Andrey2470T
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balance_wheel
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Added colorful orientation axises, shadowing and fixed different bugs/shortcomings

master
Andrey2470T 2021-03-23 21:26:57 +03:00
parent 8be6741d7a
commit 6590a35985
4 changed files with 39 additions and 59 deletions
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1
.gitignore vendored Normal file
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@ -0,0 +1 @@
balance_wheel

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balance_wheel
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3
custom_event_receiver.h
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@ -12,8 +12,7 @@ public:
virtual bool OnEvent(const SEvent& event)
{
if (camera_input)
camera_input->OnEvent(event);
if (event.EventType == EET_KEY_INPUT_EVENT &&
event.KeyInput.Key == KEY_ESCAPE &&
event.KeyInput.PressedDown

94
main.cpp
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@ -14,10 +14,10 @@ struct BalanceWheelParams
f32 friction_coef = 0.1f;
f32 string_friction_coef = 1.0f;
const f32 original_start_ang = 60.f; // in degrees
const core::vector3df pos = core::vector3df(0.f, 0.f, 0.f);
const core::vector3df scale = core::vector3df(0.5, 1.f, 1.f);
const f32 radius = 5.f;
const f32 original_vel = 0.f;
const core::vector3df pos = core::vector3df(0.0f, 0.0f, 0.0f);
const core::vector3df scale = core::vector3df(0.25f, 1.0f, 1.0f);
const f32 radius = 5.0f;
const f32 original_vel = 0.0f;
const f32 push_force = 500.0f;
};
@ -121,45 +121,6 @@ public:
core::vector3df mousePosDelta;
core::vector3df lastMousePos;
};
/*class AppEventReceiver : public IEventReceiver
{
public:
AppEventReceiver() : isEscPressed(false), isMouseWheelChanged(false), wheel(0.f), pressed_btn(nullptr)
{
}
virtual bool OnEvent(const SEvent& event) override
{
std::cout << (event.EventType == EET_GUI_EVENT) << std::endl;
if (event.EventType == EET_KEY_INPUT_EVENT &&
event.KeyInput.Key == KEY_ESCAPE &&
event.KeyInput.PressedDown
)
isEscPressed = true;
else if (event.EventType == EET_MOUSE_INPUT_EVENT)
if (event.MouseInput.Event == EMIE_MOUSE_WHEEL)
{
isMouseWheelChanged = true;
wheel = event.MouseInput.Wheel;
}
else if (event.EventType == EET_GUI_EVENT)
{
std::cout << "GUI Event Type: " << event.GUIEvent.EventType << std::endl;
if (event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED)
std::cout << "GUI Event Type: " << event.GUIEvent.EventType << std::endl;
pressed_btn = event.GUIEvent.Element;
if (pressed_btn == nullptr)
std::cout << "pressed_btn is nullptr" << std::endl;
}
return false;
}
bool isEscPressed;
bool isMouseWheelChanged;
f32 wheel;
gui::IGUIElement* pressed_btn;
};*/
void createExitDialogueWindow(gui::IGUIEnvironment* env)
{
@ -204,7 +165,7 @@ void createExitDialogueWindow(gui::IGUIEnvironment* env)
int main()
{
IrrlichtDevice* device = createDevice(video::EDT_OPENGL, core::dimension2du(1024, 768), 32, false);
IrrlichtDevice* device = createDevice(video::EDT_OPENGL, core::dimension2du(1024, 768), 32, false, true);
if (device == nullptr)
{
@ -239,9 +200,10 @@ int main()
return 1;
}
core::vector3df up_vec = (end*-1.0f).normalize();
bal_wheel->setPosition(beam.end);
bal_wheel->setScale(bw_params.scale);
bal_wheel->setRotation(core::vector3df(0.f, 0.f, bw_params.original_start_ang));
bal_wheel->setRotation(up_vec.getHorizontalAngle());
video::SMaterial material;
material.MaterialType = video::EMT_LIGHTMAP_LIGHTING;
@ -252,9 +214,6 @@ int main()
bal_wheel->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
bal_wheel->setMaterialTexture(0, vdrv->getTexture(fsys->getAbsolutePath("./textures/wood5.jpeg")));
bal_wheel->addShadowVolumeSceneNode();
smgr->setShadowColor(video::SColor(150,0,0,0));
scene::IMeshSceneNode* platform = smgr->addMeshSceneNode(
smgr->getMesh(fsys->getAbsolutePath("./models/stone_square.b3d")),
0, OBJECT_ID_PLATFORM
@ -269,10 +228,14 @@ int main()
platform->setPosition(core::vector3df(bw_params.pos.X, bw_params.pos.Y - bw_params.original_len - bw_params.radius - 3.f, 0.f));
platform->getMaterial(0) = material;
platform->setMaterialTexture(0, vdrv->getTexture(fsys->getAbsolutePath("./textures/stone2.jpg")));
platform->addShadowVolumeSceneNode();
scene::ILightSceneNode* light = smgr->addLightSceneNode(0, core::vector3df(bw_params.pos.X + 10.f, bw_params.pos.Y, 0.f), video::SColorf(255.f, 255.f, 255.f, 255.f), 50.f, OBJECT_ID_LIGHT);
scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0, core::vector3df(0.0f, -bw_params.original_len/2, bw_params.original_len), core::vector3df(0.0f, -bw_params.original_len, 0.0f), OBJECT_ID_CAMERA, true);
scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0, core::vector3df(0.0f, -bw_params.original_len/2, bw_params.original_len*2), core::vector3df(0.0f, -bw_params.original_len, 0.0f), OBJECT_ID_CAMERA, true);
//scene::ILightSceneNode* light2 = smgr->addLightSceneNode(0, core::vector3df(-50.0f, 0.0f, 0.0f), video::SColorf(0.0f,0.0f,0.0f,255.0f), 50.f, 5);
//scene::ILightSceneNode* light3 = smgr->addLightSceneNode(0, core::vector3df(50.0f, 0.0f, 0.0f), video::SColorf(0.0f,0.0f,0.0f,255.0f), 50.f, 6);
//scene::ILightSceneNode* light4 = smgr->addLightSceneNode(0, core::vector3df(0.0f, 0.0f, -50.0f), video::SColorf(0.0f,0.0f,0.0f,255.0f), 50.f, 7);
//scene::ILightSceneNode* light5 = smgr->addLightSceneNode(0, core::vector3df(0.0f, 0.0f, 50.0f), video::SColorf(0.0f,0.0f,0.0f,255.0f), 50.f, 8);
camera->bindTargetAndRotation(true);
if (light == nullptr)
@ -281,9 +244,13 @@ int main()
return 1;
}
smgr->addTextSceneNode(env->getBuiltInFont(), L"X", video::SColor(255, 255, 255, 255), 0, core::vector3df(55.0f, 0.0f, 0.0f), 5);
smgr->addTextSceneNode(env->getBuiltInFont(), L"Y", video::SColor(255, 255, 255, 255), 0, core::vector3df(0.0f, 55.0f, 0.0f), 6);
smgr->addTextSceneNode(env->getBuiltInFont(), L"Z", video::SColor(255, 255, 255, 255), 0, core::vector3df(0.0f, 0.0f, 55.0f), 7);
smgr->addTextSceneNode(env->getBuiltInFont(), L"X", video::SColor(255, 255, 255, 255), 0, core::vector3df(55.0f, 0.0f, 0.0f), 9);
smgr->addTextSceneNode(env->getBuiltInFont(), L"Y", video::SColor(255, 255, 255, 255), 0, core::vector3df(0.0f, 55.0f, 0.0f), 10);
smgr->addTextSceneNode(env->getBuiltInFont(), L"Z", video::SColor(255, 255, 255, 255), 0, core::vector3df(0.0f, 0.0f, 55.0f), 11);
bal_wheel->addShadowVolumeSceneNode(0, 12, true);
smgr->setShadowColor(video::SColor(150,0,0,0));
platform->addShadowVolumeSceneNode(0, 13, true);
core::vector3df cur_vel(bw_params.original_vel);
core::vector3df cur_rel_pos(end);
@ -412,7 +379,7 @@ int main()
f32 pos_len_sqr = cur_rel_pos.dotProduct(cur_rel_pos);
core::vector3df string_friction_force;
if (std::fabs(pos_len_sqr) > 0.01)
string_friction_force = -(cur_vel.dotProduct(cur_rel_pos))/(pos_len_sqr)*cur_rel_pos/std::sqrt(std::fabs(pos_len_sqr))*bw_params.string_friction_coef;
string_friction_force = -(cur_vel.dotProduct(cur_rel_pos))/(pos_len_sqr)*cur_rel_pos*bw_params.string_friction_coef;
core::vector3df res_force = core::vector3df(0.0f, bw_params.gravity*bw_params.mass, 0.0f) + elastic_force + friction_force + string_friction_force + cur_push_force;
cur_rel_pos += cur_vel*0.001;
@ -422,11 +389,24 @@ int main()
bal_wheel->setPosition(bw_params.pos + cur_rel_pos);
up_vec = (cur_rel_pos*-1.0f).normalize();
bal_wheel->setRotation(up_vec.getHorizontalAngle());
vdrv->beginScene(true, true, video::SColor(0, 0, 0, 255));
vdrv->setTransform(video::ETS_WORLD, core::IdentityMatrix);
vdrv->draw3DLine(core::vector3df(-50.0f, 0.0f, 0.0f), core::vector3df(50.0f, 0.0f, 0.0f), video::SColor(252, 0, 20, 255));
vdrv->draw3DLine(core::vector3df(0.0f, -50.0f, 0.0f), core::vector3df(0.0f, 50.0f, 0.0f), video::SColor(10, 0, 234, 255));
vdrv->draw3DLine(core::vector3df(0.0f, 0.0f, -50.0f), core::vector3df(0.0f, 0.0f, 50.0f), video::SColor(0, 217, 0, 255));
video::SMaterial line_material;
line_material.setFlag(video::EMF_NORMALIZE_NORMALS, true);
line_material.Thickness = 1.5;
line_material.Lighting = true;
line_material.MaterialType = video::EMT_LIGHTMAP_LIGHTING;
line_material.NormalizeNormals = true;
vdrv->setMaterial(line_material);
vdrv->draw3DLine(core::vector3df(-50.0f, 0.0f, 0.0f), core::vector3df(50.0f, 0.0f, 0.0f), video::SColor(202,0,16,255));//video::SColor(252, 0, 20, 255));
vdrv->draw3DLine(core::vector3df(0.0f, -50.0f, 0.0f), core::vector3df(0.0f, 50.0f, 0.0f), video::SColor(0,126,0,255));//video::SColor(10, 0, 234, 255));
vdrv->draw3DLine(core::vector3df(0.0f, 0.0f, -50.0f), core::vector3df(0.0f, 0.0f, 50.0f), video::SColor(0,0,146,255));//video::SColor(0, 217, 0, 255));
vdrv->draw3DLine(beam.start, bw_params.pos + cur_rel_pos, video::SColor(255, 255, 255, 255));
smgr->drawAll();
env->drawAll();