solvePartSnap(PartInstance* Part, PartInstance* Part2) void JointsService::solvePartSnap(PartInstance* Part1, PartInstance* Part2)
{ {
float MoE = 0.05f; XplicitNgine* Phys = g_dataModel->getEngine();
float TopSurface = (Part->getPosition().y + Part->getSize().y / 2); float TopSurface = (Part1->getPosition().y + Part1->getSize().y / 2);
float RightRECT = (Part->getPosition().x + Part->getSize().x / 2) - MoE;
float LeftRECT = (Part->getPosition().x - Part->getSize().x / 2) + MoE;
float TopRECT = (Part->getPosition().z - Part->getSize().z / 2) + MoE;
float BottomRECT = (Part->getPosition().z + Part->getSize().z / 2) - MoE;
float BottomSurface2 = (Part2->getPosition().y - Part2->getSize().y / 2); float BottomSurface2 = (Part2->getPosition().y - Part2->getSize().y / 2);
float RightRECT2 = (Part2->getPosition().x + Part2->getSize().x / 2); const int N = 4;
float LeftRECT2 = (Part2->getPosition().x - Part2->getSize().x / 2);
float TopRECT2 = (Part2->getPosition().z - Part2->getSize().z / 2);
float BottomRECT2 = (Part2->getPosition().z + Part2->getSize().z / 2);
std::cout << "TopSurface: " << TopSurface << std::endl;
std::cout << "BottomSurface2: " << BottomSurface2 << std::endl;
if (TopSurface == BottomSurface2) if (TopSurface == BottomSurface2)
{ {
std::cout << "Same Y cordinate!!!" << std::endl; Phys->createBody(Part1);
//https://gamedev.stackexchange.com/questions/586/what-is-the-fastest-way-to-work-out-2d-bounding-box-intersection Phys->createBody(Part2);
bool Intersect = !(LeftRECT2 > RightRECT dContact contact[N];
|| RightRECT2 < LeftRECT int n = dCollide (Part1->physGeom[0],Part2->physGeom[0],N,&contact[0].geom,sizeof(dContact));
|| TopRECT2 > BottomRECT if (n > 0)
|| BottomRECT2 < TopRECT); createSnap(Part1, Part2);
if (Intersect){
std::cout << "Intersects!!!" << std::endl;
createSnap(Part, Part2);
}else{
std::cout << "Does not Intersect!!!" << std::endl;
}
}else{
std::cout << "Y cordinate does not match!!!" << std::endl;
} }
} }

4
src/source/XplicitNgine/XplicitNgine.cpp
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@@ -4,7 +4,6 @@
XplicitNgine::XplicitNgine() XplicitNgine::XplicitNgine()
{ {
physWorld = dWorldCreate(); physWorld = dWorldCreate();
physSpace = dHashSpaceCreate(0); physSpace = dHashSpaceCreate(0);
contactgroup = dJointGroupCreate(0); contactgroup = dJointGroupCreate(0);
@@ -159,7 +158,8 @@ void XplicitNgine::createBody(PartInstance* partInstance)
dGeomSetData(partInstance->physGeom[0], partInstance); dGeomSetData(partInstance->physGeom[0], partInstance);
dMass mass; dMass mass;
mass.setBox(sqrt(partSize.x*2), sqrt(partSize.y*2), sqrt(partSize.z*2), 0.7F); mass.setBox(sqrt(partSize.x*20), sqrt(partSize.y*20), sqrt(partSize.z*20), 0.01F);
//mass.setBox(sqrt(partSize.x*2), sqrt(partSize.y*2), sqrt(partSize.z*2), 0.7F);
dBodySetMass(partInstance->physBody, &mass); dBodySetMass(partInstance->physBody, &mass);
// Create rigid body // Create rigid body